CN215448460U - Roller bearing life testing device - Google Patents
Roller bearing life testing device Download PDFInfo
- Publication number
- CN215448460U CN215448460U CN202122243433.8U CN202122243433U CN215448460U CN 215448460 U CN215448460 U CN 215448460U CN 202122243433 U CN202122243433 U CN 202122243433U CN 215448460 U CN215448460 U CN 215448460U
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- roller bearing
- pressure sensor
- life testing
- testing device
- driving motor
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- 238000012360 testing method Methods 0.000 title claims abstract description 53
- 230000000903 blocking effect Effects 0.000 claims description 2
- 238000005096 rolling process Methods 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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Abstract
The utility model discloses a roller bearing service life testing device, which comprises a base, a rotary driving motor and a testing assembly, wherein one side edge of the base is vertically provided with a mounting plate, the rotary driving motor is fixed on the side wall of the mounting plate, the output end of the testing component is provided with a disc, the testing component comprises a supporting part which is vertically arranged on the top of the base and is connected with the top of the supporting part, a bearing plate with a sliding groove at the side edge, a pressure sensor arranged on the top wall of the sliding groove, an elastic piece with one end part jointed with the pressure sensor and a movable block arranged in the sliding groove and capable of sliding along the inner wall of the sliding groove, wherein the top part of the movable block is connected with the other end part of the elastic piece, and the side edge of the movable block is vertically provided with a supporting shaft which is positioned right above the disc and is used for installing a roller bearing, the roller bearing service life testing device can detect the vibration service life of the roller bearing.
Description
Technical Field
The utility model relates to the technical field of service life testing, in particular to a service life testing device for a roller bearing.
Background
The roller bearing is an important mechanical basic part which is widely applied, the quality of the roller bearing directly influences the performance of a main machine, the service life of the bearing is comprehensively reflected by the quality of the bearing, the vibration service life of the roller bearing is most important in all service life detection of the roller bearing, and the final service time of the roller bearing is determined, so that the vibration service life of the roller bearing needs to be tested after the roller bearing is produced.
SUMMERY OF THE UTILITY MODEL
This section is for the purpose of summarizing some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the abstract of the specification and the title of the application to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplifications or omissions are not intended to limit the scope of the utility model.
Accordingly, an object of the present invention is to provide a roller bearing life testing device capable of detecting the vibration life of a roller bearing.
To solve the above technical problem, according to an aspect of the present invention, the present invention provides the following technical solutions:
a roller bearing life testing device, comprising:
a mounting plate is vertically arranged on one side of the base;
the rotary driving motor is fixed on the side wall of the mounting plate, and a disc is arranged at the output end of the rotary driving motor;
the testing assembly comprises a supporting part which is vertically arranged on the top of the base, a bearing plate which is connected with the top of the supporting part and is provided with a sliding groove on the side edge, a pressure sensor which is arranged on the top wall of the sliding groove, an elastic part of which one end part is attached to the pressure sensor, and a movable block which is arranged in the sliding groove and can slide along the inner wall of the sliding groove;
the top of the movable block is connected with the other end of the elastic piece, and a supporting shaft which is positioned right above the disc and used for mounting a roller bearing is vertically arranged on the side edge of the movable block;
the pressure sensor monitors the pressure generated by the elastic piece in real time and transmits the pressure to the industrial personal computer, the industrial personal computer records the number of rotating circles of the rotary driving motor in real time, and when the pressure value acquired by the pressure sensor reaches a preset value set in the industrial personal computer, the industrial personal computer drives the rotary driving motor to stop.
As a preferable aspect of the device for testing the life of a roller bearing according to the present invention, the elastic member is a spring.
As a preferable scheme of the device for testing the service life of the roller bearing, a blocking ring with the outer diameter larger than the diameter of the inner ring of the roller bearing and smaller than the diameter of the outer ring of the roller bearing is arranged on the outer wall of the support shaft, which is close to one side of the movable block;
and a knob limiting nut with the outer diameter larger than the diameter of the inner ring of the roller bearing and smaller than the diameter of the outer ring of the roller bearing is arranged on the free end knob of the supporting shaft.
As a preferable aspect of the device for testing the service life of the roller bearing, the support portion is a hydraulic telescopic rod, an end portion of the hydraulic telescopic rod is fixed to the bottom of the base, and a telescopic end of the hydraulic telescopic rod penetrates out of the top of the base.
As a preferable scheme of the device for testing the service life of the roller bearing, the pressure sensor is a patch type pressure sensor.
The preferable scheme of the roller bearing service life testing device provided by the utility model further comprises a noise service life testing component, wherein the noise service life testing component covers the transparent cover shell arranged at the top of the base, the supporting rod vertically arranged with the inner wall of the transparent cover shell and the microphone connected with the end part of the supporting rod, and the microphone is connected with external acoustic testing equipment.
Compared with the prior art, the utility model has the beneficial effects that: the service life testing device for the roller bearing comprises a pressure sensor, an industrial personal computer and a pressure sensor, wherein the pressure sensor is used for monitoring the pressure generated by an elastic piece in real time and transmitting the pressure to the industrial personal computer, the industrial personal computer records the number of rotation turns of the rotary driving motor in real time, when the pressure value acquired by the pressure sensor reaches a preset value set in the industrial personal computer, the industrial personal computer drives the rotary driving motor to stop, and the number of rotation turns of the rotary driving motor is the service life of the roller bearing.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the present invention will be described in detail with reference to the accompanying drawings and detailed embodiments, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise. Wherein:
FIG. 1 is a schematic structural diagram of a roller bearing life testing apparatus according to a first embodiment of the present invention;
FIG. 2 is an enlarged view of a portion of the roller bearing life testing device shown in FIG. 1;
FIG. 3 is an exploded view of a portion of the roller bearing life testing apparatus shown in FIG. 1;
FIG. 4 is a schematic structural diagram of a roller bearing life testing apparatus according to a second embodiment of the present invention;
FIG. 5 is a schematic view of a portion of the structure of FIG. 4 of the roller bearing life testing apparatus according to the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
Next, the present invention will be described in detail with reference to the drawings, wherein for convenience of illustration, the cross-sectional view of the device structure is not enlarged partially according to the general scale, and the drawings are only examples, which should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
The utility model provides a roller bearing service life testing device which can detect the vibration service life of a roller bearing.
Referring to fig. 1 to 3, which are schematic structural views illustrating a life test apparatus for a roller bearing according to a first embodiment of the present invention, referring to fig. 1 to 3, a life test apparatus for a roller bearing according to the present embodiment includes a base 100, a rotation driving motor 200, and a test assembly 300.
A mounting plate 110 is vertically provided at one side of the base 100 for mounting the rotary driving motor 200.
The rotation driving motor 200 is fixed on the side wall of the mounting plate 110, and the output end of the rotation driving motor is provided with a disc 210, and when the rotation driving motor 200 is used specifically, the disc 210 is driven to rotate.
The testing assembly 300 is used for applying stress to the roller bearing H and testing the number of rotation turns when the vibration of the roller bearing H reaches a set limit value when the roller bearing H rotates, and specifically, in the present embodiment, the testing assembly 300 includes a supporting portion 310 vertically disposed on the top of the base 100, a bearing plate 320 connected to the top of the supporting portion 310 and having a sliding slot 320a on a side edge thereof, a pressure sensor 330 disposed on the top wall of the sliding slot 320a, an elastic member 340 having one end attached to the pressure sensor 330, and a movable block 350 disposed in the sliding slot 320a and capable of sliding along the inner wall of the sliding slot 320a, wherein the top of the movable block 350 is connected to the other end of the elastic member 340, and a supporting shaft 350a for mounting the roller bearing H is vertically disposed on the side edge of the movable block 350, and the supporting shaft 350a for mounting the roller bearing H is disposed directly above the disc 210, and, when in use, the roller bearing H mounted on the supporting shaft 350a synchronously rotates with the disc 210, and the elastic member 340 compresses, the elastic force generated by the elastic member 340 to the pressure sensor 330 is increased, so that the pressure value detected by the pressure sensor 330 is increased, and after the pressure sensor 330 monitors the pressure generated by the elastic member 340 in real time, and transmit to the industrial computer, the real-time rotatory number of turns of record rotation driving motor of industrial computer, when the pressure value that pressure sensor 330 gathered reached the inside predetermined value that sets for of industrial computer, the industrial computer drive rotation driving motor shut down. Preferably, in the present embodiment, the elastic member 340 is a spring. Pressure sensor 330 is SMD pressure sensor, and supporting part 310 is hydraulic telescoping rod, and hydraulic telescoping rod's tip is fixed in the bottom of base 100, and this hydraulic telescoping rod's flexible end is worn out from the top of base 100.
Referring to fig. 1 to 3, the life test procedure of the roller bearing H of the present embodiment is as follows: moving the telescopic end of the hydraulic telescopic rod upwards to drive the whole testing assembly 300 to move upwards, mounting the roller bearing H on the supporting shaft 350a, then moving the telescopic end of the hydraulic telescopic rod downwards to drive the roller bearing H mounted on the supporting shaft 350a to be attached to the outer wall of the disc 210, and continuing to move the telescopic end of the hydraulic telescopic rod downwards to cause the movable block 350 and the bearing plate 320 to move relatively, so that the elastic part 340 is compressed to generate prestress on the roller bearing H, as shown in fig. 1 and 2, then the rotary driving motor 200 drives the roller bearing H to rotate along with the disc 210, before the roller bearing H is not abraded, after the disc 210 drives the roller bearing H to rotate for a long time, the rolling surface in the roller bearing H is abraded due to the applied stress, the abrasion amount of the rolling surface is gradually increased, so that the vibration of the roller bearing H rotating relative to the supporting shaft 350a starts to gradually increase, and then in the gyro wheel bearing H pivoted in-process, movable block 350 can reciprocate at spout 320a, when movable block 350 moves up at spout 320a, make elastic component 340 further compress, the resilience force that elastic component 340 produced to pressure sensor 330 increases, make the pressure value that pressure sensor 330 detected increase, and pressure sensor 330 real-time supervision elastic component 340 is to behind its pressure size of production, and transmit to the industrial computer, the real-time rotatory number of turns of record rotation driving motor of industrial computer, when the pressure value that pressure sensor 330 gathered reaches the predetermined value of industrial computer internal settlement, industrial computer drive rotation driving motor shuts down. At this time, the number of revolutions of the rotary driving motor recorded by the industrial personal computer is the service life of the vibration of the roller bearing H.
Further, in this embodiment, a stop ring 350b having an outer diameter larger than the inner ring diameter of the roller bearing H and smaller than the outer ring diameter of the roller bearing H is provided on the outer wall of the support shaft 350a on the side close to the movable block 350, and a knob limit nut 350c having an outer diameter larger than the inner ring diameter of the roller bearing H and smaller than the outer ring diameter of the roller bearing H is provided on the free end knob of the support shaft 350a, so that the roller bearing H mounted on the support shaft 350a is confined between the stop ring 350b and the knob limit nut 350c, thereby preventing the roller bearing H from shifting.
Fig. 4 to 5 are schematic structural views illustrating a second embodiment of a roller bearing life testing apparatus according to the present invention, which is capable of testing the amount of noise generated by abrasion of a roller bearing H, and in particular, referring to fig. 4 to 5, the roller bearing life testing apparatus further includes a noise life testing assembly 400, the noise life testing assembly 400 is covered on the transparent housing 410 at the top of the base 100, the supporting rod 420 is vertically disposed on the inner wall of the transparent housing 410, and the microphone 430 is connected to the end of the supporting rod 420, the microphone 430 is connected to an external acoustic testing device, the microphone 430 is aligned to the roller bearing H, when the roller bearing H rotates, the microphone 430 receives noise generated by rotation of the roller bearing H in real time and transmits the noise to the acoustic testing device, after the rolling surface inside the roller bearing H is abraded, the abrasion amount of the rolling surface gradually increases, the noise generated by the device is gradually increased, and the acoustic testing equipment can test the maximum noise generated after the roller bearing H is worn.
While the utility model has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the various features of the disclosed embodiments of the utility model may be used in any combination, provided that no structural conflict exists, and the combinations are not exhaustively described in this specification merely for the sake of brevity and resource conservation. Therefore, it is intended that the utility model not be limited to the particular embodiments disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.
Claims (6)
1. A roller bearing life testing device, comprising:
a base (100), one side of which is vertically provided with a mounting plate (110);
the rotary driving motor (200) is fixed on the side wall of the mounting plate (110), and the output end of the rotary driving motor is provided with a disc (210);
the testing assembly (300) comprises a supporting part (310) which is vertically arranged on the top of the base (100), a bearing plate (320) which is connected with the top of the supporting part (310) and provided with a sliding groove (320 a) at the side edge, a pressure sensor (330) which is arranged on the top wall of the sliding groove (320 a), an elastic part (340) one end of which is attached to the pressure sensor (330), and a movable block (350) which is arranged in the sliding groove (320 a) and can slide along the inner wall of the sliding groove (320 a);
the top of the movable block (350) is connected with the other end of the elastic piece (340), and a supporting shaft (350 a) which is positioned right above the disc (210) and used for mounting a roller bearing (H) is vertically arranged on the side edge of the movable block (350);
the pressure sensor (330) monitors the pressure generated by the elastic piece (340) in real time and transmits the pressure to the industrial personal computer, the industrial personal computer records the number of rotation turns of the rotary driving motor in real time, and when the pressure value acquired by the pressure sensor (330) reaches the preset value set in the industrial personal computer, the industrial personal computer drives the rotary driving motor to stop.
2. A roller bearing life testing device according to claim 1, characterized in that said elastic member (340) is a spring.
3. The roller bearing life testing device according to claim 1, wherein the outer wall of the supporting shaft (350 a) near the movable block (350) is provided with a blocking ring (350 b) having an outer diameter larger than the inner ring diameter of the roller bearing (H) and smaller than the outer ring diameter of the roller bearing (H);
and a knob limiting nut (350 c) with the outer diameter larger than the diameter of the inner ring of the roller bearing (H) and smaller than the diameter of the outer ring of the roller bearing (H) is arranged on the free end knob of the supporting shaft (350 a).
4. The roller bearing life testing device according to claim 1, wherein the supporting portion (310) is a hydraulic telescopic rod, the end of the hydraulic telescopic rod is fixed at the bottom of the base (100), and the telescopic end of the hydraulic telescopic rod penetrates out of the top of the base (100).
5. The roller bearing life testing device of claim 1, wherein the pressure sensor (330) is a patch pressure sensor.
6. The roller bearing life testing device according to claim 1, further comprising a noise life testing component (400), wherein the noise life testing component (400) covers a transparent casing (410) arranged on the top of the base (100), a support rod (420) arranged perpendicular to the inner wall of the transparent casing (410), and a microphone (430) connected with the end of the support rod (420), and the microphone (430) is connected with external acoustic testing equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122243433.8U CN215448460U (en) | 2021-09-16 | 2021-09-16 | Roller bearing life testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122243433.8U CN215448460U (en) | 2021-09-16 | 2021-09-16 | Roller bearing life testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215448460U true CN215448460U (en) | 2022-01-07 |
Family
ID=79699697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122243433.8U Expired - Fee Related CN215448460U (en) | 2021-09-16 | 2021-09-16 | Roller bearing life testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215448460U (en) |
-
2021
- 2021-09-16 CN CN202122243433.8U patent/CN215448460U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220107 |