CN106769575B - A kind of experimental rig of different condition Lower shaft sleeve friction and wear behavior - Google Patents
A kind of experimental rig of different condition Lower shaft sleeve friction and wear behavior Download PDFInfo
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- CN106769575B CN106769575B CN201611038325.4A CN201611038325A CN106769575B CN 106769575 B CN106769575 B CN 106769575B CN 201611038325 A CN201611038325 A CN 201611038325A CN 106769575 B CN106769575 B CN 106769575B
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- seal closure
- workbench
- friction
- axle sleeve
- lower shaft
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Classifications
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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
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0003—Steady
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0005—Repeated or cyclic
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0032—Generation of the force using mechanical means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/005—Electromagnetic means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/022—Environment of the test
- G01N2203/023—Pressure
- G01N2203/0234—Low pressure; Vacuum
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/022—Environment of the test
- G01N2203/0236—Other environments
- G01N2203/0238—Inert
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/026—Specifications of the specimen
- G01N2203/0262—Shape of the specimen
- G01N2203/0274—Tubular or ring-shaped specimens
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0676—Force, weight, load, energy, speed or acceleration
Abstract
The invention discloses a kind of experimental rigs of different condition Lower shaft sleeve friction and wear behavior, including the workbench being located on pedestal, the surface of workbench is connected with seal closure a, the bottom surface of workbench is connected with seal closure b, power device is provided in seal closure b, it is provided in seal closure a and is sequentially connected the guide rail connect, grip device, tension-compression sensor, electromagnetic loading device and vibration excitor, seal closure a is also connected with pneumatic shuttle.The present invention can carry out axle sleeve friction-wear test, experimental enviroment multiplicity under three kinds of air, vacuum or nitrogen environment；The dead load friction-wear test being able to carry out under various gaps and the dynamic loading friction-wear test under wide arc gap, closer to actual condition；Using toothed belt transmission, transmission efficiency with higher and the torque for being capable of increasing main shaft prevent excessive frictional force from leading to motor damage；The sealing structure of seal closure a and workbench is simple, convenient for the disassembly of seal closure a, there is good practical value.
Description
Technical field
The invention belongs to friction-wear test equipment technical fields, and in particular to a kind of different condition Lower shaft sleeve fretting wear
The experimental rig of performance.
Background technique
Axis and axle sleeve are a kind of structures being often used in actual production, and axis and axle sleeve do relative motion when use,
In long-term rotation process, diameter of axle surface is permanently deformed due to being squeezed the effect of power and composite machine power, leads to axis
There is fit clearance, between axle sleeve so as to cause the abrasion of axle sleeve.
For the reliability for assessing axle sleeve, need to can be carried out experimental study to the friction and abrasion of axle sleeve.Currently, fretting wear
Experimental rig is primarily directed to the mechanical equipment to work in air, in air, it is easy to be influenced surface of friction pair by oxygen
Oxidation film is generated, secondary to friction have certain protective effect.However there are many more mechanical equipment work in other environment, example
If the mechanical equipment used in aerospace engineering works under vacuum conditions, high-voltage circuitbreaker works in SF6 atmosphere, these
The content of oxygen is few in environment, and surface of friction pair is hardly produced oxidation film, so the friction of research non-air environment Lower shaft sleeve
Abrasion is of great significance；And what traditional friction wear testing machine mainly studied is shadow of the dead load to process of friction and wear
Ring, but practical upper friction pair form, drag characteristic and power source form of load and mechanism for being transmitted etc. are related, often with
The dynamic loading of time change.
Summary of the invention
The object of the present invention is to provide a kind of experimental rigs of different condition Lower shaft sleeve friction and wear behavior, solve existing
Axis and axle sleeve frictional wear test device can only be tested in single environment and dead load Lower shaft sleeve friction and wear behavior problem.
The technical scheme adopted by the invention is that a kind of experimental rig of different condition Lower shaft sleeve friction and wear behavior, packet
The workbench being located on pedestal is included, the surface of workbench is connected with seal closure a, and the bottom surface of workbench is connected with seal closure b, sealing
It is provided with power device in cover b, is provided in seal closure a and is sequentially connected the guide rail connect, grip device, tension-compression sensor, electromagnetism
Loading device and vibration excitor, seal closure a are also connected with pneumatic shuttle.
It is of the invention to be further characterized in that,
Power device includes the main shaft for being socketed with bearing, one end of main shaft be pierced by workbench and with friction mandrel Joint, it is main
The other end of axis is located in support a and is connected by V belt translation with variable-frequency motor, and variable-frequency motor is fixed in work by support b
On platform, friction mandrel one end is in hollow columnar and is socketed on spindle nose.
Grip device includes the outer housing being successively socketed from outside to inside, deep groove ball bearing, axle sleeve fixture and friction mandrel, zanjon
The end face of ball bearing is covered with bearing (ball) cover, has a boss along axle sleeve fixture inner wall is circumferentially distributed, and friction axial end is connected with end cap,
Magnetic patch is provided on end cap；Slot a and slot b are also distributed on outer housing, slot a inner wall is connected with pressure sensor, pressure sensor
Be in contact with the dynamometry block being arranged on axle sleeve fixture, be provided with temperature sensor in slot b, temperature sensor both ends respectively with axis
Sleeve clamp is connected with fixed frame, and speed probe is additionally provided on fixed frame；Outer housing one end, which is also welded with, is socketed in straight line
Guide rail in motion bearings, the outer housing other end have been connected through a screw thread tension-compression sensor.
Electromagnetic loading device includes columnar guide rod, and the outer wall of guide rod is successively socketed with skeleton and shell, bone from inside to outside
Coil is wound on frame, guide rod is successively connected with adjusting rod and tension-compression sensor, and the other end of guide rod is connected with moving armature
It connects, also by connecting vibration excitor with its affixed mandril on moving armature.
Pneumatic shuttle includes the air inlet and air outlet of setting on the table, and gas outlet is connected to vacuum pump by pipeline a,
Air inlet is sequentially communicated pressure gauge, nitrogen machine and air compressor by pipeline b, is additionally provided with solenoid valve on pipeline b；Air inlet
It is respectively positioned in seal closure a with gas outlet.
Tension-compression sensor has been sequentially connected in series transmitter, capture card and processor by conducting wire, also connects respectively on transmitter
There are pressure sensor, temperature sensor and speed probe.
The transparent bell jar shape of seal closure a, the bottom of seal closure a passes through the lasso a being connected and gasket and workbench connects
It connects, gasket is in contact with workbench, and the seam allowance a of several boss-shapeds, seam allowance a and seam allowance b phase are distributed along the even circumferential of lasso a
Engagement, seam allowance b are evenly distributed on the circumference for the lasso b being set on workbench, are additionally provided with handle on seal closure a.
Seal closure b is cylindric in stainless steel.
The beneficial effects of the present invention are: the present invention can carry out axle sleeve test specimen under three kinds of air, vacuum or nitrogen environment
Friction-wear test, experimental enviroment multiplicity；Dead load friction-wear test and the wide arc gap being able to carry out under various gaps simultaneously
Under dynamic loading friction-wear test, closer to actual condition；Using toothed belt transmission, transmission efficiency with higher and energy
The torque for enough increasing main shaft, prevents excessive frictional force from leading to motor damage；The sealing structure of seal closure a and workbench is simple,
Convenient for the disassembly of seal closure a, there is good practical value.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the experimental rig of different condition Lower shaft sleeve friction and wear behavior of the present invention；
Fig. 2 is that the structure of power device in a kind of experimental rig of different condition Lower shaft sleeve friction and wear behavior of the present invention is shown
It is intended to；
Fig. 3 is the main view of grip device in a kind of experimental rig of different condition Lower shaft sleeve friction and wear behavior of the present invention
Figure；
Fig. 4 is the vertical view of grip device in a kind of experimental rig of different condition Lower shaft sleeve friction and wear behavior of the present invention
Figure；
Fig. 5 is the left view of grip device in a kind of experimental rig of different condition Lower shaft sleeve friction and wear behavior of the present invention
Figure；
Fig. 6 is the knot of electromagnetic loading device in a kind of experimental rig of different condition Lower shaft sleeve friction and wear behavior of the present invention
Structure schematic diagram；
Fig. 7 is that the structure of pneumatic shuttle in a kind of experimental rig of different condition Lower shaft sleeve friction and wear behavior of the present invention is shown
It is intended to；
Fig. 8 is a kind of circuit module figure of the experimental rig of different condition Lower shaft sleeve friction and wear behavior of the present invention；
Fig. 9 is seal closure a and workbench in a kind of experimental rig of different condition Lower shaft sleeve friction and wear behavior of the present invention
Structural schematic diagram when sealing；
Figure 10 is the structural representation of lasso a in a kind of experimental rig of different condition Lower shaft sleeve friction and wear behavior of the present invention
Figure；
Figure 11 is the structural representation of lasso b in a kind of experimental rig of different condition Lower shaft sleeve friction and wear behavior of the present invention
Figure.
In figure, 1. pedestals, 2. workbench, 3. seal closure a, 4. seal closure b, 5. guide rails, 6. grip devices, 7. tension and compression sensing
Device, 8. electromagnetic loading devices, 9. vibration excitors, 10. bearings, 11. main shafts, 12. friction mandrels, 13. support a, 14. variable-frequency motors, 15.
Support b, 16. outer housings, 17. deep groove ball bearings, 18. axle sleeve fixtures, 19. bearing (ball) covers, 20. end caps, 21. boss, 22. slot a,
23. slot b, 24. pressure sensors, 25. dynamometry blocks, 26. temperature sensors, 27. fixed frames, 28. linear motion bearings, 29. magnetic
Block, 30. guide rods, 31. skeletons, 32. shells, 33. coils, 34. adjusting rods, 35. moving armatures, 36. mandrils, 37. speed probes,
38. air inlet, 39. gas outlets, 40. pipeline a, 41. vacuum pumps, 42. pipeline b, 43. pressure gauges, 44. nitrogen machines, 45. air pressures
Contracting machine, 46. solenoid valves, 47. transmitters, 48. capture cards, 49. processors, 50. lasso a, 51. gaskets, 52. seam allowance a, 53.
Seam allowance b, 54. lasso b, 55. handles, 56. export.
Specific embodiment
The following describes the present invention in detail with reference to the accompanying drawings and specific embodiments.
A kind of experimental rig of different condition Lower shaft sleeve friction and wear behavior of the present invention, as shown in Figure 1, including being located at pedestal
Workbench 2 on 1, the surface of workbench 2 are connected with seal closure a3, and the bottom surface of workbench 2 is connected with seal closure b4, seal closure b4
It is inside provided with power device, the guide rail 5, grip device 6, tension-compression sensor 7, electromagnetism for being sequentially connected and connecing are provided in seal closure a3
Loading device 8 and vibration excitor 9, seal closure a3 are also connected with pneumatic shuttle, and guide rail 5 is column linear guide；Electromagnetic loading device 8
Dead load can be provided for the friction-wear test of different gap Lower shaft sleeve, vibration excitor 9 is for the dynamic of wide arc gap condition Lower shaft sleeve
Load friction-wear test.
As shown in Fig. 2, power device includes the main shaft 11 for being socketed with bearing 10, one end of main shaft 11 be pierced by workbench 2 and
With 12 Joint of friction mandrel, the other end of main shaft 11 is located in support a13 and is connected by V belt translation with variable-frequency motor 14, become
Frequency motor 14 is fixed on workbench 2 by support b15, and 12 one end of friction mandrel is in hollow columnar and is socketed on 11 end of main shaft；
V belt translation includes the main pulley that the slave belt wheel being socketed on main shaft 11 and variable-frequency motor 14 are socketed, and is passed through from belt wheel with main pulley synchronous
Band connection moves synchronously；It is connected between friction mandrel 12 and main shaft 11 by pin shaft.
As shown in figure 3, grip device 6 includes outer housing 16, deep groove ball bearing 17, the axle sleeve folder being successively socketed from outside to inside
Tool 18 and friction mandrel 12, the end face of deep groove ball bearing 17 are covered with bearing (ball) cover 19, have along 18 inner wall of axle sleeve fixture is circumferentially distributed
Boss 21 is placed axle sleeve test specimen on boss 21 and is fixed on axle sleeve fixture 18, and 12 end face of friction mandrel is connected with end cap 20, end cap
Magnetic patch 29 is provided on 20；As shown in figure 4, slot a22 and slot b23 are also distributed on outer housing 16, slot a22 inner wall is connected with pressure
Sensor 24, pressure sensor 24 are in contact with the dynamometry block 25 being arranged on axle sleeve fixture 18, and temperature biography is provided in slot b23
Sensor 26,26 one end of temperature sensor pass through fixed frame 27 and are connected with fixed frame 27,26 other end of temperature sensor and axis
Sleeve clamp 18 is flexibly connected and detachable, as shown in figure 5, being additionally provided with speed probe 37, speed probe on fixed frame 27
37 measure data by magnetic patch 29；16 one end of outer housing is also welded with the guide rail 5 being socketed in linear motion bearing 28, shell
16 other end of body has been connected through a screw thread tension-compression sensor 7.
As shown in fig. 6, electromagnetic loading device 8 includes columnar guide rod 30, the outer wall of guide rod 30 is successively socketed from inside to outside
There are skeleton 31 and shell 32, coil 33 is wound on skeleton 31,30 one end of guide rod is successively connected with adjusting rod 34 and tension and compression sensing
The other end of device 7, guide rod 30 is connected with moving armature 35, also by connecting vibration excitor with its affixed mandril 36 on moving armature 35
9, moving armature 35 is pushed guide rod 30 mobile, to apply a force upon axle sleeve test specimen and friction mandrel by suction after coil 33 is powered
On 12 contact surface.
As shown in Fig. 5,7, pneumatic shuttle includes the air inlet 38 being arranged on workbench 2 and gas outlet 39, gas outlet 39
It is connected to vacuum pump 41 by pipeline a40, air inlet 38 is sequentially communicated pressure gauge 43, nitrogen machine 44 and air pressure by pipeline b42
Contracting machine 45 is additionally provided with solenoid valve 46 on pipeline b42；Air inlet 38 and gas outlet 39 are respectively positioned in seal closure a3.
As shown in figure 8, tension-compression sensor 7 has been sequentially connected in series transmitter 47, capture card 48 and processor 49 by conducting wire, place
The data that reason device 49 acquires sensor are recorded, shown and are handled, and are also in series with pressure sensor respectively on transmitter 47
24, temperature sensor 26 and speed probe 37, conducting wire pass through the outlet 56 being arranged in seal closure a3 and draw.
The transparent bell jar shape of seal closure a3, as shown in figure 9, the bottom of seal closure a3 passes through the lasso a50 that is connected and close
Packing 51 is connect with workbench 2, and gasket 51 is in contact with workbench 2, as shown in Figure 10,11, along the even circumferential of lasso a50
It is distributed the seam allowance a52 of several boss-shapeds, seam allowance a52 is meshed with seam allowance b53, and seam allowance b53, which is evenly distributed on, is set to workbench 2
On lasso b54 circumference, be additionally provided with handle 55 on seal closure a3.
Seal closure b4 is cylindric in stainless steel.
The course of work of the invention: first according to requiring to select different experimental enviroments: 1) when carrying out vacuum test, leading to
Cross vacuum pump 41 to take the air in seal closure a3 away, 2) when carrying out nitrogen test, after evacuation, open air compressor
45 and nitrogen machine 44 suitable nitrogen is filled with into seal closure a3；Then according to require selection loading method: when carry out dead load
When wear test, adjusting is passed through when carrying out dynamic loading wear test by the size that electromagnetic loading device 8 changes loading force
Vibration excitor 9 changes amplitude and frequency.
Opening seal closure a3 will be fixed on axle sleeve fixture 18 after the weighing of axle sleeve test specimen, and vacuum pump 41 will be in seal closure a3
Air is taken away, then chooses whether to carry out experiment detection under a nitrogen, when dead load wear test, power on, in frequency conversion
Under the work of motor 14, main shaft 11 and friction mandrel 12 are started turning, and form relative motion with axle sleeve test specimen；The dress of electromagnetism load simultaneously
8 also setting in motions are set, moving armature 35 is pushed guide rod 30 mobile, to apply a force upon axle sleeve by suction after coil 33 is powered
On the contact surface of test specimen and friction mandrel 12, for better Adjustment Tests loading force, by adjusting 30 end of guide rod is arranged in
Adjusting rod 34 is implemented；When carrying out dynamic loading wear test, 33 no power of coil, by open vibration excitor 9 push guide rod 30 come
Sliding is returned, to drive the axle sleeve test specimen in axle sleeve fixture 18 to slidably reciprocate along axis direction, in axle sleeve test specimen and friction mandrel
The oscillating load for pressing varies with sinusoidal function is generated on 12 contact surface, the size of load can also pass through tension-compression sensor 7
It measures.After reaching the experimental period of setting, pressure sensor 24, temperature sensor 26, speed probe 37 and drawing
Obtained data are passed sequentially through transmitter 47 by conducting wire by pressure sensor 7, capture card 48 is delivered to processor 49, are opened close
Sealing cover a3 takes out axle sleeve test specimen, clean with alcohol washes, is put into high Accuracy Electronic Balance and weighs again, test front and back
The difference of weighing value is the abrasion loss of axle sleeve test specimen twice.
The test data that processor 49 records is saved, when carrying out axle sleeve friction-wear test, axle sleeve test specimen and friction mandrel
Frictional force f between 12 is applicable in formula (1),
Wherein, L is pressure sensor 24 at a distance from the contact position to 12 center of friction mandrel of dynamometry block 25, and R is
The radius of friction mandrel 12, N are the numerical value that pressure sensor 24 is tested.
Friction coefficient μ is calculated by formula (2),
Wherein μ is coefficient of friction, and frictional force of the f between axle sleeve test specimen and friction mandrel 12 can be obtained by formula (1), and F is axle sleeve
Normal pressure between test specimen and friction mandrel 12 is obtained by the detection of tension-compression sensor 7.
Beneficial effects of the present invention: 1) friction of axle sleeve test specimen can under air, vacuum or nitrogen three kind environment be carried out
Wear test research passes through the friction and wear behavior of comparison reflection test material of poor quality；2) 8 He of electromagnetic loading device is provided
Vibration excitor 9 can not only study the friction and wear behavior in dead weight Lower shaft sleeve test specimen and friction mandrel 12, and can study and work as
There are when wide arc gap between axle sleeve test specimen and friction mandrel 12, fretting wear situation of the axle sleeve test specimen under oscillating load, preferably
Simulate actual condition；3) torque of main shaft 11 can be increased using toothed belt transmission, when preventing high speed test axle sleeve test specimen with
Friction mandrel 12 occurs high temperature bond and damages variable-frequency motor 14；4) in the device sealing structure of seal closure a3 and workbench 2 it is simple,
Securely and reliably, good airproof performance, and seal closure a3 is easily disassembled；4) friction mandrel 12 and axle sleeve test specimen are separately fixed at 11 He of main shaft
On axle sleeve fixture 18, it is not only convenient for the disassembly and replacement of axle sleeve test specimen, and nitrogen used in test is by nitrogen machine 44
It obtained from air separation, will be easy to get and do not pollute the environment.
Claims (4)
1. a kind of experimental rig of different condition Lower shaft sleeve friction and wear behavior, which is characterized in that including being located on pedestal (1)
Workbench (2), the surface of workbench (2) are connected with seal closure a (3), and the bottom surface of workbench (2) is connected with seal closure b (4), close
It is provided with power device in sealing cover b (4), is provided with guide rail (5), the grip device for being sequentially connected and connecing in the seal closure a (3)
(6), tension-compression sensor (7), electromagnetic loading device (8) and vibration excitor (9), the seal closure a (3) are also connected with air pressure dress
It sets；
The power device includes being socketed with the main shafts (11) of bearing (10), one end of main shaft (11) be pierced by workbench (2) and
With friction mandrel (12) Joint, the other end of main shaft (11) is located in support a (13) and by V belt translation and variable-frequency motor (14)
It is connected, variable-frequency motor (14) is fixed on workbench (2) by support b (15), and the friction mandrel (12) one end is in hollow
Column and it is socketed on main shaft (11) end；
The grip device (6) includes the outer housing (16) being successively socketed from outside to inside, deep groove ball bearing (17), axle sleeve fixture
(18) and friction mandrel (12), the end face of the deep groove ball bearing (17) are covered with bearing (ball) cover (19), press from both sides along the axle sleeve
(18) inner wall is circumferentially distributed has boss (21) for tool, and the friction mandrel (12) end face is connected with end cap (20), and end cap is set on (20)
It is equipped with magnetic patch (29)；Slot a (22) and slot b (23) are also distributed on the outer housing (16), slot a (22) inner wall is connected with pressure
Sensor (24), pressure sensor (24) are in contact with the dynamometry block (25) being arranged on axle sleeve fixture (18), the slot b
(23) in be provided with temperature sensor (26), temperature sensor (26) both ends respectively with axle sleeve fixture (18) and fixed frame (27) phase
It connects, is additionally provided with speed probe (37) on fixed frame (27)；Described outer housing (16) one end, which is also welded with, to be socketed in directly
Guide rail (5) in line motion bearings (28), outer housing (16) other end have been connected through a screw thread tension-compression sensor (7)；
The electromagnetic loading device (8) includes columnar guide rod (30), and the outer wall of guide rod (30) is successively socketed with from inside to outside
Skeleton (31) and shell (32) are wound with coil (33) on skeleton (31), and the guide rod (30) one end is successively connected with adjusting
The other end of bar (34) and tension-compression sensor (7), guide rod (30) is connected with moving armature (35), on moving armature (35) also by with
Its affixed mandril (36) connects vibration excitor (9)；
The pneumatic shuttle includes the air inlet (38) being arranged on workbench (2) and gas outlet (39), and gas outlet (39) are logical
Piping a (40) is connected to vacuum pump (41), and the air inlet (38) is sequentially communicated pressure gauge (43), nitrogen by pipeline b (42)
Mechanism of qi (44) and air compressor (45) are additionally provided with solenoid valve (46) on pipeline b (42)；The air inlet (38) and outlet
Mouth (39) is respectively positioned in seal closure a (3).
2. a kind of experimental rig of different condition Lower shaft sleeve friction and wear behavior according to claim 1, which is characterized in that
The tension-compression sensor (7) has been sequentially connected in series transmitter (47), capture card (48) and processor (49) by conducting wire, described
Pressure sensor (24), temperature sensor (26) and speed probe (37) are also in series on transmitter (47) respectively.
3. a kind of experimental rig of different condition Lower shaft sleeve friction and wear behavior according to claim 1, which is characterized in that
The transparent bell jar shape of seal closure a (3), the bottom of seal closure a (3) pass through the lasso a (50) and gasket that are connected
(51) it is connect with workbench (2), gasket (51) is in contact with workbench (2), and the even circumferential distribution along lasso a (50) is several
The seam allowance a (52) of boss-shaped, seam allowance a (52) are meshed with seam allowance b (53), and seam allowance b (53), which is evenly distributed on, is set to workbench
(2) circumference of the lasso b (54) on is additionally provided with handle (55) on the seal closure a (3).
4. a kind of experimental rig of different condition Lower shaft sleeve friction and wear behavior according to claim 1, which is characterized in that
The seal closure b (4) is cylindric in stainless steel.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611038325.4A CN106769575B (en) | 2016-11-23 | 2016-11-23 | A kind of experimental rig of different condition Lower shaft sleeve friction and wear behavior |
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| CN201611038325.4A CN106769575B (en) | 2016-11-23 | 2016-11-23 | A kind of experimental rig of different condition Lower shaft sleeve friction and wear behavior |
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| CN106769575A CN106769575A (en) | 2017-05-31 |
| CN106769575B true CN106769575B (en) | 2019-06-18 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110220603B (en) * | 2019-05-22 | 2020-12-11 | 宁波大学 | Friction wear test temperature measurement system and method |
| CN110220810B (en) * | 2019-06-27 | 2021-11-05 | 西南交通大学 | Reciprocating sliding friction measurement test platform |
| CN111044401B (en) * | 2019-12-28 | 2022-08-09 | 中国人民解放军63919部队 | Portable dust abrasion testing device with vacuum chamber |
| CN113702229A (en) * | 2021-09-16 | 2021-11-26 | 青岛科技大学 | Impact sliding wear testing machine for vacuum bearing retainer |
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|---|---|---|---|---|
| CN201034897Y (en) * | 2007-05-24 | 2008-03-12 | 张国珍 | Vacuum low-temperature frictional wear tester |
| CN103743643A (en) * | 2013-12-26 | 2014-04-23 | 西安理工大学 | Shaft sleeve abrasion testing device under special gas atmosphere |
-
2016
- 2016-11-23 CN CN201611038325.4A patent/CN106769575B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201034897Y (en) * | 2007-05-24 | 2008-03-12 | 张国珍 | Vacuum low-temperature frictional wear tester |
| CN103743643A (en) * | 2013-12-26 | 2014-04-23 | 西安理工大学 | Shaft sleeve abrasion testing device under special gas atmosphere |
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|---|---|
| CN106769575A (en) | 2017-05-31 |
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