CN107328569A - Axle box bearing is comprehensive performance test bed with earthing or grounding means - Google Patents
Axle box bearing is comprehensive performance test bed with earthing or grounding means Download PDFInfo
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- CN107328569A CN107328569A CN201710690524.1A CN201710690524A CN107328569A CN 107328569 A CN107328569 A CN 107328569A CN 201710690524 A CN201710690524 A CN 201710690524A CN 107328569 A CN107328569 A CN 107328569A
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- 238000011056 performance test Methods 0.000 title claims abstract description 36
- 238000012360 testing method Methods 0.000 claims abstract description 30
- 241000271559 Dromaiidae Species 0.000 claims abstract description 17
- 230000003068 static effect Effects 0.000 claims description 41
- 238000002474 experimental method Methods 0.000 claims description 37
- 238000000429 assembly Methods 0.000 claims description 19
- 230000000712 assembly Effects 0.000 claims description 19
- 238000007789 sealing Methods 0.000 claims description 19
- 229910000831 Steel Inorganic materials 0.000 claims description 15
- 239000010959 steel Substances 0.000 claims description 15
- 210000004907 gland Anatomy 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 7
- 230000008961 swelling Effects 0.000 claims description 7
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 19
- 238000005516 engineering process Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 2
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- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/04—Bearings
- G01M13/045—Acoustic or vibration analysis
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- Acoustics & Sound (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The present invention relates to a kind of axle box bearing and earthing or grounding means are comprehensive performance test bed.The testing stand is made up of basic foundation and mechanical device, the mechanical device is arranged in basic foundation, and the mechanical device is main to be made up of equipment mounting platform, horizontal reaction support, horizontal actuator, test bearing and exciting boom device, 1, No. 2 support gantry frames, 1, No. 2 framework analogue means, power motor and 1, No. 2 vertical exciting actuator.The present invention being capable of the speed and Vibration Condition of analog orbit vehicle axle box bearing and axle head grounding device when being run on actual track, it is that rail car axle box bearing and axle head grounding device provide true and reliable experimental enviroment when carrying out bench test, overcomes the problem of rail vehicle can not do EMUs axle box bearing reliability test in actual motion and carry out life assessment test to axle head grounding device.The present invention is simple in construction, and axle box bearing and earthing or grounding means comprehensive performance test can be achieved.
Description
Technical field
The present invention relates to a kind of rail car axle box bearing and earthing or grounding means experimental rig, more specifically, the present invention is related to
And a kind of axle box bearing and earthing or grounding means it is comprehensive performance test bed.
Background technology
EMU is one of core technology of high-speed railway, and axle box bearing is EMUs traveling with axle head grounding device
During important component, in EMUs actual motion, the quality of axle box bearing performance directly influences EMUs operation
Security, if axle box bearing is damaged, it will lose the running accuracy of bearing, vibration increase produces noise and rotation
Turn resistance, great vehicle safety accident will be caused when serious.Can the performance of axle head grounding device directly affect EMUs and run,
The damage of axle head grounding device can cause the problem of train power-off etc. is fatal.Therefore, reliability is carried out to EMUs axle box bearing
Examine the safe operation to EMUs significant.
The content of the invention
The invention provides one kind is simple in construction, can analog orbit vehicle axle box bearing and axle head grounding device in reality
Speed and Vibration Condition when being run on circuit, can be that rail car axle box bearing and axle head grounding device are carrying out stand examination
True and reliable experimental enviroment is provided when testing, overcoming rail vehicle, EMUs axle box bearing can not to be done in actual motion reliable
Property experiment and to axle head grounding device carry out life assessment test the problem of there is provided a kind of axle box bearing and earthing or grounding means are comprehensive
Close performance test apparatus.
In order to solve the above technical problems, the present invention adopts the following technical scheme that realization, it is described with reference to the drawings as follows：
A kind of axle box bearing and earthing or grounding means are comprehensive performance test bed, are made up of basic foundation and mechanical device, the machine
Tool device is arranged in basic foundation, and the mechanical device 2 is main by equipment mounting platform 3, laterally horizontal reaction support 5, work
Dynamic device 6, test bearing and exciting boom device 7,1, No. 2 support gantry frames 8,9,1, No. 2 framework analogue means 10,11, power
Motor 12 and 1, No. 2 vertical exciting actuator 16,17 composition, the horizontal reaction support 5 install flat by horizontal reaction support
Platform 4 is arranged in mounting platform 3, and the hinge seat of the horizontal front and back end of actuator 6 is by bolt respectively with test bearing with swashing
Shake the exciting crossbeam 18 in boom device 7 and horizontal reaction support 5 connected, described 1, No. 2 support gantry frames 8,9 pass through spiral shell respectively
Bolt is fixed on equipment mounting platform 3；
Test bearing and the exciting boom device 7 is mounted in 1, between No. 2 support gantry frames 8,9, and described 1, No. 2 framework models
Intend device 10,11 to be separately fixed on No. 1 support gantry frame 8,9 by bolt, described 1, No. 2 vertical exciting actuator 16,
17 two ends are connected to test bearing by bolt and the exciting crossbeam 18 in exciting boom device 7 and the installation of vertical actuator are flat
On platform 15, the power motor 12 is fixed on equipment mounting platform 3 by motor support base 14, the power motor 12 and exciting
Experiment axle assembly 19 in boom device 7 is rotated by driving belt 13 to be connected.
The test bearing is filled with exciting boom device 7 by exciting crossbeam 18, experiment axle assembly 19, two supporting bearing bases
Put, two axle box assemblies and 8 support gas spring assemblies compositions, described 1, No. 2 axle box assemblies 22,23 respectively by 1, No. 2 axle boxes
Bearing 40,42 mounted in experiment axle assembly 19 two ends, described 1, No. 2 axle box assemblies 22,23 use the original axle box assembly of EMUs,
Axle head grounding device is that by test specimen, the experiment axle assembly 19 is by 1, No. 2 spring bearing base devices 20,21 are fixed in axle box
On exciting crossbeam 18, described 1, No. 2 spring bearing base devices 20,21 are rotated by bearing with experiment axle assembly 19 and be connected.
Described exciting crossbeam 18 is the welding class formation part being welded by steel plate and rectangular steel pipe, described 1 to No. 4
Upper end support gas 24,25,26,27 structures of spring are identical, are connected to 1 by bolt, in No. 2 spring bearing base devices 20,21
On two gas spring connecting plates that the upper end of supporting bearing base 32 is set；The structure of 1 to No. 4 lower end support gas spring 28,29,30,31
It is identical, constituted by the gentle spring connects bearing of support gas spring, be connected to 1 by bolt, No. 2 spring bearing base devices 20,
On two gas spring connecting plates that the lower end of supporting bearing base 32 is set in 21.
In the exciting boom device 71, the swing arm of No. 2 axle box assemblies 22,23 respectively with 1, No. 2 framework analogue means 10,
In 11 1, No. 2 axle box supports 53,56 rotated and connected by bearing pin, described 1,1,2 in No. 2 framework analogue means 10,11
Number damper 55,58 is fixedly connected with 1 in exciting boom device 7, No. 2 axle box assemblies 22,23 respectively by bolt, and described 1,2
In number framework analogue means 10,11 1, No. 2 axle box static force loading devices 54,57 respectively with 1 in exciting boom device 7, No. 2 axles
The journal box spring positioning plane-plane contact connection that box assembly 22,23 upper ends are set.
No. 1 spring bearing base device 20 is identical with No. 2 structures of spring bearing base device 21, by supporting bearing base
32nd, 1, No. 2 bearing covers 33,34, swelling device 35 and 1, No. 2 spring bearings 36,37 are constituted, wherein in supporting bearing base 32
Between be provided with bearing mounting hole, the top and bottom of supporting bearing base 32 are respectively arranged with two gas spring connecting plates, described 1, No. 2 supports
Bearing 36,37 contacts connection with the outer ring surface of swelling device 35 by bearing inner ring, and described 1, No. 2 spring bearings 36,37 pacify
Fixed in the bearing mounting hole in the middle of supporting bearing base 32, and by structure identical 1, No. 2 bearing covers 33,34.
Driven pulley 39,1, No. 2 axle boxes of the described experiment axle assembly 19 by experiment axle 38 and on experiment axle 38
Bearing 40,42,1, No. 2 axle box oil sealings 41,43 are constituted, and described experiment axle 38 is multi-diameter shaft, No. 1 axle box bearing 40 and 2
Number structure of axle box bearing 42 is identical, is by testpieces, using actual with axle box bearing, No. 1 axle on motor train unit bogie
Case oil sealing 41 is identical with No. 2 structures of axle box oil sealing 43, using the actual labyrinth oil sealing on the inside of with bearing on motor train unit bogie.
No. 1 described support gantry frame 8 is identical with No. 2 support structures of gantry frame 9, by gantry beam 50,1
Number gantry upright post 51 and No. 2 gantry upright posts 52 are constituted, and No. 1 gantry upright post 51 is identical with No. 2 structures of gantry upright post 52, by
Steel plate and rectangular steel pipe are welded, and the gantry beam 50 and No. 1 gantry upright post 51 and No. 2 gantry upright posts 52 pass through connecting plate
Connection, No. 1 gantry upright post 51 and No. 2 lower ends of gantry upright post 52 are provided with the gantry upright post being connected with equipment mounting platform 3
Installing plate.
No. 1 described framework analogue means 10 is subtracted by No. 1 axle box support 53, No. 1 axle box static force loading device 54 and No. 1
Shake device 55 is constituted, and No. 1 axle box static force loading device 54 is arranged on No. 1 axle box support 53 by bolt, and described No. 1 subtracts
The upper end of shake device 55 is bolted on No. 1 axle box support 53；
No. 2 described framework analogue means 11 are subtracted by No. 2 axle box supports 56, No. 2 axle box static force loading devices 57 and No. 2
Shake device 58 is constituted, and No. 2 axle box static force loading devices 57 are arranged on No. 2 axle box supports 56 by bolt, and described No. 2 subtract
Shake device 58 upper end is bolted on No. 2 axle box supports 56.
No. 1 described axle box static force loading device 54 is identical with No. 2 structures of axle box static force loading device 57, by static(al) plus
Carry actuator 59, actuator installs rebound 60, spring upper end gland 61, journal box spring 62 and lower spring end lid 63 to constitute, institute
Static loading actuator 59 is stated to be bolted to connection with actuator installs rebound 60, the spring upper end gland 61 with it is quiet
The actuator force application rod threaded connection of power loading actuator 59, spring upper end gland 61 connects with the upper table plane-plane contact of journal box spring 62
Connect, lower spring end lid 63 is connected with the following table plane-plane contact of journal box spring 62.
Compared with prior art, the beneficial effects of the invention are as follows：
1st, axle box bearing and earthing or grounding means of the present invention are comprehensive performance test bed being capable of analog orbit vehicle axle box axle
Hold with axle head grounding device in actual the examination of road rotating speed and vibration working condition, so as to ensure provide data have more
Correctness and authenticity.
2nd, comprehensive performance test bed solve of axle box bearing and earthing or grounding means of the present invention existing exists in EMUs
The infeasible problem of rail car axle box bearing test is carried out under actual motion circuit operating mode.
3rd, comprehensive performance test bed can realize of axle box bearing and earthing or grounding means of the present invention is provided axle box bearing
Experimental enviroment within speed 500km/h, can meet the EMUs axle box bearing that China has run or developed completely
With the experiment of axle head grounding device, there is good rush to the safe operation for improving EMUs and the development for accelerating EMUs technology
Enter effect, while also good Social benefit and economic benefit.
4th, axle box bearing and earthing or grounding means of the present invention are comprehensive performance test bed can accurately simulate EMUs and exist
The Vibration Condition of rail car axle box bearing in actual track, provides for rail car axle box bearing test and tests well
Basis, it is ensured that the accuracy of test data.
5th, axle box bearing and earthing or grounding means of the present invention are comprehensive performance test bed uses two static load devices, really
Simulate EMUs axle box bearing size loaded in operation so that the experiment to axle box bearing and axle head grounding device
Data are closer to truly.
Brief description of the drawings
The present invention is further illustrated below in conjunction with the accompanying drawings：
Fig. 1 is axle box bearing of the present invention and the comprehensive performance test bed axonometric projection view of earthing or grounding means；
Fig. 2 is the axonometric projection of axle box bearing of the present invention and the comprehensive performance test bed middle mechanical device of earthing or grounding means
View；
Fig. 3 is that the inversion axis of axle box bearing of the present invention and the comprehensive performance test bed middle mechanical device of earthing or grounding means is surveyed
Projection view；
Fig. 4 is the general perspective of axle box bearing of the present invention and the comprehensive performance test bed middle mechanical device of earthing or grounding means
View；
Fig. 5 is that axle box bearing of the present invention is filled with the comprehensive performance test bed middle test bearing of earthing or grounding means with excitation beam of vibration
The axonometric projection view put；
Fig. 6 is the axle of axle box bearing of the present invention and the comprehensive performance test bed middle spring bearing base device of earthing or grounding means
Survey perspective view；
Fig. 7 is that axle box bearing of the present invention is decomposed with the comprehensive performance test bed middle spring bearing base device of earthing or grounding means
Axonometric projection view afterwards；
Fig. 8 is that the axle of axle box bearing of the present invention and the comprehensive performance test bed middle experiment axle assembly of earthing or grounding means surveys throwing
Video display figure；
Fig. 9 is the axonometric projection of axle box bearing of the present invention and the comprehensive performance test bed middle experiment axle of earthing or grounding means
Figure；
Figure 10 is the axle of axle box bearing of the present invention and the comprehensive performance test bed middle support gantry frame of earthing or grounding means
Survey perspective view；
Figure 11 be axle box bearing of the present invention with earthing or grounding means it is comprehensive performance test bed in No. 1 framework analogue means
Axonometric projection graph；
Figure 12 be axle box bearing of the present invention with earthing or grounding means it is comprehensive performance test bed in No. 2 framework analogue means
Axonometric projection graph；
Figure 13 is the axle of axle box bearing of the present invention and the comprehensive performance test bed middle static force loading device of earthing or grounding means
Survey perspective view；
In figure：1st, basic foundation；2nd, mechanical device；3rd, equipment mounting platform；4th, horizontal reaction support mounting platform；5th, it is horizontal
To reaction support；6th, horizontal actuator；7th, test bearing and exciting boom device；8th, No. 1 support gantry frame；9th, No. 2 support dragons
Door frame；10th, No. 1 framework analogue means；11st, No. 2 framework analogue means；12nd, power motor；13rd, driving belt；14th, motor
Bearing；15th, vertical actuator mounting platform；16th, No. 1 vertical exciting actuator；17th, No. 2 vertical exciting actuator；18th, exciting
Crossbeam；19th, axle assembly is tested；20th, No. 1 spring bearing base device；21st, No. 2 spring bearing base devices；22nd, No. 1 axle box assembly；
23rd, No. 2 axle box assemblies；24th, No. 1 upper end support gas spring；25th, No. 2 upper end support gas springs；26th, No. 3 upper end support gas springs；27、4
Number upper end support gas spring；28th, No. 1 lower end support gas spring；29th, No. 2 lower end support gas springs；30th, No. 3 lower end support gas springs；31、4
Number lower end support gas spring；32nd, supporting bearing base；33rd, No. 1 bearing cover；34th, No. 2 bearing covers；35th, swelling device；
36th, No. 1 spring bearing；37th, No. 2 spring bearings；38th, axle is tested；39th, driven pulley；40th, No. 1 axle box bearing；41st, No. 1 axle box
Oil sealing；42nd, No. 2 axle box bearings；43rd, No. 2 axle box oil sealings；44th, No. 1 axle box bearing installation axle；45th, No. 1 supporting bearing base is installed
Axle；46th, driven pulley installation axle；47th, middle transition axle；48th, No. 2 supporting bearing base installation axles；49th, No. 2 axle box bearings are installed
Axle；50th, gantry beam；51st, No. 1 gantry upright post；52nd, No. 2 gantry upright posts；53rd, No. 1 axle box support；54th, No. 1 axle box static(al)
Loading device；55th, No. 1 damper；56th, No. 2 axle box supports；57th, No. 2 axle box static force loading devices；58th, No. 2 dampers；
59th, static loading actuator；60th, actuator installs rebound；61st, spring upper end gland；62nd, journal box spring；63rd, lower spring end
Lid.
Embodiment
The present invention is explained in detail below in conjunction with the accompanying drawings：
Refering to Fig. 1 to Fig. 4, described axle box bearing and earthing or grounding means is comprehensive performance test bed including basic foundation 1 and machine
Tool device 2, mechanical device 2 is arranged among basic foundation 1, and wherein mechanical device 2 is by equipment mounting platform 3, horizontal counter-force branch
Seat mounting platform 4, horizontal reaction support 5, horizontal actuator 6, test bearing and exciting boom device 7, No. 1 support gantry frame 8,
No. 2 support gantry frames 9, No. 1 framework analogue means 10, No. 2 framework analogue means 11, power motor 12, driving belt 13, electricity
Machine bearing 14, vertical actuator mounting platform 15, No. 1 vertical exciting actuator 16 and No. 2 vertical exciting actuator 17 are constituted.
Described equipment mounting platform 3 is formed by iron casting, and two ends are respectively arranged with 3 ears, installs flat for equipment
Platform 3 provides support when being arranged on basic foundation 1.Horizontal reaction support 5 is the seat structure part being welded by steel plate, lower end
The mounting base installed and used for it is provided with, and is provided with the vertical T-slot installed for actuator, horizontal reaction support is installed
Platform 4 and vertical actuator mounting platform 15 are the cast iron platform for being provided with T-slot, and horizontal reaction support 5 is solid by bolt
It is scheduled on horizontal reaction support mounting platform 4, the hinge seat of the horizontal rear end of actuator 6 is bolted on horizontal reaction support
In the vertical T-slot set on 5, the hinge seat of the horizontal front end of actuator 6 passes through in bolt and test bearing and exciting boom device 7
Exciting crossbeam 18 connect, No. 1 support gantry frame 8 and No. 2 support gantry frames 9 are bolted on equipment and install flat
On platform 3, No. 1 upper end support gas spring 24 and No. 2 upper end support gas springs 25 in exciting boom device 7 pass through bolt and No. 1 branch respectively
Support gantry frame 8 is connected, and in exciting boom device 7 No. 3 upper end support gas spring 26 and No. 4 upper end support gas springs 27 pass through spiral shell respectively
Bolt is connected with No. 2 support gantry frames 9, test bearing and No. 1 lower end support gas spring 28 in exciting boom device 7, No. 2 lower end branch
Gas spring 29, No. 3 lower end support gas springs 30 and No. 4 lower end support gas springs 31 are supportted to fix and connect by bolt and equipment mounting platform 3
Connect, No. 1 framework analogue means 10 is bolted on No. 1 support gantry frame 8, and No. 1 axle box in exciting boom device 7 is total
Swing arm into 22 is connected with No. 1 axle box support 53 in No. 1 framework analogue means 10 by bearing pin rotation, No. 1 framework simulation
No. 1 damper 55 in device 10 is fixedly connected by bolt with No. 1 axle box assembly 22 in exciting boom device 7, No. 1 framework model
Intend the axle box that No. 1 axle box static force loading device 54 in device 10 is set with No. 1 upper end of axle box assembly 22 in exciting boom device 7
Spring positioning plane-plane contact connection, No. 2 framework analogue means 11 are bolted on No. 2 support gantry frames 9, excitation beam of vibration
The swing arm of No. 2 axle box assemblies 23 in device 7 is turned with No. 2 axle box supports 56 in No. 2 framework analogue means 11 by bearing pin
No. 2 dampers 58 in dynamic connection, No. 2 framework analogue means 11 pass through No. 2 axle box assemblies 23 in bolt and exciting boom device 7
It is fixedly connected, No. 2 axle box static force loading devices 57 in No. 2 framework analogue means 11 and No. 2 axle boxes in exciting boom device 7 are total
The journal box spring positioning plane-plane contact connection set into 23 upper ends, motor support base 14 is bolted on equipment mounting platform 3
On, the base of power motor 12 is bolted on motor support base 14, power motor 12 and the experiment in exciting boom device 7
Axle assembly 19 is rotated by driving belt 13 and connected, and No. 1 vertical exciting actuator 16 and No. 2 vertical exciting actuator 17 pass through
It is bolted on vertical actuator mounting platform 15, No. 1 vertical exciting actuator 16 and No. 2 vertical exciting actuator 17 pass through
Bolt is connected on the two vertical actuator connecting plate that the two ends of exciting crossbeam 18 in exciting boom device 7 are set.
Refering to Fig. 5 to Fig. 9, described test bearing includes exciting crossbeam 18, experiment axle assembly 19,1 with exciting boom device 7
Number spring bearing base device 20, No. 2 spring bearing base devices 21, No. 1 axle box assembly 22, No. 2 axle box assemblies 23, No. 1 upper end branch
Support gas spring 24, No. 2 upper end support gas springs 25, No. 3 upper end support gas springs 26, No. 4 upper end support gas springs 27, No. 1 lower end support gas
Spring 28, No. 2 lower end support gas springs 29, No. 3 lower end support gas springs 30 and No. 4 lower end support gas springs 31, wherein No. 1 axle box assembly 22
It is that No. 1 axle box is total by test specimen that axle head grounding device in the original axle box assembly of EMUs, axle box is used with No. 2 axle box assemblies 23
It is connected into 22 with the outer shroud interference fit of No. 1 axle box bearing 40 in experiment axle assembly 19, No. 2 axle box assemblies 23 and experiment axle are total
Outer shroud into No. 2 axle box bearings 42 in 19 is interference fitted connection, and No. 1 spring bearing base device 20 passes through with experiment axle assembly 19
Bearing rotates connection, and No. 2 spring bearing base devices 21 are rotated by bearing with experiment axle assembly 19 and are connected.
Described exciting crossbeam 18 is the welding class formation part being welded by steel plate and rectangular steel pipe, exciting crossbeam 18
Side is provided with horizontal actuator connecting plate and the edge of connecting plate is provided with 4 tapped through holes, the upper end of exciting crossbeam 18
Two supporting bearing base connecting plates are provided with, lower end is provided with the actuator connecting plate of the vertical actuator connection of two confessions.
Described No. 1 upper end support gas spring 24, No. 2 upper end support gas springs 25, No. 3 upper end support gas springs 26 and No. 4 upper ends
Support gas 27 structures of spring identical, No. 1 upper end support gas spring 24 and No. 2 upper end support gas springs 25 are connected to by bolt
On two gas spring connecting plates that the upper end of supporting bearing base 32 is set in No. 1 spring bearing base device 20, No. 3 upper end support gas springs 26
The upper end of supporting bearing base 32 in No. 2 spring bearing base devices 21 is connected to No. 4 upper end support gas springs 27 by bolt to set
On the two gas spring connecting plates put；No. 1 lower end support gas spring 28, No. 2 lower end support gas springs 29, No. 3 lower end support gas springs 30 and 4
Number lower end support gas 31 structures of spring are identical, constituted by the gentle spring connects bearing of support gas spring, No. 1 lower end support gas spring 28
The lower end of supporting bearing base 32 in No. 1 spring bearing base device 20 is connected to No. 2 lower end support gas springs 29 by bolt to set
On the two gas spring connecting plates put, No. 3 lower end support gas springs 30 and No. 4 lower end support gas springs 31 are connected to 2 by bolt
On two gas spring connecting plates that the lower end of supporting bearing base 32 is set in number spring bearing base device 21.
Refering to Fig. 6 and Fig. 7, No. 1 described spring bearing base device 20 and No. 2 complete phases of the structure of spring bearing base device 21
Together, by supporting bearing base 32, No. 1 bearing cover 33, No. 2 bearing covers 34, swelling device 35, No. 1 spring bearings 36
Constituted with No. 2 spring bearings 37；Wherein supporting bearing base 32 is welded by rectangular steel pipe and steel plate, and centre, which is provided with, supplies bearing
The bearing mounting hole of installation, the top and bottom of supporting bearing base 32 are respectively arranged with two gas spring connecting plates, and connect along gas spring
The even circumferential of fishplate bar is provided with 4 manholes, No. 1 spring bearing 36 and No. 2 spring bearings 37 by bearing inner ring with
The outer ring surface contact connection of swelling device 35, the outer shroud of No. 1 spring bearing 36 and No. 2 spring bearings 37 with supporting bearing base 32
The bearing mounting hole circumference contact connection of upper setting, No. 1 bearing cover 33 is identical with No. 2 structures of bearing cover 34, No. 1
The right side of bearing cover 33 is connected with the left end plane-plane contact of supporting bearing base 32, and No. 1 bearing cover 33 passes through bolt
It is fixed in supporting bearing base 32, the left side of No. 2 bearing covers 34 is connected with the right-hand member plane-plane contact of supporting bearing base 32,
No. 2 bearing covers 34 are bolted in supporting bearing base 32.
Refering to Fig. 8 and Fig. 9, described experiment axle assembly 19 include experiment axle 38, driven pulley 39, No. 1 axle box bearing 40,
No. 1 axle box oil sealing 41, No. 2 axle box bearings 42 and No. 2 axle box oil sealings 43.Wherein, No. 1 axle box bearing 40 and No. 2 axle box bearings 42
Structure is identical, is by testpieces, using actual with axle box bearing, No. 1 axle box oil sealing 41 and No. 2 axle boxes on motor train unit bogie
The structure of oil sealing 43 is identical, using the actual labyrinth oil sealing on the inside of with bearing on motor train unit bogie.
Described experiment axle 38 is a multi-diameter shaft, including No. 1 axle box bearing installation axle 44, No. 1 supporting bearing base are installed
Axle 45, driven pulley installation axle 46, middle transition axle 47, No. 2 supporting bearing base installation axles 48 and No. 2 axle box bearing installation axles
49, keyway is provided with driven pulley installation axle 46.The medial surface of No. 1 axle box oil sealing 41 and No. 1 axle box bearing installation axle 44 are right
The shaft shoulder face contact connection of side, No. 1 axle box bearing 40 is arranged in No. 1 axle box bearing installation axle 44, bearing inner ring and axle interference
Coordinate, bearing inner ring right side contacts connection with the lateral surface of No. 1 axle box oil sealing 41；The medial surface of No. 2 axle box oil sealings 43 and No. 2
The shaft shoulder face contact connection in the left side of axle box bearing installation axle 49, No. 2 axle box bearings 42 are arranged on No. 2 axle box bearing installation axles 49
On, bearing inner ring is interference fitted with axle, and bearing inner ring right side contacts connection with the lateral surface of No. 2 axle box oil sealings 43；Driven belt
Wheel 39 is arranged in driven pulley installation axle 46, and is connected with driven pulley installation axle 46 by key, No. 1 supporting bearing base
Installation axle 45 is installed and used for No. 1 spring bearing base device 20, and No. 2 supporting bearing base installation axles 48 are for No. 2 supporting bearing base dresses
21 are put to install and use.
Refering to Figure 10, No. 1 described support gantry frame 8 is identical with No. 2 support structures of gantry frame 9, by dragon
Door crossbeam 50, No. 1 gantry upright post 51 and No. 2 gantry upright posts 52 are constituted；No. 1 gantry upright post 51 and No. 2 structure phases of gantry upright post 52
Together, it is welded by steel plate and rectangular steel pipe, lower end is provided with the gantry upright post installing plate being connected with equipment mounting platform 3,
Upper end is provided with the cross-beam connecting plate being connected with gantry beam 50, and the two ends of gantry beam 50 are respectively arranged with cross beam and upright post installation
Plate, the cross beam and upright post installing plate at the two ends of gantry beam 50 is tight with No. 1 gantry upright post 51 and No. 2 gantry upright posts 52 respectively by bolt
It is solidly connected.
Refering to Figure 11 to Figure 13, No. 1 described framework analogue means 10 is added by No. 1 axle box support 53, No. 1 axle box static(al)
Carry and put 54 and No. 1 dampers 55 and constitute, No. 1 axle box static force loading device 54 is arranged on No. 1 axle box support 53 by bolt
On, the upper end of No. 1 damper 55 is bolted on No. 1 axle box support 53.
No. 2 described framework analogue means 11 are subtracted by No. 2 axle box supports 56, No. 2 axle box static force loading devices 57 and No. 2
Shake device 58 is constituted, and No. 2 axle box static force loading devices 57 are arranged on No. 2 axle box supports 56 by bolt, No. 2 dampers 58
Upper end is bolted on No. 2 axle box supports 56.
No. 1 described axle box static force loading device 54 is identical with No. 2 structures of axle box static force loading device 57, by quiet
63 groups of power loading actuator 59, actuator installs rebound 60, spring upper end gland 61, journal box spring 62 and lower spring end lid
Into,
Static loading actuator 59 and actuator installs rebound 60 are bolted to connection, spring upper end gland 61 with
The actuator force application rod threaded connection of static loading actuator 59, spring upper end gland 61 and the upper table plane-plane contact of journal box spring 62
Connection, lower spring end lid 63 and the connection of the following table plane-plane contact of journal box spring 62.
The present invention operation principle be：
The motoring ring test bearing of motor 12 is rotated with the experiment axle assembly 19 in exciting boom device 7, is driven by adjusting
The rotating speed of motor 12 realizes the rotational speed regulation to testing axle assembly 19, so as to realize to the experiment under different rotating speeds, passes through No. 1 axle
Case static force loading device 54 realizes the static loading to No. 1 axle box assembly 22, passes through No. 1 axle box static force loading device 54 of change
The size of loading force realizes the regulation to No. 1 loading force of axle box assembly 22, is realized by No. 2 axle box static force loading devices 57 to 2
The static loading of number axle box assembly 23, is realized to No. 2 axles by changing the size of loading force of No. 2 axle box static force loading devices 57
The regulation of the loading force of box assembly 23, passes through No. 1 vertical exciting actuator 16, No. 2 vertical exciting actuator 17 and horizontal actuator 6
The excited frequency different from the offer of axle box assembly to experiment axle and exciting acceleration, pass through the static(al) under different rotating speeds, different
The shaft end in No. 1 axle box assembly 22 and No. 2 axle box assemblies 23 is grounded under loading, different excited frequencies and different exciting acceleration
Device, No. 1 axle box bearing 40 and No. 2 axle box bearings 42 carry out performance test.
Claims (9)
1. a kind of axle box bearing and earthing or grounding means are comprehensive performance test bed, it is made up of basic foundation and mechanical device, the machinery
Device is arranged in basic foundation, and its spy is just：
The mechanical device (2) is main by equipment mounting platform (3), horizontal reaction support (5), horizontal actuator (6), experiment axle
Hold and exciting boom device (7), 1, No. 2 support gantry frames (8,9), 1, No. 2 framework analogue means (10,11), power motors
(12) and 1, No. 2 vertical exciting actuator (16,17) composition, the horizontal reaction support (5) is installed by horizontal reaction support
Platform (4) is arranged in mounting platform (3), the hinge seat of horizontal actuator (6) front and back end by bolt respectively with experiment
Bearing and the exciting crossbeam (18) in exciting boom device (7) and horizontal reaction support (5) be connecteds, described 1, No. 2 support gantry frame
Frame (8,9) is bolted on equipment mounting platform (3) respectively；
Test bearing and the exciting boom device (7) is mounted in 1, between No. 2 support gantry frames (8,9), and described 1, No. 2 framework models
Intend device (10,11) to be separately fixed on No. 1 support gantry frame (8,9) by bolt, described 1, No. 2 vertical exciting actuator
(16,17) two ends are connected to exciting crossbeam (18) and vertical work in test bearing and exciting boom device (7) by bolt
On dynamic device mounting platform (15), the power motor (12) is fixed on equipment mounting platform (3) by motor support base (14), institute
Power motor (12) is stated to be connected by driving belt (13) rotation with the experiment axle assembly (19) in exciting boom device (7).
2. a kind of axle box bearing according to claim 1 and earthing or grounding means are comprehensive performance test bed, it is characterised in that：
The test bearing is filled with exciting boom device (7) by exciting crossbeam (18), experiment axle assembly (19), two supporting bearing bases
Put, two axle box assemblies and 8 support gas spring assemblies compositions, described 1, No. 2 axle box assemblies (22,23) respectively by 1, No. 2 axles
Axle box bearing (40,42) mounted in experiment axle assembly (19) two ends, described 1, No. 2 axle box assemblies (22,23) it is original using EMUs
Axle head grounding device is that by test specimen, the experiment axle assembly (19) is by 1, No. 2 spring bearing base devices in axle box assembly, axle box
(20,21) are fixed on exciting crossbeam (18), and described 1, No. 2 spring bearing base devices (20,21) lead to experiment axle assembly (19)
Cross bearing and rotate connection.
3. a kind of axle box bearing according to claim 2 and earthing or grounding means are comprehensive performance test bed, it is characterised in that：
Described exciting crossbeam (18) is in the welding class formation part being welded by steel plate and rectangular steel pipe, described 1 to No. 4
End support gas spring (24,25,26,27) structure is identical, is connected to 1 by bolt, No. 2 spring bearing base devices (20,21)
On two gas spring connecting plates that middle supporting bearing base (32) upper end is set；1 to No. 4 lower end support gas spring (28,29,30,
31) structure is identical, is constituted by the gentle spring connects bearing of support gas spring, is connected to 1 by bolt, No. 2 supporting bearing bases
On two gas spring connecting plates that supporting bearing base (32) lower end is set in device (20,21).
4. a kind of axle box bearing according to claim 2 and earthing or grounding means are comprehensive performance test bed, it is characterised in that：
In the exciting boom device (7) 1, the swing arm of No. 2 axle box assemblies (22,23) respectively with 1, No. 2 framework analogue means
In (10,11) 1, No. 2 axle box supports (53,56) rotated and connected by bearing pin, described 1, No. 2 framework analogue means (10,
11) in 1, No. 2 dampers (55,58) by bolt respectively with 1 in exciting boom device (7), No. 2 axle box assemblies (22,23)
Be fixedly connected, described 1,1 in No. 2 framework analogue means (10,11), No. 2 axle box static force loading devices (54,57) are respectively with swashing
Shake 1 in boom device (7), the journal box spring positioning plane-plane contact connection that No. 2 axle box assembly (22,23) upper ends are set.
5. a kind of axle box bearing according to claim 2 and earthing or grounding means are comprehensive performance test bed, it is characterised in that：
No. 1 spring bearing base device (20) is identical with No. 2 spring bearing base device (21) structures, by supporting bearing base
(32), 1, No. 2 bearing covers (33,34), swelling device (35) and 1, No. 2 spring bearing (36,37) compositions, wherein support shaft
Bearing mounting hole is provided with the middle of bearing (32), supporting bearing base (32) top and bottom are respectively arranged with two gas spring connecting plates,
Described 1, No. 2 spring bearings (36,37) contact connection, described 1,2 with the outer ring surface of swelling device (35) by bearing inner ring
Number spring bearing (36,37) is arranged in the bearing mounting hole in the middle of supporting bearing base (32), and by structure identical 1, No. 2
Bearing cover (33,34) is fixed.
6. a kind of axle box bearing according to claim 2 and earthing or grounding means are comprehensive performance test bed, it is characterised in that：
Driven pulley (39) of the described experiment axle assembly (19) by experiment axle (38) and in experiment axle (38), 1, No. 2
Axle box bearing (40,42), 1, No. 2 axle box oil sealing (41,43) compositions, described experiment axle (38) is multi-diameter shaft, No. 1 axle box
Bearing (40) is identical with No. 2 axle box bearing (42) structures, is, by testpieces, axle box axle to be used using actual on motor train unit bogie
Hold, No. 1 axle box oil sealing (41) is identical with No. 2 axle box oil sealing (43) structures, using actual with axle on motor train unit bogie
Hold inner side labyrinth oil sealing.
7. a kind of axle box bearing according to claim 1 and earthing or grounding means are comprehensive performance test bed, it is characterised in that：
No. 1 described support gantry frame (8) is identical with No. 2 support gantry frame (9) structures, by gantry beam
(50), No. 1 gantry upright post (51) and No. 2 gantry upright post (52) compositions, No. 1 gantry upright post (51) and No. 2 gantry upright posts
(52) structure is identical, is welded by steel plate and rectangular steel pipe, the gantry beam (50) and No. 1 gantry upright post (51) and 2
Number gantry upright post (52) is connected by connecting plate, No. 1 gantry upright post (51) and No. 2 gantry upright post (52) lower ends be provided with
The gantry upright post installing plate of equipment mounting platform (3) connection.
8. a kind of axle box bearing according to claim 1 and earthing or grounding means are comprehensive performance test bed, it is characterised in that：
No. 1 described framework analogue means (10) is by No. 1 axle box support (53), No. 1 axle box static force loading device (54) and No. 1
Damper (55) is constituted, and No. 1 axle box static force loading device (54) is arranged on No. 1 axle box support (53) by bolt,
The upper end of No. 1 damper (55) is bolted on No. 1 axle box support (53)；
No. 2 described framework analogue means (11) are by No. 2 axle box supports (56), No. 2 axle box static force loading devices (57) and No. 2
Damper (58) is constituted, and No. 2 axle box static force loading devices (57) are arranged on No. 2 axle box supports (56) by bolt,
No. 2 dampers (58) upper end is bolted on No. 2 axle box supports (56).
9. a kind of axle box bearing according to claim 6 and earthing or grounding means are comprehensive performance test bed, it is characterised in that：
No. 1 described axle box static force loading device (54) is identical with No. 2 axle box static force loading device (57) structures, by static(al) plus
Carry actuator (59), actuator installs rebound (60), spring upper end gland (61), journal box spring (62) and lower spring end lid
(63) constitute, the static loading actuator (59) is bolted to connection with actuator installs rebound (60), the bullet
Spring upper end gland (61) is threadedly coupled with the actuator force application rod of static loading actuator (59), spring upper end gland (61) and axle
Case spring (62) upper table plane-plane contact is connected, and lower spring end lid (63) is connected with journal box spring (62) following table plane-plane contact.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710690524.1A CN107328569B (en) | 2017-08-14 | 2017-08-14 | Axle box bearing is comprehensive performance test bed with earthing or grounding means |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710690524.1A CN107328569B (en) | 2017-08-14 | 2017-08-14 | Axle box bearing is comprehensive performance test bed with earthing or grounding means |
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| CN107328569B CN107328569B (en) | 2018-07-06 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107917816A (en) * | 2018-01-08 | 2018-04-17 | 吉林大学 | High-frequency excitation earthing or grounding means testing stand |
| CN108680370A (en) * | 2018-07-12 | 2018-10-19 | 吉林大学 | A kind of railway vehicle wheel is comprehensive performance test bed to running-in |
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| US5072611A (en) * | 1990-09-04 | 1991-12-17 | The B. F. Goodrich Company | Apparatus and method for testing wheels, bearings and lubricants |
| CN102353507A (en) * | 2011-07-08 | 2012-02-15 | 吉林大学 | Reliability test platform for frame and traction transmission system of bogie of bullet train |
| CN106370443A (en) * | 2016-11-17 | 2017-02-01 | 中车长春轨道客车股份有限公司 | Wheel-rail relation test research test bench |
| CN207215442U (en) * | 2017-08-14 | 2018-04-10 | 吉林大学 | Axle box bearing is comprehensive performance test bed with earthing or grounding means |
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2017
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5072611A (en) * | 1990-09-04 | 1991-12-17 | The B. F. Goodrich Company | Apparatus and method for testing wheels, bearings and lubricants |
| CN102353507A (en) * | 2011-07-08 | 2012-02-15 | 吉林大学 | Reliability test platform for frame and traction transmission system of bogie of bullet train |
| CN106370443A (en) * | 2016-11-17 | 2017-02-01 | 中车长春轨道客车股份有限公司 | Wheel-rail relation test research test bench |
| CN207215442U (en) * | 2017-08-14 | 2018-04-10 | 吉林大学 | Axle box bearing is comprehensive performance test bed with earthing or grounding means |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107917816A (en) * | 2018-01-08 | 2018-04-17 | 吉林大学 | High-frequency excitation earthing or grounding means testing stand |
| CN108680370A (en) * | 2018-07-12 | 2018-10-19 | 吉林大学 | A kind of railway vehicle wheel is comprehensive performance test bed to running-in |
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| Publication number | Publication date |
|---|---|
| CN107328569B (en) | 2018-07-06 |
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