Flexible supporting device of measuring sensor for bearing test
By designing a flexible support device for the measuring sensor used in bearing testing, the problem of poor contact between the sensor and the bearing was solved, thus achieving reliable signal acquisition and a simple device.
Patent Information
- Application Number
- CN202520566242.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-28
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-03-28
AI Technical Summary
In bearing testing, the limited space between the measuring sensor and the bearing leads to poor contact and ineffective signal acquisition. Furthermore, existing devices are complex in structure and expensive.
Design a flexible support device for a measuring sensor used in bearing testing. The device employs a flexible support assembly and a clamping structure, and uses a pressure cap and screws to fix the sensor, ensuring good contact between the sensor and the bearing, and providing flexible adjustment.
It achieves good contact between the sensor and the bearing, ensuring signal acquisition while being simple in structure, low in cost, and easy to operate.
Smart Images
Figure CN223955143U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to bearing test technical field, concretely is a kind of flexible support device of measuring sensor for bearing test. BACKGROUND
[0002] In view of the problems that the identification of aviation bearing working condition elements is not comprehensive, and there is deviation between design requirements and actual use environment of bearing, it is necessary to carry out tester bearing boundary parameter comparison verification test to obtain the measured values of tester bearing working condition boundary parameters (outer ring deformation, oil film thickness, roller yaw, etc.); based on ultrasonic measurement, the double probes are arranged in parallel to measure the roller yaw, the two probes are fixed above the cylindrical roller bearing and arranged in parallel along the length direction of the roller, and a single probe is used to measure the outer ring deformation and oil film thickness of the ball bearing; three measuring sensors are arranged in parallel during test, but the space position of the tester is limited, and the measuring sensors and the bearing may not be in good contact to collect signals. SUMMARY
[0003] Based on the problems of the prior art, the purpose of the utility model is to provide a flexible support device for measuring sensors for bearing test.
[0004] The technical scheme adopted by the utility model is: a flexible support device for measuring sensors for bearing test, comprising a bearing seat, a probe fixing seat for positioning and installing multiple measuring sensors, and a gland for pressing the measuring sensors, the outer U-shaped surface of the lower end of the probe fixing seat is sleeved in the mounting hole of the bearing seat, the first mounting hole and the second mounting hole are provided on the end face of the probe fixing seat, the measuring sensors are respectively installed in the first mounting hole and the second mounting hole through the flexible support assembly, the probe fixing seat is fixed on the bearing seat through the locking piece, and the first pressing boss and the second pressing boss provided on the end face of the gland extend into the first mounting hole and the second mounting hole and press the flexible support assembly.
[0005] As a preferred scheme, the flexible support assembly is composed of a pressing sleeve, a sealing ring and an open washer, the sealing ring is arranged between the pressing sleeve and the open washer, and the pressing sleeve is arranged at one end close to the gland.
[0006] As a preferred scheme, the flexible support assembly is respectively provided with a cable for passing through the measuring sensor.
[0007] As a preferred scheme, the first mounting hole is a U-shaped hole, and the shapes of the pressing sleeve and the open washer installed in the U-shaped hole are matched with the U-shaped hole.
[0008] As a preferred scheme, the sealing ring is an O-shaped sealing ring.
[0009] As a preferred solution, the U-shaped opening gasket is provided with a flat surface to increase the contact area with the lower part of the O-ring.
[0010] As a preferred solution, the second mounting hole is a circular hole, and the shape of the compression sleeve and the opening gasket mounted in the circular hole is adapted to the circular hole.
[0011] As a preferred solution, the compression sleeve is provided with a groove on the side end surface facing the probe fixing seat for passing the cable of the measurement sensor.
[0012] As a preferred solution, the probe fixing seat is positioned with a small gap between the bearing seat and is fixed on the bearing seat by a screw.
[0013] The beneficial effects of the present application are:
[0014] The utility model provides a kind of flexible support device of measurement sensor for bearing test, with the characteristics of simple and compact structure, low cost, convenient operation.The device is optimized design, according to the size design of measurement sensor, with the characteristics of simple and compact structure, low cost, convenient operation;The device is designed with radial compression structure, axial positioning structure and flexible support structure, so that both good contact of measurement sensor and bearing can be guaranteed, and certain flexible adjustment between the two can be guaranteed. BRIEF DESCRIPTION OF DRAWINGS
[0015] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description, and obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained without creative labor on the basis of these drawings.
[0016] Figure 1 It is a schematic diagram of the overall structure of the present application;
[0017] Figure 2 It is Figure 1 It is a local enlarged schematic diagram of A in the middle;
[0018] Figure 3 It is a schematic diagram of probe fixing seat in the present application;
[0019] Figure 4 It is a schematic diagram of compression sleeve in the present application;
[0020] Figure 5 It is a schematic diagram of U-shaped compression sleeve in the present application.
[0021] Reference: 1, bearing seat, 2, probe fixing seat, 201, outer U-shaped surface, 202, first mounting hole, 203, second mounting hole, 204, screw hole a, 3, first open washer, 301, flat surface, 4, first compression sleeve, 401, outer circular surface, 402, groove a, 403, upper flat surface, 5, gland, 501, screw hole b, 502, first compression boss, 503, groove b, 504, second compression boss, 6, second compression sleeve, 7, sealing ring, 8, second open washer, 9, measurement sensor, 10, screw. DETAILED DESCRIPTION
[0022] In the following, the utility model will be described in detail through exemplary embodiments. However, it should be understood that the elements, structures and features in one embodiment can also be beneficially combined into other embodiments without further description.
[0023] It should be noted that: unless otherwise defined, the technical terms or scientific terms used in this document should be understood as the usual meaning understood by those skilled in the art to which the utility model belongs. The "one", "a" or "the" and similar words used in the utility model patent application description and claims do not represent quantity limitation, but indicate that there is at least one. The "including" or "containing" and similar words indicate that the elements or objects appearing before "including" or "containing" cover the elements or objects listed after "including" or "containing" and their equivalents, but do not exclude other elements or objects with the same function.
[0024] In order to more clearly describe the specific structural composition of a flexible support device for a bearing test measurement sensor, the accompanying drawings are combined Figures 1-5 The detailed description is as follows:
[0025] As shown in the figure, a flexible support device for a bearing test measurement sensor is mainly composed of a bearing seat 1, a probe fixing seat 2, a flexible support assembly, a gland 5 and a measurement sensor 9. The outer U-shaped surface 201 at the lower end of the probe fixing seat 2 is sleeved in the mounting hole of the bearing seat 1. The first mounting hole and the second mounting hole are provided on the end surface of the probe fixing seat 1. A plurality of measurement sensors 9 are positioned and installed through the first mounting hole 202 and the second mounting hole 203. The plurality of measurement sensors 9 are respectively installed in the first mounting hole 202 and the second mounting hole 203 through the flexible support assembly. The gland 5 fixes the probe fixing seat 2 on the bearing seat 1 and compresses the end part of the plurality of measurement sensors 9 through the screw 10, so as to ensure that the plurality of measurement sensors 9 are in good contact with the measured bearing. At the same time, the first compression boss 502 and the second compression boss 504 provided on the end surface of the gland 5 respectively extend into the first mounting hole 202 and the second mounting hole 203 and compress the flexible support assembly.
[0026] The device is used, and the installation position is 15 ° with the tester directly below, is located in the bearing load area, and the probe lead can be fixed on the bearing seat from the thermometer installation hole on the box.
[0027] Need to be explained: the flexible support assembly is composed of a compression sleeve, a sealing ring 7 and an open gasket, the sealing ring 7 is arranged between the compression sleeve and the open gasket, the compression sleeve is arranged at one end close to the gland and in contact with the compression boss thereon, and the side of the open gasket is in contact with the stepped surface of the measurement sensor; specifically in this embodiment, as shown in the figure, the first mounting hole 202 is a U-shaped hole, the first compression sleeve 4 is a U-shaped compression sleeve, the first open gasket 3 is a U-shaped open gasket, and the positions of two parallelly installed measurement sensors 9 are positioned by the cooperation of the U-shaped compression sleeve and the U-shaped open gasket, and the upper plane 403 of the first compression sleeve 4 is in contact with the first compression boss 502; the second mounting hole 203 is a circular hole, the second compression sleeve 6 is a circular compression sleeve, the second open gasket 8 is a circular open gasket, and the position of one measurement sensor 9 is positioned by the cooperation of the circular compression sleeve and the circular open gasket, the outer arc surface 401 of the first compression sleeve 4 and the outer circular surface of the second compression sleeve 6 are respectively matched with the first mounting hole 202 and the second mounting hole 204 of the probe fixing base 2 in a small gap, and the positions of the three measurement sensors 9 are positioned together; two 1.9mm wide grooves a 402 are arranged on the first compression sleeve 4 for passing through the cable on the measurement sensor 9, and grooves are also arranged on the first open gasket 3, the second compression sleeve 6 and the second open gasket 8, which have the same effect as the groove a 402.
[0028] In this embodiment, the sealing ring 7 adopts an O-shaped sealing ring, which provides a certain flexible support for the device, and the compression amount of the O-shaped sealing ring is controlled within 0.3-0.4mm, so that the compression state of the measurement sensor can be adjusted; the U-shaped open gasket is provided with a plane to increase the contact area with the lower part of the O-shaped sealing ring.
[0029] In this embodiment, the side end face of the gland 5 facing the probe fixing base 2 is provided with a groove b 503 for passing through the cable on the measurement sensor.
[0030] In this embodiment, the probe fixing base 2 and the bearing seat 1 are positioned in a small gap, the screw hole b 501 is arranged on the gland 5, the screw hole a 204 is arranged on the probe fixing base 2, the screw 10 is sequentially screwed through the screw hole b 501, the screw hole a 204, and is tightly screwed on the bearing seat, and the compression force is applied to the measurement sensor 9 to ensure good contact with the bearing.
[0031] The part not described in detail in this embodiment is prior art.
[0032] It should be noted that although the utility model has been described through the above embodiments, the utility model can also have other various embodiments. Without departing from the spirit and scope of the utility model, those skilled in the art can obviously make various corresponding changes and modifications to the utility model, but these changes and modifications should all belong to the scope protected by the utility model claims and equivalents thereof.
Claims
1. A flexible support arrangement for a measuring sensor for bearing testing comprising a bearing stand, characterized in that: The probe fixing base for positioning and installing multiple measuring sensors is sleeved with an outer U-shaped surface at the lower end in the mounting hole of the bearing seat, the first and second mounting holes are provided on the end surface of the probe fixing base, the measuring sensors are respectively installed in the first and second mounting holes through the flexible support assemblies, the probe fixing base is fixed on the bearing seat through the locking member, the first and second pressing bosses provided on the end surface of the pressing cap extend into the first and second mounting holes and press the flexible support assemblies.
2. A flexible support arrangement for a measuring transducer for bearing testing according to claim 1, characterized in that: The flexible support assembly is composed of a pressing sleeve, a sealing ring and an open washer, the sealing ring is arranged between the pressing sleeve and the open washer, and the pressing sleeve is arranged at one end close to the pressing cap.
3. A flexible support arrangement for a measuring transducer for bearing testing according to claim 1 or 2, characterised in that: The flexible support assembly is respectively provided with a cable for passing through the measuring sensor.
4. A flexible support arrangement for a measuring transducer for bearing testing according to claim 2, characterized in that: The first mounting hole is a U-shaped hole, and the shapes of the pressing sleeve and the open washer installed in the U-shaped hole are matched with the U-shaped hole.
5. A flexible support arrangement for a measuring transducer for bearing testing according to claim 4, characterised in that: The sealing ring is an O-shaped sealing ring.
6. A flexible support arrangement for a measuring transducer for bearing testing according to claim 5, characterized in that: A flat surface is arranged on the U-shaped open washer to increase the contact area with the lower part of the O-shaped sealing ring.
7. A flexible support arrangement for a measuring transducer for bearing testing according to claim 2, characterized in that: The second mounting hole is a circular hole, and the shapes of the pressing sleeve and the open washer installed in the circular hole are matched with the circular hole.
8. A flexible support arrangement for a measuring transducer for bearing testing according to claim 1, characterized in that: A groove for passing through the cable on the measuring sensor is arranged on the side end surface of the pressing cap facing the probe fixing base.
9. A flexible support arrangement for a measuring transducer for bearing testing according to claim 1, characterized in that: The probe fixing base and the bearing seat are positioned with a small gap and are fixed on the bearing seat through a screw.