CN107705691A - A kind of structure and method of rotor bearing experimental bench and quick-replaceable experimental piece - Google Patents
A kind of structure and method of rotor bearing experimental bench and quick-replaceable experimental piece Download PDFInfo
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- CN107705691A CN107705691A CN201710668779.8A CN201710668779A CN107705691A CN 107705691 A CN107705691 A CN 107705691A CN 201710668779 A CN201710668779 A CN 201710668779A CN 107705691 A CN107705691 A CN 107705691A
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- G09B25/00—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes
- G09B25/02—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes of industrial processes; of machinery
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Abstract
The invention discloses the structure of a kind of rotor bearing experimental bench and quick-replaceable experimental piece, including base unit, motor, stepless time adjustment unit, bearing loading unit, bearing test cell, rotor test unit, bearing to be measured, armature spindle to be measured and brake unit；Motor, stepless time adjustment unit, bearing loading unit, bearing test cell, rotor test unit and brake unit are separately positioned on base unit table top；Bearing to be measured is arranged on bearing test cell, and armature spindle to be measured is arranged on rotor test unit；Motor and bearing test cell drive connection；Brake unit connects with the braking of bearing test cell；Bearing loading unit connects with bearing to be measured loading, and bearing loading unit can apply external applied load to bearing to be measured；Motor passes through stepless time adjustment unit and rotor test unit drive connection；This testing stand load maintainer can be loaded with multi-angle, and novel combination type splined shaft realizes quick-replaceable and the installation of measured bearing.
Description
Technical field
The invention belongs to field of experiment equipment, more particularly to a kind of rotor-bearing experimental bench and quick-replaceable experimental piece
Structure and method.
Background technology
With the rapid development of economy, application of all trades and professions for machine is more and more extensive.And in all kinds of machines, surpass
Crossing in eighty per cant machine has rotor-bearing system.The working condition of rotor-bearing system directly affects the operation shape of an equipment
State.
The failure of rotor-bearing system is multiple and form differs, once occurrence of equipment failure, gently then influences production, reduces
The performance of enterprises, it is heavy then cause personal safety as well as the property safety accident.Technology for mechanical fault diagnosis can find to set in the industrial production in advance
Standby failure, prevent stopping production and the generation of major accident.Thus, rotor-bearing experimental bench is built, studies rotor-bearing system
Failure extracts problem, for enterprise production efficiency and ensures that production safety is most important.
The content of the invention
Goal of the invention：In order to overcome the deficiencies in the prior art, the present invention provide a kind of rotor-bearing experimental bench and
The structure and method of quick-replaceable experimental piece, quick-replaceable and the installation of measured rotor and bearing can be realized.
Technical scheme：To achieve the above object, a kind of rotor-bearing experimental bench and quick-replaceable experimental piece of the invention
Structure, including base unit, motor, stepless time adjustment unit, bearing loading unit, bearing test cell, rotor test list
Bearing, armature spindle to be measured and brake unit first, to be measured；
The motor, stepless time adjustment unit, bearing loading unit, bearing test cell, rotor test unit and system
Moving cell is separately positioned on base unit table top；The bearing to be measured is arranged on bearing test cell, the armature spindle to be measured
On rotor test unit；The motor and bearing test cell drive connection；The brake unit is surveyed with bearing
Try brake unit connection；The bearing loading unit connects with bearing to be measured loading, and bearing loading unit can be applied to bearing to be measured
Add external applied load；The motor passes through stepless time adjustment unit and rotor test unit drive connection.
Further, the bearing test cell includes power input splined shaft, Quick Release axis, the first hub splines, the
Two hub splines, load input splined shaft, bearing bearing block to be measured, the first supporting bearing base and second bearing support base；
One end connection motor of the power input splined shaft, the other end of power input splined shaft are provided with flower
Key, the splined end and the left end of the first hub splines of the power input splined shaft are connected；The both ends of the Quick Release axis
For spline part, Quick Release axis middle part is polished rod portion, and the left end spline part of the Quick Release axis and the right-hand member of the first hub splines pass
Dynamic connection, the right-hand member spline part of the Quick Release axis and the left end of the second hub splines are connected, and the load inputs spline
One end connection brake unit of axle, the other end of load input splined shaft are provided with spline, the flower of the load input splined shaft
Key end and the right-hand member of the second hub splines are connected；The polished rod portion of the Quick Release axis is arranged on described by bearings
In one supporting bearing base；The polished rod portion of the load input splined shaft is arranged on second bearing support base by bearings；
The bearing spacing that the bearing to be measured is set in the polished rod portion and bearing to be measured and the first supporting bearing base of Quick Release axis is set；
The bearing bearing block to be measured is arranged on bearing outer ring to be measured, and the bearing bearing block connecting shaft to be measured holds loading unit.
Further, the spline part axial length of the Quick Release axis left end is the spline part axial direction of power input splined shaft
One times of length, the axial length of the first hub splines are equal and described with the spline part axial length of power input splined shaft
Wall at the axial midpoint of Quick Release axis left end spline part is provided with the first hub splines positioning hole；The Quick Release axis right-hand member
Spline part axial length be one times of spline part axial length of load input splined shaft, the axial length of the second hub splines
It is equal with the spline part axial length of load input splined shaft, and the wall at the axial midpoint of the Quick Release axis right-hand member spline part
Face is provided with the second hub splines positioning hole.
Further, the bearing loading unit includes radial loaded module and axial loading module, the radial loaded
Module is identical with the structure of axial loading module, and is vertically arranged radial loaded module and axial loading module is mutually perpendicular to, and
The loading output end of radial loaded module and axial loading module connects bearing bearing block to be measured jointly；
The radial loaded module includes force snesor, sensor base, spring, linear electric motors, linear electric motors base, list
Piece machine, linear motor driver；One sidepiece of the sensor base is horizontally disposed blind hole, concentric in its blind hole to be provided with
Spring, the linear electric motors are arranged in sensor base, the concentric insertion force sensor base of push rod of the linear electric motors
In in the horizontal blind hole of sidepiece, and the push rod end top of linear electric motors is located on spring free end, the stress of the force snesor
The other side with sensor base is held to be rigidly connected；The force side of the force snesor is connected with bearing bearing block to be measured, and
The force direction of force snesor is vertical with the axial direction of bearing to be measured；
The signal output part of the single-chip microcomputer and the signal input part of linear motor driver connect, the force snesor
The signal input part of signal output part and single-chip microcomputer connects.
Further, the brake unit includes tension controller, magnetic powder brake, shaft coupling and reductor；The magnetic
Powder brake inputs splined shaft braking with load by shaft coupling and reductor and connected.
Further, the stepless speed regulation unit includes linear electric motors base, linear electric motors, cone rubber wheel support, tune
Fast rubber wheel support, speed governing rubber wheel, circular cone rubber wheel, power input synchronous pulley, power output synchronous pulley, speed governing rubber
Take turns locating ring, speed governing rubber wheel bearing, speed governing rubber wheel bearing axle；The linear electric motors are consolidated by bolt and linear electric motors base
Fixed connection, linear electric motors base are fixedly connected with base unit；The speed governing rubber wheel is arranged on speed governing rubber wheel bearing, is adjusted
Fast rubber wheel bearing is arranged on rubber wheel support by speed governing rubber wheel bearing axle；The speed governing rubber wheel bearing passes through speed governing
Rubber wheel locating ring positions；The rubber wheel support is fixedly connected with linear electric motors push rod end；The power inputs timing belt
Wheel passes through timing belt and bearing test cell drive connection；The power output synchronous pulley passes through timing belt and rotor test list
First drive connection.
Further, the rotor test unit include fixed support portion, movable support portion, synchronous pulley, push support,
First friction pulley, tight fixed bolt, down-pressed pole, the second friction pulley, bearing pin, rubber sleeve, balancing frame, line slideway；The fixed branch
Frame portion and line slideway are fixedly connected by bolt with base unit respectively；The movable support portion passes through sliding block and line slideway
Movable connection；Level is erected in fixed support portion and movable support portion respectively at the both ends of the armature spindle to be measured, described flat
Weighing apparatus disk is fixed by rubber sleeve and is set in the middle part of armature spindle to be measured, each uniform six cylindrical shaped weight mouths in balancing frame two sides；Institute
State synchronous pulley to be connected with stepless speed regulation unit by timing belt, the synchronous pulley and the second friction pulley drive connection are described
Second friction pulley and the first friction pulley are arranged in fixed support portion, and first friction pulley is set with the second friction pulley parallel side-by-side
Put, the first friction pulley engages the armature spindle to be measured for being erected at top, and the second friction pulley and to be measured turn with the second friction pulley jointly
Sub- axle drive connection, the second friction pulley can drive armature spindle to be measured to be rotated along axis；Support is pushed described in two to be fixedly installed respectively
Above fixed support portion and movable support portion, the down-pressed pole vertically pushes the logical of frame upper through in fixed support portion
Via, and down-pressed pole lower end is pressed on the surfaces of revolution of armature spindle to be measured, tight fixed bolt is arranged on corresponding with by hole
In positioning spiro pit, down-pressed pole is fixed, the down-pressed pole in fixed support portion carries out radial positioning to armature spindle；Also include
Depression bar, the depression bar vertically through in movable support portion push frame upper by hole, and depression bar lower end is pressed on
On the surfaces of revolution of armature spindle to be measured；Also include the first pyrocondensation locating ring and the second pyrocondensation locating ring, the first pyrocondensation locating ring and
Two pyrocondensation locating rings are fixed and are set on armature spindle, and the first pyrocondensation locating ring and the second pyrocondensation locating ring are distributed under depression bar
Both sides are held, axially position is carried out to armature spindle, support is pushed described in two and is propped up respectively with fixed support portion and movably by bearing pin
Frame portion connects.
Further, a kind of method of rotor-bearing experimental bench and quick-replaceable experimental piece, it is specific as follows：
When carrying out failure with diagnostic test to rotor-bearing system, bearing fast disassembly type master to be measured is arranged on by operation
The seat of honour of the first hub splines, the second hub splines, the first spring bearing bearing block on axle unit and bearing bearing block to be measured
That is fast demountable Quick Release axis, and quick-replaceable bearing to be measured；By operation installed in fixed support portion and movable support portion
On push support, tight fixed bolt, down-pressed pole, bearing pin, can be with quick-replaceable rotor to be measured, can be with by mobile movable support portion
Quick regulation rotor span；By the stretching degree for adjusting the linear electric motors in stepless speed regulation unit, you can regulation rotor rotation turns
Speed；
Experimental implementation is divided into bearing dismantling method, rotor is changed and span adjusting method, rotor speed adjusting method；
1) bearing dismantling method：Usually need to test multiple faulty bearings during experiment, when needing to dismantle axle to be measured
When holding, the fastening bolt on bearing bearing block to be measured is dismantled first, then dismantle and upper and lower bearing block is connected on the first supporting shaft holder
Bolt, remove the supporting shaft holder seat of honour, the first hub splines and the second hub splines elapsed to flower to bearing direction to be measured
Key afterbody, you can remove Quick Release axis and bearing to be measured, bearing to be measured is removed from Quick Release axis, you can complete bearing to be measured
Dismounting；
2) rotor is changed, span is adjusted, armature spindle localization method to be measured：, can when needing more exchanging rotor in experimentation
To take out bearing pin, lift and push support, so as to take out armature spindle to be measured, rubber sleeve, balancing frame, when needing to adjust rotor span
When, the down-pressed pole marked closely bolt, lift in movable support portion in movable support portion is unclamped first, and regulation movable support portion is to admittedly
The distance in fixed rack portion, the down-pressed pole in movable support portion is put down, screw and mark closely bolt in movable support portion, you can complete to turn
The adjustment of subspan；When needing to position armature spindle to be measured, the first pyrocondensation locating ring and the second pyrocondensation are positioned into ring set
Armature spindle is located at, its contraction is made to the first pyrocondensation locating ring and the heating of the second pyrocondensation locating ring, axially position is carried out to armature spindle；
3) rotor speed adjusting method：Different rotor might have different rotating speeds, can adjust in stepless speed regulation unit
Linear electric motors, change intermediate rubber wheel position, realize rotor speed adjust.
Beneficial effect：Beneficial effects of the present invention are as follows；
1st, this testing stand load maintainer can be loaded with multi-angle, and use closed-loop control, and loading accuracy is higher；
2nd, the present invention is simple in construction, and the quick-replaceable and peace for realizing measured bearing are realized using novel combination type splined shaft
Dress, and manufacturing cost is low, easy to operate, it is practical, low is required to operating personnel's specialty, is remarkably improved conventional efficient, contracting
Short test period；
3rd, the present invention solves the problems, such as that convention rotor testing stand is confined to single rotor, possesses higher versatility, spirit
Activity and practicality.
Brief description of the drawings
Fig. 1 is the general construction two-dimensional top-down view of patent of the present invention；
Fig. 2 is the general construction three-dimensional axonometric drawing of patent of the present invention；
Fig. 3 is the bearing test cell graphics of patent of the present invention；
Fig. 4 is the bearing test cell explosive view of patent of the present invention；
Fig. 5 is the radial loaded function structure chart of the bearing loading unit of patent of the present invention；
Fig. 6 is the overall structure figure of the bearing loading unit of patent of the present invention；
Fig. 7 is patent rotor test unit three-dimensional structure chart of the present invention；
Fig. 8 is patent stepless time adjustment partial 3-D structure chart of the present invention；
Fig. 9 is to put rubber wheel tomograph in patent stepless time adjustment of the present invention；
Figure 10 is patent brake unit tomograph of the present invention；
Figure 11 is patent balancing frame tomograph of the present invention.
Embodiment
The present invention is further described below in conjunction with the accompanying drawings.
As shown in figure 1 and 2, a kind of structure of rotor-bearing experimental bench and quick-replaceable experimental piece, it is characterised in that：
Including base unit 7, motor 6, stepless time adjustment unit 5, bearing loading unit 3, bearing test cell 1, rotor test list
Member 4, bearing to be measured 104, armature spindle to be measured 409 and brake unit 2；The motor 6, stepless time adjustment unit 5, bearing loading
Unit 3, bearing test cell 1, rotor test unit 4 and brake unit 2 are separately positioned on the table top of base unit 7；It is described to be measured
Bearing 104 is arranged on bearing test cell 1, and the armature spindle 409 to be measured is arranged on rotor test unit 4；The driving
Motor 6 and the drive connection of bearing test cell 1；The brake unit 2 connects with the braking of bearing test cell 1；The bearing adds
Carrier unit 3 connects with bearing 104 to be measured loading, and bearing loading unit 3 can apply external applied load to bearing to be measured；The motor
6 pass through stepless time adjustment unit 5 and the drive connection of rotor test unit 4.
As shown in accompanying drawing 1,3 and 4, the bearing test cell 1 include power input splined shaft 101, Quick Release axis 106,
First hub splines 102, the second hub splines 107, load input splined shaft 109, bearing bearing block to be measured 105, first support
Bearing block 103 and second bearing support base 108；
One end connection motor 6 of the power input splined shaft 101, the other end of power input splined shaft 101 are set
Spline is equipped with, the splined end and the left end of the first hub splines 102 of the power input splined shaft 101 are connected；It is described fast
The both ends for tearing axis 106 open are spline part, and the middle part of Quick Release axis 106 be polished rod portion, the left end spline part of the Quick Release axis 106 and
The right-hand member drive connection of first hub splines 102, the right-hand member spline part of the Quick Release axis 106 and the second hub splines 107
Left end is connected, and one end connection brake unit 2 of the load input splined shaft 109, load inputs the another of splined shaft 109
End is provided with spline, and the splined end and the right-hand member of the second hub splines 107 of the load input splined shaft 109 are connected；Institute
The polished rod portion for stating Quick Release axis 106 is arranged in first supporting bearing base 103 by bearings；The load input flower
The polished rod portion of key axle 109 is arranged on second bearing support base 108 by bearings；The bearing to be measured 104 is set in soon
The bearing spacing torn open in the polished rod portion of axis 106 and the supporting bearing base 103 of bearing to be measured 104 and first is set；The axle to be measured
Hold bearing block 105 and be arranged on the outer ring of bearing 104 to be measured, the bearing bearing block 105 to be measured connects bearing loading unit 3.
The spline part axial length of the left end of Quick Release axis 106 is that the spline part of power input splined shaft 101 is axially long
One times of degree, the axial length of the first hub splines 102 is equal with the spline part axial length of power input splined shaft 101, and
Wall at the axial midpoint of the left end spline part of Quick Release axis 106 is provided with the first hub splines positioning hole 111, the first flower
Key axle sleeve positioning hole 111 is used to position operating first hub splines 102；The spline part of the right-hand member of Quick Release axis 106
Axial length is one times of spline part axial length of load input splined shaft 109, the axial length of the second hub splines 107 with
The spline part axial length of load input splined shaft 109 is equal, and at the axial midpoint of the right-hand member spline part of the Quick Release axis 106
Wall be provided with the second hub splines positioning hole, it is necessary to when dismantling Quick Release axis 106, by the first hub splines 102 and second
Hub splines 107 is elapsed to spline afterbody to bearing direction to be measured can make the first hub splines 102 and the second hub splines 107
Depart from power input splined shaft 101 and load input splined shaft 109 respectively.
As shown in Fig. 1,5 and 6, the bearing loading unit 3 includes radial loaded module and axial loading module, the footpath
It is identical with the structure of axial loading module to load-on module, and be vertically arranged radial loaded module and axial loading module and mutually hang down
Directly, and the loading output end of radial loaded module and axial loading module connects bearing bearing block 105 to be measured jointly.
The radial loaded module includes force snesor 301, sensor base 302, spring 303, linear electric motors 304, straight
Line motor base 305, single-chip microcomputer, linear motor driver 306；One sidepiece of the sensor base 302 is horizontally disposed have it is blind
Hole, concentric in its blind hole to be provided with spring 303, the linear electric motors 304 are arranged in sensor base 302, the straight line
In in the horizontal blind hole of the concentric sidepiece of insertion force sensor base 302 of push rod of motor 304, and the push rod of linear electric motors 304
End top is located on the free end of spring 303, and the force side and the other side of sensor base 302 of the force snesor 301 are firm
Property connection；The force side of the force snesor 301 is connected with bearing bearing block 105 to be measured, and the force direction of force snesor 301
It is vertical with the axial direction of bearing 104 to be measured；
The signal output part of the single-chip microcomputer is connected with the signal input part of linear motor driver 306, the power sensing
The signal output part of device 301 and the signal input part of single-chip microcomputer connect, and the bearing loading unit 3 can be treated in the horizontal plane
Survey bearing 104 and apply any angle, the stable external applied load of size, to simulate actual external applied load.
As shown in accompanying drawing 1 and 10, the brake unit 2 includes tension controller 204, magnetic powder brake 203, shaft coupling
202 and reductor 201；The magnetic powder brake 203 inputs splined shaft 109 with load by shaft coupling 202 and reductor 201 and made
Dynamic connection, constant-torque load is applied to bearing test cell 1, to simulate actual condition.
As shown in accompanying drawing 1,8 and 9, the stepless speed regulation unit 5 includes linear electric motors base 501, linear electric motors 502, cone
Shape rubber wheel support 503, speed governing rubber wheel support 504, speed governing rubber wheel 505, circular cone rubber wheel 506, power input timing belt
Wheel 507, power output synchronous pulley 508, speed governing rubber wheel locating ring 509, speed governing rubber wheel bearing 510, speed governing rubber wheel shaft
Hold axle 511；The linear electric motors 502 are fixedly connected by bolt with linear electric motors base 501, linear electric motors base 501 and bottom
Seat unit 7 is fixedly connected；The speed governing rubber wheel 505 is arranged on speed governing rubber wheel bearing 510, speed governing rubber wheel bearing 510
It is arranged on by speed governing rubber wheel bearing axle 511 on rubber wheel support 504；The speed governing rubber wheel bearing 510 passes through speed governing rubber
Rubber tire locating ring 509 positions；The rubber wheel support 504 is fixedly connected with the push rod end of linear electric motors 502；The power input
Synchronous pulley 507 passes through timing belt and the drive connection of bearing test cell 1；The power output synchronous pulley 508 passes through synchronization
Band and the drive connection of rotor test unit 4, the fixed rotating speed that stepless time adjustment unit 5 exports to motor 6 carry out variable speed,
Different rotor might have different rotating speeds, can adjust stepless speed regulation unit 5, realize that rotor speed is adjusted.
As shown in accompanying drawing 1,7 and 11, the rotor test unit 4 includes fixed support portion 401, movable support portion 413, same
Step belt wheel 402, push support 403, the first friction pulley 404, tight fixed bolt 405, down-pressed pole 406, the second friction pulley 407, bearing pin
408th, rubber sleeve 410, balancing frame 411, line slideway 412；The fixed support portion 401 and line slideway 412 pass through spiral shell respectively
Bolt is fixedly connected with base unit；The movable support portion 413 is movably connected by sliding block with line slideway 412；It is described to be measured
Level is erected in fixed support portion 401 and movable support portion 413 respectively at the both ends of armature spindle 409, and the balancing frame 411 is logical
Cross the fixation of rubber sleeve 410 and be set in the middle part of armature spindle 409 to be measured, 409 liang of survey each uniform six cylindrical shaped weight mouths in face of balancing frame；
The synchronous pulley 402 is connected by timing belt with stepless speed regulation unit 5, and the synchronous pulley 402 drives with the second friction pulley 407
Dynamic connection, the friction pulley 404 of the second friction pulley 407 and first are arranged in fixed support portion 401, first friction pulley
404 and the parallel side-by-side of the second friction pulley 407 set, the first friction pulley 404 engages jointly with the second friction pulley 407 be erected above
Armature spindle to be measured 409, and the second friction pulley 407 and the drive connection of armature spindle 409 to be measured, the second friction pulley 407, which can drive, to be treated
Armature spindle 409 is surveyed to rotate along axis；Support 403 is pushed described in two and is respectively fixedly disposed at fixed support portion 401 and movable support
The top of portion 413, the down-pressed pole 406 vertically through in fixed support portion 401 push the top of support 403 by hole, and under
The lower end of depression bar 406 is pressed on the surfaces of revolution of armature spindle 409 to be measured, and tight fixed bolt 405 is arranged on corresponding with by hole
In positioning spiro pit, down-pressed pole 406 is fixed, the down-pressed pole 406 in fixed support portion 401 enters conduct to armature spindle 409
To positioning；Also include depression bar 415, the depression bar 415 vertically pushes the logical of the top of support 403 through in movable support portion 413
Via, and the lower end of depression bar 415 is pressed on the surfaces of revolution of armature spindle 409 to be measured；Also include the He of the first pyrocondensation locating ring 414
Second pyrocondensation locating ring 416, the first pyrocondensation locating ring 414 and the second pyrocondensation locating ring 416 are fixed and are set in armature spindle 409
On, and the first pyrocondensation locating ring 414 and the second pyrocondensation locating ring 416 are distributed in the lower end both sides of depression bar 415, to armature spindle 409
Axially position is carried out, support 403 is pushed described in two and is connected respectively with fixed support portion 401 and movable support portion 413 by bearing pin 408
Connect.
As shown in Fig. 1 to 11, a kind of method of rotor-bearing experimental bench and quick-replaceable experimental piece is specific as follows：
When carrying out failure with diagnostic test to rotor-bearing system, it is arranged on by operation on bearing test cell 1
First hub splines 102, the second hub splines 107, the seat of honour of the first spring bearing bearing block 103 and bearing bearing block to be measured
105 i.e. fast demountable Quick Release axis 106, and quick-replaceable bearing 104 to be measured；By operation installed in fixed support portion 401,
, can be to be measured with quick-replaceable with pushing support 403, tight fixed bolt 405, down-pressed pole 406, bearing pin 408 in movable support portion 413
Rotor, can be with quick regulation rotor span by mobile movable support portion 413；By adjusting the straight line in stepless speed regulation unit 5
The stretching degree of motor 502, you can regulation rotor rotary rpm；
Experimental implementation is divided into bearing dismantling method, rotor is changed and span adjusting method, rotor speed adjusting method；
1) bearing dismantling method：Usually need to test multiple faulty bearings during experiment, when needing to dismantle axle to be measured
When holding, dismantle the fastening bolt on bearing bearing block 105 to be measured first, then dismantle connected on the first supporting shaft holder 103 it is upper and lower
The bolt of bearing block, the supporting shaft holder seat of honour is removed, by the first hub splines 102 and the second hub splines 107 to bearing to be measured
Direction is elapsed to spline afterbody, you can Quick Release axis 106 and bearing to be measured 104 is removed, by bearing 104 to be measured from Quick Release axis
106 remove, you can complete the dismounting of bearing to be measured；
2) rotor is changed, span is adjusted, armature spindle localization method to be measured：, can when needing more exchanging rotor in experimentation
To take out bearing pin 408, lift and push support 403, so as to take out armature spindle 409 to be measured, rubber sleeve 410, balancing frame 411, when needing
When adjusting rotor span, unclamp first in movable support portion 413 and mark closely bolt 405, under lifting in movable support portion 413
Depression bar 406, regulation movable support portion 413 arrive the distance in fixed support portion 401, put down the down-pressed pole in movable support portion 413
406, screw and mark closely bolt 405 in movable support portion 413, you can complete the adjustment of rotor span；When needing to rotor to be measured
When axle 409 is positioned, the first pyrocondensation locating ring 414 and the second pyrocondensation locating ring 416 are set in armature spindle 409, to first
The heating of the pyrocondensation locating ring 416 of pyrocondensation locating ring 414 and second makes its contraction, and axially position is carried out to armature spindle 409；
3) rotor speed adjusting method：Different rotor might have different rotating speeds, can adjust in stepless speed regulation unit 5
Linear electric motors 502, change the position of intermediate rubber wheel 505, realize that rotor speed changes.
Described above is only the preferred embodiment of the present invention, it should be pointed out that：For the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (8)
- A kind of 1. structure of rotor-bearing experimental bench and quick-replaceable experimental piece, it is characterised in that：Including base unit (7), drive Dynamic motor (6), stepless time adjustment unit (5), bearing loading unit (3), bearing test cell (1), rotor test unit (4), treat Survey bearing (104), armature spindle to be measured (409) and brake unit (2)；The motor (6), stepless time adjustment unit (5), bearing loading unit (3), bearing test cell (1), rotor test Unit (4) and brake unit (2) are separately positioned on base unit (7) table top；The bearing to be measured (104) is tested installed in bearing On unit (1), the armature spindle (409) to be measured is arranged on rotor test unit (4)；The motor (6) is surveyed with bearing Try unit (1) drive connection；The brake unit (2) connects with bearing test cell (1) braking；The bearing loading unit (3) connected with bearing to be measured (104) loading, bearing loading unit (3) can apply external applied load to bearing to be measured；The motor (6) stepless time adjustment unit (5) and rotor test unit (4) drive connection are passed through.
- 2. the structure of a kind of rotor-bearing experimental bench according to claim 1 and quick-replaceable experimental piece, its feature exist In：The bearing test cell (1) includes power input splined shaft (101), Quick Release axis (106), the first hub splines (102), the second hub splines (107), load input splined shaft (109), bearing bearing block to be measured (105), the first spring bearing Seat (103) and second bearing support base (108)；One end connection motor (6) of the power input splined shaft (101), the other end of power input splined shaft (101) Spline is provided with, the splined end of the power input splined shaft (101) is connected with the left end of the first hub splines (102)； The both ends of the Quick Release axis (106) are spline part, are polished rod portion in the middle part of Quick Release axis (106), the Quick Release axis (106) The right-hand member of left end spline part and the first hub splines (102) is connected, the right-hand member spline part of the Quick Release axis (106) and the The left end drive connection of two hub splines (107), one end connection brake unit (2) of the load input splined shaft (109), is carried The other end of lotus input splined shaft (109) is provided with spline, the splined end and the second spline of the load input splined shaft (109) The right-hand member drive connection of axle sleeve (107)；The polished rod portion of the Quick Release axis (106) is arranged on described first by bearings Support on bearing block (103)；The polished rod portion of the load input splined shaft (109) is arranged on second bearing by bearings and supported On seat (108)；The bearing to be measured (104) is set in the polished rod portion of Quick Release axis (106) and bearing to be measured (104) and first The bearing spacing supportted on bearing block (103) is set；The bearing bearing block (105) to be measured is arranged on bearing to be measured (104) outer ring, Bearing bearing block (105) the connection bearing loading unit (3) to be measured.
- 3. the structure of a kind of rotor-bearing experimental bench according to claim 2 and quick-replaceable experimental piece, its feature exist In：The spline part axial length of Quick Release axis (106) left end is the spline part axial length of power input splined shaft (101) One times, the axial length of the first hub splines (102) is equal with the spline part axial length of power input splined shaft (101), And the wall at the axial midpoint of Quick Release axis (106) the left end spline part is provided with the first hub splines positioning hole (111)； The spline part axial length of Quick Release axis (106) right-hand member is the spline part axial length of load input splined shaft (109) One times, the axial length of the second hub splines (107) is equal with the spline part axial length of load input splined shaft (109), and Wall at the axial midpoint of Quick Release axis (106) the right-hand member spline part is provided with the second hub splines positioning hole.
- 4. the structure of a kind of rotor-bearing experimental bench according to claim 1 and quick-replaceable experimental piece, its feature exist In：The bearing loading unit (3) includes radial loaded module and axial loading module, and the radial loaded module and axial direction add It is identical to carry the structure of module, and vertically disposed radial loaded module and axial loading module are mutually perpendicular to, and radial loaded mould The loading output end of block and axial loading module connects bearing bearing block (105) to be measured jointly；The radial loaded module includes force snesor (301), sensor base (302), spring (303), linear electric motors (304), linear electric motors base (305), single-chip microcomputer, linear motor driver (306)；The side of the sensor base (302) Portion is horizontally disposed blind hole, and concentric in its blind hole to be provided with spring (303), the linear electric motors (304) are arranged on sensor On base (302), the horizontal blind hole of concentric insertion force sensor base (302) sidepiece of push rod of the linear electric motors (304) In interior, and the push rod end top of linear electric motors (304) is located on spring (303) free end, the stress of the force snesor (301) Another survey portion with sensor base (302) is held to be rigidly connected；The force side of the force snesor (301) and bearing bearing to be measured Seat (105) connection, and the force direction of force snesor (301) is vertical with the axial direction of bearing to be measured (104)；The signal output part of the single-chip microcomputer is connected with the signal input part of linear motor driver (306), the force snesor (301) signal output part and the signal input part of single-chip microcomputer connects.
- 5. the structure of a kind of rotor-bearing experimental bench according to claim 1 or 2 and quick-replaceable experimental piece, its feature It is：The brake unit (2) includes tension controller (204), magnetic powder brake (203), shaft coupling (202) and reductor (201)；The magnetic powder brake (203) inputs splined shaft (109) with load by shaft coupling (202) and reductor (201) and made Dynamic connection.
- 6. the structure of a kind of rotor-bearing experimental bench according to claim 1 and quick-replaceable experimental piece, its feature exist In：The stepless speed regulation unit (5) includes linear electric motors base (501), linear electric motors (502), cone rubber wheel support (503), speed governing rubber wheel support (504), speed governing rubber wheel (505), circular cone rubber wheel (506), power input synchronous pulley (507), power output synchronous pulley (508), speed governing rubber wheel locating ring (509), speed governing rubber wheel bearing (510), speed governing rubber Rubber tire bearing axle (511)；The linear electric motors (502) are fixedly connected by bolt with linear electric motors base (501), linear electric motors Base (501) is fixedly connected with base unit (7)；The speed governing rubber wheel (505) is arranged on speed governing rubber wheel bearing (510) On, speed governing rubber wheel bearing (510) is arranged on rubber wheel support (504) by speed governing rubber wheel bearing axle (511)；The tune Fast rubber wheel bearing (510) is positioned by speed governing rubber wheel locating ring (509)；The rubber wheel support (504) and linear electric motors (502) push rod end is fixedly connected；The power input synchronous pulley (507) is driven by timing belt and bearing test cell (1) Dynamic connection；The power output synchronous pulley (508) passes through timing belt and rotor test unit (4) drive connection.
- 7. the structure of a kind of the rotor-bearing experimental bench and quick-replaceable experimental piece according to claim 1 or 6, its feature It is：The rotor test unit (4) include fixed support portion (401), movable support portion (413), synchronous pulley (402), under Press support (403), the first friction pulley (404), tight fixed bolt (405), down-pressed pole (406), the second friction pulley (407), bearing pin (408), rubber sleeve (410), balancing frame (411), line slideway (412)；The fixed support portion (401) and line slideway (412) it is fixedly connected respectively by bolt with base unit；The movable support portion (413) passes through sliding block and line slideway (412) movable connection；Level is erected at fixed support portion (401) and movable branch respectively at the both ends of the armature spindle to be measured (409) In frame portion (413), the balancing frame (411) is set in the middle part of armature spindle to be measured (409) by the way that rubber sleeve (410) is fixed, balance Each uniform six cylindrical shaped weight mouths in disk (409) two sides；The synchronous pulley (402) passes through timing belt and stepless speed regulation unit (5) connect, the synchronous pulley (402) and the second friction pulley (407) drive connection, second friction pulley (407) and first Friction pulley (404) is arranged in fixed support portion (401), and first friction pulley (404) and the second friction pulley (407) are parallel simultaneously Row are set, and the first friction pulley (404) engages the armature spindle to be measured (409) for being erected at top with the second friction pulley (407) jointly, and Second friction pulley (407) and armature spindle to be measured (409) drive connection, the second friction pulley (407) can drive armature spindle to be measured (409) Rotated along axis；Support (403) is pushed described in two and is respectively fixedly disposed at fixed support portion (401) and movable support portion (413) Top, the down-pressed pole (406) vertically through on fixed support portion (401) push support (403) top by hole, and under Depression bar (406) lower end is pressed on the surfaces of revolution of armature spindle to be measured (409), and tight fixed bolt (405) is arranged on passing through hole In corresponding positioning spiro pit, down-pressed pole (406) is fixed, the down-pressed pole (406) on fixed support portion (401) is to rotor Axle (409) carries out radial positioning；Also include depression bar (415), the depression bar (415) is vertically passed through on movable support portion (413) Push support (403) top by hole, and depression bar (415) lower end is pressed on the surfaces of revolution of armature spindle to be measured (409)； Also include the first pyrocondensation locating ring (414) and the second pyrocondensation locating ring (416), the first pyrocondensation locating ring (414) and the second pyrocondensation Locating ring (416) fixation is set on armature spindle (409), and the first pyrocondensation locating ring (414) and the second pyrocondensation locating ring (416) the survey portion of depression bar (415) lower end two is distributed in, axially position is carried out to armature spindle (409), support (403) is pushed described in two It is connected respectively with fixed support portion (401) and movable support portion (413) by bearing pin (408).
- 8. a kind of method of rotor-bearing experimental bench and quick-replaceable experimental piece, it is characterised in that：When carrying out fault diagnosis experiment to rotor-bearing system, by operating be arranged on bearing test cell (1) first Hub splines (102), the second hub splines (107), the seat of honour of the first spring bearing bearing block (103) and bearing bearing block to be measured (105) it is fast demountable Quick Release axis (106), and quick-replaceable bearing to be measured (104)；Fixed support is arranged on by operation Support (403), tight fixed bolt (405), down-pressed pole (406), bearing pin are pushed in portion (401) and movable support portion (413) (408), can be with quick-replaceable rotor to be measured, can be with quick regulation rotor span by mobile movable support portion (413)；Pass through tune Save the stretching degree of the linear electric motors (502) in stepless speed regulation unit (5), you can regulation rotor rotary rpm；Experimental implementation is divided into bearing dismantling method, rotor is changed and span adjusting method, rotor speed adjusting method；1) bearing dismantling method：Usually need to test multiple faulty bearings during experiment, when needing to dismantle bearing to be measured, Dismantle the fastening bolt on bearing bearing block (105) to be measured first, then dismantle connected on the first supporting shaft holder (103) it is upper and lower The bolt of bearing block, the supporting shaft holder seat of honour is removed, by the first hub splines (102) and the second hub splines (107) to be measured Bearing direction is elapsed to spline afterbody, you can remove Quick Release axis (106) and bearing to be measured (104), by bearing to be measured (104) from Quick Release axis (106) is removed, you can completes the dismounting of bearing to be measured；2) rotor is changed, span is adjusted, armature spindle localization method to be measured：When needing more exchanging rotor in experimentation, Ke Yiqu Go out bearing pin (408), lift and push support (403), so as to take out armature spindle to be measured (409), rubber sleeve (410), balancing frame (411), when needing to adjust rotor span, unclamp first on movable support portion (413) and mark closely bolt (405), lift movable The distance of fixed support portion (401) is arrived in down-pressed pole (406) in cradle portion (413), regulation movable support portion (413), and putting down can Down-pressed pole (406) in dynamic cradle portion (413), screws and marks closely bolt (405) in movable support portion (413), you can completes to turn The adjustment of subspan；When needing to position armature spindle to be measured (409), by the first pyrocondensation locating ring (414) and the second heat Contracting locating ring (416) is set in armature spindle (409), and the first pyrocondensation locating ring (414) and the second pyrocondensation locating ring (416) are heated Make its contraction, axially position is carried out to armature spindle (409)；3) rotor speed adjusting method：Different rotor might have different rotating speeds, can adjust in stepless speed regulation unit (5) Linear electric motors (502), change the position of intermediate rubber wheel (505), realize that rotor speed is adjusted.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112002207A (en) * | 2020-08-31 | 2020-11-27 | 天津博诺智创机器人技术有限公司 | Bearing dismounting teaching module for industrial robot |
| CN112495219A (en) * | 2020-11-27 | 2021-03-16 | 吴念芝 | Equipment for uniformly stirring chemical raw materials and stepless speed regulation |
| CN113506503A (en) * | 2021-07-08 | 2021-10-15 | 中国科学院空间应用工程与技术中心 | Quick release device for space science experiment load |
| CN117589623A (en) * | 2023-11-29 | 2024-02-23 | 兰州中科凯华科技开发有限公司 | Bearing rotating friction and wear testing system in ocean high-temperature salt fog environment |
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| CN104142245A (en) * | 2014-08-25 | 2014-11-12 | 洛阳工铭机电设备有限公司 | Loading device for automobile hub bearing periodicity dynamic tester |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112002207A (en) * | 2020-08-31 | 2020-11-27 | 天津博诺智创机器人技术有限公司 | Bearing dismounting teaching module for industrial robot |
| CN112495219A (en) * | 2020-11-27 | 2021-03-16 | 吴念芝 | Equipment for uniformly stirring chemical raw materials and stepless speed regulation |
| CN113506503A (en) * | 2021-07-08 | 2021-10-15 | 中国科学院空间应用工程与技术中心 | Quick release device for space science experiment load |
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|---|---|
| CN107705691B (en) | 2020-06-30 |
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