Device for detecting radial runout of inner and outer rings of self-aligning roller bearing
By using a T-slot and V-block structure with a specific included angle in the radial runout detection device for the inner and outer rings of self-aligning roller bearings, the problem of inaccurate detection caused by the wobble of the inner and outer rings is solved, achieving efficient and accurate radial runout measurement, which is suitable for batch testing of self-aligning roller bearings.
Patent Information
- Application Number
- CN202520113727.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-17
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2035-01-17
AI Technical Summary
In existing technologies, the inner and outer rings of self-aligning roller bearings are prone to wobble during radial runout testing, resulting in inaccurate and time-consuming testing, which makes it difficult to meet high-precision requirements.
The detection device employs a T-groove and V-block structure with a specific included angle. The inner and outer rings are fixed by a spring bolt clamping mechanism to ensure that the inner and outer rings do not wobble during the detection process. A dial indicator is used to detect the radial runout of the inner and outer rings.
It improves the accuracy and efficiency of radial runout measurement of the inner and outer rings of self-aligning roller bearings, meets high precision requirements, simplifies the operation process, and is suitable for mass production.
Smart Images
Figure CN223678360U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to bearing detection technical field, mainly relates to a kind of inner and outer ring radial runout detection device of self-aligning roller bearing. BACKGROUND
[0002] Self-aligning roller bearing has good self-aligning performance, and the self-aligning roller bearing used in some elevator, traction machine and other industries requires P5 grade precision, and the precision self-aligning roller bearing is suitable for high-speed and high-load working conditions;In the case of high-speed rotation of self-aligning roller bearing, excessive radial runout of inner and outer rings will cause vibration, which directly affects the service life of the bearing, so it is necessary to control the radial runout of the inner and outer rings of the precision self-aligning roller bearing.
[0003] At present, the detection of the radial runout of the inner and outer rings of the self-aligning roller bearing is on a 45° inclined platform, the inner ring is fixed, the outer ring is rotated, the radial runout of the outer ring is detected, and vice versa, the inner ring is fixed, the outer ring is rotated, and the radial runout of the inner ring is detected. When detecting the radial runout of the inner and outer rings, the inner and outer rings are rotated, and due to the light weight of the inner and outer rings and the self-aligning property of the self-aligning roller bearing, the inner and outer rings are prone to shaking during rotation, so the radial runout value of the inner and outer rings cannot be accurately measured. The detection time is long, and the detection work intensity is large. SUMMARY
[0004] The utility model aims at providing a kind of inner and outer ring radial runout detection device of self-aligning roller bearing, so that it can avoid the shaking of the inner and outer rings during the detection of the runout of the inner and outer rings of the self-aligning roller bearing, and improve the detection efficiency.
[0005] In order to achieve the above-mentioned purpose of the invention, the utility model adopts the following technical solutions:
[0006] A kind of inner and outer ring radial runout detection device of self-aligning roller bearing, the platform of the runout detection device has vertical T slot, right side T slot and left side T slot;The angle between the vertical T slot and the right side T slot is 30°, and the angle between the vertical T slot and the left side T slot is 40°. Angle;The left side T slot is provided with a dial gauge one for detecting the inner diameter runout of the inner ring;The right side T slot is provided with a dial gauge two for detecting the outer diameter runout of the outer ring;The runout detection device is also provided with inner ring positioning V block and outer ring positioning V block;The inner ring positioning V block and the outer ring positioning V block are provided with fixed bolt hole and spring bolt pressing mechanism;The inner ring positioning V block is fixed with the inner diameter of the inner ring of the self-aligning roller bearing and the platform, and the outer ring positioning V block is pressed on the outer ring of the self-aligning roller bearing by the spring bolt pressing mechanism, or the outer ring positioning V block is fixed with the outer diameter of the outer ring of the self-aligning roller bearing and the platform, and the inner ring positioning V block is pressed on the inner ring of the self-aligning roller bearing by the spring bolt pressing mechanism.
[0007] The spring bolt pressing mechanism is composed of a fixed nut, a bolt and a spring, and the pre-tightening of the spring can be adjusted by rotating the bolt.
[0008] The included angle of the outer ring positioning V-shaped block is 120°.
[0009] The included angle of the inner ring positioning V-shaped block is 60°.
[0010] The utility model discloses a kind of inner and outer ring radial runout detection devices of self-aligning roller bearing, adopt above-mentioned technical scheme, by pressing positioning locking mechanism fixed self-aligning roller bearing inner and outer ring, make in the process of detecting inner and outer ring radial runout, inner and outer ring do not produce wobble, can truly reflect the numerical value of self-aligning roller bearing inner and outer ring radial runout;By using the device to detect self-aligning roller bearing inner and outer ring radial runout, the accuracy of self-aligning roller bearing inner and outer ring radial runout measurement and detection work efficiency can be improved, and operation method is convenient, also be conducive to batch control self-aligning roller bearing inner and outer ring radial runout measurement, detection is fast and accurate;In the detection process, it is convenient to operate, by this detection device, the radial runout of self-aligning roller bearing inner and outer ring can be directly realized, effectively improve the detection efficiency of self-aligning roller bearing inner and outer ring radial runout, and the service life of bearing can be improved. BRIEF DESCRIPTION OF DRAWINGS
[0011] Figure 1 It is the structural schematic view of the detection device of self-aligning roller bearing inner and outer ring radial runout.
[0012] In the drawing: 1, platform, 2, dial gauge one, 3, outer ring bolt pressing mechanism, 4, outer ring positioning V-shaped block, 5, self-aligning roller bearing, 6, inner ring positioning V-shaped block, 7, dial gauge two, 8, inner ring bolt pressing mechanism, 9, vertical T-shaped groove, 10, right T-shaped groove, 11, left T-shaped groove. DETAILED DESCRIPTION
[0013] The utility model will be further described in connection with the drawings and specific embodiments:
[0014] As Figure 1As shown, a kind of inner and outer ring radial runout detection device of self-aligning roller bearing, the platform of jump detection device has vertical T-shaped slot 9, right T-shaped slot 10 and left T-shaped slot 11;The included angle between the vertical T-shaped slot 9 and right T-shaped slot 10 is 30 °, and the included angle between the vertical T-shaped slot and left T-shaped slot 11 is 40 ° angle;The left T-shaped slot 11 is equipped with a dial gauge one 2 for detecting the inner diameter runout of inner ring;The right T-shaped slot 10 is equipped with a dial gauge two 7 for detecting the outer diameter runout of outer ring;The jump detection device is further provided with inner ring positioning V-shaped block 6 and outer ring positioning V-shaped block 4;The included angle of the outer ring positioning V-shaped block is 120 °;The included angle of the inner ring positioning V-shaped block is 60 °;The inner ring positioning V-shaped block 6, outer ring positioning V-shaped block 7 all have fixed bolt hole and spring bolt compression mechanism.
[0015] Adjustment of detection device: first, use bolt to connect and compress inner ring positioning V-shaped block 6 with platform 1, place the self-aligning roller bearing 5 to be detected on platform 1, the inner diameter of the inner ring of self-aligning roller bearing 5 is fixed on inner ring positioning V-shaped block 6, then the outer ring spring bolt compression mechanism 3 is used to press outer ring positioning V-shaped block 2 on the outer ring of self-aligning roller bearing 5, dial gauge two 7 detects the outer diameter of the outer ring of self-aligning roller bearing 5, rotates the outer ring of self-aligning roller bearing 5, and the change of dial gauge two 7 is the radial runout value of the outer ring of self-aligning roller bearing 5. Conversely, use bolt to connect and compress outer ring positioning V-shaped block 2 with platform 1, loosen the compression bolt of inner ring positioning V-shaped block 6, and press inner ring positioning V-shaped block 6 on the inner ring of self-aligning roller bearing 5 through inner ring spring bolt compression mechanism 8, dial gauge one 2 detects the inner diameter of the inner ring of self-aligning roller bearing 5 through conversion mechanism, rotates the inner ring of self-aligning roller bearing 5, and the change of dial gauge one 2 is the radial runout value of the inner ring of self-aligning roller bearing 5.
Claims
1. A device for detecting radial runout of inner and outer rings of a spherical roller bearing, characterized in that: The platform of the runout detection device is provided with a vertical T-shaped groove, a right T-shaped groove and a left T-shaped groove; the angle between the vertical T-shaped groove and the right T-shaped groove is 30°, and the angle between the vertical T-shaped groove and the left T-shaped groove is 40°; a dial gauge for detecting the inner diameter runout of the inner ring is installed in the left T-shaped groove; a dial gauge for detecting the outer diameter runout of the outer ring is installed in the right T-shaped groove; the runout detection device is further provided with an inner ring positioning V-shaped block and an outer ring positioning V-shaped block; the inner ring positioning V-shaped block and the outer ring positioning V-shaped block are both provided with a fixing bolt hole and a spring bolt pressing mechanism; the inner ring positioning V-shaped block is fixed with the inner diameter of the inner ring of the self-aligning roller bearing and the platform, and the outer ring positioning V-shaped block is pressed against the outer ring of the self-aligning roller bearing through the spring bolt pressing mechanism, or the outer ring positioning V-shaped block is fixed with the outer diameter of the outer ring of the self-aligning roller bearing and the platform, and the inner ring positioning V-shaped block is pressed against the inner ring of the self-aligning roller bearing through the spring bolt pressing mechanism.
2. The device for detecting radial runout of inner and outer rings of a spherical roller bearing according to claim 1, wherein: The angle of the outer ring positioning V-shaped block is 120°.
3. The device for detecting radial runout of inner and outer rings of a spherical roller bearing according to claim 1, wherein: The angle of the inner ring positioning V-shaped block is 60°.