CN207248524U - A kind of sliding bear experiment device - Google Patents
A kind of sliding bear experiment device Download PDFInfo
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- CN207248524U CN207248524U CN201720990190.5U CN201720990190U CN207248524U CN 207248524 U CN207248524 U CN 207248524U CN 201720990190 U CN201720990190 U CN 201720990190U CN 207248524 U CN207248524 U CN 207248524U
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- sliding bearing
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Abstract
It the utility model is related to a kind of sliding bear experiment device, sliding bearing to be measured is sleeved on one end of rotation axis, the other end of rotation axis, which is set, has surveyed sliding bearing or rolling bearing, the shaft shoulder is arranged in the middle part of rotation axis, the experimental rig includes being used to install sliding bearing to be measured and has surveyed the plain bearing housing and bearing block of sliding bearing or rolling bearing, by the shaft shoulder positioning and and rotation axis fixation driven wheel, for driving the power unit of driven wheel rotation and being arranged on forcing unit of the driven wheel bottom for providing eccentric moment for driven wheel, the three-dimensional stress sensor for being used for measuring sliding bearing axial stress and radial stress to be measured is equipped between the sliding bearing to be measured and the shaft shoulder, the three-dimensional stress device is arranged on the rotary shaft.Compared with prior art, the indices such as the bearing capacity, reliability and service life that measure sliding bearing that the utility model can be convenient and simple, provide foundation for further improvement, ensure that the properties of sliding bearing application complete machine indirectly.
Description
Technical field
It the utility model is related to universal machine field, and in particular to a kind of sliding bear experiment device.
Background technology
Bearing uses extensively in modern machinery and equipment, is to be used to determine rotation axis and other parts relative motion position,
Play the parts of supporting or guiding role.Its major function is the mechanical rotary body of support, to reduce equipment in transmission process
In mechanical load friction coefficient.By the difference of motor element frictional property, bearing can be divided into rolling bearing and sliding bearing two
Class.
Sliding bearing compared with rolling bearing there is large carrying capacity, service life to grow, and speed adjustable extent is wide, friction
The advantages that coefficient is low, shock resistance, good anti-vibration, precision is high, it is very wide in important events applications such as high accuracy, heavy duty, thumps
It is general, critical role is occupied in modern production.Therefore how to improve the functional reliability of sliding bearing and service life becomes people
The problem of increasingly paying close attention to.
In order to ensure the reliability of Novel sliding bearing, it is necessary to carry out related experiment to it, it is therefore intended that let us is more preferable
The understanding sliding bearing structure and its feature, the forming process and principle of liquid film are understood, by measuring sliding bearing in difference
The distribution of film pressure, changing rule in the case of rotating speed and alternate load, and then study bearing capacity, the reliability of sliding bearing
And the service life.
If but the Novel sliding bearing is applied to actual condition and is tested, can be high there are experimentation cost, be not easy to see
The problems such as examining monitoring, it is also possible to can exist because bearing failure causes the risk of whole unit failure, result in greater loss.
Utility model content
The purpose of this utility model be exactly in order to overcome the problems of the above-mentioned prior art and provide it is a kind of it is simple in structure,
The more real sliding bear experiment device of analog case.
The purpose of this utility model can be achieved through the following technical solutions：A kind of sliding bear experiment device, it is to be measured
Sliding bearing is sleeved on one end of rotation axis, and the other end of rotation axis, which is set, has surveyed sliding bearing or rolling bearing, the middle part of rotation axis
The shaft shoulder is arranged, which includes being used to install sliding bearing to be measured and surveyed the sliding bearing of sliding bearing or rolling bearing
Seat and bearing block, by the shaft shoulder positioning and and rotation axis fix driven wheel, for drive driven wheel rotate power unit with
And be arranged on driven wheel bottom and be used to provide the forcing unit of eccentric moment for driven wheel, the sliding bearing to be measured and the shaft shoulder it
Between be equipped with and be used to measure the three-dimensional stress sensor of sliding bearing axial stress and radial stress to be measured, the three-dimensional stress device set
If on the rotary shaft.Sliding bearing to be measured includes sliding bearing rotating ring and sliding bearing stationary ring, wherein, sliding bearing stationary ring is fixed
It in plain bearing housing and will not rotate, drive driven wheel to rotate by power unit, so as to drive rotation axis and sliding bearing
Rotating against between rotating ring, simulates the working condition of sliding bearing, while gives driven wheel one eccentric force by forcing unit
Square, sliding bearing rotating ring is passed to by the shaft shoulder, so as to simulate the load of sliding bearing to be measured at work, passes through three-dimensional stress
Stress situation of the sensor sensing sliding bearing to be measured in X, Y, Z axis perpendicular to each other, is sliding bearing stress load to be measured
Foundation is provided.
The power unit includes motor and the driving wheel being connected with electric machine main shaft, and the driving wheel and driven wheel connect
Connection is touched, passes through friction or gear drive.
The motor is the variable-frequency motor of adjustable speed.By variable-frequency motor, realize rotation axis under different rotary speed
The working condition of sliding bearing.
The forcing unit includes lever and is arranged on force wheel and the force section at lever both ends, and the force wheel is set
Put and be used to provide eccentric moment for driven wheel in driven wheel bottom, by lever, can effectively and easily adjust eccentric moment
Size, simulate the load of sliding bearing to be measured under different operating modes.
The force section includes cylinder and the air pressure regulator of source of the gas is provided for cylinder, and the cylinder jacks downwards.
Liquid feeding channel is equipped with the plain bearing housing, the liquid feeding channel is communicated with sliding bearing stationary ring to be measured.
Compared with prior art, the beneficial effects of the utility model are embodied in：
(1) indices such as the bearing capacity, reliability and service life that measure sliding bearing that can be convenient and simple, are further
Improve and foundation is provided, ensure that the properties of sliding bearing application complete machine indirectly；
(2) performance measurement of different operating mode properties of journal bearing lubricated is realized, and the replacement of working condition is convenient；
(3) apparatus structure is simpler, and cost of determination is low.
Brief description of the drawings
Fig. 1 is the structure diagram of the utility model.
Wherein, 1 is variable-frequency motor, and 2 be plain bearing housing, and 21 be liquid feeding channel, and 3 be sliding bearing stationary ring, and 4 be sliding axle
Rotating ring is held, 5 be three-dimensional stress sensor, and 6 be rotation axis, and 61 be the shaft shoulder, and 62 be driven wheel, and 7 be rolling bearing, and 8 be bearing block,
9 be housing, and 10 be lever, and 11 be cylinder, and 12 be air pressure regulator, and 13 be driving wheel.
Embodiment
Elaborate below to the embodiment of the utility model, the present embodiment using technical solutions of the utility model before
Put and implemented, give detailed embodiment and specific operating process, but the scope of protection of the utility model is unlimited
In following embodiments.
Embodiment 1
A kind of sliding bear experiment device, its structure as shown in Figure 1, sliding bearing to be measured is set in the upper end of rotation axis 6,
The lower end of rotation axis 6 is arranged rolling bearing 7, and the middle part of rotation axis 6 is arranged the shaft shoulder 61, which includes housing 9, for pacifying
Fill the plain bearing housing 2 of sliding bearing and rolling bearing 7 to be measured and bearing block 8, be set in the outside of the shaft shoulder 61 and solid with rotation axis 6
Fixed driven wheel 62, for driving power unit that driven wheel 62 rotates and being arranged on 62 bottom of driven wheel be used to be driven wheel
62 provide the forcing unit of eccentric moment, and being equipped between sliding bearing and the shaft shoulder 61 to be measured is used to measure sliding bearing axis to be measured
To stress and the three-dimensional stress sensor 5 of radial stress, three-dimensional stress device is set in rotation axis 6.Sliding bearing to be measured includes
Sliding bearing rotating ring 4 and sliding bearing stationary ring 3, wherein, sliding bearing stationary ring 3 is fixed in plain bearing housing 2 and will not rotate,
Driven wheel 62 is driven to rotate by power unit, so as to drive rotating against between rotation axis 6 and sliding bearing rotating ring 4, mould
Intend the working condition of sliding bearing, while give driven wheel 62 1 eccentric moments by forcing unit, so as to be passed by the shaft shoulder 61
Sliding bearing rotating ring 4 is passed, so as to simulate the load of sliding bearing to be measured at work, is sensed by three-dimensional stress sensor 5
Stress situation of the sliding bearing to be measured in X, Y, Z axis perpendicular to each other, foundation is provided for sliding bearing stress load to be measured.
Power unit includes motor and the driving wheel 13 being connected with 1 main shaft of variable-frequency motor, the level of 13 bottom of driving wheel
Emery wheel and driven wheel 62 connect.
Motor is the variable-frequency motor 1 of adjustable speed.By variable-frequency motor 1, realize rotation axis 6 in different rotary speed lower slider
The working condition of bearing.
Forcing unit includes lever 10 and is arranged on force wheel and the force section at 10 both ends of lever, force wheel be arranged on from
62 bottom of driving wheel is used to provide eccentric moment for driven wheel 62, by lever 10, can effectively and easily adjust eccentric moment
Size, simulate the load of sliding bearing to be measured under different operating modes.
Force section includes cylinder 11 and the air pressure regulator 12 of source of the gas is provided for cylinder 11, and cylinder 11 jacks downwards.
Liquid feeding channel 21 is equipped with plain bearing housing 2, liquid feeding channel 21 and the inner surface of sliding bearing stationary ring 3 to be measured connect
It is logical.
Claims (6)
1. a kind of sliding bear experiment device, sliding bearing to be measured is sleeved on one end of rotation axis, and the other end of rotation axis, which is set, have been surveyed
Sliding bearing or rolling bearing, are arranged the shaft shoulder in the middle part of rotation axis, it is characterised in that the experimental rig includes being used to install to be measured
Sliding bearing and surveyed sliding bearing or rolling bearing plain bearing housing and bearing block, by the shaft shoulder position and consolidate with rotation axis
Fixed driven wheel, for driving power unit that driven wheel rotates and being arranged on driven wheel bottom be used to provide partially for driven wheel
The forcing unit of mental and physical efforts square, between the sliding bearing to be measured and the shaft shoulder be equipped be used for measure sliding bearing axial stress to be measured and
The three-dimensional stress sensor of radial stress, the three-dimensional stress sensor sleeve are set on the rotary shaft.
2. a kind of sliding bear experiment device according to claim 1, it is characterised in that the power unit includes electricity
Machine and the driving wheel being connected with electric machine main shaft, the driving wheel and driven wheel connect, and pass through friction or gear drive.
3. a kind of sliding bear experiment device according to claim 2, it is characterised in that the motor is adjustable speed
Variable-frequency motor.
4. a kind of sliding bear experiment device according to claim 1, it is characterised in that the forcing unit includes thick stick
Bar and force wheel and the force section for being arranged on lever both ends, the force wheel are arranged on driven wheel bottom and are used to carry for driven wheel
For eccentric moment.
5. a kind of sliding bear experiment device according to claim 4, it is characterised in that the force section includes cylinder
And the air pressure regulator of source of the gas is provided for cylinder.
6. a kind of sliding bear experiment device according to claim 1, it is characterised in that set in the plain bearing housing
There is liquid feeding channel, the liquid feeding channel is communicated with sliding bearing stationary ring to be measured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720990190.5U CN207248524U (en) | 2017-08-09 | 2017-08-09 | A kind of sliding bear experiment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720990190.5U CN207248524U (en) | 2017-08-09 | 2017-08-09 | A kind of sliding bear experiment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207248524U true CN207248524U (en) | 2018-04-17 |
Family
ID=61879776
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720990190.5U Active CN207248524U (en) | 2017-08-09 | 2017-08-09 | A kind of sliding bear experiment device |
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| CN (1) | CN207248524U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110160784A (en) * | 2019-05-14 | 2019-08-23 | 西北工业大学 | A kind of sliding bear experiment device of adjustable eccentric |
-
2017
- 2017-08-09 CN CN201720990190.5U patent/CN207248524U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110160784A (en) * | 2019-05-14 | 2019-08-23 | 西北工业大学 | A kind of sliding bear experiment device of adjustable eccentric |
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