CN105716981B - A kind of vertical magnetic screen reciprocating friction abrasion tester - Google Patents
A kind of vertical magnetic screen reciprocating friction abrasion tester Download PDFInfo
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- CN105716981B CN105716981B CN201610228098.5A CN201610228098A CN105716981B CN 105716981 B CN105716981 B CN 105716981B CN 201610228098 A CN201610228098 A CN 201610228098A CN 105716981 B CN105716981 B CN 105716981B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/56—Investigating resistance to wear or abrasion
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
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Abstract
The present invention proposes a kind of vertical magnetic screen reciprocating friction abrasion tester, including：Rack, including top plate, intermediate plate and bottom plate, are connected by supporting rod between intermediate plate and bottom plate, supporting vertical plate are equipped between top plate；Reciprocator, including a polished rod and one, for loading the slide of block sample, polished rod is fixed between the rear end and intermediate plate of top plate, and slide is mobile to be set on polished rod；Friction-loaded mechanism, equipped with a pressure head component, a lever, a supporting mechanism and a displacement loading device, one thermocouple temperature sensor is installed in pressure head component, its is mobile to be arranged in supporting vertical plate, the front end of pressure head component is articulated with lever, its rear end is for load pin sample, and it can be in contact with slide, the upper end of lever is articulated at the axle bed of top plate front end installation, its lower end is connected with displacement loading device, supporting mechanism is in contact with the trailing flank of lever, and the upper end is articulated in supporting vertical plate；Magnetic shielding cover is positioned on intermediate plate.
Description
Technical field
The invention belongs to friction wear testing machine technical fields, in particular to a kind of vertical magnetic screen reciprocating friction
Abrasion tester can simulate sample reciprocating friction phenomenon, and in the case where shielding earth's magnetic field, and monitoring sample is in fretting wear
The situation of change of Surface field in journey, temperature and surface topography.
Background technology
Ferrimagnet will produce a kind of spontaneous magnetic field when by fretting wear, magnetize to study this friction
The influence of external magnetic field in journey need to carry out frictional wear experiment under conditions of shielding external magnetic field to ferrimagnet.
Existing friction wear testing machine various types, are widely used, but dedicated for research metal material friction magnetization
The equipment of mechanism is fewer, and these equipment have it is clearly disadvantageous.As disclosed in China Patent No. 201410053609.5
" a kind of magnetic screen combined type friction wear testing machine " drives sample to do by the way that the cylinder on top layer platform and piston rod is arranged
It moves back and forth, reciprocating speed is difficult control, and the shielding case Magnetic Shielding Effectiveness used is not especially desirable；In addition, above-mentioned examination
The machine of testing cannot monitor modification of surface morphology of the sample in friction process.
In view of this, the present inventor develops one according to the production design experience for being engaged in this field and related field for many years
The vertical magnetic screen reciprocating friction abrasion tester of kind, it is of the existing technology to solve the problems, such as.
Invention content
The purpose of the invention is to provide a kind of vertical magnetic screen reciprocating friction abrasion testers, can be in armoured magnetic field
In the case of, sample reciprocating friction phenomenon is simulated, monitoring sample surface temperature in process of friction and wear changes, and controls as needed
The friction velocity of sample processed provides foundation for friction magnetization mechanism research.
For this purpose, the present invention proposes a kind of vertical magnetic screen reciprocating friction abrasion tester, it includes：
Rack, including top plate, intermediate plate and bottom plate, are connected between the intermediate plate and the bottom plate by supporting rod
It connects, is installed on the intermediate plate and be equipped with a central floor panel, supporting vertical plate is installed between the central floor panel and the top plate；
Reciprocator, including a polished rod and one, for loading the slide of block sample, the polished rod is fixed on the top plate
Between rear end and the central floor panel, the slide is mobile to be set on the polished rod, in the drive of a driving device
Under vertically move back and forth；
Friction-loaded mechanism can be adjusted between the lever and the supporting vertical plate equipped with a pressure head component, a lever, one
The supporting mechanism of distance and one it can make the displacement loading device that the lever is moved towards the supporting vertical plate, the pressure head component
In a thermocouple temperature sensor is installed, it is mobile to be arranged in the supporting vertical plate, the front end of the pressure head component and institute
It states lever to be articulated, its rear end can be in contact for load pin sample with the slide, and the upper end of the lever is articulated in described
At the axle bed of top plate front end installation, lower end is connected with the displacement loading device, the supporting mechanism and the lever
Trailing flank is in contact, and the upper end is articulated in the supporting vertical plate；
Magnetic shielding cover is positioned on the intermediate plate, can be provide with the top plate, supporting vertical plate, reciprocator and be rubbed
Wipe load maintainer.
Vertical magnetic screen reciprocating friction abrasion tester as described above, wherein the driving device includes：
One servo motor is mounted on by motor fixing plate on the bottom plate, and motor output shaft is in horizontal positioned；
One eccentric cam, the eccentric cam are arranged on the motor output shaft for being fixed on the servo motor；
One connecting rod, the lower end of the connecting rod, which is arranged, to be fixed on the eccentric cam, and the upper end mobile is worn by one
It is connected with the slide set on the intermediate plate and the body of rod of the central floor panel；
One linear bearing, is set on the body of rod, vertically wears and is fixed on the intermediate plate and the centre
Bottom plate.
Vertical magnetic screen reciprocating friction abrasion tester as described above, wherein the body of rod includes a push rod and one
Connector, the upper end of the push rod are connected with the slide, and lower end is bolted in the upper end of the connector, the connector
Lower end be connected to the upper end of the connecting rod, it is mobile to be arranged in the linear bearing.
Vertical magnetic screen reciprocating friction abrasion tester as described above, wherein the supporting mechanism includes a support
The upper end of rocking bar, a connecting rod and an adjusting screw rod, the supporting crank is articulated in the supporting vertical plate, lower end and the thick stick
The trailing flank of bar is in contact, and what the connecting rod can move up and down is articulated in the open slot that the supporting vertical plate lower end is formed,
Upper end is articulated with the supporting crank, and the adjusting screw rod is vertically arranged in the intermediate plate and the central floor panel, and
It is threadedly coupled with the central floor panel, the upper end and the lower end of the connecting rod abut against, wherein the connecting rod and the support are shaken
The articulated section of bar is equal to the one third of the supporting crank length at a distance from the supporting crank upper end.
Vertical magnetic screen reciprocating friction abrasion tester as described above, wherein the loading device includes a steel wire
Rope, at least two fixed pulleys and a weight tray, wherein a fixed pulley is mounted on the trailing flank of the supporting vertical plate, remaining
The fixed pulley is fixed on the bottom surface of the intermediate plate, and the steel wire rope is set around each fixed pulley, one end water successively
It is flat to be arranged in the supporting vertical plate, and be connected with the lower end of the lever, the other end be vertically arranged in it is described in
Between plate and the central floor panel, and be connected at the weight tray.
Vertical magnetic screen reciprocating friction abrasion tester as described above, wherein the pressure head component includes one hollow
Compression bar and a sliding sleeve, the sliding sleeve is embedded in the horizontal direction is fixed on the supporting vertical plate, and the hollow compression bar is mobile to be worn
Set on the sliding sleeve, inside be placed with the thermocouple temperature sensor, the lever be equipped with one penetrate through its leading flank and after
The front end of the straight slot of side, the hollow compression bar is stretched into the straight slot, and is articulated with the side wall of the straight slot, its rear end
Be bolted with one for installing the switching pullover of sample by internal thread at port, wherein the straight slot and the lever upper end away from
From equal to the one third of the lever length.
Vertical magnetic screen reciprocating friction abrasion tester as described above, wherein be additionally provided with a testing agency, the detection
Mechanism, which includes a lifting platform driven by stepper motors and one, can detect the magnetic memory signal inspection in described piece of specimen surface magnetic field
Device is surveyed, the magnetic memory detection device is mounted on the lifting platform, is located in the magnetic shielding cover with the lifting platform.
Vertical magnetic screen reciprocating friction abrasion tester as described above, wherein the stepper motor passes through stepper motor
Fixed plate is vertically arranged on the bottom surface of the intermediate plate, and output shaft is a leading screw, and the leading screw is arranged in the intermediate plate
And the central floor panel, the upper end are connected by shaft end fixed seat with the supporting vertical plate；
The lifting platform includes a lifting nut and an elevator, and the lifting nut is bolted on the leading screw,
It is connected with the elevator, and the elevator is set on the leading screw, is connected with a sliding block, and the sliding block can be solid
It is vertically moved due on the guide rail of the supporting vertical plate side, the leading flank of the elevator has protruded out a support plate, institute
It states support plate and is connected with a sensor fixed seat, the sensor fixed seating is between the slide and the supporting vertical plate；
The magnetic memory signal detection device includes that there are three Magnetic memory testing sensor, each Magnetic memory testing sensings
Device is installed successively by the leading flank of upper surface to the sensor fixed seat of the sensor fixed seat.
Vertical magnetic screen reciprocating friction abrasion tester as described above, wherein the testing agency is additionally provided with a number
Microscope, what the digit microscope can rotate is installed on a lens fixing base, and be tilted down setting, and the camera lens is solid
Reservation is installed on the top of the supporting vertical plate leading flank, between the slide and the supporting vertical plate.
The vertical magnetic screen reciprocating friction abrasion tester of the present invention, by the way that rack, reciprocator, friction-loaded machine is arranged
Structure, magnetic shielding cover and testing agency can simulate sample reciprocating friction phenomenon, and monitor sample in the case of armoured magnetic field
The situation of change of Surface field, temperature field and surface topography in process of friction and wear, for friction magnetization mechanism research provide according to
According to.Wherein, according to experiment needs, can control reciprocator moves up and down speed；By adjusting in the friction-loaded mechanism
Adjusting screw rod, it may be convenient under conditions of not removing magnetic shielding cover, by the separation of pin sample and block sample, simple side
Just；The magnetic shielding cover is made of non-magnetic material, and surfaces externally and internally all pastes the thin slice of high magnetic conductance material making, is had very
Good Magnetic Shielding Effectiveness；The testing agency monitoring can sell sample under conditions of not unloading sample and removing magnetic shielding cover
Temperature, behavior of the observation sample in friction process.
Description of the drawings
The following drawings are only intended to schematically illustrate and explain the present invention, not delimit the scope of the invention.Wherein：
Fig. 1 a are the stereoscopic schematic diagram (one) of the vertical magnetic screen reciprocating friction abrasion tester of the present invention.
Fig. 1 b are the stereoscopic schematic diagram (two) of the vertical magnetic screen reciprocating friction abrasion tester of the present invention, are not shown in figure
Magnetic shielding cover.
Fig. 1 c are rack stereoscopic schematic diagram in the present invention.
Fig. 2 a are the three-dimensional composition schematic diagram of reciprocator in the present invention.
Fig. 2 b are the composed structure schematic diagram of reciprocator in the present invention.
Fig. 3 a are the three-dimensional composition schematic diagram of friction-loaded mechanism in the present invention.
Fig. 3 b are the side view of friction-loaded mechanism in the present invention.
Fig. 3 c are another side view of friction-loaded mechanism in the present invention.
Fig. 3 d are the sectional view of the line A-A along Fig. 3 c.
Fig. 4 is the sectional view of pressure head component in the present invention.
Fig. 5 a are the three-dimensional composition schematic diagram of testing agency in the present invention.
Fig. 5 b are the side view of testing agency in the present invention.
Main element label declaration：
1 rack, 11 top plate
111 axle bed, 12 intermediate plate
121 central floor panel, 13 bottom plate
14 supporting rod, 15 supporting vertical plate
151 open slot, 16 fixed link plate
17 lower margin, 2 reciprocator
21 polished rod, 22 slide
23 servo motor, 231 motor fixing plate
24 eccentric cam, 25 connecting rod
26 linear bearing, 27 push rod
28 connector, 3 friction-loaded mechanism
30 thermocouple temperature sensor, 31 pressure head component
311 hollow compression bar, 312 sliding sleeve
313 switching 32 levers of pullover
321 straight slot, 33 supporting crank
34 connecting rod, 35 adjusting screw rod
36 steel wire rope, 37 fixed pulley
38 weight tray, 4 magnetic shielding cover
5 testing agency, 51 stepper motor
511 stepper motor fixed plate, 512 leading screw
513 shaft end fixed seat, 52 lifting nut
53 elevator, 531 sliding block
532 guide rail, 533 support plate
534 sensor fixed seat, 54 Magnetic memory testing sensor
55 digit microscope, 551 lens fixing base
Specific implementation mode
The present invention proposes a kind of vertical magnetic screen reciprocating friction abrasion tester, it includes：Rack, including top plate, centre
Plate and bottom plate are connected between the intermediate plate and the bottom plate by supporting rod, are installed and are equipped in one on the intermediate plate
Between bottom plate, supporting vertical plate is installed between the central floor panel and the top plate；Reciprocator, including a polished rod and one is for dress
The slide of block sample is carried, the polished rod is fixed between the rear end and the central floor panel of the top plate, and the slide can move
Be set on the polished rod, vertically moved back and forth under the drive of a driving device；Friction-loaded mechanism, is equipped with
One pressure head component, a lever, one can adjust between the lever and the supporting vertical plate supporting mechanism of distance and one can make
The displacement loading device that the lever is moved towards the supporting vertical plate is equipped with a thermocouple temperature sensing in the pressure head component
Device, mobile to be arranged in the supporting vertical plate, the front end of the pressure head component is articulated with the lever, and its rear end is for dress
Pin sample is carried, and can be in contact with the slide, the upper end of the lever is articulated at the axle bed of the top plate front end installation,
Lower end is connected with the displacement loading device, and the supporting mechanism is in contact with the trailing flank of the lever, the upper end pivot joint
In the supporting vertical plate；Magnetic shielding cover is positioned on the intermediate plate, be provide with the top plate, supporting vertical plate, reciprocator with
And friction-loaded mechanism.
The vertical magnetic screen reciprocating friction abrasion tester of the present invention it is past can to simulate sample in the case of armoured magnetic field
Multiple friction phenomenon monitors sample surface temperature field in process of friction and wear, and the friction velocity of Control Assay as needed, is
The magnetization mechanism research that rubs provides foundation.
For this purpose, for a clearer understanding of the technical characteristics, objects and effects of the present invention, below in conjunction with attached drawing and
Preferred embodiment, to specific implementation mode, structure, the feature of vertical magnetic screen reciprocating friction abrasion tester proposed by the present invention
And effect, it is described in detail as after.In addition, by the explanation of specific implementation mode, when predetermined purpose institute can be reached to the present invention
The technological means and effect taken are able to more deeply specific understanding, however institute's attached drawing is only to provide reference and description use, and
It is non-to be used for limiting the present invention.
Fig. 1 a are the stereoscopic schematic diagram (one) of the vertical magnetic screen reciprocating friction abrasion tester of the present invention.Fig. 1 b are this hair
The stereoscopic schematic diagram (two) of bright vertical magnetic screen reciprocating friction abrasion tester, is not shown in figure magnetic shielding cover.Fig. 1 c are this
Rack stereoscopic schematic diagram in invention.Fig. 2 a are the three-dimensional composition schematic diagram of reciprocator in the present invention.Fig. 2 b are past in the present invention
It answers a pager's call the composed structure schematic diagram of structure.Fig. 3 a are the three-dimensional composition schematic diagram of friction-loaded mechanism in the present invention.Fig. 3 b are this hair
The side view of Ming Zhong friction-loadeds mechanism.Fig. 3 c are another side view of friction-loaded mechanism in the present invention.Fig. 3 d are along Fig. 3 c
The sectional view of middle line A-A.Fig. 4 is the sectional view of pressure head component in the present invention.Fig. 5 a are three-dimensional group of testing agency in the present invention
At schematic diagram.Fig. 5 b are the side view of testing agency in the present invention.
As shown in Fig. 1 a-3a, vertical magnetic screen reciprocating friction abrasion tester proposed by the present invention, it includes racks 1, past
It answers a pager's call structure 2, friction-loaded mechanism 3 and magnetic shielding cover 4, wherein：
The rack 1 includes top plate 11, intermediate plate 12 and bottom plate 13, is led between the intermediate plate 12 and the bottom plate 13
It crosses supporting rod 14 to be connected, installation is equipped with a central floor panel 121, the central floor panel 121 and the top on the intermediate plate 12
Supporting vertical plate 15 is installed between plate 11；
The reciprocator 2 includes slide 22 of the polished rod 21 and one for loading block sample, and the polished rod 21 is fixed on
Between the rear end of the top plate 11 and the central floor panel 121, the slide 22 is mobile to be set on the polished rod 21,
It is vertically moved back and forth under the drive of a driving device；
The friction-loaded mechanism 3 is equipped with a pressure head component 31, a lever 32, one can adjust the lever 32 and the branch
Between support riser 15 supporting mechanism of distance and one the lever 32 can be made move towards the supporting vertical plate 15 displacement load
Device is equipped with a thermocouple temperature sensor 30 in the pressure head component 31, mobile to be arranged in the supporting vertical plate 15,
The front end of the pressure head component 31 is articulated with the lever 32, and its rear end, and can be with 22 phase of the slide for load pin sample
The upper end of contact, the lever 32 is articulated at the axle bed 111 of 11 front end of top plate installation, and lower end is loaded with the displacement
Device is connected, and the supporting mechanism is in contact with the trailing flank of the lever 32, and the upper end is articulated in the supporting vertical plate 15；
The magnetic shielding cover 4 is positioned on the intermediate plate 12, can be provide with the top plate 11, supporting vertical plate 15, reciprocal
Mechanism 2 and friction-loaded mechanism 3.
Vertical magnetic screen reciprocating friction abrasion tester proposed by the present invention, when use are that block examination is loaded on the slide
Sample, the rear end load pin sample in pressure head component 31 allow the thick stick by controlling the supporting mechanism and displacement loading mechanism
Bar 32 is close to the supporting vertical plate 15, to adjust the pressure head component 31 to 22 distance of the slide, make pin sample with it is described
Block sample contacts then drive the slide 22 vertically to be moved back and forth by required speed using driving device, can be to pin
Sample carries out friction test with block sample, since above-mentioned friction test carries out in the magnetic shielding cover, to good
Good Magnetic Shielding Effectiveness.In addition, using the thermocouple temperature sensor 35 and pin sample contacts, and adopted via data line and data
Acquisition means (such as capture card) are connected, and can observe the temperature change of pin sample in real time.
As described in Fig. 2 a, Fig. 2 b, the driving device include a servo motor 23, an eccentric cam 24, a connecting rod 25 and
One linear bearing 26, the servo motor 23 are mounted on by motor fixing plate 231 on the bottom plate 13, and motor output shaft is in
Horizontal positioned, the eccentric cam 24 is arranged on the motor output shaft for being fixed on the servo motor 23, under the connecting rod 25
End cap, which is set, to be fixed on the eccentric cam 24, and the two forms a revolute pair similar to toggle, and the upper end passes through one
It is mobile to be arranged in the intermediate plate 12 and the body of rod of the central floor panel 121 is connected with the slide 22, the straight line
Bearing 26 is then set on the body of rod, is vertically worn and is fixed on the intermediate plate 12 and the central floor panel 121.In order to
The tightness connected between the eccentric cam 24 and the connecting rod 25 is improved, two gears can be also arranged on the eccentric cam 24
Plate 241, and by two baffle plate settings in the both sides of 25 lower end of the connecting rod,
Preferably, the body of rod includes a push rod 27 and a connector 28, the upper end of the push rod 27 and the slide
22 are connected, and lower end is bolted in the upper end of the connector 28, and the lower end of the connector 28 is connected to the connecting rod 25
Upper end, mobile to be arranged in the linear bearing 26, i.e., the linear bearing 26 is set on the connector 28.
Please also refer to Fig. 3 a- Fig. 3 d, the supporting mechanism includes a supporting crank 33, a connecting rod 34 and one adjusting
The upper end of screw rod 35, the supporting crank 33 is articulated in the supporting vertical plate 15, the trailing flank phase of lower end and the lever 32
Contact, in the open slot 151 for 15 lower end of supporting vertical plate formation that the connecting rod 34 can move up and down be articulated in, the upper end with
The supporting crank 33 is articulated, and the adjusting screw rod 35 is vertically arranged in the intermediate plate 12 and the central floor panel 121,
And be threadedly coupled with the central floor panel 121, the upper end and the lower end of the connecting rod 34 abut against, wherein in order to reach more preferably
Transmission effect, the articulated section of the preferably described connecting rod 34 and the supporting crank 33 at a distance from 3 upper end of the supporting crank, etc.
In the one third of 33 length of the supporting crank.It is noted that in " pivot joint " mentioned above, specifically can be used any
Well known connection type, does not limit herein, is such as in schematic structure, and the above-mentioned component being articulated is the side by pin joint respectively
Formula connection.
Wherein, the loading device includes a steel wire rope 36, at least two fixed pulleys 37 and a weight tray 38, wherein one
The fixed pulley 37 is mounted on the trailing flank of the supporting vertical plate 15, remaining described fixed pulley 37 is fixed on the intermediate plate 12
Bottom surface on, the steel wire rope 36 is set around each fixed pulley 37 successively, and one end level is arranged in the supporting vertical plate 15,
And be connected with the lower end of the lever 32, the other end is vertically arranged in the intermediate plate 12 and the central floor panel
121, and be connected at the weight tray 38.When in use, pass through increase/reduction counterweight, meeting on the weight tray 38
Increase/reduction makes close/separate supporting vertical plate 15 of the lever 32, described in changing to the pulling force of the lever 32
Contact tightness degree between pressure head component 31 and the slide 22.Wherein, in order to more accurately adjust the lever 32, scheming
In the structure shown, it is preferably provided with 3 fixed pulleys 37.
As shown in figure 4, the pressure head component 31 includes a hollow compression bar 311 and a sliding sleeve 312,312 edge of the sliding sleeve
Horizontal direction, which is embedded, is fixed on the supporting vertical plate 15, and the hollow compression bar 311 is mobile to be arranged in the sliding sleeve 312,
Inside is placed with the thermocouple temperature sensor 30, and the lever 32 is equipped with one and penetrates through its leading flank and the straight slot of trailing flank
321, the front end of the hollow compression bar 311 is stretched into the straight slot 321, and is articulated with the side wall of the straight slot 321, its rear end
Port at by internal thread be bolted with one for installing the switching pullover 313 of sample, wherein the straight slot 321 and the lever
The distance of 31 upper ends is equal to the one third of 32 length of the lever.
For Surface field situation of change of the monitoring sample in process of friction and wear of being more convenient for, Fig. 5 a and figure are referred to
5b is additionally provided with a testing agency 5, and the testing agency 5, which includes a lifting platform driven by stepper motor 51 and one, to be detected
The magnetic memory signal detection device in described piece of specimen surface magnetic field, the magnetic memory detection device are mounted on the lifting platform,
It is located at the lifting platform in the magnetic shielding cover 4.
Further, the stepper motor 51 is vertically arranged to the intermediate plate 12 by stepper motor fixed plate 511
On bottom surface, output shaft is a leading screw 512, and the leading screw 512 is arranged in the intermediate plate 12 and the central floor panel 121,
Upper end is connected by shaft end fixed seat 513 with the supporting vertical plate 15；
The lifting platform includes that a lifting nut 52 and an elevator 53, the lifting nut 52 are bolted in the silk
On thick stick 512, it is connected with the elevator 53, the elevator 53 is set on the leading screw 512, is connected with a sliding block
531, the sliding block 531 can vertically move on the guide rail 532 for being fixed on 15 side of the supporting vertical plate, the lifting
The leading flank of block 53 has protruded out a support plate 533, and the support plate 533 is connected with a sensor fixed seat 534, and the sensor is fixed
Seat 534 is between the slide 22 and the supporting vertical plate 15；
The magnetic memory signal detection device includes there are three Magnetic memory testing sensor 54, and each Magnetic memory testing passes
Sensor 54 is installed successively by the leading flank of upper surface to the sensor fixed seat 534 of the sensor fixed seat 534.In reality
When border works, the Magnetic memory testing sensor preferably uses tunnel magnetoresistive as sensing element, with higher detection essence
Degree.
In addition, being equipped with a digit microscope 55, it is observed with the situation of change to specimen surface pattern, it is described digital aobvious
What micro mirror 55 can rotate is installed on a lens fixing base 551, and be tilted down setting, and the lens fixing base 551 is installed
In the top of 15 leading flank of the supporting vertical plate, between the slide 22 and the supporting vertical plate 15.
In addition, as shown, in order to improve the present invention stability, the supporting rod 14 be provided with it is multiple, circumferentially
Uniformly distributed setting is equipped with fixation between the intermediate plate 12 and the bottom plate 13 between wherein two adjacent supporting rods 14
Connecting plate 16, what the bottom of the bottom plate 13 was evenly distributed is equipped with multiple lower margins 17；
In order to improve Magnetic Shielding Effectiveness, the magnetic shielding cover 4 can be made of non-magnetic material such as 316L stainless steels, medial surface
And lateral surface is covered with sheet body made of high magnetic conductance material respectively.
Vertical magnetic screen reciprocating friction abrasion tester proposed by the present invention, when practicing, in advance by the thermocouple
Temperature sensor 30, Magnetic memory testing sensing 54 are connected to capture card by data line, and the digit microscope 55 passes through data
Line is connected with industrial personal computer, and is observed the position that hollow compression bar 311 is in contact with the sliding block 22 described in alignment lens, this
The specific work process of invention is as follows：
The magnetic shielding cover 4 is first removed, block sample 6 is loaded on the slide 22, simultaneously, is not loading counterweight
Under the conditions of, rotate the adjusting screw rod 35, make its move upwards and pushing tow described in connecting rod 34 moved up along the open slot 151, from
And the supporting crank 33 is driven to be turned out centered on the upper end, make its lower end push the lever 32 (i.e. separate outward
The direction of supporting vertical plate 15) it swings, in this way, drive the hollow compression bar 311 of the pressure head component 31 far from block sample 6, in order to
The load pin sample 7 at the switching pullover 313, and the inner end of pin sample 7 is made to be abutted against with the thermocouple temperature sensor 30,
At this point, the loading completed block sample 6, sell sample 7；
Negative direction rotates the adjusting screw rod 35, so that the connecting rod 34 is moved down and drives the supporting crank 33 and the thick stick
Bar 32 resets, to make the pin sample 7 of 311 rear end of the hollow compression bar load be contacted with block sample 6, then, by the magnetic cup
It covers cover 4 to be located on the intermediate plate 12, and loads counterweight 8 on the weight tray 38, start the servo motor, start
Experiment, wherein the friction row that can implement to observe sample to the data of industrial personal computer is exported by the digit microscope 55 in experiment
For and surface variation, the temperature of pin sample can be monitored by the thermocouple temperature sensor 30；
After the completion of experiment, the adjusting screw rod 35 is adjusted again, so that pin sample 7 is detached with block sample 6, detailed process can
Referring to foregoing teachings, later, start the stepper motor 51, by the lifting nut 52, elevator 53 etc., drives the biography
Sensor fixed seat 534 rises, and then the Magnetic memory testing sensor 54 is made to increase, and can scan the three of described piece of 6 surface of sample
Tie up magnetic field.
The foregoing is merely the schematical specific implementation modes of the present invention, are not limited to the scope of the present invention.It is any
Those skilled in the art, do not depart from the design of the present invention and under the premise of principle made by equivalent variations and modification, should all
Belong to the scope of protection of the invention.
Claims (10)
1. a kind of vertical magnetic screen reciprocating friction abrasion tester, which is characterized in that the vertical friction-wear test of magnetic screen
Machine includes：
Rack, including top plate, intermediate plate and bottom plate, are connected between the intermediate plate and the bottom plate by supporting rod, institute
It states installation on intermediate plate and is equipped with a central floor panel, supporting vertical plate is installed between the central floor panel and the top plate；
Reciprocator, including a polished rod and one, for loading the slide of block sample, the polished rod is fixed on the rear end of the top plate
And between the central floor panel, the slide is mobile to be set on the polished rod, in the drive lower edge of a driving device
Vertical direction moves back and forth；
Friction-loaded mechanism can adjust distance between the lever and the supporting vertical plate equipped with a pressure head component, a lever, one
Supporting mechanism and one can make the displacement loading device that the lever is moved towards the supporting vertical plate, pacify in the pressure head component
It is mobile to be arranged in the supporting vertical plate, the front end of the pressure head component and the thick stick equipped with a thermocouple temperature sensor
Bar is articulated, and its rear end can be in contact for load pin sample with the slide, and the upper end of the lever is articulated in the top plate
At the axle bed of front end installation, lower end is connected with the displacement loading device, the rear side of the supporting mechanism and the lever
Face is in contact, and the upper end is articulated in the supporting vertical plate；
Magnetic shielding cover is positioned on the intermediate plate, can be provide with the top plate, supporting vertical plate, reciprocator and friction and be added
Mounted mechanism.
2. vertical magnetic screen reciprocating friction abrasion tester as described in claim 1, which is characterized in that the driving device packet
It includes：
One servo motor is mounted on by motor fixing plate on the bottom plate, and motor output shaft is in horizontal positioned；
One eccentric cam, the eccentric cam are arranged on the motor output shaft for being fixed on the servo motor；
One connecting rod, the lower end of the connecting rod, which is arranged, to be fixed on the eccentric cam, and the upper end mobile is arranged in by one
The intermediate plate and the body of rod of the central floor panel are connected with the slide；
One linear bearing, is set on the body of rod, vertically wears and is fixed on the intermediate plate and the central floor panel.
3. vertical magnetic screen reciprocating friction abrasion tester as claimed in claim 2, which is characterized in that the body of rod includes one
Push rod and a connector, the upper end of the push rod are connected with the slide, and lower end is bolted in the upper end of the connector,
The lower end of the connector is connected to the upper end of the connecting rod, mobile to be arranged in the linear bearing.
4. the vertical magnetic screen reciprocating friction abrasion tester as described in claim 1 or 3, which is characterized in that the support machine
Structure includes a supporting crank, a connecting rod and an adjusting screw rod, and the upper end of the supporting crank is articulated in the supporting vertical plate,
Its lower end is in contact with the trailing flank of the lever, and what the connecting rod can move up and down, which be articulated in the supporting vertical plate lower end, forms
Open slot in, the upper end is articulated with the supporting crank, and the adjusting screw rod is vertically arranged in the intermediate plate and institute
Central floor panel is stated, and is threadedly coupled with the central floor panel, the upper end and the lower end of the connecting rod abut against, wherein the company
The articulated section of bar and the supporting crank at a distance from the supporting crank upper end, be equal to the supporting crank length three/
One.
5. vertical magnetic screen reciprocating friction abrasion tester as claimed in claim 4, which is characterized in that the loading device packet
A steel wire rope, at least two fixed pulleys and a weight tray are included, wherein after a fixed pulley is mounted on the supporting vertical plate
On side, remaining described fixed pulley is fixed on the bottom surface of the intermediate plate, and the steel wire rope is set around successively each described determines cunning
Wheel, one end level is arranged in the supporting vertical plate, and is connected with the lower end of the lever, and the other end is vertically worn
Set on the intermediate plate and the central floor panel, and it is connected at the weight tray.
6. vertical magnetic screen reciprocating friction abrasion tester as claimed in claim 5, which is characterized in that the pressure head component packet
A hollow compression bar and a sliding sleeve are included, the sliding sleeve is embedded in the horizontal direction is fixed on the supporting vertical plate, the hollow compression bar
It is mobile to be arranged in the sliding sleeve, inside be placed with the thermocouple temperature sensor, the lever be equipped with a perforation its
The front end of leading flank and the straight slot of trailing flank, the hollow compression bar is stretched into the straight slot, and with the side wall phase pivot of the straight slot
It connects, a switching pullover for installation sample is bolted with by internal thread at the port of its rear end, wherein the straight slot and the thick stick
The distance of bar upper end is equal to the one third of the lever length.
7. vertical magnetic screen reciprocating friction abrasion tester as described in claim 1 or 6, which is characterized in that be additionally provided with an inspection
Mechanism is surveyed, the testing agency, which includes a lifting platform driven by stepper motors and one, can detect described piece of specimen surface magnetic field
Magnetic memory signal detection device, the magnetic memory detection device be mounted on the lifting platform on, be located at the lifting platform
In the magnetic shielding cover.
8. vertical magnetic screen reciprocating friction abrasion tester as claimed in claim 7, which is characterized in that the stepper motor is logical
It crosses stepper motor fixed plate to be vertically arranged on the bottom surface of the intermediate plate, output shaft is a leading screw, and the leading screw is arranged in
The intermediate plate and the central floor panel, the upper end are connected by shaft end fixed seat with the supporting vertical plate；
The lifting platform includes a lifting nut and an elevator, and the lifting nut is bolted on the leading screw, with
The elevator is connected, and the elevator is set on the leading screw, is connected with a sliding block, and the sliding block can be fixed on
It is vertically moved on the guide rail of the supporting vertical plate side, the leading flank of the elevator has protruded out a support plate, the branch
Plate is connected with a sensor fixed seat, and the sensor fixed seating is between the slide and the supporting vertical plate；
The magnetic memory signal detection device include there are three Magnetic memory testing sensor, each Magnetic memory testing sensor by
The leading flank of the upper surface of the sensor fixed seat to the sensor fixed seat is installed successively.
9. vertical magnetic screen reciprocating friction abrasion tester as claimed in claim 8, which is characterized in that the testing agency is another
Equipped with a digit microscope, what the digit microscope can rotate is installed on a lens fixing base, and be tilted down setting,
The lens fixing base is installed on the top of the supporting vertical plate leading flank, be located at the slide and the supporting vertical plate it
Between.
10. vertical magnetic screen reciprocating friction abrasion tester as claimed in claim 7, which is characterized in that the testing agency
It is additionally provided with a digit microscope, what the digit microscope can rotate is installed on a lens fixing base, is tilted down and sets
It sets, the lens fixing base is installed on the top of the supporting vertical plate leading flank, is located at the slide and the supporting vertical plate
Between.
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| CN201610228098.5A CN105716981B (en) | 2016-04-13 | 2016-04-13 | A kind of vertical magnetic screen reciprocating friction abrasion tester |
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| CN201610228098.5A CN105716981B (en) | 2016-04-13 | 2016-04-13 | A kind of vertical magnetic screen reciprocating friction abrasion tester |
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| CN105716981B true CN105716981B (en) | 2018-11-02 |
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| CN107132183B (en) * | 2017-06-13 | 2023-09-01 | 中国石油大学(北京) | Horizontal magnetic shielding reciprocating type friction and wear testing machine |
| CN107817459B (en) * | 2017-11-24 | 2024-03-08 | 中国石油大学(北京) | Magnetic domain in-situ observation system in reciprocating friction process |
| CN108051367B (en) * | 2017-12-27 | 2024-01-30 | 中国石油大学(北京) | Sulfur friction behavior research test system and test method thereof |
| CN112255125B (en) * | 2020-09-02 | 2022-10-25 | 台州天君科技有限公司 | Service life testing machine for rubber mechanical matching part |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1297813C (en) * | 2005-01-27 | 2007-01-31 | 上海交通大学 | Microfriction testers |
| US8375804B2 (en) * | 2009-05-15 | 2013-02-19 | VISWELL Technology Co., Ltd. | Apparatus for testing bonding strength of electrical connections and frictionless calibration device for the same |
| CN200982947Y (en) * | 2006-11-17 | 2007-11-28 | 中国矿业大学 | Multi-function small friction and wearing tester |
| CN102175598B (en) * | 2011-02-18 | 2012-09-05 | 中国矿业大学 | End face torsion frictional wear testing machine and method |
| CN202533340U (en) * | 2012-03-09 | 2012-11-14 | 中国石油天然气股份有限公司 | Vertical reciprocating pipe rod abrasion test device |
| CN103792187B (en) * | 2014-02-17 | 2016-02-24 | 中国石油大学(北京) | A kind of magnetic shielding combined type friction wear testing machine |
| CN103900918B (en) * | 2014-04-15 | 2015-11-18 | 燕山大学 | A kind of impact friction fatigue tester |
| CN205506602U (en) * | 2016-04-13 | 2016-08-24 | 中国石油大学(北京) | Vertical magnetic screen friction wear testing machine that reciprocates |
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