CN108387475A - A kind of swing fatigue under scrubbing testing machine - Google Patents
A kind of swing fatigue under scrubbing testing machine Download PDFInfo
- Publication number
- CN108387475A CN108387475A CN201810448539.1A CN201810448539A CN108387475A CN 108387475 A CN108387475 A CN 108387475A CN 201810448539 A CN201810448539 A CN 201810448539A CN 108387475 A CN108387475 A CN 108387475A
- Authority
- CN
- China
- Prior art keywords
- swing
- testing machine
- fatigue under
- machine frame
- sample
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 71
- 238000005201 scrubbing Methods 0.000 title claims abstract description 44
- 230000007246 mechanism Effects 0.000 claims abstract description 144
- 238000002474 experimental method Methods 0.000 claims abstract description 29
- 230000003028 elevating effect Effects 0.000 claims abstract description 14
- 230000008859 change Effects 0.000 claims abstract description 7
- 230000010355 oscillation Effects 0.000 claims description 4
- 238000003556 assay Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 14
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 8
- 238000004088 simulation Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 210000004907 gland Anatomy 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 208000002607 Pseudarthrosis Diseases 0.000 description 1
- 241000276425 Xiphophorus maculatus Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- G01N3/32—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
-
- 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
- G01N2203/0058—Kind of property studied
- G01N2203/0069—Fatigue, creep, strain-stress relations or elastic constants
- G01N2203/0073—Fatigue
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a kind of swing fatigue under scrubbing testing machines, including testing machine frame, it includes horizontally disposed weighted platform to test machine frame, weighted platform is equipped with to carry the first load carrier of sample, experiment machine frame is additionally provided with swing mechanism, swing mechanism is connected with swing-bar mechanism, swing-bar mechanism lower part is connected with friction portion and can be rotated with dynamic friction portion with the sample on the first load carrier that rubs, and experiment machine frame further includes that weighted platform movement can be pushed to change the elevating mechanism of load between the first load carrier and friction portion.Swing fatigue under scrubbing testing machine provided by the present invention can push swing-bar mechanism to swing by swing mechanism, and then drive the friction portion rotation of swing-bar mechanism lower part, the sample to rub on the first load carrier, the fatigue under scrubbing of test sample, the force-bearing situation of sample is similar with the force-bearing situation in real work during test, can significantly improve the accuracy of test.
Description
Technical field
The present invention relates to test equipment technical field, more particularly to a kind of swing fatigue under scrubbing testing machine.
Background technology
Selflubricating liner is made of the lower material of friction coefficient, is generally disposed at the guiding mechanism of oscillating bearing, guided missile
And in some other rotatable parts, play the role of reducing friction elongate member service life, the performance of selflubricating liner is
The performance of an important factor for influencing such rotatable parts service life, selflubricating liner usually are tested to obtain by testing machine.
Accurately to test the service life of selflubricating liner will further investigate the forms of motion of such rotatable parts.To close
For bearings, oscillating bearing is a kind of spherical bearing, can realize the rotation of any direction, oscillating bearing is by carrying interior ball
The outer ring in face and inner ring with spherical outside surface are constituted, and there are sliding friction, self-lubricating linings between outer ring and inner ring in rotation process
Pad is set between inner ring and outer ring.The common movement of oscillating bearing has swing, rotation and banking motion etc., is carried in joint shaft
In dynamic process, selflubricating liner is usually damaged because of unbalance stress, the movement shape of other rotatable parts and oscillating bearing
Formula is similar.
Testing machine in the prior art is mostly by the movement of rotary simulation oscillating bearing, its shortcoming is that selflubricating liner
During the test by uniform friction force effect, it is not inconsistent with the stress of selflubricating liner in actual use, and then cause
Test result is inaccurate.
Therefore, how to improve the accuracy of testing machine test result is that those skilled in the art need the technology solved to ask
Topic.
Invention content
The object of the present invention is to provide a kind of swing fatigue under scrubbing testing machines, can simulate selflubricating liner and use
Force-bearing situation in journey, test result accuracy are high.
To achieve the above object, the present invention provides a kind of swing fatigue under scrubbing testing machine, including experiment machine frame, the examination
It includes horizontally disposed weighted platform to test machine frame, and the weighted platform is equipped with to carry the first load carrier of sample, institute
It states experiment machine frame and is additionally provided with swing mechanism, the swing mechanism is connected with swing-bar mechanism, and the swing-bar mechanism lower part, which is connected with, rubs
Wiping portion and friction portion rotation can be driven with the sample on first load carrier that rubs, the experiment machine frame is also
Including the weighted platform movement can be pushed to change the lifting of load between first load carrier and the friction portion
Mechanism.
Preferably, the friction portion have to friction sample spherical surface, first load carrier be equipped with to institute
The first cavity of mating spherical surfaces is stated, sample is positioned in first cavity.
Preferably, the experiment machine frame is additionally provided with upper end workbench, and the upper end workbench is equipped with the second load carrier,
Second load carrier has the second cavity for being directed downward, and the friction part is in first load carrier and described the
Between two load carriers.
Preferably, the experiment machine frame is vertically equipped with column, and the upper end workbench is fixed on the column
Top, the weighted platform are slidably connected with the column.
Preferably, the swing mechanism includes oscillating rod, telescoping mechanism and rotating bracket,
The telescoping mechanism and the testing machine frame articulation, the telescopic end of the telescoping mechanism are cut with scissors with the rotating bracket
It connects；
The rotating bracket is also hinged with the experiment machine frame and the oscillating rod respectively；
One end of the oscillating rod is connected with the swing-bar mechanism by oscillating bearing, the other end of the oscillating rod and institute
State rotating bracket it is hinged by swinging end Bearning mechanism, so that the oscillating rod can rotate in perpendicular, the swing
Rotation section dress is additionally provided between end bearing mechanism and the rotating bracket, the rotation section dress can make the oscillating rod around itself and institute
State the tie point rotation of rotating bracket；
The experiment machine frame is equipped with two sets of swing mechanisms, the oscillating rods of two sets of swing mechanisms with the pendulum
Linkage is connected, and has predetermined angle between two oscillating rods.
Preferably, the swinging end Bearning mechanism includes first end and second end, and the first end connects with the oscillating rod
It connects, the second end and rotation section dress are hinged.
Preferably, rotation section dress includes portion's dress ontology of Y types, and portion's dress body upper part is equipped with to described the
The hinged hinge hole in two ends, portion's dress body lower part is cylindrical, and portion's dress body peripheral, which is equipped with, rotates bearing, described turn
Dynamic bearing is fixedly connected with the rotating bracket.
Preferably, it is equipped between the weighted platform and the elevating mechanism and is passed to measure the axial load of sample load
Sensor, axial load sensor top are equipped with axial sensor terminal pad, and the axial sensor terminal pad passes through taper
Loading disc supports the weighted platform.
Preferably, swinging load sensor, the swinging load sensing are equipped between the oscillating rod and the rotating bracket
Device is connected with by oscillation gauge terminal pad with the swinging end Bearning mechanism.
Preferably, further include be connected with the telescoping mechanism and the elevating mechanism, to Control Assay load and
The control device of weave mode.
The outer ring provided by the present invention for swinging fatigue under scrubbing testing machine and simulating oscillating bearing by the first load carrier, leads to
The inner ring of friction portion simulation oscillating bearing is crossed, sample is set on the first load carrier, is rubbed to sample by friction portion,
Lifting unit adjusts the height of weighted platform, and then adjusts size loaded on sample.
Swing mechanism pushes the movement of friction portion rotation simulation oscillating bearing, the process of friction portion rotation by swing-bar mechanism
It is similar to the actual motion process of oscillating bearing, also include swing, rotation and banking motion etc..During the test, friction portion
It is more concentrated with stress at some contacts of the first load carrier, this is identical as the stressing conditions of sample in actual operation,
Ensure that the test result of sample is accurate and reliable.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is the structural schematic diagram provided by the present invention for swinging fatigue under scrubbing testing machine；
Fig. 2 is the side view provided by the present invention for swinging fatigue under scrubbing testing machine；
Fig. 3 is the vertical view provided by the present invention for swinging fatigue under scrubbing testing machine；
Fig. 4 is the structural schematic diagram in friction portion in Fig. 1；
Fig. 5 is the structural schematic diagram of weighted platform in Fig. 1；
Fig. 6 is the structural schematic diagram of swing-bar mechanism in Fig. 1；
Fig. 7 is the structural schematic diagram of swinging end Bearning mechanism in Fig. 1；
Fig. 8 is the sectional view of swinging end Bearning mechanism connection ring in Fig. 1；
Fig. 9 is the structural schematic diagram that rotation section fills in Fig. 1；
Figure 10 is the structural schematic diagram of Fig. 1 transfer bearing housings.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In order to make those skilled in the art more fully understand the present invention program, below in conjunction with the accompanying drawings and it is embodied
The present invention is described in further detail for mode.
It is the structural schematic diagram provided by the present invention for swinging fatigue under scrubbing testing machine to please refer to Fig.1 to Figure 10, Fig. 1；Fig. 2
For the side view provided by the present invention for swinging fatigue under scrubbing testing machine；Fig. 3 tries for swing fatigue under scrubbing provided by the present invention
Test the vertical view of machine；Fig. 4 is the structural schematic diagram in friction portion in Fig. 1；Fig. 5 is the structural schematic diagram of weighted platform in Fig. 1；Fig. 6
For the structural schematic diagram of swing-bar mechanism in Fig. 1；Fig. 7 is the structural schematic diagram of swinging end Bearning mechanism in Fig. 1；Fig. 8 is to be put in Fig. 1
The sectional view of moved end Bearning mechanism connection ring；Fig. 9 is the structural schematic diagram that rotation section fills in Fig. 1；Figure 10 is shaft bearing in Fig. 1
The structural schematic diagram of seat.
Swing fatigue under scrubbing testing machine provided by the present invention includes experiment machine frame 1, as shown in Figure 1 to Figure 3, testing machine
Frame 1 is equipped with weighted platform 2 and swing mechanism 3, and sample is fixed on the first load carrier 21 of weighted platform 2 in test process
On；Swing mechanism 3 is connected with swing-bar mechanism 4, and 4 lower part of swing-bar mechanism is connected with friction portion 5, friction portion 5 and sample contacts, oscillating machine
Structure 3 is rotated by swing-bar mechanism 4 with dynamic friction portion 5, is made the sample on first load carrier 21 of the friction of friction portion 5, is tested machine frame
Frame 1 is additionally provided with elevating mechanism 22, and elevating mechanism 22 can push weighted platform 2 to move, to change the first load carrier 21 with
The load that sample between friction portion 5 is born.
First load carrier 21 can fit with friction portion 5, to apply load, 21 mould of the first load carrier to sample
The outer ring of pseudarthrosis bearing, the inner ring of oscillating bearing is simulated in friction portion 5, as shown in figure 4, friction portion 5 can be in spherical or outer surface
With spherical surface 51, there is the first load carrier 21 first cavity 210, the first cavity 210 to have the Internal Spherical Surface coordinated with spherical surface 51,
The first load carrier 21 can apply friction portion 5 component of horizontal direction during friction portion 5 moves, and make friction portion 5
It only rotates without the translation of horizontal direction.
Friction portion 5 can be connected with swing-bar mechanism 4 by modes such as welding, pin joint or threaded connections, since sample is in difference
Service life in the oscillating bearing of size often differs larger, and the fatigue under scrubbing of sample needs to be directed to various sizes of joint shaft
It holds and is tested, so swinging fatigue under scrubbing testing machine needs replacing various sizes of friction portion 5.In order to facilitate replacement, friction
It is mostly used between portion 5 and swing-bar mechanism 4 and dismountable connection type such as is threadedly coupled.Specifically, mounting hole is equipped in friction portion 5,
There is mounting hole internal thread, 4 lower part of swing-bar mechanism to have external screw thread, is attached by internal and external threads mutual cooperation；Obviously it is
It matching with friction portion 5, various sizes of first load carrier 21 can also be installed by swinging fatigue under scrubbing testing machine, therefore the
One load carrier 21 and weighted platform 2 also generally use such as are bolted at dismountable connection type.
Swing-bar mechanism 4 is vertically arranged, and friction portion 5 is installed on the lower part of swing-bar mechanism 4, and swing mechanism 3 can push away
Movable pendulum linkage 4 is swung, and then swing-bar mechanism 4 is made to be rotated in the first load carrier 21 with dynamic friction portion 5, it is clear that swing-bar mechanism
4 be the centre of sphere swing around the spherical surface 51 that rubs.Swing mechanism 3 is connected with the top of swing-bar mechanism 4, oscillating machine during movement
Angle between structure 3 and swing-bar mechanism 4 constantly changes, therefore swing mechanism 3 can be connected with swing-bar mechanism 4 by oscillating bearing.
Swing mechanism 3 needs to push swing-bar mechanism 4 along X-direction and Y direction, and swinging fatigue under scrubbing testing machine can pass through
Individual swing mechanism 3 pushes swing-bar mechanism 4, and swing mechanism 3 may include tilting member and extensible member at this time, pass through swing part
Part pushes swing-bar mechanism 4 to generate the movement of X-direction, and the movement of the generation Y direction of swing-bar mechanism 4 is pushed by extensible member,
Tilting member can be specially hydraulic swing motor, and extensible member can be specially hydraulic cylinder；Swinging fatigue under scrubbing testing machine can be with
Swing-bar mechanism 4 is pushed from both direction respectively by two sets of swing-bar mechanisms 4, oscillating bearing is simulated in the superposition moved by the two
The forms of motion of the component of inner ring connection in actual operation, specific swing-bar mechanism 4 may include two hydraulic cylinders, respectively from X
Axis direction and Y direction push swing-bar mechanism 4.Certain user can also select the swing mechanism 3 of other structures as needed, herein
It does not limit.
Elevating mechanism 22 can push weighted platform 2 to move up and down, while the first load carrier 21 being driven to move up and down, into
And changing the load that sample is born, elevating mechanism 22 can be specially axially loaded oil cylinder, and axially loaded oil cylinder is vertically
Setting, piston are fixedly connected with weighted platform 2, and piston can drive weighted platform 2 to move up and down when flexible, and certain user also may be used
To use cylinder or electric telescopic rod as elevating mechanism 22 as needed, do not limit herein.
In the present embodiment, swings fatigue under scrubbing testing machine and be equipped with swing mechanism 3, swing mechanism 3 is pushed by swing-bar mechanism 4
The sample that friction portion 5 rubs on the first load carrier 21 is tested the fatigue under scrubbing of selflubricating liner sample, is swung in test process
Fatigue under scrubbing testing machine can simulate force-bearing situation of the oscillating bearing in practical work process, keep test result more accurate；
In addition it is all made of between friction portion 5 and swing-bar mechanism 4 and between the first load carrier 21 and weighted platform 2 and removably connects
Mode is connect, friction portion 5 and the first load carrier 21 are convenient for changing, enables swing fatigue under scrubbing testing machine test sample in difference
Service life in the oscillating bearing of size.
To improve testing efficiency, also upper end workbench 6, upper end work can be arranged in the top in friction portion 5 in experiment machine frame 1
Platform 6 is equipped with the second load carrier 61, and there is the second load carrier 61 the second cavity 610 being directed downward, the second cavity 610 also to have
There is an Internal Spherical Surface coordinated with the spherical surface in friction portion 5 51, sample can be fixed on by the modes such as pasting in the second cavity 610, be rubbed
Portion 5 is between the first load carrier 21 and the second load carrier 61, when friction portion 5 rotates, can rub and first hold simultaneously
Sample in mounted mechanism 21 and the second load carrier 61.
Upper end workbench 6 and the second load carrier 61 are equipped with the through-hole in impenetrating thickness direction, as shown in figure 3, through-hole
Axis passes through the centre of sphere of spherical surface 51, and swing-bar mechanism 4 is connected across through-hole with friction portion 5, is equipped between through-hole and swing-bar mechanism 4 reserved
Gap avoids swing-bar mechanism 4 from colliding with through-hole side wall during swing, and corrugated bushing can be also arranged in through-hole periphery
62, the lower end of corrugated bushing 62 is connected with upper end workbench 6, and upper end is connected with swing-bar mechanism 4, and corrugated bushing 62 can play
The effects that absorbing impact force, dust avoided to fall into swing-bar mechanism 4.Since oscillating bearing also is provided with through axial via, second
Load carrier 61 be arranged through-hole do not interfere with test as a result, certain first load carrier 21 may also set up same through-hole.
Test machine frame 1 and be equipped with column 7, upper end workbench 6 is supported by column 7, the quantity of column 7 be usually two or
Two or more, weighted platform 2 can slide up and down between column 7 under the promotion of elevating mechanism 22 along column 7.
There is the step surface of direction upward, upper end workbench 6 to have peace corresponding with 7 position of column on the top of column 7
The periphery of dress hole, step surface and mounting hole offsets, and 7 upper end of column is additionally provided with the position that column locknut 71 fixes upper end workbench 6；
Weighted platform 2 includes load plate, and load plate is equipped with the interconnecting piece 23 of tubular, and interconnecting piece 23 includes tubular body 231, tubular body
231 are sheathed on the periphery of column 7, and the inside side wall of interconnecting piece 23 is equipped with self-lubricating bearing 232 and reduces between interconnecting piece 23 and column 7
Frictional resistance, self-lubricating bearing 232 is fixed on by interconnecting piece bearing gland 233 in interconnecting piece 23.
In the present embodiment, experiment machine frame 1 is additionally provided with upper end workbench 6, and upper end workbench 6 is equipped with 610 court of the second cavity
Under the second load carrier 61, swing fatigue under scrubbing testing machine two parts of samples can once be tested, can greatly carry
High testing efficiency, upper end workbench 6 are supported by column 7, while column 7 is slidably connected with weighted platform 2, and column 7 can be right
Weighted platform 2 is limited, and keeps holding during moving up and down of weighted platform 2 horizontal, and then ensure to be applied on sample
Uniform load distribution.
Oscillating bearing forms of motion in different equipment is different, the influence that the forms of motion of oscillating bearing wears sample
It is larger.To enable swing fatigue under scrubbing testing machine to simulate the various forms of motion of oscillating bearing, friction is swung in the present embodiment
Fatigue tester is equipped with two sets of swing mechanisms 3, and swing mechanism 3 includes oscillating rod 33, telescoping mechanism 31 and rotating bracket 32, is turned
Dynamic holder 32 is hinged with oscillating rod 33, telescoping mechanism 31 and experiment machine frame 1 respectively, and telescoping mechanism 31 pushes rotating bracket 32
It is rotated around the hinge joint of itself and experiment machine frame 1, oscillating rod 33 is horizontally disposed, energy during rotating bracket 32 rotates
Enough telescoping mechanism 31 is pushed to move in the horizontal direction；The oscillating rod 33 of two sets of swing mechanisms 3 is connected with swing-bar mechanism 4, and two
There is predetermined angle, moving horizontally for two oscillating rods 33 to be superimposed to form various forms of motion between oscillating rod 33.
One end of oscillating rod 33 is connected with swing-bar mechanism 4 by oscillating bearing 42, as shown in fig. 6, the top of swing-bar mechanism 4
If there are two ball hinges 41, two ball hinges 41 are connected with the oscillating rod of two sets of swing mechanisms 3 33 respectively, specifically, ball hinge
Oscillating bearing 42 is set between 41 and swing-bar mechanism 4, and ball hinge 41 and the outer ring of oscillating bearing 42 are fixed, swing-bar mechanism 4 and joint
The inner ring of bearing 42 is fixed, and ball hinge 41 can be rotated relative to swing-bar mechanism 4, and the upper end of swing-bar mechanism is equipped with bearing locking nut 43.
There is predetermined angle between the oscillating rod 33 of two sets of swing mechanisms 3, experiment machine frame 1 is cuboid framework 1 in the present embodiment, two
Set swing mechanism 3 is located at two adjacent sides of experiment machine frame 1, and oscillating rod 33 is stretched to from the side of experiment machine frame 1
The swing-bar mechanism 4 in the center of machine frame 1 is tested, the predetermined angle between two oscillating rods 33 is 90 °, and certain predetermined angle is alternatively it
His numerical value, does not limit herein.
The other end of oscillating rod 33 is connect with swinging end Bearning mechanism 34, and swinging end Bearning mechanism 34 can make oscillating rod 33
It can be swung in perpendicular, rotation section is additionally provided between swinging end Bearning mechanism 34 and rotating bracket 32 and fills 35, rotation section dress
35 can be such that oscillating rod 33 is rotated in horizontal plane around oscillating rod 33 and the tie point of rotating bracket 32.
The structure of swinging end Bearning mechanism 34 is as shown in Figure 7 and Figure 8, including first end 343 and second end 344, first end
The modes such as 343 is plate-like, and first end 343 can be bolted or weld with oscillating rod 33 are connect；Second end 344 is connection
Ring, connection ring are vertically arranged, and angular contact bearing 3441, connecting shaft 36 and angular contact bearing 3441 are provided in connection ring
Inner ring fix, to enable oscillating rod 33 to be rotated around the axis of angular contact bearing 3441, be also provided with axle sleeve in connection ring
3442 and swinging end bearing gland 3443 fix angular contact bearing 3441 position.
Rotation section fills 35 structure as shown in figure 9, portion's dress ontology 351 including Y types, portion fills two of 351 top of ontology
Branch is equipped with hinge hole, and Liang Ge branches are inserted into the both sides of connection ring, connecting shaft 36 be inserted into two connecting holes and with connect
The inner ring of ring middle (center) bearing is fixed, and the portion of making fills ontology 351 and is hinged with swinging end Bearning mechanism 34, and it is in cylinder that portion, which fills 351 lower part of ontology,
Shape, portion fill 351 periphery of ontology and are equipped with rotation bearing 352, and taper roller axis can be arranged between portion's dress ontology 351 and rotation bearing 352
353 are held, dress ontology 351 in the middle part of rotation process is reduced and rotates the friction between bearing 352, rotates bearing 352 and rotating bracket
32 are fixedly connected.Portion fills ontology 351 and can be rotated relative to rotation bearing 352, to make the swing being connected with portion's dress ontology 351
Bar 33 can in the horizontal direction be swung relative to rotating bracket 32.
Rotating bracket 32 is the platy structure of triangle, and plate face is vertically arranged, three apex angles respectively with rotation
Portion fills 35, telescoping mechanism 31 and experiment machine frame 1 is connected, and as described above, rotating bracket 32 is fixed with rotation bearing 352 to be connected
It connects, specifically, a plurality of dowel can be arranged in the plate face of rotating bracket 32, is fixed with rotation bearing 352 equal by dowel；Examination
Testing machine frame 1, also there is lower end workbench 8, column 7 described above to be fixed on the upper surface of lower end workbench 8, lower end work
The side of 8 upper surface of platform is additionally provided with carrier base 81, and the top of carrier base 81 is fixed with shaft bearing seat 811, shaft bearing seat 811
Structure it is as shown in Figure 10, shaft bearing seat 811 has perforative bearing hole in the horizontal direction, and deep-groove ball is mounted in bearing hole
Bearing 812, shaft 82 pass through the inner ring of bearing hole and deep groove ball bearing 812 to fix, and the cross section of 82 both side ends of shaft is in square
Shape, two adjacent sides of 82 side of shaft are fixed by bolt and the dowel of rotating bracket 32；Telescoping mechanism 31 can have
Body is cylinder or hydraulic cylinder etc., and cylinder sleeve and experiment machine frame 1 are hinged, and piston is hinged with rotating bracket 32, and articulated manner can join
The prior art is examined, details are not described herein.The other shapes outside triangle also can be selected in rotating bracket 32, do not limit herein.
In the present embodiment, swing mechanism 3 includes oscillating rod 33, rotating bracket 32 and telescoping mechanism 31,31 energy of telescoping mechanism
82 rotation around the shaft of rotating bracket 32 is enough pushed, and then oscillating rod 33 is pushed to be axially moveable.Fatigue under scrubbing testing machine is swung to set
There are two sets of swing mechanisms 3, the movement locus of two sets of swing mechanisms 3 superposition that can simulate the actual working condition of oscillating bearing, put
The action of motivation structure 3 can be controlled by telescoping mechanism 31.During two sets of movement superpositions of swing mechanism 3, oscillating rod 33
The swing in horizontal and vertical direction is will produce, swinging end Bearning mechanism 34 and rotation are provided between oscillating rod 33 and rotating bracket 32
Portion fills 35, and oscillating rod 33 is enable flexibly to swing, and reduces the stress and friction between oscillating rod 33 and rotating bracket 32.
Top for the load that detection sample is born, axially loaded oil cylinder piston is provided with axial load sensor 221,
221 top of axial load sensor is equipped with axial sensor terminal pad 222, and axial sensor terminal pad 222 is loaded by taper
223 supporting loading platform 2 of disk, when the piston of axially loaded oil cylinder stretches out, axial load sensor 221 is able to detect that piston
With the pressure between weighted platform 2, to obtain the axial load suffered by sample.
It swings fatigue under scrubbing testing machine and is provided with swinging load sensor also between oscillating rod 33 and rotating bracket 32
341, swinging load sensor 341 is fixed with oscillating rod 33, and passes through oscillation gauge terminal pad 342 and oscillation bearing mechanism
First end 344 is fixed, and when oscillating rod 33 generates axial movement, swinging load sensor 341 is able to detect that swing-bar mechanism 4 is put
The load born when dynamic.
It further includes control device, control device and axial load sensor 221, swinging load to swing fatigue under scrubbing testing machine
Sensor 341, telescoping mechanism 31 and elevating mechanism 22 are connected, and control device can judge sample according to the measured value of sensor
The size of institute's bearing load, and change the load of sample born by telescoping mechanism 31 and elevating mechanism 22 or change and rub
The motor pattern in portion 5.Control device can MCU controllers, microcontroller or microcomputer, concrete function and structure can refer to existing
There is technology, details are not described herein.
In the present embodiment, swings fatigue under scrubbing testing machine and pass through axial load sensor 221 and swinging load sensor 341
The load that sample is born is measured, control device is capable of the measurement result of receiving sensor, and passes through telescoping mechanism 31 and lifting
Mechanism 22 changes the load that sample is born, and the motor pattern in control friction portion 5, and swing fatigue under scrubbing testing machine is made to accomplish
The parameters such as detection load, friction torque, friction coefficient, wear extent, swing angle, speed in real time, react sample to objective reality
Comprehensive performance under applying working condition.
It is test selflubricating liner in high temperature or low in addition, oscillating bearing also often works in high temperature or low temperature environment
Service life in warm environment, experiment machine frame 1 are also provided with enclosure space.Specifically, the quantity of column 7 is four, and it is in
For distributed rectangular in 5 surrounding of friction portion, four sides between lower end workbench 8 and upper end workbench 6 are provided with side wall, upper end
Space between workbench 6, lower end workbench 8 and side wall is enclosure space, and heating device or cooling can be arranged in enclosure space
Device is to change the temperature in enclosure space, and heating device can refer to electric heater etc., and heat sink can refer to air conditioner etc..
It in the present embodiment, swings fatigue under scrubbing testing machine and is equipped with enclosure space, by the temperature simulation for changing enclosure space
Selflubricating liner works in high temperature or low temperature environment, to test service life of the selflubricating liner in extreme environment.
It should be noted that in the present specification, such as first and second etc relational terms are used merely to one
Entity is distinguished with other several entities, and without necessarily requiring or implying between these entities, there are any this actual
Relationship or sequence.
Swing fatigue under scrubbing testing machine provided by the present invention is described in detail above.It is used herein specifically
Principle and implementation of the present invention are described for a example, and the explanation of above example is only intended to help to understand the present invention
Method and its core concept.It should be pointed out that for those skilled in the art, not departing from original of the invention
, can be with several improvements and modifications are made to the present invention under the premise of reason, these improvement and modification also fall into right of the present invention and want
In the protection domain asked.
Claims (10)
1. a kind of swing fatigue under scrubbing testing machine, which is characterized in that including experiment machine frame (1), experiment machine frame (1) packet
Horizontally disposed weighted platform (2) is included, the weighted platform (2) is equipped with to carry the first load carrier (21) of sample, institute
It states experiment machine frame (1) and is additionally provided with swing mechanism (3), the swing mechanism (3) is connected with swing-bar mechanism (4), the rocker mechanism
Structure (4) lower part is connected with friction portion (5) and friction portion (5) rotation can be driven with first load carrier (21) of rubbing
On sample, the experiment machine frame (1) further includes that the weighted platform (2) can be pushed mobile to change first carrying
The elevating mechanism (22) of load between mechanism (21) and the friction portion (5).
2. swing fatigue under scrubbing testing machine according to claim 1, which is characterized in that the friction portion (5) have to
The spherical surface (51) of friction sample, first load carrier (21) are equipped with the first cavity to coordinate with the spherical surface (51)
(210), sample is positioned in first cavity (210).
3. swing fatigue under scrubbing testing machine according to claim 2, which is characterized in that the experiment machine frame (1) also sets
There are upper end workbench (6), the upper end workbench (6) to be equipped with the second load carrier (61), the second load carrier (61) tool
There are the second cavity (610) being directed downward, the friction portion (5) to be located at first load carrier (21) and second carrying
Between mechanism (61).
4. swing fatigue under scrubbing testing machine according to claim 3, which is characterized in that the experiment machine frame (1) is along perpendicular
For histogram to equipped with column (7), the upper end workbench (6) is fixed on the column (7) top, the weighted platform (2) and institute
Column (7) is stated to be slidably connected.
5. swing fatigue under scrubbing testing machine according to any one of claims 1 to 4, which is characterized in that the oscillating machine
Structure (3) includes oscillating rod (33), telescoping mechanism (31) and rotating bracket (32),
The telescoping mechanism (31) and the experiment machine frame (1) are hinged, the telescopic end of the telescoping mechanism (31) and described turn
Dynamic holder (32) is hinged；
The rotating bracket (32) is also hinged with the experiment machine frame (1) and the oscillating rod (33) respectively；
One end of the oscillating rod (33) is connected with the swing-bar mechanism (4) by oscillating bearing, the oscillating rod (33) it is another
One end is hinged with the rotating bracket (32) by swinging end Bearning mechanism (34), so that the oscillating rod (33) can be vertical
Rotation in surface is additionally provided with rotation section dress (35), the rotation between the swinging end Bearning mechanism (34) and the rotating bracket
Portion's dress (35) can be such that the oscillating rod (33) is rotated around the tie point of itself and the rotating bracket (32)；
The experiment machine frame (1) is equipped with two sets of swing mechanisms (3), the oscillating rod (33) of two sets of swing mechanisms (3)
It is connected with the swing-bar mechanism (4), there is predetermined angle between two oscillating rods (33).
6. swing fatigue under scrubbing testing machine according to claim 5, which is characterized in that the swinging end Bearning mechanism (34)
Including first end (343) and second end (344), the first end (343) connect with the oscillating rod (33), the second end
(344) hinged with rotation section dress (35).
7. swing fatigue under scrubbing testing machine according to claim 6, which is characterized in that the rotation section dress (35) includes Y
Portion's dress ontology (351) of type, portion's dress ontology (351) top are equipped with to the hinge hole hinged with the second end (344),
Portion's dress ontology (351) lower part is cylindrical, and portion's dress ontology (351) periphery is equipped with rotation bearing (352), the rotation
Bearing (352) is fixedly connected with the rotating bracket (32).
8. swing fatigue under scrubbing testing machine according to claim 7, which is characterized in that the weighted platform (2) with it is described
It is equipped between elevating mechanism (22) to measure the axial load sensor (221) of sample load, the axial load sensor
(221) top is equipped with axial sensor terminal pad (222), and the axial sensor terminal pad (222) passes through taper loading disc
(223) weighted platform (2) is supported.
9. swing fatigue under scrubbing testing machine according to claim 8, which is characterized in that the oscillating rod (33) and described turn
It is equipped with swinging load sensor (341) between dynamic holder (32), the swinging load sensor (341) connects with by oscillation gauge
Disk (342) is connect with the swinging end Bearning mechanism (34) to be connected.
10. swing fatigue under scrubbing testing machine according to claim 9, which is characterized in that further include and the telescoping mechanism
(31) it is connected with the elevating mechanism (22), to the load of Control Assay and the control device of weave mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810448539.1A CN108387475B (en) | 2018-05-11 | 2018-05-11 | Swing friction fatigue testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810448539.1A CN108387475B (en) | 2018-05-11 | 2018-05-11 | Swing friction fatigue testing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108387475A true CN108387475A (en) | 2018-08-10 |
| CN108387475B CN108387475B (en) | 2024-05-28 |
Family
ID=63070481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810448539.1A Active CN108387475B (en) | 2018-05-11 | 2018-05-11 | Swing friction fatigue testing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108387475B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109596448A (en) * | 2018-12-21 | 2019-04-09 | 中国船舶重工集团公司第七0研究所 | Mooring guy system tester of abrasion resistant |
Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003130047A (en) * | 2001-10-23 | 2003-05-08 | Ntn Corp | Universal joint with multi-degree of freedom |
| CN1818599A (en) * | 2006-03-17 | 2006-08-16 | 燕山大学 | Apparatus for testing fatigue strength of axial hinge bearing of helicopter |
| CN2876754Y (en) * | 2006-03-17 | 2007-03-07 | 燕山大学 | Internal oscillation type fatique tester for joint bearing of automatic clinometer of helicopter rotary swing |
| CN101363788A (en) * | 2008-10-08 | 2009-02-11 | 燕山大学 | High-speed light-load fibrage composite self-lubricating bearing strip performance test machine |
| CN101363787A (en) * | 2008-10-08 | 2009-02-11 | 燕山大学 | Slow-speed heavy-load fibrage composite self-lubricating bearing strip performance test machine |
| CN101825544A (en) * | 2010-05-06 | 2010-09-08 | 上海大学 | Single-drive double-axial rotating and swinging sphere-block abrasion tester |
| CN102156096A (en) * | 2011-04-07 | 2011-08-17 | 河南科技大学 | Test stand for detecting friction performance of self-lubricating oscillating bearing liner |
| CN103162953A (en) * | 2013-02-27 | 2013-06-19 | 燕山大学 | Self-lubricating liner performance testing machine |
| CN103940733A (en) * | 2014-04-21 | 2014-07-23 | 中国矿业大学 | Micro-slip test platform for friction liner of elevator |
| CN103994890A (en) * | 2014-06-06 | 2014-08-20 | 中国航空综合技术研究所 | Swing wear life test clamp of joint bearing |
| CN105136459A (en) * | 2015-08-18 | 2015-12-09 | 燕山大学 | Testing machine for joint bearings combined and matched with swing cylinder type helicopter tail rotor system |
| CN205580876U (en) * | 2016-04-08 | 2016-09-14 | 广州汽车集团股份有限公司 | Two power pole fatigue test stand framves |
| CN106092794A (en) * | 2016-06-18 | 2016-11-09 | 上海大学 | Reciprocating double friction wear testing machine |
| CN106769038A (en) * | 2016-12-12 | 2017-05-31 | 长春机械科学研究院有限公司 | One kind combination loading movable joint bearing tester |
| CN107328574A (en) * | 2017-08-04 | 2017-11-07 | 北京大学第三医院 | A kind of knee Stability and kinematics characteristic test device |
| CN107560932A (en) * | 2017-10-12 | 2018-01-09 | 燕山大学 | Double-conical-surface axle sleeve type self-lubricating oscillating bearing liner frictional wear test device |
| CN208171777U (en) * | 2018-05-11 | 2018-11-30 | 吉林大学 | A kind of swing fatigue under scrubbing testing machine |
-
2018
- 2018-05-11 CN CN201810448539.1A patent/CN108387475B/en active Active
Patent Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003130047A (en) * | 2001-10-23 | 2003-05-08 | Ntn Corp | Universal joint with multi-degree of freedom |
| CN1818599A (en) * | 2006-03-17 | 2006-08-16 | 燕山大学 | Apparatus for testing fatigue strength of axial hinge bearing of helicopter |
| CN2876754Y (en) * | 2006-03-17 | 2007-03-07 | 燕山大学 | Internal oscillation type fatique tester for joint bearing of automatic clinometer of helicopter rotary swing |
| CN101363788A (en) * | 2008-10-08 | 2009-02-11 | 燕山大学 | High-speed light-load fibrage composite self-lubricating bearing strip performance test machine |
| CN101363787A (en) * | 2008-10-08 | 2009-02-11 | 燕山大学 | Slow-speed heavy-load fibrage composite self-lubricating bearing strip performance test machine |
| CN101825544A (en) * | 2010-05-06 | 2010-09-08 | 上海大学 | Single-drive double-axial rotating and swinging sphere-block abrasion tester |
| CN102156096A (en) * | 2011-04-07 | 2011-08-17 | 河南科技大学 | Test stand for detecting friction performance of self-lubricating oscillating bearing liner |
| CN103162953A (en) * | 2013-02-27 | 2013-06-19 | 燕山大学 | Self-lubricating liner performance testing machine |
| CN103940733A (en) * | 2014-04-21 | 2014-07-23 | 中国矿业大学 | Micro-slip test platform for friction liner of elevator |
| CN103994890A (en) * | 2014-06-06 | 2014-08-20 | 中国航空综合技术研究所 | Swing wear life test clamp of joint bearing |
| CN105136459A (en) * | 2015-08-18 | 2015-12-09 | 燕山大学 | Testing machine for joint bearings combined and matched with swing cylinder type helicopter tail rotor system |
| CN205580876U (en) * | 2016-04-08 | 2016-09-14 | 广州汽车集团股份有限公司 | Two power pole fatigue test stand framves |
| CN106092794A (en) * | 2016-06-18 | 2016-11-09 | 上海大学 | Reciprocating double friction wear testing machine |
| CN106769038A (en) * | 2016-12-12 | 2017-05-31 | 长春机械科学研究院有限公司 | One kind combination loading movable joint bearing tester |
| CN107328574A (en) * | 2017-08-04 | 2017-11-07 | 北京大学第三医院 | A kind of knee Stability and kinematics characteristic test device |
| CN107560932A (en) * | 2017-10-12 | 2018-01-09 | 燕山大学 | Double-conical-surface axle sleeve type self-lubricating oscillating bearing liner frictional wear test device |
| CN208171777U (en) * | 2018-05-11 | 2018-11-30 | 吉林大学 | A kind of swing fatigue under scrubbing testing machine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109596448A (en) * | 2018-12-21 | 2019-04-09 | 中国船舶重工集团公司第七0研究所 | Mooring guy system tester of abrasion resistant |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108387475B (en) | 2024-05-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107179252B (en) | A kind of typical secondary skimming wear experimental machine and the test method of rubbing of change gravity orientation | |
| CN208171777U (en) | A kind of swing fatigue under scrubbing testing machine | |
| CN104880308B (en) | A kind of main shaft axial force isostatic pressed loading device | |
| CN209495927U (en) | It is a kind of to be axially stretched and rotating bending test machine | |
| CN111707418B (en) | Dynamic sealing performance testing device and method for shield tail brush | |
| CN207488156U (en) | One bulb disk-type friction abrasion tester | |
| CN105783828A (en) | Ball-ring mode thickness measuring device for lubricating oil film | |
| CN109900408A (en) | A kind of electronic servo-loading unit of friction material chase testing machine | |
| CN108387475A (en) | A kind of swing fatigue under scrubbing testing machine | |
| CN207317664U (en) | Flexible flywheel end face run-out detection device | |
| CN207379856U (en) | A kind of friction wear testing machine | |
| CN108375450A (en) | A kind of torque spanner calibrating installation | |
| CN205620089U (en) | Waterproof nature testing arrangement of glass | |
| CN209014413U (en) | A kind of ball head durability experimental rig of four-dimensional load | |
| CN208688703U (en) | A kind of equipment and torque test platform | |
| CN219104623U (en) | Dynamic force calibration device suitable for fatigue testing machine | |
| US3060734A (en) | Tire, wheel and/or brake testing apparatus | |
| CN106913400B (en) | Fluid pressure type Three Degree Of Freedom artificial hip joint testing machine | |
| CN106402178A (en) | Assembling device for thin-walled ball-free notch self-lubricating aluminum alloy knuckle bearing | |
| CN216050019U (en) | Arm joint module testing arrangement | |
| RU2476854C2 (en) | Test setup of specimen from material with shape memory, at complex stress condition | |
| KR100422424B1 (en) | a | |
| CN208125381U (en) | The experimental rig of axial workpiece anti-seizing property can be measured | |
| JP2018119803A (en) | Rubbing and abrasion testing machine | |
| CN206074352U (en) | Knuckle rigidly fixes wheel hub rotary bending testing machine Hub fixture |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |