CN205404319U - But X ray photoelectron spectroscopic analysis's fine motion wear test equipment is carried out to normal position - Google Patents
But X ray photoelectron spectroscopic analysis's fine motion wear test equipment is carried out to normal position Download PDFInfo
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- CN205404319U CN205404319U CN201620191341.6U CN201620191341U CN205404319U CN 205404319 U CN205404319 U CN 205404319U CN 201620191341 U CN201620191341 U CN 201620191341U CN 205404319 U CN205404319 U CN 205404319U
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- vacuum chamber
- vacuum
- ray photoelectron
- lower clamp
- spectroscopic analysis
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Abstract
The utility model provides a but X ray photoelectron spectroscopic analysis's fine motion wear test equipment is carried out to normal position which the primary structure is: the well lower part of fine motion abrasion tester's application of force pole and all following parts are sealed the parcel in the vacuum cavity all, install the vacuum meter on the vacuum cavity, the left part of vacuum cavity passes through the connecting pipe and is connected with the vacuum sample cavity of X ray photoelectron spectroscopic analysis appearance, vacuum cavity rear portion and vacuum pump connection, the right part and the magnetic force pole sealing connection of vacuum cavity, the inner chamber cover of magnetic force pole has the outer peripheral face cover crossed belt magnetic magnetic ring of push rod, magnetic force pole, the right part area magnetism of push rod, the left end portion of push rod install can with the engagement device of fine motion abrasion tester's lower anchor clamps block. The device under same vacuum environment, carries out normal position X ray photoelectron spectroscopic analysis to polishing scratch surface and abrasive dust composition after can vacuum fine motion wear test immediately to more accurate, more reliable the reachs fine motion military service performance and the damage mechanism of material at vacuum environment.
Description
Technical field
This utility model relates to fretting wear testing equipment, particularly relates to and belongs to a kind of vacuum fretting wear test method measuring material tangential fretting polishing machine under vaccum working condition, especially research abrasive dust components Evolution.
Background technology
Fretting wear refers to owing to extraneous vibration causes the surface combined closely that the reciprocating motion of micron dimension amplitude occurs.The component of machine that fine motion causes contacts surface breakdown or the crack initiation caused, extension and fracture, will cause that whole movement system lost efficacy.Wherein abrasive dust formation and oxidation in fretting wear process, play material impact.
Under different vacuums, partial pressure of oxygen and inert ambient environment, between the material contacted with each other, the formation of abrasive dust and oxidation there are differences, and make Fretting that notable change to occur.Existing fretting apparatus, contain tangentially, radially, torsion, four classes such as rolling, it is possible to real-time testing goes out the coefficient of friction of material in atmospheric environment or etchant solution, and calculates the wear rate of material after having tested.Also after test completes, test specimen X-ray diffraction facies analysis or X-ray photoelectron spectroscopic analysis (XPS, X-rayphotoelectronspectroscopy) can be taken out, worn-out surface and abrasive dust carried out component analysis.But the test of test specimen, taking fortune process and be all exposed in atmospheric environment, air is very easily attached to surface of test piece, and the worn-out surface of test specimen is subject to air pollution, it is impossible to accurately measure abrasive dust components and the development law thereof of test specimen fine motion military service under vacuum conditions.
Along with the development of space flight and aviation, increasing machinery (aircraft, rocket, satellite) is on active service under vacuum and hypobaric.Needing to measure more accurately abrasive dust components and the development law thereof of test specimen fine motion military service under vacuum conditions, thus showing that material is at the fine motion military service performance of vacuum environment and micromechanism of damage thereof, providing reliable data supporting for improving its service life.
Utility model content
Goal of the invention of the present utility model there are provided and a kind of original position can carry out the fretting wear testing equipment of X-ray photoelectron spectroscopic analysis.This device can carry out under different vacuum environment, and the fretting wear of Different Plane material and sphere material is tested;And after off-test, worn-out surface and abrasive dust components under same vacuum environment, can carry out the X-ray photoelectron spectroscopic analysis of original position, thus more accurate, more reliable show that material is at the fine motion military service performance of vacuum environment and micromechanism of damage thereof.
This utility model realizes above-mentioned purpose and be employed technical scheme comprise that, a kind of original position can carry out the fretting wear testing equipment of X-ray photoelectron spectroscopic analysis, including the force application rod on X-ray photoelectron spectroscopic analysis instrument, fretting apparatus, fretting apparatus, three-dimensional force sensor, upper fixture, lower clamp and lower clamp fixed mechanism, it is characterised in that:
The middle and lower part of described force application rod and three-dimensional force sensor, upper fixture, lower clamp and the equal sealed envelope of lower clamp fixed mechanism are in vacuum chamber, and the bottom of vacuum chamber is arranged on the top of the pedestal of box;
Being provided with vacuometer on described vacuum chamber, the left part of vacuum chamber is provided with the connecting tube of level, and connecting tube is connected with the vacuum sample cavity of X-ray photoelectron spectroscopic analysis instrument by flange;Described vacuum chamber is connected with vacuum pump also by the flange at rear portion;
The right part of described vacuum chamber and magnetic rod are tightly connected;The inner chamber of magnetic rod is cased with square push rod, the magnetic magnetic ring of outer peripheral face fit of magnetic rod;The right part carrying magnetic of push rod, push rod stretches into the left part of vacuum chamber and is provided with the clamping close device that can engage with the lower clamp of fretting apparatus.
Work process of the present utility model and principle be:
By spherical upper specimen holder on upper fixture, block lower specimen holder is on lower clamp;Again lower clamp is fixed on lower clamp fixed mechanism;Then force application rod moves down test specimen spherical, block contact, and is applied the load set straight down by force application rod.Open vacuum pump, when gauge reading reaches setting value, close vacuum pump.Drive the reciprocal fine motion in the horizontal direction of lower clamp and spherical test specimen thereof by lower clamp fixed mechanism, carry out the fretting wear test between two test specimens;Meanwhile, three-dimensional force sensor measures the direct stress between two test specimens and frictional force.
After fretting test terminates, it is moved to the left the magnetic ring on magnetic rod, makes the clamping close device of the push rod of magnetic rod inner sleeve be moved to the left and engage with lower clamp;Open the valve of the left part connecting tube of vacuum chamber, continue the magnetic ring being moved to the left on magnetic rod, make push rod lower clamp and lower test specimen thereof be sent in the vacuum sample cavity of X-ray photoelectron spectroscopic analysis instrument, finally enter analysis cavity.Test specimen worn-out surface under bulk and abrasive dust are carried out component analysis by X-ray photoelectron spectroscopic analysis instrument immediately.Fretting test and two processes of x-ray photoelectron analysis are spatially positioned in the same vacuum environment being interconnected, and the time then one in front and one in back carries out in succession;Worn-out surface and abrasive dust are in whole experimentation the pollution being not affected by atmospheric environment, it is achieved thereby that the in situ X-ray diffraction XPS Analysis of fretting wear test.
Compared with prior art, the beneficial effects of the utility model are:
Vacuum fretting test machine and x-ray photoelectron spectroscopy are combined as a whole by this device, test specimen spherical, block first carries out fretting test under different vacuum environment, after fretting test completes, directly block sample is directly sent into from vacuum chamber the vacuum sample cavity of X-ray photoelectron spectroscopic analysis instrument, finally enter analysis cavity, carry out the X-ray photoelectron spectroscopic analysis of worn-out surface and abrasive dust immediately.Fretting test and two processes of x-ray photoelectron analysis are in the same vacuum environment being interconnected, one in front and one in back in succession carry out, worn-out surface and abrasive dust are in whole experimentation the pollution being not affected by atmospheric environment, it is achieved that the in situ X-ray diffraction XPS Analysis of fretting wear test;It is thus possible to measure abrasive dust components and the development law thereof of test specimen fine motion military service under vacuum conditions more accurately, show that material is at the fine motion military service performance of vacuum environment and micromechanism of damage thereof more reliably, the parts design be on active service for fine motion under vacuum environment, manufacture and provide more reliable data to support.
The concrete structure of above-mentioned clamping close device is:
The left part of push rod is fixed with posting level, rectangle, is provided with the locating dowel that the hole, location with lower clamp is mated in the middle part of the left bar of posting;The interior cavity inner sleeve circular shaft of push rod;The right part carrying magnetic of circular shaft, left end fix connecting eccentric wheel;Eccentric is positioned at posting, is also connected with the copper sheet of level bottom the left end of push rod, and the left part of copper sheet is positioned at the lower section of locating dowel, and the left part of copper sheet is upwards bent to form to the right the pocket matches bottom grab, described grab and lower clamp.
Work process and the principle of this clamping close device be:
Rotation magnetic force ring controls circular shaft band movable eccentric wheel and rotates, and then is made copper sheet be bent downwardly by eccentric outer rim, makes copper sheet in the follow-up stop that can avoid lower clamp end when being moved to the left.Then, be moved to the left magnetic ring make push rod move horizontally to the left, locating dowel insert lower clamp hole, location, the grab of copper sheet left end moves the underface to lower clamp draw-in groove;Opposite direction rotation magnetic force ring makes circular shaft opposite direction rotate again, makes eccentric outer rim restore to the original state away from copper sheet, copper sheet, and the grab of copper sheet pops up and then hook the draw-in groove bottom lower clamp, completes the engaging of push rod and lower clamp.
In a word, the peripheral operation by the magnetic rod magnetic magnetic ring of side face fit of this clamping close device, the motion of the circular shaft of vacuum chamber, push rod and lower clamp, lower test specimen is driven by magneticaction.Thus achieving test specimen controlled motion in vacuum environment simply and easily, after fretting test is completed, directly block test specimen directly can be sent into from vacuum chamber the vacuum sample cavity of X-ray photoelectron spectroscopic analysis instrument easily, carry out the X-ray photoelectron spectroscopic analysis of worn-out surface and abrasive dust.Ensure that fretting test and two processes of x-ray photoelectron analysis in the same vacuum environment being interconnected, one in front and one in back can carry out in succession.
The middle and lower part sealed envelope of above-mentioned force application rod concrete structure in vacuum chamber is:
The top of described force application rod passes the upper connector of vacuum chamber, and force application rod passes the part overcoat corrugated tube of vacuum chamber;The upper end of corrugated tube and force application rod are tightly connected, and the upper connector of the lower end of corrugated tube and vacuum chamber is tightly connected.
So, corrugated tube can along with force application rod vertical motion telescopic variation, make the loading between test specimen and unloading be achieved simply and easily, and vacuum environment can be maintained.
The composition of above-mentioned lower clamp fixed mechanism is:
Base is fixed on the trestle table of vacuum chamber, and piezoelectric ceramic actuator is installed in the front portion of base upper surface;The rear end of piezoelectric ceramic actuator is fixing with holder to be connected;Being connected with base by line slide rail bottom holder, the front portion of holder is provided with the front wall raised up;After activity, the transverse slider bottom retaining wall coordinates with the horizontal concrete chute at the middle part of holder, and the rear portion of holder is fixed with a bracer;The top propping up bracer is hinged with the front portion of latch segment;The nose threads of latch segment connects lock-screw;The termination of lock-screw props up after activity after retaining wall, and the termination of lock-screw is hemispherical;The hinge of the rear end of latch segment coordinates with the connection elongated slot of pull bar bottom;Pull bar upper end and force application rod lower hinge;The L-type cushion block that two breach are relative is placed between front wall with retaining wall after activity;Lower clamp is placed between the breach of two L-type cushion blocks.
Work process and the principle of this lower clamp fixed mechanism be:
Before fretting test starts, two L-type cushion block breach are put in relatively after front shelves wall and activity between shelves wall, then the lower clamp being placed with under bulk test specimen are put between the breach of two L-type cushion blocks;By latch segment leveling and tighten, make retaining wall after the activity that holds out against from back to front of latch segment level, and then make retaining wall and the lower test specimen of front wall clamping after activity.Restarting piezoelectric ceramic actuator makes holder and lower clamp thereof do linear reciprocating motion, it is achieved under block, test specimen is tested with the fretting wear of spherical upper test specimen.
After fretting test terminates, the clamping close device of the left end of push rod is engaged with lower clamp right-hand member.Then control force application rod to move straight up, drive and pull bar moves, make the rear end of latch segment to be moved and front end moves down;The button-head of the lock-screw of latch segment front end is also rotated down centered by the latch segment hinged place with bracer, the rear surface of retaining wall after disengaging activity, thus release to after activity retaining wall hold out against effect;After activity, retaining wall no longer clamps lower clamp and lower test specimen, and lower clamp fixed mechanism releases fixing lower clamp.Again through the effect of magnetic ring and push rod lower clamp and lower test specimen delivered in the vacuum sample cavity of X-ray photoelectron spectroscopic analysis instrument.
This lower clamp fixed structure, simply achieves the fixing releasing to lower examination tool, and can completely keeps vacuum environment again simultaneously.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the A-A sectional structure schematic diagram of Fig. 1.
The structure for amplifying schematic diagram of Fig. 3 clamping close device of the present utility model.
Corresponding to test specimen under being of label 27 in Fig. 2, Fig. 3.
Detailed description of the invention
Embodiment
Fig. 1-3 illustrates, a kind of detailed description of the invention of the present utility model, a kind of original position can carry out the fretting wear testing equipment of X-ray photoelectron spectroscopic analysis, including the force application rod 9 on X-ray photoelectron spectroscopic analysis instrument, fretting apparatus, fretting apparatus, three-dimensional force sensor 7, upper fixture 6, lower clamp 29 and lower clamp fixed mechanism, it is characterised in that:
The middle and lower part of described force application rod 9 and three-dimensional force sensor 7, upper fixture 6, lower clamp 29 and the equal sealed envelope of lower clamp fixed mechanism are in vacuum chamber 3, and the bottom of vacuum chamber 3 is arranged on the top of the pedestal 1 of box;
Being provided with vacuometer 28 on described vacuum chamber 3, the left part of vacuum chamber 3 is provided with the connecting tube 3a of level, connecting tube 3a and is connected with the vacuum sample cavity of X-ray photoelectron spectroscopic analysis instrument by flange;Described vacuum chamber 3 is connected with vacuum pump also by the flange 3b at rear portion;
The right part of described vacuum chamber 3 and magnetic rod 13 are tightly connected;The inner chamber of magnetic rod 13 is cased with square push rod 15, the magnetic magnetic ring 14 of outer peripheral face fit of magnetic rod 13;The right part carrying magnetic of push rod 15, push rod 15 stretches into the left part of vacuum chamber 3 and is provided with the clamping close device that can engage with the lower clamp 29 of fretting apparatus.
The concrete structure of the clamping close device of this example is:
The left part of push rod 15 is fixed with level, rectangle posting 10, is provided with the locating dowel 10a mated of the location hole 29a with lower clamp 29 in the middle part of the left bar of posting 10;The interior cavity inner sleeve circular shaft 12 of push rod 15;The right part carrying magnetic of circular shaft 12, left end fix connecting eccentric wheel 11;Eccentric 11 is positioned at posting 10, the copper sheet 16 of level also it is connected with bottom the left end of push rod 15, the left part of copper sheet 16 is positioned at the lower section of locating dowel 10a, and the left part of copper sheet 16 is upwards bent to form to the right grab 16a, and described grab 16a mates with the draw-in groove 29b bottom lower clamp 29.
The middle and lower part sealed envelope of the force application rod 9 of this example concrete structure in vacuum chamber 3 is:
The top of described force application rod 9 passes the upper connector of vacuum chamber 3, and force application rod 9 passes the part overcoat corrugated tube 26 of vacuum chamber 3;The upper end of corrugated tube 26 and force application rod 9 are tightly connected, and the upper connector of the lower end of corrugated tube 26 and vacuum chamber 3 is tightly connected.
The composition of the lower clamp fixed mechanism of this example is:
Base 18 is fixed on the trestle table 2 of vacuum chamber 3, and piezoelectric ceramic actuator 4 is installed in the front portion of base 18 upper surface;The rear end of piezoelectric ceramic actuator 4 is fixing with holder 20 to be connected;Being connected with base 18 by line slide rail 19 bottom holder 20, the front portion of holder 20 is provided with the front wall 20a raised up;After activity, the transverse slider bottom retaining wall 20b coordinates with the horizontal concrete chute at the middle part of holder 20, and the rear portion of holder 20 is fixed with a bracer 21;The top propping up bracer 21 is hinged with the front portion of latch segment 23;The nose threads of latch segment 23 connects lock-screw 24;The termination of lock-screw 24 props up after activity after retaining wall 20b, and the termination of lock-screw 24 is hemispherical;The hinge 22 of the rear end of latch segment 23 coordinates with the connection elongated slot of pull bar 25 bottom;Pull bar 25 upper end and force application rod 9 lower hinge;Front wall 20a and the L-type cushion block 17 that after activity, between retaining wall 20b, two breach of placement are relative;Lower clamp 29 is placed between the breach of two L-type cushion blocks 17.
Claims (4)
1. one kind original position can carry out the fretting wear testing equipment of X-ray photoelectron spectroscopic analysis, including the force application rod (9) on X-ray photoelectron spectroscopic analysis instrument, fretting apparatus, fretting apparatus, three-dimensional force sensor (7), upper fixture (6), lower clamp (29) and lower clamp fixed mechanism, it is characterised in that:
The middle and lower part of described force application rod (9) and three-dimensional force sensor (7), upper fixture (6), lower clamp (29) and the equal sealed envelope of lower clamp fixed mechanism are in vacuum chamber (3), and the bottom of vacuum chamber (3) is arranged on the top of the pedestal (1) of box;
Described vacuum chamber (3) is provided with vacuometer (28), the left part of vacuum chamber (3) is provided with the connecting tube (3a) of level, and connecting tube (3a) is connected with the vacuum sample cavity of X-ray photoelectron spectroscopic analysis instrument by flange;Described vacuum chamber (3) is connected with vacuum pump also by the flange (3b) at rear portion;
The right part of described vacuum chamber (3) and magnetic rod (13) are tightly connected;The inner chamber of magnetic rod (13) is cased with square push rod (15), the magnetic magnetic ring of the outer peripheral face fit (14) of magnetic rod (13);The right part carrying magnetic of push rod (15), push rod (15) stretches into the left part of vacuum chamber (3) and is provided with the clamping close device that can engage with the lower clamp (29) of fretting apparatus.
2. original position can carry out the fretting wear testing equipment of X-ray photoelectron spectroscopic analysis as claimed in claim 1, it is characterised in that the concrete structure of described clamping close device is:
The left part of push rod (15) is fixed with level, rectangle posting (10), is provided with the locating dowel (10a) that the hole, location (29a) with lower clamp (29) is mated in the middle part of the left bar of posting (10);The interior cavity inner sleeve circular shaft (12) of push rod (15);The right part carrying magnetic of circular shaft (12), left end fix connecting eccentric wheel (11);Eccentric (11) is positioned at posting (10), the copper sheet (16) of level also it is connected with bottom the left end of push rod (15), the left part of copper sheet (16) is positioned at the lower section of locating dowel (10a), and the left part of copper sheet (16) is upwards bent to form to the right grab (16a), described grab (16a) mates with the draw-in groove (29b) of lower clamp (29) bottom.
3. original position can carry out the fretting wear testing equipment of X-ray photoelectron spectroscopic analysis as claimed in claim 1, it is characterised in that the middle and lower part sealed envelope of described force application rod (9) concrete structure in vacuum chamber (3) is:
The top of described force application rod (9) passes the upper connector of vacuum chamber (3), and force application rod (9) passes part overcoat corrugated tube (26) of vacuum chamber (3);The upper end of corrugated tube (26) and force application rod (9) are tightly connected, and the upper connector of the lower end of corrugated tube (26) and vacuum chamber (3) is tightly connected.
4. original position can carry out the fretting wear testing equipment of X-ray photoelectron spectroscopic analysis as claimed in claim 1, it is characterised in that the composition of described lower clamp fixed mechanism is:
Base (18) is fixed on the trestle table (2) of vacuum chamber (3), and piezoelectric ceramic actuator (4) is installed in the front portion of base (18) upper surface;The rear end of piezoelectric ceramic actuator (4) is fixing with holder (20) to be connected;Holder (20) bottom is connected with base (18) by line slide rail (19), and the front portion of holder (20) is provided with the front wall (20a) raised up;After activity, the transverse slider of retaining wall (20b) bottom coordinates with the horizontal concrete chute at the middle part of holder (20), and the rear portion of holder (20) is fixed with a bracer (21);The top propping up bracer (21) is hinged with the front portion of latch segment (23);The nose threads of latch segment (23) connects lock-screw (24);The termination of lock-screw (24) props up after activity after retaining wall (20b), and the termination of lock-screw (24) is hemispherical;The hinge (22) of the rear end of latch segment (23) coordinates with the connection elongated slot of pull bar (25) bottom;Pull bar (25) upper end and force application rod (9) lower hinge;The L-type cushion block (17) that two breach are relative is placed between front wall (20a) with retaining wall after activity (20b);Lower clamp (29) is placed between the breach of two L-type cushion blocks (17).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201620191341.6U CN205404319U (en) | 2016-03-14 | 2016-03-14 | But X ray photoelectron spectroscopic analysis's fine motion wear test equipment is carried out to normal position |
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CN201620191341.6U CN205404319U (en) | 2016-03-14 | 2016-03-14 | But X ray photoelectron spectroscopic analysis's fine motion wear test equipment is carried out to normal position |
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CN201620191341.6U Withdrawn - After Issue CN205404319U (en) | 2016-03-14 | 2016-03-14 | But X ray photoelectron spectroscopic analysis's fine motion wear test equipment is carried out to normal position |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105606477A (en) * | 2016-03-14 | 2016-05-25 | 西南交通大学 | Fretting wear test device capable of conducting X-ray photoelectron spectroscopy analysis in situ |
CN112945844A (en) * | 2021-02-20 | 2021-06-11 | 青岛科技大学 | Vacuum high-temperature reciprocating type friction and wear testing system |
-
2016
- 2016-03-14 CN CN201620191341.6U patent/CN205404319U/en not_active Withdrawn - After Issue
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105606477A (en) * | 2016-03-14 | 2016-05-25 | 西南交通大学 | Fretting wear test device capable of conducting X-ray photoelectron spectroscopy analysis in situ |
CN105606477B (en) * | 2016-03-14 | 2018-07-06 | 西南交通大学 | The fretting wear experimental rig of X-ray photoelectron spectroscopic analysis can be carried out in situ |
CN112945844A (en) * | 2021-02-20 | 2021-06-11 | 青岛科技大学 | Vacuum high-temperature reciprocating type friction and wear testing system |
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Granted publication date: 20160727 Effective date of abandoning: 20180706 |
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