CN209690143U - A kind of friction and wear characteristic test device - Google Patents
A kind of friction and wear characteristic test device Download PDFInfo
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- CN209690143U CN209690143U CN201822061152.9U CN201822061152U CN209690143U CN 209690143 U CN209690143 U CN 209690143U CN 201822061152 U CN201822061152 U CN 201822061152U CN 209690143 U CN209690143 U CN 209690143U
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Abstract
The utility model relates to a kind of friction and wear characteristic test devices, it includes organic frame, driving mechanism, test axis, bearing shell, pressure foot, dynamometer link, dynamometer and amesdial, the test axis is connect with the gantry rotation, one end of the test axis is fixed on the output end of the driving mechanism, the test axis is socketed with the bearing shell far from one end of the driving mechanism, the test axis can rotate under the driving of the driving mechanism relative to the bearing shell, one end of the dynamometer link is fixedly connected with the bearing shell, the dynamometer link is provided with the dynamometer far from one end of the bearing shell, the pressure foot is socketed in the outside of the bearing shell, and pressure can be applied to the bearing shell, the test lead of the amesdial supports on the bearing shell.The utility model provides the test device of the frictional behaviour of test revolving body surface.
Description
Technical field
The utility model relates to material friction technical field of performance test more particularly to a kind of friction and wear characteristic test dresses
It sets.
Background technique
One of the principal mode of fretting wear part failure, the frictional behaviour of piece surface will have a direct impact on machinery equipment
Reliability, the utilization rate of durability and energy, therefore study wear law, improve material and machine components wearability, it is right
Economize on resources, reduce material consumption and extend parts life-span be all of great significance.
Frictional behaviour of the part under different operating conditions is different, therefore the research of frictional behaviour is more complicated.It is many
It is more research shows that the micro- texture in surface can improve the frictional behaviour on part time job surface well, be widely used in cylinder sleeve, work
The working surface of plug, cutter and mold.The micro- texture part friction performance testing device in surface is just in planar friction at present,
The device of the micro- texture frictional behaviour of revolving body surface is not tested, therefore, design studies, which go out one kind and can test revolving body surface, to rub
The device for wiping performance is necessary.
Utility model content
Technical problem to be solved in the utility model is how to test the frictional behaviour of revolving body surface.
The utility model solves technical solution used by above-mentioned technical problem:
A kind of friction and wear characteristic test device, including organic frame, driving mechanism, test axis, bearing shell, pressure foot, dynamometry
Bar and dynamometer, the test axis are connect with the gantry rotation, and one end of the test axis is fixed on the driving mechanism
On output end, the test axis is socketed with the bearing shell far from one end of the driving mechanism, and the test axis is in the driving
It can be rotated relative to the bearing shell under the driving of mechanism, one end of the dynamometer link is fixedly connected with the bearing shell, the dynamometer link
One end far from the bearing shell is provided with the dynamometer, and the pressure foot is socketed in the outside of the bearing shell, and can be to described
Bearing shell applies pressure, and the test lead of the amesdial supports on the bearing shell.
In a preferred embodiment, it is provided with fuel feed hole on the bearing shell, it can be described by the fuel feed hole
Lubricating oil is added between test axis and bearing shell.
It in a preferred embodiment, further include having pressing lever, one end of the pressing lever and the pressurization
Seat is supported far from the side of the bearing shell, and the pressing lever is provided with objective table far from one end of the pressure foot, described to add
Pressure lever supports position in the middle with the rack.
In a preferred embodiment, the side of the pressure foot towards the pressing lever is provided with the first V-arrangement
Groove, one end that the pressing lever supports the pressure foot are provided with the first V-arrangement protrusion, and the first V-arrangement protrusion grafting is supported
It holds in first v-depression.
In a preferred embodiment, roller, the roller are additionally provided between the pressure foot and the bearing shell
Axle center and the bearing shell axis parallel.
It in a preferred embodiment, further include having bearing, the bearing includes outer ring and inner ring, the outer ring
It is fixed in the rack, the test axis is plugged in the inner ring and the relatively described inner ring is removably secured.
It in a preferred embodiment, further include having outer tight loop, interior tight loop and nut, the test axis grafting
In the interior tight loop, the nut and outer tight loop are successively socketed on the interior tight loop, the outer tight loop grafting
In the inner ring, the face that the outer tight loop and interior tight loop offset is set as the identical inclined-plane of slope, the nut with
Interior tight loop is threadedly engaged, and when the nut is rotated relative to the interior tight loop, the outer tight loop, interior tight loop can be distinguished
It is supported with the inner ring, test axis extruding, so that the relatively described inner ring of test axis is fixed or the outer tight loop, interior
Tight loop is supported with the inner ring, test axis disengaging respectively, so that the test axis is detached from the inner ring.
In a preferred embodiment, the output end of the driving mechanism passes through yielding coupling and the test axis
It is fixedly connected.
The beneficial effects of the utility model are:
The utility model makes to test axis relative to bearing shell rotation, testing axis with bearing shell is according to the working principle of sliding bearing
Line contact, is added lubricating oil between test axis and bearing shell when test, passes through driving mechanism and adjusts test axis and turns with respect to bearing shell
Speed loads certain load to test axis by pressure foot, calculates test axis and bearing shell by the reading of amesdial and dynamometer
Between oil film thickness and test axis and bearing shell between frictional force, finally with oil film thickness and coefficient of friction qualification test axis
Frictional behavior, single unit system is simple and reliable, can effectively evaluate the frictional behavior of slewing parts.
Detailed description of the invention
The utility model is described further with reference to the accompanying drawings and examples.
Fig. 1 is the oblique view of the friction and wear characteristic test device of the utility model one embodiment；
Fig. 2 is the explosive view of the friction and wear characteristic test device of the utility model one embodiment；
Fig. 3 is the front view of the friction and wear characteristic test device of the utility model one embodiment；
Fig. 4 is the top view of the friction and wear characteristic test device of the utility model one embodiment；
Fig. 5 is the cross-sectional view of the friction and wear characteristic test device of the utility model one embodiment；
Fig. 6 is another cross-sectional view of the friction and wear characteristic test device of the utility model one embodiment.
Specific embodiment
It is carried out below with reference to technical effect of the embodiment and attached drawing to the design of the utility model, specific structure and generation
Clear, complete description, to be completely understood by the purpose of this utility model, scheme and effect.It should be noted that not conflicting
In the case where, the features in the embodiments and the embodiments of the present application can be combined with each other.
It should be noted that unless otherwise specified, when a certain feature referred to as " fixation ", " connection " are in another feature,
It can directly fix, be connected to another feature, and can also fix, be connected to another feature indirectly.In addition, this
The descriptions such as upper and lower, left and right used in utility model are only the phase relative to each component part of the utility model in attached drawing
For mutual positional relationship.
In addition, unless otherwise defined, the technology of all technical and scientific terms used herein and the art
The normally understood meaning of personnel is identical.Term used in the description is intended merely to description specific embodiment herein, without
It is to limit the utility model.Term " and or " used herein includes appointing for one or more relevant listed items
The combination of meaning.
Referring to Figures 1 and 2, the friction and wear characteristic test device of the present embodiment includes organic frame 1, driving mechanism 2, slows down
Machine 3, reducer union 5, nut 6, outer tight loop 7, bearing 8, interior tight loop 9, test axis 10, bearing shell 11, is surveyed yielding coupling 4
One end of power bar 12, dynamometer 13, pressure foot 14, roller 15, pressing lever 16 and amesdial (not shown), test axis 10 is fixed
On the output end of driving mechanism 2, test axis 10 and rack 1 are rotatablely connected, and test one end grafting of the axis 10 far from driving mechanism 2
In bearing shell 11, under the driving of driving mechanism 2, test axis 10 can be rotated relative to bearing shell 11.
Specifically, driving mechanism 2 is motor, motor is connect through speed reducer 3 with yielding coupling 4, and yielding coupling 4 passes through
Reducer union 5 is fixedly connected with test axis 10, by the way that yielding coupling 4 is arranged, can be reduced the generation and transmitting of vibration, be reduced vibration
The dynamic influence to test axis 10, while by replacement reducer union 5, can the test axis 10 to different-diameter test, improve
The versatility of test device.
It is provided with support base 21 in rack 1, gland 22 is provided on support base 21, support base 21 and 22 interlocking of gland are solid
It is fixed, bearing 8 is provided between support base 21 and gland 22, bearing 8 includes outer ring and inner ring, and the outer ring of bearing 8 is fixed
Between support base 21 and gland 22, test axis 10 is plugged in the inner ring of bearing 8 and the inner ring of opposite bearing 8 is fixed.To make
The movement that axis 10 must be tested is more steady, and support base 21, gland 22 and bearing 8 are provided with two pairs along the axial direction of test axis 10.
Referring to Fig. 2, Fig. 4 and Fig. 6, test axis 10 is fixed on bearing 8 by nut 6, outer tight loop 7 and interior tight loop 9
On inner ring, nut 6 and outer tight loop 7 are socketed on interior tight loop 9, and nut 6 and one end of outer tight loop 7 support, nut 6 with
The threaded one end of interior tight loop 9 cooperates, and outer tight loop 7 and the face that interior tight loop 9 offsets are set as the identical face of slope, and interior
Tight loop 9 is provided with short slot 91 along its axial direction on its inclined-plane, and short slot 91 has run through the surfaces externally and internally of interior tight loop 9, outer tight loop 7
It is plugged in the inner ring of bearing 8, test axis 10 is plugged in interior tight loop 9.By rotating nuts 6, may make outer tight loop 7,
Interior tight loop 9 is supported with the inner ring of bearing 8, the test compression of axis 10 respectively, and the inner ring for testing the opposite bearing 8 of axis 10 thus can be made solid
It is fixed, similarly, by reversely rotating nut 6, may make outer tight loop 7, interior tight loop 9 respectively with the inner ring of bearing 8, test axis 10
Disengaging supports, and thus can make to test the inner ring that axis 10 is detached from bearing 8, can carry out the installation and replacement of test axis 10 at this time.
By setting nut 6, outer tight loop 7 and interior tight loop 9, it can quickly and easily realize that the installation of test axis 10 is fixed
And replacement, while the versatility of test device can be improved, meet the testing requirement of the test axis 10 of different-diameter.
Referring to Fig. 2, Fig. 3 and Fig. 5, test axis 10 is socketed with bearing shell 11 far from one end of driving mechanism 2, tests axis 10 and axis
Watt 11 clearance fits, bearing shell 11 are fixedly connected with dynamometer link 12, and in the present embodiment, one end of dynamometer link 12 passes through sleeve and is socketed
Be fixed on bearing shell 11, fixed form can be used interference fit or using key connection, the one end of dynamometer link 12 far from bearing shell 11 with
Dynamometer 13 supports, and dynamometer 13 uses the instrument of can detect pressure.
To load certain load to test axis 10 and bearing shell 11, the outside of bearing shell 11 is also socketed with pressure foot 14 indirectly,
One end of pressing lever 16 is supported with pressure foot 14, and pressing lever 16 is provided with objective table 31 far from one end of pressure foot 14, is added
Pressure lever 16 supports position in the middle with rack 1, can be passed through with lever principle by increasing counterweight on objective table 31
Pressure foot 14 pressurizes to bearing shell 11.
Frictional force between pressure foot 14 and bearing shell 11 is minimum, prevents the friction effects from testing 10 suface friction of axis
The test of energy, is additionally provided with roller 15 between pressure foot 14 and bearing shell 11, further, can be between pressure foot 14 and bearing shell 11
Increase lubricating oil.
To make pressing lever 16 apply the radial power of pressure foot 14, one end of pressing lever 16 always to pressure foot 14
It is provided with the first V-arrangement protrusion 33, the side of pressure foot 14 towards pressing lever 16 is provided with the first v-depression 41, and the first V-arrangement is convex
It plays 33 to be plugged in the first v-depression 41, and the tip of the first V-arrangement protrusion 33 and the top of the first v-depression 41 support, first
V-arrangement protrusion 33 can be swung by a small margin with respect to the first v-depression 41；Similarly, pressing lever 16 and the position that supports of rack 1 can be used
Identical structure, the side of pressing lever 16 towards rack 1 are provided with the second V-arrangement protrusion 32, and the top of the support 23 in rack 1 is set
It is equipped with the second v-depression.
It is in the sliding mode of a lubrication to make to test axis 10 and bearing shell 11, is additionally provided with fuel feed hole on bearing shell 11.
For the oil film thickness of testing experiment axis 10 and 11 lubricating status of bearing shell, the upper end of bearing shell 11 is additionally provided with amesdial,
The test lead spacing of amesdial supports on bearing shell 11 (test lead of amesdial and the sleeve of 12 one end of dynamometer link directly support),
And the change in displacement of 11 vertical direction of bearing shell can be tested.
When specific test, first test axis 10 can be plugged in bearing shell 11, and test axis 10 and the inner ring of bearing 8 are consolidated
Fixed, the output end of test axis 10 one end and driving mechanism 2 far from bearing shell 11 is fixed；Later, increase counterweight on objective table 31,
Pressure is applied to bearing shell 11 by pressure foot 14, amesdial is returned to zero, and support the test lead of amesdial with 11 spacing of bearing shell；
Then, lubricating oil is added by the oil filler point on bearing shell 11, to test axis 10 with respect to bearing shell 11 with certain by driving mechanism 2
Rotational speed records the reading of amesdial and dynamometer, and the ink thickness between test axis and bearing shell and examination is finally calculated
Test the coefficient of friction of axis and bearing shell.
It is to be illustrated to the preferable implementation of the utility model, but the utility model creation is not limited to institute above
Embodiment is stated, those skilled in the art can also make various be equal without departing from the spirit of the present invention
Deformation or replacement, these equivalent deformations or replacement are all included in the scope defined by the claims of the present application.
Claims (8)
1. a kind of friction and wear characteristic test device, which is characterized in that including organic frame, driving mechanism, test axis, bearing shell, add
Wedge, dynamometer link, dynamometer and amesdial, the test axis are connect with the gantry rotation, and one end of the test axis is fixed
On the output end of the driving mechanism, the test axis is socketed with the bearing shell far from one end of the driving mechanism, described
Test axis can rotate under the driving of the driving mechanism relative to the bearing shell, and one end of the dynamometer link is fixed with the bearing shell
Connection, the dynamometer link are provided with the dynamometer far from one end of the bearing shell, and the pressure foot is socketed in the bearing shell
Outside, and pressure can be applied to the bearing shell, the test lead of the amesdial supports on the bearing shell.
2. friction and wear characteristic test device according to claim 1, which is characterized in that be provided with oil inlet on the bearing shell
Hole can add lubricating oil between test axis and the bearing shell by the fuel feed hole.
3. friction and wear characteristic test device according to claim 1, which is characterized in that it further include having pressing lever, institute
The one end for stating pressing lever is supported with the pressure foot far from the side of the bearing shell, and the pressing lever is far from the pressure foot
One end be provided with objective table, position supports the pressing lever with the rack in the middle.
4. friction and wear characteristic test device according to claim 3, which is characterized in that the pressure foot adds towards described
The side of pressure lever is provided with the first v-depression, and it is convex that one end that the pressing lever supports the pressure foot is provided with the first V-arrangement
It rises, the first V-arrangement protrusion grafting supports in first v-depression.
5. friction and wear characteristic test device according to claim 1, which is characterized in that the pressure foot and the bearing shell
Between be additionally provided with roller, the axis parallel in the axle center of the roller and the bearing shell.
6. friction and wear characteristic test device according to claim 1, which is characterized in that it further include having bearing, the axis
Holding includes outer ring and inner ring, and the outer ring is fixed in the rack, and the test axis is plugged in the inner ring simultaneously opposite
The inner ring is removably secured.
7. friction and wear characteristic test device according to claim 6, which is characterized in that further include having outer tight loop, interior
Tight loop and nut, the test axis are plugged in the interior tight loop, and the nut and outer tight loop are successively socketed in described
On interior tight loop, the outer tight loop is plugged in the inner ring, the face setting that the outer tight loop and interior tight loop offset
For the identical inclined-plane of slope, the nut is threadedly engaged with interior tight loop, when the nut is rotated relative to the interior tight loop,
The outer tight loop, interior tight loop can be supported with the inner ring, test axis extruding respectively, so that the test axis is relatively described interior
Circle is fixed or the outer tight loop, interior tight loop are supported with the inner ring, test axis disengaging respectively, so that the test axis
It is detached from the inner ring.
8. friction and wear characteristic test device according to claim 1, which is characterized in that the output end of the driving mechanism
It is fixedly connected by yielding coupling with the test axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822061152.9U CN209690143U (en) | 2018-12-10 | 2018-12-10 | A kind of friction and wear characteristic test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822061152.9U CN209690143U (en) | 2018-12-10 | 2018-12-10 | A kind of friction and wear characteristic test device |
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| Publication Number | Publication Date |
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| CN209690143U true CN209690143U (en) | 2019-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201822061152.9U Active CN209690143U (en) | 2018-12-10 | 2018-12-10 | A kind of friction and wear characteristic test device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109596516A (en) * | 2018-12-10 | 2019-04-09 | 南方科技大学 | A kind of friction and wear characteristic test device and its test method |
| CN109596516B (en) * | 2018-12-10 | 2024-07-02 | 南方科技大学 | Friction and wear characteristic testing device and testing method thereof |
-
2018
- 2018-12-10 CN CN201822061152.9U patent/CN209690143U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109596516A (en) * | 2018-12-10 | 2019-04-09 | 南方科技大学 | A kind of friction and wear characteristic test device and its test method |
| CN109596516B (en) * | 2018-12-10 | 2024-07-02 | 南方科技大学 | Friction and wear characteristic testing device and testing method thereof |
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