CN205808827U - Friction specimen holder - Google Patents
Friction specimen holder Download PDFInfo
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- CN205808827U CN205808827U CN201620741658.2U CN201620741658U CN205808827U CN 205808827 U CN205808827 U CN 205808827U CN 201620741658 U CN201620741658 U CN 201620741658U CN 205808827 U CN205808827 U CN 205808827U
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- specimen holder
- friction
- sample
- fixture
- hole
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Abstract
This utility model provides a kind of friction specimen holder, it provides integrally-built stability by fixture mounting disc, and arranged by the minim gap between clamping fixture and specimen holder, make the lower friction sample being positioned in specimen holder can have certain adaptive ability when carrying out friction test, can trim locations voluntarily, ensure that between lower friction sample with upper friction sample stable contacts, improve stability and the damping effect of friction test, thus the friction test being guaranteed in closing environment under high pressure chamber carrying out can be properly functioning.
Description
Technical field
This utility model relates to environment friction test technical field, particularly relates to a kind of friction specimen holder.
Background technology
In existing friction test, although reduce vibration by adding the methods such as spring, but be because clamping deviation, rub
Deflection or the vibration of wiping each parts of reason such as fast, the abrasive particle impact of speed cannot be avoided, and now fixing friction sample is the most inclined
Tiltedly, being difficult to maintain stable face contact, this is more difficult to control in the blocking test environment of environment under high pressure frictional testing machine.
In existing conventional friction testing machine, there is the setting of friction specimen holder accordingly increasing friction sample degree of stability
Meter, it can produce a certain degree of fine motion displacement during friction test, to reach the effect of stable friction.But due to
Conventional friction testing machine is carried out in friction test, i.e. friction process under open environment, and friction sample carries out the feelings rubbed
Condition can observe directly, and it is the most harsh that integrated environment and adaptive requirement are not as environment under high pressure frictional testing machine, and
Big load is relatively low, although therefore it is to reach certain increase friction test stabilizing effect, but this effect does not reaches ring
The requirement of border friction test.
Utility model content
The purpose of this utility model is to provide a kind of friction specimen holder, to be applied to environment under high pressure frictional testing machine, and
Stable, vibration damping and self adaptation effect can be played, thus the friction test being guaranteed in closing environment under high pressure chamber carrying out can be just
Often run.
For reaching above-mentioned technical purpose, this utility model provides a kind of friction specimen holder, and it is used for environment under high pressure friction
Testing machine, described friction specimen holder includes that fixture mounting disc, clamping fixture and specimen holder, described fixture mounting disc are arranged at
In lower friction sample driving means in described environment under high pressure frictional testing machine, described fixture mounting disc offers least one set
Installing hole group, described clamping fixture is fixed on the hole, location in described installing hole group or institute by installing hole group described in arbitrary group
State location hole in, described specimen holder is arranged in described clamping fixture, and and described clamping fixture between there is gap, under rub
Wipe sample to be arranged in described specimen holder.
Optionally, described lower friction sample is block sample, and one end of described piece of sample is arranged in described specimen holder, separately
One end contacts to carry out friction test with upper friction sample.
Further, described clamping fixture is arranged on hole, described location, and described clamping fixture offers a circular arc
Groove, the bottom surface of described specimen holder is that shape matches with described circular groove and arc length is less than described circular groove
The lower arcuate surface of arc length, the side of described specimen holder and described circular groove have gap, and described lower arcuate surface is with described
Circular groove contact arrange, in described specimen holder on offer a square groove, one end of described piece of sample is arranged at institute
State in square groove.
Further, described clamping fixture offers two screws, lays respectively at the both sides of described circular groove, spiral shell
Described clamping fixture is fixed in described fixture mounting disc by nail through described screw.
Further, the side of described clamping fixture is additionally provided with baffle plate, described baffle plate be positioned at described circular groove away from
The side at the center of described fixture mounting disc.
Further, the bottom of described circular groove is further opened with a bar shaped shallow slot, and described bar shaped shallow slot is along described folder
Being radially arranged of tool mounting disc.
Optionally, described lower friction sample is ball sample, and the cylindrical end of described ball sample is arranged at described specimen holder
In, the spheric end of described ball sample contacts with upper friction sample.
Further, described clamping fixture includes disc structure, cylinder linkage section and clamp structure, described cylinder linkage section
Be arranged at the center of described disc structure, and be fixed in hole, described location by described disc structure, described disc structure and
The cylinder linkage section heart from which the most vertically offers a slit to edge, and the side of described cylinder linkage section offers one
Lateral slot, described clamp structure is positioned at described lateral slot, and clamps described cylinder linkage section, and described specimen holder is a circle
Cylinder, described cylinder being axially set in described cylinder linkage section along described cylinder linkage section, described cylindrical bottom surface
Falling within described lateral slot, have gap between described cylindrical side and described clamp structure, described cylinder is along its axle
To being provided with through hole, the cylindrical end of described ball sample is arranged in described cylinder linkage section through described through hole.
Further, described disc structure is angularly provided with fixing hole along its circumference, and screw passes described fixing hole by institute
State clamping fixture to be fixed in described fixture mounting disc.
Further, described clamp structure includes that holder and lock-screw, described holder clamp described cylinder even
The section of connecing, two bare terminal ends of described holder are positioned at described lateral slot, and it is logical to be respectively equipped with two corresponding screw threads of position
Hole, described lock-screw tightens up described cylinder linkage section, described specimen holder and described locking by said two tapped through hole
There is between screw gap.
Further, often organize described installing hole group and all include positioning hole and clamping fixture installing hole, described lower friction examination
Sample is positioned the position in hole, described location, and described clamping fixture installing hole is arranged at around hole, described location, and fixing described folder
Hold fixture.
Further, described clamping fixture installing hole includes block sample holder fixture installing hole or/and ball sample holder presss from both sides
Tool installing hole, described piece of sample holder fixture installing hole and ball sample holder fixture installing hole fixing corresponding specimen types respectively
Clamping fixture.
Further, described fixture mounting disc offers many group installing hole groups, the location in described many group installing hole groups
Hole is different with the distance at the center of described fixture mounting disc.
Compared with prior art, this utility model has the advantages that
The friction specimen holder that this utility model provides provides integrally-built stability by fixture mounting disc, and passes through
Minim gap between clamping fixture and specimen holder is arranged so that the lower friction sample being positioned in specimen holder is rubbing
Can have certain adaptive ability during test, can trim locations voluntarily, it is ensured that lower friction sample and upper friction sample it
Between stable contact, improve stability and the damping effect of friction test, thus be guaranteed in closing in environment under high pressure chamber and carry out
Friction test can be properly functioning.
Accompanying drawing explanation
The utility model is described in further detail below in conjunction with the accompanying drawings:
Fig. 1 is applied to knot during environment under high pressure frictional testing machine for the friction specimen holder that this utility model embodiment provides
Structure schematic diagram；
The structural representation of fixture mounting disc in the friction specimen holder that Fig. 2 provides for this utility model embodiment；
Friction specimen holder its clamping fixture when friction sample is block sample that Fig. 3 provides for this utility model embodiment
Front view with specimen holder；
Friction specimen holder its clamping fixture when friction sample is block sample that Fig. 4 provides for this utility model embodiment
Top view with specimen holder；
Friction specimen holder its clamping fixture when friction sample is ball sample that Fig. 5 provides for this utility model embodiment
Front view with specimen holder；
Friction specimen holder its clamping fixture when friction sample is ball sample that Fig. 6 provides for this utility model embodiment
Top view with specimen holder.
In Fig. 1 is to 6,
1: fixture mounting disc；2: clamping fixture；3: specimen holder；4: lower friction sample；5: hole, location；6: circular arc is recessed
Groove；7: square groove；8: screw；9: baffle plate；10: bar shaped shallow slot；11: disc structure；12: cylinder linkage section；13: slit；14:
Lateral slot；15: through hole；16: fixing hole；17: holder；18: lock-screw；19: block sample holder fixture installing hole；20: ball
Sample holder fixture installing hole；21: lower friction sample driving means；22: upper friction sample driving means；23: upper friction sample.
Detailed description of the invention
Make the most specifically below in conjunction with the drawings and specific embodiments friction specimen holder to the utility model proposes
Bright.According to following explanation and claims, advantage of the present utility model and feature will be apparent from.It should be noted that, accompanying drawing is equal
Use the form simplified very much and all use non-ratio accurately, only real in order to aid in illustrating this utility model conveniently, lucidly
Execute the purpose of example.
Core concept of the present utility model is, it is provided that a kind of friction specimen holder, and it provides whole by fixture mounting disc
The stability of body structure, and arranged by the minim gap between clamping fixture and specimen holder so that it is positioned in specimen holder
Lower friction sample can have certain adaptive ability when carrying out friction test, can trim locations voluntarily, it is ensured that under
Stable between friction sample with upper friction sample contacts, and improves stability and the damping effect of friction test, thus ensures
The friction test carried out in closing environment under high pressure chamber can be properly functioning.
Refer to Fig. 1 to 6, Fig. 1 is applied to environment under high pressure for the friction specimen holder that this utility model embodiment provides and rubs
Wipe structural representation during testing machine；Fixture mounting disc in the friction specimen holder that Fig. 2 provides for this utility model embodiment
Structural representation；Friction specimen holder its clamping when friction sample is block sample that Fig. 3 provides for this utility model embodiment
Fixture and the front view of specimen holder；The friction specimen holder that Fig. 4 provides for this utility model embodiment is block at friction sample
Its clamping fixture and the top view of specimen holder during sample；The friction specimen holder that Fig. 5 provides for this utility model embodiment exists
Its clamping fixture and the front view of specimen holder when friction sample is ball sample；Fig. 6 is rubbing that this utility model embodiment provides
Wipe specimen holder its clamping fixture and top view of specimen holder when friction sample is ball sample.
This utility model embodiment provides a kind of friction specimen holder, and it is used for environment under high pressure frictional testing machine, described in rub
Wipe specimen holder and include that fixture mounting disc 1, clamping fixture 2 and specimen holder 3, described fixture mounting disc 1 are arranged at described high pressure
In lower friction sample driving means 21 in environment frictional testing machine, described fixture mounting disc 1 offers least one set and installs
Hole group, described clamping fixture 2 is fixed on the hole, location 5 in described installing hole group or described by installing hole group described in arbitrary group
Location hole 5 in, described specimen holder 3 is arranged in described clamping fixture 2, and and described clamping fixture 2 between there is gap, under
Friction sample 4 is arranged in described specimen holder 3.
Concrete, as it is shown in figure 1, the frictional testing machine that this utility model embodiment is provided includes that friction sample drives
Device 22, lower friction sample driving means 21 and closing environment under high pressure chamber, upper friction sample 23 is direct by screw and alignment pin
It is fixed on below described upper friction sample driving means 22, and is provided revolving force by described upper friction sample driving means 22, under
Friction sample 4 is then fixed on described lower friction sample driving means 21 by fixture mounting disc 1, clamping fixture 2 and specimen holder 3
On, and by described lower friction sample driving means 21 provide lifting force with loaded load, upper friction sample 23 and lower friction sample 4
Friction test is carried out closing environment under high pressure intracavity.The friction specimen holder that this utility model provides is carried by fixture mounting disc 1
For integrally-built stability, and arranged by the minim gap between clamping fixture 2 and specimen holder 3 so that be positioned at sample
Lower friction sample 4 in fixture 3 can have certain adaptive ability when carrying out friction test, can trim locations voluntarily,
Ensure that between lower friction sample 23 with upper friction sample 4 stable contacts, and the stability that improve friction test is imitated with damping
Really, thus be guaranteed in closing in environment under high pressure chamber the friction test carried out can be properly functioning.
Further, as in figure 2 it is shown, often organize described installing hole group and all include positioning hole 5 and clamping fixture installing hole, institute
Stating lower friction sample 4 and be positioned the position in hole, described location 5, described clamping fixture installing hole is arranged at around hole, described location 5,
And fix described clamping fixture 2.
Further, described clamping fixture installing hole includes block sample holder fixture installing hole 19 or/and ball sample holder
Fixture installing hole 20, in the present embodiment, both are all opened in described fixture mounting disc 1, described piece of sample holder fixture peace
The clamping fixture 2 of dress hole 19 and ball sample holder fixture installing hole 20 fixing corresponding specimen types respectively.
Further, the quantity of described installing hole group is many groups, the holes, location 5 organized in described installing hole group and described folder more
The distance at the center of tool mounting disc 1 is different, along with the difference of lower friction sample 4 installation site, and center of circle distance change, produce
Raw different friction radius, to adapt to different friction test demands.
In a kind of embodiment of the present utility model, as shown in Figure 3,4, when described lower friction sample 4 is block sample, institute
The one end stating block sample is arranged in described specimen holder 3, and the other end contacts to carry out friction test with upper friction sample 23.
Further, described clamping fixture 2 is arranged on hole, described location 5, and described clamping fixture 2 offers a circular arc
Connected in star 6, the bottom surface of described specimen holder 3 is that shape matches with described circular groove 6 and arc length is less than described circular arc
The lower arcuate surface of connected in star 6 arc length, the side of described specimen holder 3 and described circular groove 6 have gap, described arcuate bottom
Face contacts setting with described circular groove 6, in described specimen holder 3 on offer a square groove 7, the one of described piece of sample
End is arranged in described square groove 7.The clamping fixture 2 that the design of this structure makes arc surface contact can be in fortune with specimen holder 3
Disorder of internal organs trim locations voluntarily, to ensure with upper friction sample 23, block sample remains that face contacts.
Further, described clamping fixture 2 offers two screws 8, lay respectively at the two of described circular groove 6
Side, screw is through described screw 8 and is fixed in block sample holder fixture installing hole 19, to be fixed on by described clamping fixture 2
In described fixture mounting disc 1.
Further, the side of described clamping fixture 2 is additionally provided with baffle plate 9, and described baffle plate 9 is positioned at described circular groove 6
Away from the side at the center of described fixture mounting disc 1, the design of baffle plate 9 is in view of in friction process, and upper friction sample 23 is always
According to counter clockwise direction rotation so that specimen holder 3 secundly, and described baffle plate 9 can play and prevent specimen holder 3 landing
Effect.
Further, the bottom of described circular groove 6 is further opened with a bar shaped shallow slot 10, and described bar shaped shallow slot 10 is along institute
State being radially arranged of fixture mounting disc 1, to play the effect of depositing abrasive particles.
In another kind of embodiment of the present utility model, as shown in Figure 5,6, when described lower friction sample 4 is ball sample,
One end of described ball sample is cylindrical end, and the other end is spheric end, and the cylindrical end of described ball sample is arranged at described sample
In fixture 3, the spheric end of described ball sample contacts to carry out friction test with upper friction sample 23.
Further, described clamping fixture 2 includes disc structure 11, cylinder linkage section 12 and clamp structure, described cylinder
Linkage section 12 is arranged at the center of described disc structure 11, and is fixed in hole, described location 5 by described disc structure 11, institute
Stating disc structure 11 and cylinder linkage section 12 heart from which the most vertically offers a slit 13 to edge, described cylinder is even
The side of the section of connecing 12 offers a lateral slot 14, and described clamp structure is positioned at described lateral slot 14, and clamps described cylinder
Linkage section 12, described specimen holder 3 is a cylinder, and described cylinder is described along being axially set in of described cylinder linkage section 12
In cylinder linkage section 12, described cylindrical bottom surface falls within described lateral slot 14, described cylindrical side and described clamping
Having gap between structure, described cylinder is axially arranged with through hole 15 along it, and the cylindrical end of described ball sample is through described logical
Hole 15 is arranged in described cylinder linkage section 12.This structure is designed to avoid specimen holder 3 excessively to rock, and in friction
During reach the effect of vibration damping.
Further, described disc structure 11 is angularly provided with fixing hole 16 along its circumference, and screw passes described fixing hole
16 are fixed in described ball sample holder fixture installing hole 20, so that described clamping fixture 2 is fixed on described fixture mounting disc 1
On.
Further, to include that holder 17 and lock-screw 18, described holder 17 clamp described for described clamp structure
Cylinder linkage section 12, two bare terminal ends of described holder 17 are positioned at described lateral slot 14, and it is corresponding to be respectively equipped with position
Two tapped through holes, described lock-screw 18 tightens up described cylinder linkage section 12, described examination by said two tapped through hole
Between sample fixture 3 and described lock-screw 18, there is gap.The design of this structure is easy to after inserting ball sample pass through lock-screw
Lateral slot 14 is tightened up by 18, and adds the effectiveness in vibration suppression of this friction specimen holder.
Obviously, those skilled in the art can carry out various change and deformation without deviating from this practicality to this utility model
Novel spirit and scope.So, if of the present utility model these amendment and modification belong to this utility model claim and
Within the scope of its equivalent technologies, then this utility model is also intended to comprise these change and modification.
Claims (13)
1. a friction specimen holder, for environment under high pressure frictional testing machine, it is characterised in that include fixture mounting disc, clamping
Fixture and specimen holder, the lower friction sample that described fixture mounting disc is arranged in described environment under high pressure frictional testing machine drives dress
Putting, described fixture mounting disc offers least one set installing hole group, described clamping fixture is by installing hole described in arbitrary group
Group is fixed on the hole, location in described installing hole group or in hole, described location, described specimen holder is arranged at described clamping fixture
In, and and described clamping fixture between there is gap, lower friction sample is arranged in described specimen holder.
Friction specimen holder the most according to claim 1, it is characterised in that described lower friction sample is block sample, described piece
One end of sample is arranged in described specimen holder.
Friction specimen holder the most according to claim 2, it is characterised in that described clamping fixture is arranged at hole, described location
On, described clamping fixture offers a circular groove, the bottom surface of described specimen holder is that shape is recessed with described circular arc
Groove matches and arc length is less than the lower arcuate surface of described circular groove arc length, the side of described specimen holder and described circular arc
Groove has gap, and described lower arcuate surface contacts setting with described circular groove, in described specimen holder on offer a side
Connected in star, one end of described piece of sample is arranged in described square groove.
Friction specimen holder the most according to claim 3, it is characterised in that offer two screws in described clamping fixture,
Laying respectively at the both sides of described circular groove, described clamping fixture is fixed on described fixture through described screw by screw to be installed
On dish.
Friction specimen holder the most according to claim 3, it is characterised in that the side of described clamping fixture is additionally provided with baffle plate,
Described baffle plate is positioned at the described circular groove side away from the center of described fixture mounting disc.
Friction specimen holder the most according to claim 3, it is characterised in that the bottom of described circular groove is further opened with one
Bar shaped shallow slot, described bar shaped shallow slot being radially arranged along described fixture mounting disc.
Friction specimen holder the most according to claim 1, it is characterised in that described lower friction sample is ball sample, described ball
The cylindrical end of sample is arranged in described specimen holder.
Friction specimen holder the most according to claim 7, it is characterised in that described clamping fixture includes disc structure, cylinder
Linkage section and clamp structure, described cylinder linkage section is arranged at the center of described disc structure, and solid by described disc structure
In hole, described location, described disc structure and the cylinder linkage section heart from which the most vertically offer to edge one narrow
Seam, the side of described cylinder linkage section offers a lateral slot, and described clamp structure is positioned at described lateral slot, and clamping residence
Stating cylinder linkage section, described specimen holder is a cylinder, and described cylinder is axially set in institute along described cylinder linkage section
Stating in cylinder linkage section, described cylindrical bottom surface falls within described lateral slot, described cylindrical side and described clamping knot
Having gap between structure, described cylinder is axially arranged with through hole along it, and the cylindrical end of described ball sample sets through described through hole
It is placed in described cylinder linkage section.
Friction specimen holder the most according to claim 8, it is characterised in that described disc structure is angularly provided with along its circumference
Fixing hole, described clamping fixture is fixed in described fixture mounting disc by screw through described fixing hole.
Friction specimen holder the most according to claim 8, it is characterised in that described clamp structure includes holder and locking
Screw, described holder clamps described cylinder linkage section, and two bare terminal ends of described holder are positioned at described lateral slot, and
Being respectively equipped with two tapped through holes that position is corresponding, described lock-screw tightens up described cylinder by said two tapped through hole
Linkage section, has gap between described specimen holder and described lock-screw.
11. according to friction specimen holder according to any one of claim 1 to 10, it is characterised in that often organize described installing hole group
The most also including that clamping fixture installing hole, described lower friction sample are positioned the position in hole, described location, described clamping fixture is installed
Hole is arranged at around hole, described location, and fixing described clamping fixture.
12. according to friction specimen holder described in claim 11, it is characterised in that described clamping fixture installing hole includes block sample
Clamping fixture installing hole is or/and ball sample holder fixture installing hole, described piece of sample holder fixture installing hole and ball sample holder
The clamping fixture of fixture installing hole fixing corresponding specimen types respectively.
13. according to friction specimen holder described in claim 11, it is characterised in that offers in described fixture mounting disc and organizes peace more
Dress hole group, the hole, location in described many group installing hole groups is different with the distance at the center of described fixture mounting disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620741658.2U CN205808827U (en) | 2016-07-14 | 2016-07-14 | Friction specimen holder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620741658.2U CN205808827U (en) | 2016-07-14 | 2016-07-14 | Friction specimen holder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205808827U true CN205808827U (en) | 2016-12-14 |
Family
ID=57511089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620741658.2U Active CN205808827U (en) | 2016-07-14 | 2016-07-14 | Friction specimen holder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205808827U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106840931A (en) * | 2016-12-27 | 2017-06-13 | 北京化工大学 | A kind of oil field many test block friction wear testing machines self-regulation chucks of macromolecular material |
| CN107389435A (en) * | 2017-06-28 | 2017-11-24 | 江苏理工学院 | A kind of sample fixing device of high temperature friction and wear testing machine |
-
2016
- 2016-07-14 CN CN201620741658.2U patent/CN205808827U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106840931A (en) * | 2016-12-27 | 2017-06-13 | 北京化工大学 | A kind of oil field many test block friction wear testing machines self-regulation chucks of macromolecular material |
| CN107389435A (en) * | 2017-06-28 | 2017-11-24 | 江苏理工学院 | A kind of sample fixing device of high temperature friction and wear testing machine |
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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 | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201206 Pudong New Area Jinqiao Ning Road, Shanghai, No. 888 Patentee after: Shanghai Haili Electrical Appliance Co. Ltd. Address before: 201206 Pudong New Area Jinqiao Ning Road, Shanghai, No. 888 Patentee before: Rili Electric Appliance Co., Ltd., Shanghai |