CN203337383U - Roller bearing vibration measuring apparatus - Google Patents
Roller bearing vibration measuring apparatus Download PDFInfo
- Publication number
- CN203337383U CN203337383U CN2013203543848U CN201320354384U CN203337383U CN 203337383 U CN203337383 U CN 203337383U CN 2013203543848 U CN2013203543848 U CN 2013203543848U CN 201320354384 U CN201320354384 U CN 201320354384U CN 203337383 U CN203337383 U CN 203337383U
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- China
- Prior art keywords
- flexible cushion
- cushion block
- roller bearing
- bearing
- measured bearing
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- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
The utility model discloses a roller bearing vibration measuring apparatus, comprising a sensor, a mandrel, flexible cushion blocks and slide blocks. The mandrel is used for mounting a measured bearing. A measuring head of the sensor contacts with the top part of the measured bearing. The slide blocks comprise a first slide block and a second slide block. The flexible cushion blocks comprise a first flexible cushion block and a second flexible cushion block. The first flexible cushion block is mounted on the first slide block, while the second flexible cushion block is mounted on the second slide block. The top parts of the first and second flexible cushion blocks contact with the outer surface of the measured bearing and apply a radial load onto the measured bearing. Through the aforementioned mode, the roller bearing vibration measuring apparatus of the utility model is capable of effectively reducing a measuring error caused by inappropriateness of a measuring method and increasing accuracy of determination of a roller bearing vibration grade.
Description
Technical field
The utility model relates to the bearing measuring technical field, particularly relates to a kind of roller bearing vibration measurement device.
Background technology
At present, a large amount of clients feeds back and shows, the roller bearing vibration measurements is qualified, but, in the installation use procedure, its vibration, noise but not necessarily can reach client's request for utilization.Show by analysis, at present, when measuring the vibration of roller bearing, bearing inner race is arranged on axle, with axle, rotates, and inner ring is certain axial pretightening load in addition, and outer ring applies corresponding radial load, and the radial load direction vertically downward.But, in real work, the radial load that bearing outer ring bears is straight up.Therefore the load of using in measuring is not identical with the actual load of using centre bearer to bear.Further investigation can find, current roller bearing measuring method is not considered the impact of the deadweight of the inner roller of bearing on bear vibration.This will inevitably produce certain measuring error.
In addition, what current roller bearing vibration measuring set adopted is that sensor and charger homonymy are measured, but actual vibrative amplitude zone is the opposite side in the loaded load zone.Main cause is this regional play maximum, the degree of freedom maximum, and the Oscillation Amplitude of generation is also maximum.Therefore, asynchronous due to vibration amplitude zone and sensor measurement zone, it will inevitably cause certain measuring error.
The utility model content
The technical matters that the utility model mainly solves is: for the deficiencies in the prior art, provide a kind of roller bearing vibration measurement device, can effectively reduce the measuring error of bringing because measuring method is improper, improve the accuracy rate of judging the roller bearing vibration class.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of roller bearing vibration measurement device is provided, comprise: sensor, axle, flexible cushion block and slide block, described axle is for installing measured bearing, the gauge head of described sensor contacts with the top of described measured bearing, described slide block comprises the first slide block and the second slide block, described flexible cushion block comprises the first flexible cushion block and the second flexible cushion block, the described first flexible cushion block is arranged on described the first slide block, the described second flexible cushion block is arranged on described the second slide block, and the top of the described first flexible cushion block and described the second flexible cushion block contacts with the outside surface of measured bearing, and measured bearing is applied to radial load.
In preferred embodiment of the utility model, in contact point on the measured bearing outside surface of the described first flexible cushion block, the described second flexible cushion block and axle, be formed centrally an angle.
In preferred embodiment of the utility model, described angle is 90 °-120 °.
In preferred embodiment of the utility model, the described first flexible cushion block, the contact point of the described second flexible cushion block on the measured bearing outside surface are to take that the gauge head of described sensor is axis of symmetry at the line of centres of the contact point concentric shafts at measured bearing top.
In preferred embodiment of the utility model, described roller bearing vibration measurement device also comprises locking device, and described locking device is connected with described axle, for the fixing inner ring end face of measured bearing, and applies prefastening load.
The beneficial effects of the utility model are: by the inner ring end face to measured bearing, apply prefastening load, and adopt the bearing mode of the outer ring under the actual service condition of simulation to be loaded roller bearing, measure the vibration of roller bearing, change the measuring position of sensor simultaneously, make measured zone more suit in the vibration amplitude zone, can effectively reduce because load mode is improper and the improper measuring error of bringing of measuring method, improve the accuracy rate of judging the roller bearing vibration class.
The accompanying drawing explanation
Fig. 1 is the structural representation of a kind of roller bearing vibration measurement device of the utility model;
In accompanying drawing, the mark of each parts is as follows: 1, sensor, 2, measured bearing, 3, axle, the 41, first flexible cushion block, the 42, second flexible cushion block, the 51, first slide block, the 52, second slide block, θ, angle.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail, thereby so that advantage of the present utility model and feature can be easier to be it will be appreciated by those skilled in the art that, protection domain of the present utility model is made to more explicit defining.
Refer to Fig. 1, the utility model embodiment comprises:
A kind of roller bearing vibration measurement device, comprise: sensor 1, axle 3, flexible cushion block and slide block, described axle 3 is for installing measured bearing 2, and the gauge head of described sensor 1 contacts with the top of described measured bearing 2, for measuring the vibration values at measured bearing 2 tops, described slide block comprises the first slide block 51 and the second slide block 52, described flexible cushion block comprises the first flexible cushion block 41 and the second flexible cushion block 42, the described first flexible cushion block 41 is arranged on described the first slide block 51, the described second flexible cushion block 42 is arranged on described the second slide block 52, and the top of the described first flexible cushion block 41 and the described second flexible cushion block 42 contacts with the outside surface of measured bearing 2, and measured bearing 2 is applied to radial load, it is fixed that the applied amount of radial load is come according to the model size of measured bearing 2, and the radial load that the described first flexible cushion block 41 and the described second flexible cushion block 42 apply equates.
Wherein, be formed centrally an angle theta in contact point on the outside surface of measured bearing 2 of the described first flexible cushion block 41, the described second flexible cushion block 42 and described axle 3, wherein, described angle theta is 90 °-120 °, be preferably 90 °, and the described first flexible cushion block 41, the contact point of the described second flexible cushion block 42 on the outside surface of measured bearing 2 are to take that the gauge head of described sensor 1 is axis of symmetry at the contact point at the top of measured bearing 2 with the line of centres of described axle 3.
Described roller bearing vibration measurement device also comprises locking device, described locking device is connected with described axle 3, be used for the fixedly inner ring end face of measured bearing 2, and the inner ring end face of measured bearing 2 is applied to prefastening load, it is fixed that the applied amount of prefastening load is come according to the model size of measured bearing 2.
During measurement, first measured bearing 2 is arranged on axle 3, measured bearing 2 can be rotated with axle 3; And by locking device, the inner ring end face of measured bearing 2 is applied to certain prefastening load, stable to guarantee running; Then flexible cushion block (41,42) is arranged on to slide block (51,52) upper, by flexible cushion block (41,42), bearing outer ring is carried out to radial loaded, loading direction straight up; Then sensor 1 is placed in to the top of measured bearing 2, and guarantees that sensor 1 does not break away from measured bearing 2, now, the sensor 1 at the top by being placed in measured bearing 2 is measured the vibration values at measured bearing 2 tops, and reads numerical value.
The utility model has disclosed a kind of roller bearing vibration measurement device, apply prefastening load by the inner ring end face to measured bearing, and adopt the bearing mode of the outer ring under the actual service condition of simulation to be loaded roller bearing, measure the vibration of roller bearing, change the measuring position of sensor simultaneously, make measured zone more suit in the vibration amplitude zone, can effectively reduce because load mode is improper and the improper measuring error of bringing of measuring method, improve the accuracy rate of judging the roller bearing vibration class.
The foregoing is only embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model instructions and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in scope of patent protection of the present utility model.
Claims (5)
1. a roller bearing vibration measurement device, it is characterized in that, comprise: sensor, axle, flexible cushion block and slide block, described axle is for installing measured bearing, the gauge head of described sensor contacts with the top of described measured bearing, described slide block comprises the first slide block and the second slide block, described flexible cushion block comprises the first flexible cushion block and the second flexible cushion block, the described first flexible cushion block is arranged on described the first slide block, the described second flexible cushion block is arranged on described the second slide block, and the top of the described first flexible cushion block and described the second flexible cushion block contacts with the outside surface of measured bearing, and measured bearing is applied to radial load.
2. roller bearing vibration measurement device according to claim 1, is characterized in that, in contact point on the measured bearing outside surface of the described first flexible cushion block, the described second flexible cushion block and axle, is formed centrally an angle.
3. roller bearing vibration measurement device according to claim 2, is characterized in that, described angle is 90 °-120 °.
4. roller bearing vibration measurement device according to claim 2, it is characterized in that, the first flexible cushion block, the contact point of the described second flexible cushion block on the measured bearing outside surface are to take that the gauge head of described sensor is axis of symmetry at the line of centres of the contact point concentric shafts at measured bearing top.
5. roller bearing vibration measurement device according to claim 1, it is characterized in that, described roller bearing vibration measurement device also comprises locking device, and described locking device is connected with described axle, be used for the fixedly inner ring end face of measured bearing, and apply prefastening load.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203543848U CN203337383U (en) | 2013-06-20 | 2013-06-20 | Roller bearing vibration measuring apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203543848U CN203337383U (en) | 2013-06-20 | 2013-06-20 | Roller bearing vibration measuring apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203337383U true CN203337383U (en) | 2013-12-11 |
Family
ID=49706052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203543848U Expired - Lifetime CN203337383U (en) | 2013-06-20 | 2013-06-20 | Roller bearing vibration measuring apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203337383U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103308311A (en) * | 2013-06-20 | 2013-09-18 | 常熟长城轴承有限公司 | Roller bearing vibration measuring device |
-
2013
- 2013-06-20 CN CN2013203543848U patent/CN203337383U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103308311A (en) * | 2013-06-20 | 2013-09-18 | 常熟长城轴承有限公司 | Roller bearing vibration measuring device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 30, Suzhou Road, Changshu City, Suzhou City, Jiangsu Province 215500 Patentee after: Suzhou Great Wall Precision Technology Co., Ltd. Address before: No. 30, Suzhou Road, Changshu City, Suzhou City, Jiangsu Province 215500 Patentee before: CSC Bearing Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131211 |
|
| CX01 | Expiry of patent term |