CN105716981A - Vertical reciprocating friction-wear testing machine with magnetic shielding function - Google Patents
Vertical reciprocating friction-wear testing machine with magnetic shielding function Download PDFInfo
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- CN105716981A CN105716981A CN201610228098.5A CN201610228098A CN105716981A CN 105716981 A CN105716981 A CN 105716981A CN 201610228098 A CN201610228098 A CN 201610228098A CN 105716981 A CN105716981 A CN 105716981A
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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
- G01N3/02—Details
Abstract
The invention provides a vertical reciprocating friction-wear testing machine with a magnetic shielding function. The vertical reciprocating friction-wear testing machine comprises a rack, a reciprocating mechanism, a friction loading mechanism and a magnetic shielding case, wherein the rack comprises a top plate, a middle plate and a bottom plate, the middle plate and the bottom plate are connected through support rods, and a vertical support plate is mounted between the middle plate and the top plate; the reciprocating mechanism comprises a polished rod and a sliding seat allowing a block sample to be loaded, the polished rod is fixed between the rear end of the top plate and the middle plate, and the sliding seat can be movably nested on the polished rod; the friction loading mechanism is provided with a press head assembly, a lever, a support mechanism and a displacement loading device, a thermocouple temperature sensor is mounted in the press head assembly, the press head assembly can movably penetrate through the vertical support plate, the front end of the press head assembly is pivoted with the lever, and the rear end of the press head assembly is used for loading a pin sample and can be contacted with the sliding seat; the upper end of the lever is pivoted to a shaft seat mounted at the front end of the top plate, the lower end of the lever is connected with the displacement loading device, the support mechanism is contacted with the rear side surface of the lever, and the upper end of the support mechanism is pivoted to the vertical support plate; the magnetic shielding case is placed on the middle plate.
Description
Technical field
The invention belongs to friction wear testing machine technical field, specifically, relate to a kind of vertical magnetic shielding reciprocating friction abrasion tester, sample reciprocating friction phenomenon can be simulated, and when shielding earth's magnetic field, monitor sample situation of change of Surface field, temperature and surface topography in process of friction and wear.
Background technology
Ferrimagnet, when being subject to fretting wear, can produce a kind of spontaneous magnetic field, in order to study the impact in this friction magnetic history peripheral magnetic field, when shielding external magnetic field, ferrimagnet need to be carried out frictional wear experiment.
Existing friction wear testing machine kind is a lot, is widely used, but the equipment being specifically designed to research metal material friction magnetization mechanism is fewer, and these equipment have clearly disadvantageous.Such as " a kind of magnetic shield combined type friction wear testing machine " disclosed in China Patent No. 201410053609.5, it drives sample to move reciprocatingly by being arranged on cylinder on top layer platform and piston rod, its reciprocating speed is difficult to control, and the radome Magnetic Shielding Effectiveness used is not especially desirable；It addition, above-mentioned testing machine can not monitor sample modification of surface morphology in friction process.
In view of this, the present inventor, according to the production design experiences being engaged in this area and association area for many years, develops a kind of vertical magnetic shielding reciprocating friction abrasion tester, to solving prior art Problems existing.
Summary of the invention
It is an object of the invention to be in that to provide a kind of vertical magnetic shielding reciprocating friction abrasion tester, can when armoured magnetic field, simulation sample reciprocating friction phenomenon, the surface temperature change in process of friction and wear of monitoring sample, and the friction velocity of Control Assay as required, for friction magnetization mechanism research offer foundation.
For this, the present invention proposes a kind of vertical magnetic shielding reciprocating friction abrasion tester, and it comprises:
Frame, including top board, intermediate plate and base plate, is connected by support bar between described intermediate plate with described base plate, described intermediate plate is installed and is provided with a central floor panel, be provided with supporting vertical plate between described central floor panel and described top board；
Reciprocator, including a polished rod and for the slide loading block sample, described polished rod is fixed between rear end and the described central floor panel of described top board, and described slide is mobile to be set on described polished rod, and it vertically moves back and forth under the drive of a driving device；
Friction-loaded mechanism, it is provided with a pressure head component, one lever, the displacement loading device that the supporting mechanism and of one spacing that can regulate described lever and described supporting vertical plate can make described lever move towards described supporting vertical plate, described pressure head component is provided with a thermocouple temperature sensor, it is mobile is arranged in described supporting vertical plate, the front end of described pressure head component and described lever are articulated, its rear end is for load pin sample, and can contact with described slide, the upper end of described lever is articulated in the axle bed place that described top board front end is installed, its lower end is connected with described displacement loading device, described supporting mechanism contacts with the trailing flank of described lever, its upper end is articulated in described supporting vertical plate；
Magnetic shielding cover, is positioned on described intermediate plate, and it can cover and set described top board, supporting vertical plate, reciprocator and friction-loaded mechanism.
Vertical magnetic as above shielding reciprocating friction abrasion tester, wherein, described driving device includes:
One servomotor, it is arranged on described base plate by motor fixing plate, and its motor output shaft is horizontal positioned；
One eccentric cam, on the sheathed motor output shaft being fixed on described servomotor of described eccentric cam；
One connecting rod, the lower end of described connecting rod is sheathed to be fixed on described eccentric cam, and its upper end is connected with described slide by the mobile body of rod being arranged in described intermediate plate and described central floor panel；
One linear bearing, it is set on the described body of rod, and it vertically wears and is fixed on described intermediate plate and described central floor panel.
Vertical magnetic as above shielding reciprocating friction abrasion tester, wherein, the described body of rod includes a push rod and a union joint, the upper end of described push rod is connected with described slide, its lower end is bolted in the upper end of described union joint, the lower end of described union joint is connected to the upper end of described connecting rod, and it is mobile is arranged in described linear bearing.
Vertical magnetic as above shielding reciprocating friction abrasion tester, wherein, described supporting mechanism includes a supporting crank, one connecting rod and an adjusting screw rod, the upper end of described supporting crank is articulated in described supporting vertical plate, its lower end contacts with the trailing flank of described lever, what described connecting rod can move up and down is articulated in the open slot that described supporting vertical plate lower end is formed, its upper end and described supporting crank are articulated, described adjusting screw rod is vertically arranged in described intermediate plate and described central floor panel, and threaded with described central floor panel, the lower end of its upper end and described connecting rod abuts against, wherein, the distance of the articulated section of described connecting rod and described supporting crank and described supporting crank upper end, equal to described supporting crank length 1/3rd.
Vertical magnetic as above shielding reciprocating friction abrasion tester, wherein, described charger includes a steel wire rope, at least two fixed pulleys and a weight tray, wherein fixed pulley described in is arranged on the trailing flank of described supporting vertical plate, all the other described fixed pulleys are fixed on the bottom surface of described intermediate plate, described steel wire rope is set around each described fixed pulley successively, its one end level is arranged in described supporting vertical plate, and be connected with the lower end of described lever, its other end is vertically arranged in described intermediate plate and described central floor panel, and is connected to described weight tray place.
Vertical magnetic as above shielding reciprocating friction abrasion tester, wherein, described pressure head component includes a hollow depression bar and a sliding sleeve, described sliding sleeve is embedded in the horizontal direction and is fixed on described supporting vertical plate, described hollow depression bar is mobile is arranged in described sliding sleeve, described thermocouple temperature sensor it is placed with inside it, described lever is provided with the groove of its leading flank through and trailing flank, the front end of described hollow depression bar is stretched in described groove, and be articulated with the sidewall of described groove, it is pullover for the switching installing sample that the port of its rear end is bolted with one by female thread, wherein, the distance of described groove and described lever upper end, equal to described lever length 1/3rd.
Vertical magnetic as above shielding reciprocating friction abrasion tester, wherein, it is additionally provided with a testing agency, described testing agency includes a lifting platform driven by stepper motors and can detect the magnetic memory signal detecting device in described piece of specimen surface magnetic field, described magnetic memory detection device is arranged on described lifting platform, and itself and described lifting platform are positioned at described magnetic shielding cover.
Vertical magnetic as above shielding reciprocating friction abrasion tester, wherein, described motor is vertically arranged on the bottom surface of described intermediate plate by the fixing plate of motor, its output shaft is a leading screw, described leading screw is arranged in described intermediate plate and described central floor panel, and its upper end is connected with described supporting vertical plate by the fixing seat of axle head；
Described lifting platform includes a lifting nut and an elevator, described lifting nut is bolted on described leading screw, it is connected with described elevator, described elevator is set on described leading screw, it is connected to a slide block, and described slide block vertically can move on the guide rail being fixed on described supporting vertical plate side, and the leading flank of described elevator has protruded out a support plate, described support plate is connected to the fixing seat of a sensor, and described sensor fixed seating is between described slide and described supporting vertical plate；
Described magnetic memory signal detecting device includes three Magnetic memory testing sensors, and each described Magnetic memory testing sensor is installed successively by the leading flank of the upper surface of the fixing seat of described sensor to the fixing seat of described sensor.
Vertical magnetic as above shielding reciprocating friction abrasion tester, wherein, described testing agency is additionally provided with a digit microscope, what described digit microscope can rotate is installed on a lens fixing base, its setting that is tilted down, described lens fixing base is installed on the top of described supporting vertical plate leading flank, and it is between described slide and described supporting vertical plate.
The vertical magnetic shielding reciprocating friction abrasion tester of the present invention, by arranging frame, reciprocator, friction-loaded mechanism, magnetic shielding cover and testing agency, can when armoured magnetic field, simulation sample reciprocating friction phenomenon, and monitor sample situation of change of Surface field, temperature field and surface topography in process of friction and wear, provide foundation for friction magnetization mechanism research.Wherein, according to test needs, what can control reciprocator moves up and down speed；By regulating the adjusting screw rod in described friction-loaded mechanism, in that context it may be convenient to when not removing magnetic shielding cover, by separating of pin sample and block sample, simple and convenient；Described magnetic shielding cover adopts non-magnetic material to make, and its surfaces externally and internally all pastes the thin slice that high magnetic conductance material makes, and has very good Magnetic Shielding Effectiveness；Described testing agency can monitor the temperature of pin sample when not unloading sample and removing magnetic shielding cover, observes sample behavior in friction process.
Accompanying drawing explanation
The following drawings is only intended to, in the present invention being schematically illustrated and explaining, not delimit the scope of the invention.Wherein:
Fig. 1 a is the schematic perspective view () of the vertical magnetic shielding reciprocating friction abrasion tester of the present invention.
Fig. 1 b is the schematic perspective view (two) of the vertical magnetic shielding reciprocating friction abrasion tester of the present invention, not shown magnetic shielding cover.
Fig. 1 c is frame schematic perspective view in the present invention.
Fig. 2 a is the solid composition schematic diagram of reciprocator in the present invention.
Fig. 2 b is the composition structural representation of reciprocator in the present invention.
Fig. 3 a is the solid composition schematic diagram of friction-loaded mechanism in the present invention.
Fig. 3 b is the side view of friction-loaded mechanism in the present invention.
Fig. 3 c is the opposite side view of friction-loaded mechanism in the present invention.
Fig. 3 d is the sectional view of line A-A along Fig. 3 c.
Fig. 4 is the sectional view of pressure head component in the present invention.
Fig. 5 a is the solid composition schematic diagram of testing agency in the present invention.
Fig. 5 b is the side view of testing agency in the present invention.
Main element label declaration:
1 frame 11 top board
111 axle bed 12 intermediate plates
121 central floor panel 13 base plates
14 support bar 15 supporting vertical plate
151 open slot 16 fixed link plate
17 lower margin 2 reciprocators
21 polished rod 22 slides
23 servomotor 231 motor fixing plates
24 eccentric cam 25 connecting rods
26 linear bearing 27 push rods
28 union joint 3 friction-loaded mechanisms
30 thermocouple temperature sensor 31 pressure head component
311 hollow depression bar 312 sliding sleeves
313 pullover 32 levers of switching
321 groove 33 supporting cranks
34 connecting rod 35 adjusting screw rods
36 steel wire rope 37 fixed pulleys
38 weight tray 4 magnetic shielding covers
5 testing agency 51 motors
Plate 512 leading screw fixed by 511 motors
513 axle heads fix seat 52 lifting nut
53 elevator 531 slide blocks
532 guide rail 533 support plates
Seat 54 Magnetic memory testing sensor fixed by 534 sensors
55 digit microscope 551 lens fixing bases
Detailed description of the invention
The present invention proposes a kind of vertical magnetic shielding reciprocating friction abrasion tester, it comprises: frame, including top board, intermediate plate and base plate, it is connected by support bar between described intermediate plate with described base plate, described intermediate plate is installed and is provided with a central floor panel, between described central floor panel and described top board, supporting vertical plate is installed；Reciprocator, including a polished rod and for the slide loading block sample, described polished rod is fixed between rear end and the described central floor panel of described top board, and described slide is mobile to be set on described polished rod, and it vertically moves back and forth under the drive of a driving device；Friction-loaded mechanism, it is provided with a pressure head component, one lever, the displacement loading device that the supporting mechanism and of one spacing that can regulate described lever and described supporting vertical plate can make described lever move towards described supporting vertical plate, described pressure head component is provided with a thermocouple temperature sensor, it is mobile is arranged in described supporting vertical plate, the front end of described pressure head component and described lever are articulated, its rear end is for load pin sample, and can contact with described slide, the upper end of described lever is articulated in the axle bed place that described top board front end is installed, its lower end is connected with described displacement loading device, described supporting mechanism contacts with the trailing flank of described lever, its upper end is articulated in described supporting vertical plate；Magnetic shielding cover, is positioned on described intermediate plate, and its cover sets described top board, supporting vertical plate, reciprocator and friction-loaded mechanism.
The vertical magnetic shielding reciprocating friction abrasion tester of the present invention, when armoured magnetic field, sample reciprocating friction phenomenon can be simulated, monitor sample surface temperature field in process of friction and wear, and the friction velocity of Control Assay as required, for friction magnetization mechanism research offer foundation.
For this, in order to the technical characteristic of the present invention, purpose and effect are more clearly understood from, below in conjunction with accompanying drawing and preferred embodiment, the vertical magnetic shielding detailed description of the invention of reciprocating friction abrasion tester, structure, feature and effect that the present invention is proposed, describe in detail as after.It addition, by the explanation of detailed description of the invention, when can be reach technological means that predetermined purpose takes and effect is goed deep into concrete understanding more to the present invention, but institute's accompanying drawing be only to provide with reference to and use is described, is not used for the present invention is any limitation as.
Fig. 1 a is the schematic perspective view () of the vertical magnetic shielding reciprocating friction abrasion tester of the present invention.Fig. 1 b is the schematic perspective view (two) of the vertical magnetic shielding reciprocating friction abrasion tester of the present invention, not shown magnetic shielding cover.Fig. 1 c is frame schematic perspective view in the present invention.Fig. 2 a is the solid composition schematic diagram of reciprocator in the present invention.Fig. 2 b is the composition structural representation of reciprocator in the present invention.Fig. 3 a is the solid composition schematic diagram of friction-loaded mechanism in the present invention.Fig. 3 b is the side view of friction-loaded mechanism in the present invention.Fig. 3 c is the opposite side view of friction-loaded mechanism in the present invention.Fig. 3 d is the sectional view of line A-A along Fig. 3 c.Fig. 4 is the sectional view of pressure head component in the present invention.Fig. 5 a is the solid composition schematic diagram of testing agency in the present invention.Fig. 5 b is the side view of testing agency in the present invention.
As shown in Fig. 1 a-3a, the vertical magnetic shielding reciprocating friction abrasion tester that the present invention proposes, it comprises frame 1, reciprocator 2, friction-loaded mechanism 3 and magnetic shielding cover 4, wherein:
Described frame 1 includes top board 11, intermediate plate 12 and base plate 13, it is connected by support bar 14 between described intermediate plate 12 with described base plate 13, described intermediate plate 12 is installed and is provided with a central floor panel 121, between described central floor panel 121 and described top board 11, supporting vertical plate 15 is installed；
Described reciprocator 2 includes the slide 22 of a polished rod 21 and a confession loading block sample, described polished rod 21 is fixed between rear end and the described central floor panel 121 of described top board 11, described slide 22 is mobile to be set on described polished rod 21, and it vertically moves back and forth under the drive of a driving device；
Described friction-loaded mechanism 3 is provided with a pressure head component 31, one lever 32, the displacement loading device that the supporting mechanism and of one spacing that can regulate described lever 32 and described supporting vertical plate 15 can make described lever 32 move towards described supporting vertical plate 15, described pressure head component 31 is provided with a thermocouple temperature sensor 30, it is mobile is arranged in described supporting vertical plate 15, the front end of described pressure head component 31 and described lever 32 are articulated, its rear end is for load pin sample, and can contact with described slide 22, the upper end of described lever 32 is articulated in axle bed 111 place that described top board 11 front end is installed, its lower end is connected with described displacement loading device, described supporting mechanism contacts with the trailing flank of described lever 32, its upper end is articulated in described supporting vertical plate 15；
Described magnetic shielding cover 4 is positioned on described intermediate plate 12, and it can cover and set described top board 11, supporting vertical plate 15, reciprocator 2 and friction-loaded mechanism 3.
The vertical magnetic shielding reciprocating friction abrasion tester that the present invention proposes, it it is loading block sample on described slide during use, rear end load pin sample in pressure head component 31, by controlling described supporting mechanism and displacement loading mechanism, allow described lever 32 near described supporting vertical plate 15, thus regulating described pressure head component 31 to described slide 22 distance, make pin sample and described piece of sample contacts, subsequently, driving device is utilized to drive described slide 22 vertically to move back and forth by required speed, pin sample and block sample can be carried out friction test, owing to above-mentioned friction test carries out in described magnetic shielding cover, thus having good Magnetic Shielding Effectiveness.It addition, utilize described thermocouple temperature sensor 35 and pin sample contacts, and it is connected with data acquisition unit (such as capture card) via data wire, the variations in temperature of energy real-time monitored pin sample.
Such as Fig. 2 a, described in Fig. 2 b, described driving device includes a servomotor 23, one eccentric cam 24, one connecting rod 25 and a linear bearing 26, described servomotor 23 is arranged on described base plate 13 by motor fixing plate 231, its motor output shaft is horizontal positioned, on the sheathed motor output shaft being fixed on described servomotor 23 of described eccentric cam 24, the lower end of described connecting rod 25 is sheathed to be fixed on described eccentric cam 24, both form the revolute pair of a similar toggle, its upper end is connected with described slide 22 by the mobile body of rod being arranged in described intermediate plate 12 and described central floor panel 121, described linear bearing 26 is then set on the described body of rod, it vertically wears and is fixed on described intermediate plate 12 and described central floor panel 121.In order to improve the tightness being connected between described eccentric cam 24 with described connecting rod 25, also can on described eccentric cam 24 sheathed two baffle plates 241, and two baffle plates are arranged on the both sides of described connecting rod 25 lower end,
Preferably, the described body of rod includes push rod 27 and a union joint 28, the upper end of described push rod 27 is connected with described slide 22, its lower end is bolted in the upper end of described union joint 28, the lower end of described union joint 28 is connected to the upper end of described connecting rod 25, it is mobile is arranged in described linear bearing 26, and namely described linear bearing 26 is set on described union joint 28.
Please also refer to Fig. 3 a-Fig. 3 d, described supporting mechanism includes a supporting crank 33, one connecting rod 34 and an adjusting screw rod 35, the upper end of described supporting crank 33 is articulated in described supporting vertical plate 15, its lower end contacts with the trailing flank of described lever 32, what described connecting rod 34 can move up and down is articulated in the open slot 151 that described supporting vertical plate 15 lower end is formed, its upper end and described supporting crank 33 are articulated, described adjusting screw rod 35 is vertically arranged in described intermediate plate 12 and described central floor panel 121, and threaded with described central floor panel 121, the lower end of its upper end and described connecting rod 34 abuts against, wherein, in order to reach transmission effect more preferably, the distance of the articulated section of preferred described connecting rod 34 and described supporting crank 33 and described supporting crank 3 upper end, equal to described supporting crank 33 length 1/3rd.It is noted that in " pivot joint " mentioned above, it specifically can adopt any known connected mode, does not limit at this, as at schematic structure being, the above-mentioned parts being articulated are that the mode by pin joint connects respectively.
Wherein, described charger includes steel wire rope 36, at least two fixed pulley 37 and a weight tray 38, wherein fixed pulley 37 described in is arranged on the trailing flank of described supporting vertical plate 15, all the other described fixed pulleys 37 are fixed on the bottom surface of described intermediate plate 12, described steel wire rope 36 is set around each described fixed pulley 37 successively, its one end level is arranged in described supporting vertical plate 15, and be connected with the lower end of described lever 32, its other end is vertically arranged in described intermediate plate 12 and described central floor panel 121, and is connected to described weight tray 38 place.In use, by increasing/reduce counterweight on described weight tray 38, can increase/reduce the pulling force to described lever 32, make described lever 32 close/away from described supporting vertical plate 15, contact tightness degree thus changing between described pressure head component 31 with described slide 22.Wherein, in order to regulate described lever 32 more accurately, in the construction illustrated, it is preferable that be provided with 3 described fixed pulleys 37.
As shown in Figure 4, described pressure head component 31 includes hollow depression bar 311 and a sliding sleeve 312, described sliding sleeve 312 is embedded in the horizontal direction and is fixed on described supporting vertical plate 15, described hollow depression bar 311 is mobile is arranged in described sliding sleeve 312, described thermocouple temperature sensor 30 it is placed with inside it, described lever 32 is provided with the groove 321 of its leading flank through and trailing flank, the front end of described hollow depression bar 311 is stretched in described groove 321, and be articulated with the sidewall of described groove 321, the port of its rear end is bolted with one for the switching pullover 313 installing sample by female thread, wherein, the distance of described groove 321 and described lever 31 upper end, equal to described lever 32 length 1/3rd.
For monitoring sample Surface field situation of change in process of friction and wear of being more convenient for, refer to Fig. 5 a and Fig. 5 b, it is additionally provided with a testing agency 5, described testing agency 5 includes a lifting platform driven by motor 51 and can detect the magnetic memory signal detecting device in described piece of specimen surface magnetic field, described magnetic memory detection device is arranged on described lifting platform, and itself and described lifting platform are positioned at described magnetic shielding cover 4.
Further, described motor 51 is vertically arranged on the bottom surface of described intermediate plate 12 by the fixing plate 511 of motor, its output shaft is a leading screw 512, described leading screw 512 is arranged in described intermediate plate 12 and described central floor panel 121, and its upper end is connected with described supporting vertical plate 15 by the fixing seat 513 of axle head；
Described lifting platform includes lifting nut 52 and an elevator 53, described lifting nut 52 is bolted on described leading screw 512, it is connected with described elevator 53, described elevator 53 is set on described leading screw 512, it is connected to a slide block 531, described slide block 531 vertically can move on the guide rail 532 being fixed on described supporting vertical plate 15 side, the leading flank of described elevator 53 has protruded out a support plate 533, described support plate 533 is connected to the fixing seat 534 of a sensor, and the fixing seat 534 of described sensor is between described slide 22 and described supporting vertical plate 15；
Described magnetic memory signal detecting device includes three Magnetic memory testing sensors 54, and each described Magnetic memory testing sensor 54 is installed successively by the leading flank of the upper surface of the fixing seat 534 of described sensor to the fixing seat 534 of described sensor.When real work, described Magnetic memory testing sensor preferably employs tunnel magnetoresistive as sensing element, to have higher accuracy of detection.
Additionally, it is provided with a digit microscope 55, it is observed with the situation of change to specimen surface pattern, what described digit microscope 55 can rotate is installed on a lens fixing base 551, its setting that is tilted down, described lens fixing base 551 is installed on the top of described supporting vertical plate 15 leading flank, and it is between described slide 22 and described supporting vertical plate 15.
In addition, as shown in the figure, in order to improve the steadiness of the present invention, described support bar 14 is provided with multiple, what it was evenly distributed is arranged between described intermediate plate 12 and described base plate 13, and wherein between two adjacent support bars 14, fixed link plate 16 is installed, what the bottom of described base plate 13 was evenly distributed is provided with multiple lower margin 17；
In order to improve Magnetic Shielding Effectiveness, described magnetic shielding cover 4 can be made up of non-magnetic material such as 316L rustless steel, and its medial surface and lateral surface are covered with the lamellar body that high magnetic conductance material is made respectively.
The vertical magnetic shielding reciprocating friction abrasion tester that the present invention proposes, when practicing, in advance described thermocouple temperature sensor 30, Magnetic memory testing sensing 54 are connected to capture card by data wire, described digit microscope 55 is connected with industrial computer by data wire, and observed the position that hollow depression bar 311 described in alignment lens contacts with described slide block 22, the specific works process of the present invention is as follows:
First take off described magnetic shielding cover 4, described slide 22 loads block sample 6, simultaneously, when not loading counterweight, rotate described adjusting screw rod 35, make it move upward and connecting rod 34 described in pushing tow moves along described open slot 151, thus driving described supporting crank 33 to be turned out centered by its upper end, its lower end is made to promote described lever 32 outside (namely away from the direction of supporting vertical plate 15) to swing, so, drive the hollow depression bar 311 of described pressure head component 31 away from block sample 6, so that at the pullover 313 place's load pin samples 7 of described switching, and make the inner and described thermocouple temperature sensor 30 of pin sample 7 abut against, now, complete block sample 6, the loading of pin sample 7；
Opposite direction rotates described adjusting screw rod 35, described connecting rod 34 is made to move down and drive described supporting crank 33 and described lever 32 to reset, so that the pin sample 7 that described hollow depression bar 311 rear end loads contacts with block sample 6, subsequently, described magnetic shielding cover 4 is located on described intermediate plate 12, and on described weight tray 38, load counterweight 8, start described servomotor, start experiment, wherein, test exports the data to industrial computer by described digit microscope 55, friction behavior and the surface change of observation sample can be implemented, the temperature of pin sample can be monitored by described thermocouple temperature sensor 30；
After having tested, again regulate described adjusting screw rod 35, pin sample 7 is made to separate with block sample 6, its detailed process referring to foregoing teachings, afterwards, can start described motor 51, by described lifting nut 52, elevator 53 etc., drive the fixing seat 534 of described sensor to rise, and then make described Magnetic memory testing sensor 54 increase, the three-dimensional magnetic field on described piece of sample 6 surface can be scanned.
The foregoing is only the schematic detailed description of the invention of the present invention, be not limited to the scope of the present invention.Any those skilled in the art, the equivalent variations made under without departing from the design of the present invention and the premise of principle and amendment, all should belong to the scope of protection of the invention.
Claims (10)
1. a vertical magnetic shielding reciprocating friction abrasion tester, it is characterised in that the vertical friction wear testing machine of described magnetic shield comprises:
Frame, including top board, intermediate plate and base plate, is connected by support bar between described intermediate plate with described base plate, described intermediate plate is installed and is provided with a central floor panel, be provided with supporting vertical plate between described central floor panel and described top board；
Reciprocator, including a polished rod and for the slide loading block sample, described polished rod is fixed between rear end and the described central floor panel of described top board, and described slide is mobile to be set on described polished rod, and it vertically moves back and forth under the drive of a driving device；
Friction-loaded mechanism, it is provided with a pressure head component, one lever, the displacement loading device that the supporting mechanism and of one spacing that can regulate described lever and described supporting vertical plate can make described lever move towards described supporting vertical plate, described pressure head component is provided with a thermocouple temperature sensor, it is mobile is arranged in described supporting vertical plate, the front end of described pressure head component and described lever are articulated, its rear end is for load pin sample, and can contact with described slide, the upper end of described lever is articulated in the axle bed place that described top board front end is installed, its lower end is connected with described displacement loading device, described supporting mechanism contacts with the trailing flank of described lever, its upper end is articulated in described supporting vertical plate；
Magnetic shielding cover, is positioned on described intermediate plate, and it can cover and set described top board, supporting vertical plate, reciprocator and friction-loaded mechanism.
2. vertical magnetic shielding reciprocating friction abrasion tester as claimed in claim 1, it is characterised in that described driving device includes:
One servomotor, it is arranged on described base plate by motor fixing plate, and its motor output shaft is horizontal positioned；
One eccentric cam, on the sheathed motor output shaft being fixed on described servomotor of described eccentric cam；
One connecting rod, the lower end of described connecting rod is sheathed to be fixed on described eccentric cam, and its upper end is connected with described slide by the mobile body of rod being arranged in described intermediate plate and described central floor panel；
One linear bearing, it is set on the described body of rod, and it vertically wears and is fixed on described intermediate plate and described central floor panel.
3. vertical magnetic shielding reciprocating friction abrasion tester as claimed in claim 2, it is characterized in that, the described body of rod includes a push rod and a union joint, the upper end of described push rod is connected with described slide, its lower end is bolted in the upper end of described union joint, the lower end of described union joint is connected to the upper end of described connecting rod, and it is mobile is arranged in described linear bearing.
4. the vertical magnetic shielding reciprocating friction abrasion tester as described in claim 1 or 3, it is characterized in that, described supporting mechanism includes a supporting crank, one connecting rod and an adjusting screw rod, the upper end of described supporting crank is articulated in described supporting vertical plate, its lower end contacts with the trailing flank of described lever, what described connecting rod can move up and down is articulated in the open slot that described supporting vertical plate lower end is formed, its upper end and described supporting crank are articulated, described adjusting screw rod is vertically arranged in described intermediate plate and described central floor panel, and threaded with described central floor panel, the lower end of its upper end and described connecting rod abuts against, wherein, the distance of the articulated section of described connecting rod and described supporting crank and described supporting crank upper end, equal to described supporting crank length 1/3rd.
5. vertical magnetic shielding reciprocating friction abrasion tester as claimed in claim 4, it is characterized in that, described charger includes a steel wire rope, at least two fixed pulleys and a weight tray, wherein fixed pulley described in is arranged on the trailing flank of described supporting vertical plate, all the other described fixed pulleys are fixed on the bottom surface of described intermediate plate, described steel wire rope is set around each described fixed pulley successively, its one end level is arranged in described supporting vertical plate, and be connected with the lower end of described lever, its other end is vertically arranged in described intermediate plate and described central floor panel, and it is connected to described weight tray place.
6. vertical magnetic shielding reciprocating friction abrasion tester as claimed in claim 5, it is characterized in that, described pressure head component includes a hollow depression bar and a sliding sleeve, described sliding sleeve is embedded in the horizontal direction and is fixed on described supporting vertical plate, described hollow depression bar is mobile is arranged in described sliding sleeve, described thermocouple temperature sensor it is placed with inside it, described lever is provided with the groove of its leading flank through and trailing flank, the front end of described hollow depression bar is stretched in described groove, and be articulated with the sidewall of described groove, it is pullover for the switching installing sample that the port of its rear end is bolted with one by female thread, wherein, the distance of described groove and described lever upper end, equal to described lever length 1/3rd.
7. the vertical magnetic shielding reciprocating friction abrasion tester as described in claim 1 or 6, it is characterized in that, it is additionally provided with a testing agency, described testing agency includes a lifting platform driven by stepper motors and can detect the magnetic memory signal detecting device in described piece of specimen surface magnetic field, described magnetic memory detection device is arranged on described lifting platform, and itself and described lifting platform are positioned at described magnetic shielding cover.
8. vertical magnetic shielding reciprocating friction abrasion tester as claimed in claim 7, it is characterized in that, described motor is vertically arranged on the bottom surface of described intermediate plate by the fixing plate of motor, its output shaft is a leading screw, described leading screw is arranged in described intermediate plate and described central floor panel, and its upper end is connected with described supporting vertical plate by the fixing seat of axle head；
Described lifting platform includes a lifting nut and an elevator, described lifting nut is bolted on described leading screw, it is connected with described elevator, described elevator is set on described leading screw, it is connected to a slide block, and described slide block vertically can move on the guide rail being fixed on described supporting vertical plate side, and the leading flank of described elevator has protruded out a support plate, described support plate is connected to the fixing seat of a sensor, and described sensor fixed seating is between described slide and described supporting vertical plate；
Described magnetic memory signal detecting device includes three Magnetic memory testing sensors, and each described Magnetic memory testing sensor is installed successively by the leading flank of the upper surface of the fixing seat of described sensor to the fixing seat of described sensor.
9. vertical magnetic shielding reciprocating friction abrasion tester as claimed in claim 8, it is characterized in that, described testing agency is additionally provided with a digit microscope, what described digit microscope can rotate is installed on a lens fixing base, its setting that is tilted down, described lens fixing base is installed on the top of described supporting vertical plate leading flank, and it is between described slide and described supporting vertical plate.
10. vertical magnetic shielding reciprocating friction abrasion tester as claimed in claim 7, it is characterized in that, described testing agency is additionally provided with a digit microscope, what described digit microscope can rotate is installed on a lens fixing base, its setting that is tilted down, described lens fixing base is installed on the top of described supporting vertical plate leading flank, and it is between described slide and described supporting vertical plate.
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