CN110017990A - A kind of High-speed Train Bearing performance testing device - Google Patents
A kind of High-speed Train Bearing performance testing device Download PDFInfo
- Publication number
- CN110017990A CN110017990A CN201910432649.3A CN201910432649A CN110017990A CN 110017990 A CN110017990 A CN 110017990A CN 201910432649 A CN201910432649 A CN 201910432649A CN 110017990 A CN110017990 A CN 110017990A
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- bearing
- main shaft
- hydraulic cylinder
- speed train
- radial
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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
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- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
A kind of High-speed Train Bearing performance testing device, including pedestal, main shaft, main shaft support bearing seat, axially loaded component and radial loaded component；Main shaft is located at the top of pedestal by two main shaft support bearing seats and is driven using motor belt；One High-speed Train Bearing to be measured being placed in bearing housing is respectively installed on the outside main shaft of two bearing blocks；Axially loaded component is used to apply High-speed Train Bearing to be measured axial load, and radial loaded component is used to apply radial load to High-speed Train Bearing to be measured；Axially loaded component includes axially loaded frame and axially loaded hydraulic cylinder, and axially loaded hydraulic cylinder is connected between bearing housing and axially loaded frame, is equipped with pressure sensor between axially loaded hydraulic cylinder and bearing housing；Radial loaded component includes radial loaded hydraulic cylinder and force transmission rack, and radial loaded hydraulic cylinder piston rod is connected by force transmission rack with bearing housing, and tension-compression sensor is equipped on force transmission rack；Axially and radially loading hydraulic cylinder bottom end is mounted on vibration excitor.
Description
Technical field
The invention belongs to bearing performance the field of test technology, fill more particularly to a kind of High-speed Train Bearing performance test
It sets.
Background technique
The operation speed per hour of bullet train has reached 250km/h or more, and High-speed Train Bearing is used as walking support member,
It is one of the train part for being easiest to damage, load force suffered by High-speed Train Bearing is complicated and changeable, is easily running at high speed
And destroyed in the case where high vibration, therefore, the performance indicators such as precision, service life, reliability of High-speed Train Bearing arrange high speed
The safe operation of vehicle plays a crucial role, and with the continuous improvement of bullet train speed, to High-speed Train Bearing
Performance indicator also proposed requirements at the higher level, it is necessary to test the performance of High-speed Train Bearing.
Currently, can be used in the device tested bearing performance, generally belong to low speed bearing test device, Wu Faman
The performance test of sufficient high-speed bearing, if improving test revolving speed by force, by the serious service life for reducing test device, Er Qiexing
The reliability of energy index test result also can be reduced seriously.
Summary of the invention
In view of the problems of the existing technology, the present invention provides a kind of High-speed Train Bearing performance testing device, Neng Gouyou
Effect meets the performance test requirement of high-speed bearing, has higher service life, can effectively improve testing performance index result
Reliability.
To achieve the goals above, the present invention adopts the following technical scheme: a kind of High-speed Train Bearing performance testing device,
Including pedestal, main shaft, spindle drive motor, driving pulley, driven pulley, belt, the first main shaft support bearing seat, the second main shaft
Supporting bearing base, axially loaded component, the first radial loaded component and the second radial loaded component；The main shaft is main by first
Axis supporting bearing base and the second main shaft support bearing seat are horizontally set at the top of pedestal, in the first main shaft support bearing seat and second
Driven pulley is fixedly installed on main shaft between main shaft support bearing seat；The spindle drive motor is fixed on pedestal,
Driving pulley is fixedly mounted on the motor shaft of spindle drive motor, and driving pulley and driven pulley are sequentially connected by belt；
The first High-speed Train Bearing to be measured being placed in bearing housing is installed on the main shaft on the outside of the first main shaft support bearing seat,
The second High-speed Train Bearing to be measured being placed in bearing housing is installed on the main shaft on the outside of the second main shaft support bearing seat；
The axially loaded component includes axially loaded frame and axially loaded hydraulic cylinder, and axially loaded frame uses rectangular closed formula frame
Frame structure, axially loaded frame are horizontally arranged at the top of pedestal, and main shaft is located on the inside of axially loaded frame；It is described axially loaded
Hydraulic cylinder is horizontally set between axially loaded frame and the bearing housing of the first High-speed Train Bearing to be measured, and axially loaded hydraulic
The longitudinal center line of cylinder and main shaft coincides, the piston rod end of axially loaded hydraulic cylinder and the first High-speed Train Bearing to be measured
Bearing housing is connected；The bearing housing of second High-speed Train Bearing to be measured is abutted against with axially loaded frame to contact；It is described
The structure of first radial loaded component and the second radial loaded component is identical, includes radial loaded hydraulic cylinder and force transmission rack；Institute
State the first radial loaded component radial loaded hydraulic cylinder be vertically arranged in the bearing housing of the first High-speed Train Bearing to be measured just under
Side and piston rod is upward, the radial loaded hydraulic cylinder of the bearing housing of the first High-speed Train Bearing to be measured and the first radial loaded component
It is connected between piston rod by force transmission rack, the cylinder barrel bottom end and pedestal bottom of the radial loaded hydraulic cylinder of the first radial loaded component
It is fixedly connected with；The radial loaded hydraulic cylinder of the second radial loaded component is vertically arranged in the axis of the second High-speed Train Bearing to be measured
Hold case underface and piston rod upward, the bearing housing of the second High-speed Train Bearing to be measured and the radial direction of the second radial loaded component add
Between load hydraulic cylinder piston rod by force transmission rack be connected, the cylinder barrel bottom end of the radial loaded hydraulic cylinder of the second radial loaded component with
Pedestal bottom is fixedly connected with.
Pacify between the piston rod end of the axially loaded hydraulic cylinder and the bearing housing of the first High-speed Train Bearing to be measured
Equipped with pressure sensor；Tension and compression are mounted on the force transmission rack of the first radial loaded component and the second radial loaded component
Force snesor.
The first vibration excitor is installed in the cylinder barrel bottom end of the axially loaded hydraulic cylinder, the first vibration excitor passes through vibration excitor branch
Frame is fixedly connected with ground；The second vibration excitor is installed between the cylinder barrel bottom end and pedestal bottom of the radial loaded hydraulic cylinder.
Beneficial effects of the present invention:
High-speed Train Bearing performance testing device of the invention can effectively meet the performance test requirement of high-speed bearing,
With higher service life, the reliability of testing performance index result can be effectively improved.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of High-speed Train Bearing performance testing device of the invention；
Fig. 2 is the dress of main shaft of the invention, the first main shaft support bearing seat, the second main shaft support bearing seat and driven pulley
With schematic diagram；
Fig. 3 is the structural schematic diagram of axially loaded component of the invention；
Fig. 4 is the structural schematic diagram of first/second radial loaded component of the invention；
In figure, 1-pedestal, 2-main shafts, 3-spindle drive motors, 4-driving pulleys, 5-driven pulleys, 6-belts,
7-the first main shaft support bearing seat, the 8-the second main shaft support bearing seat, 9-axially loaded components, the 10-the first radial loaded
Component, the 11-the second radial loaded component, the 12-the first High-speed Train Bearing to be measured, the 13-the second High-speed Train Bearing to be measured,
14-axially loaded frames, 15-axially loaded hydraulic cylinders, 16-radial loaded hydraulic cylinders, 17-force transmission racks, 18-pressure pass
Sensor, 19-pull pressure sensor, the 20-the first vibration excitor, 21-exciter supports, the 22-the second vibration excitor.
Specific embodiment
The present invention is described in further detail in the following with reference to the drawings and specific embodiments.
As shown in figures 1-4, a kind of High-speed Train Bearing performance testing device, including pedestal 1, main shaft 2, main shaft drives electricity
Machine 3, driven pulley 5, belt 6, the first main shaft support bearing seat 7, the second main shaft support bearing seat 8, axially adds driving pulley 4
Carry component 9, the first radial loaded component 10 and the second radial loaded component 11；The main shaft 2 passes through the first main shaft support bearing
Seat 7 and the second main shaft support bearing seat 8 are horizontally set on 1 top of pedestal, in the first main shaft support bearing seat 7 and the second main shaft branch
It supports and driven pulley 5 is fixedly installed on the main shaft 2 between bearing block 8；The fixed setting of spindle drive motor 3 is on the pedestal 1, main
Movable belt pulley 4 is fixedly mounted on the motor shaft of spindle drive motor 3, and driving pulley 4 and driven pulley 5 are connected by the transmission of belt 6
It connects；The first bullet train to be measured being placed in bearing housing is installed on the main shaft 2 in 7 outside of the first main shaft support bearing seat
Bearing 12 is equipped with the second high speed to be measured being placed in bearing housing on the main shaft 2 in 8 outside of the second main shaft support bearing seat
Train bearing 13；The axially loaded component 9 includes axially loaded frame 14 and axially loaded hydraulic cylinder 15, axially loaded frame
10 use rectangular closed formula frame structure, and axially loaded frame 10 is horizontally arranged at 1 top of pedestal, and main shaft 2 is located at axial add
Carry 10 inside of frame；The axially loaded hydraulic cylinder 15 is horizontally set on axially loaded frame 14 and the first bullet train axis to be measured
It holds between 12 bearing housing, and axially loaded hydraulic cylinder 15 and the longitudinal center line of main shaft 2 coincide, axially loaded hydraulic cylinder 15
Piston rod end be connected with the bearing housing of the first High-speed Train Bearing 12 to be measured；Second High-speed Train Bearing 13 to be measured
Bearing housing is abutted against with axially loaded frame 14 and is contacted；The first radial loaded component 10 and the second radial loaded component
11 structure is identical, includes radial loaded hydraulic cylinder 16 and force transmission rack 17；The radial direction of the first radial loaded component 10 adds
Carrier fluid cylinder pressure 16 is vertically arranged in the bearing housing underface of the first High-speed Train Bearing 12 to be measured and piston rod upward, and first is to be measured
Pass through biography between the bearing housing of High-speed Train Bearing 12 and 16 piston rod of radial loaded hydraulic cylinder of the first radial loaded component 10
Power frame 17 is connected, and cylinder barrel bottom end and 1 bottom of pedestal of the radial loaded hydraulic cylinder 16 of the first radial loaded component 10 are fixedly connected with；Institute
The radial loaded hydraulic cylinder 16 for stating the second radial loaded component 11 is vertically arranged in the bearing of the second High-speed Train Bearing 13 to be measured
Immediately below case and piston rod upward, the bearing housing of the second High-speed Train Bearing 13 to be measured and the radial direction of the second radial loaded component 11
It is connected between 16 piston rod of loading hydraulic cylinder by force transmission rack 17, the radial loaded hydraulic cylinder 16 of the second radial loaded component 11
Cylinder barrel bottom end is fixedly connected with 1 bottom of pedestal.
The axially loaded hydraulic cylinder 15 piston rod end and the first High-speed Train Bearing 12 to be measured bearing housing it
Between pressure sensor 18 is installed；On the force transmission rack 17 of the first radial loaded component 10 and the second radial loaded component 11
It is mounted on pull pressure sensor 19.
First vibration excitor 20 is installed in the cylinder barrel bottom end of the axially loaded hydraulic cylinder 15, the first vibration excitor 20 is by swashing
Vibration device bracket 21 is fixedly connected with ground；It is equipped between 1 bottom of cylinder barrel bottom end and pedestal of the radial loaded hydraulic cylinder 16
Second vibration excitor 22.
Illustrate first use process of the invention with reference to the accompanying drawing:
First be placed in bearing housing first High-speed Train Bearing 12 to be measured and the second High-speed Train Bearing 13 to be measured divide
It is not installed to the designated position on main shaft 2, then by axially loaded component 9, the first radial loaded component 10 and the second radial loaded
Component 11 is respectively installed to position, while guaranteeing pressure sensor 18, pull pressure sensor 19, the first vibration excitor 20 and the second exciting
Device 22 is respectively mounted in place.
Next, axially loaded hydraulic cylinder 15 and radial loaded hydraulic cylinder 16 are accessed the servo-hydraulic got ready in advance respectively
It is that axially loaded hydraulic cylinder 15 and radial loaded hydraulic cylinder 16 provide hydraulic-driven power, servo by servo hydraulic system in system
Hydraulic system is configured with recirculated water cooling function, prevents analysis of hydraulic oil overheat.
Later, the first main shaft support bearing seat 7 and the second main shaft support bearing seat 8 are accessed into the lubrication got ready in advance respectively
In oily oil supply system, lubrication oil supply system carries out fuel feeding using oil pump, and lubricating oil is entered by oil inlet at the top of bearing block,
It is flowed out by bearing block bottom oil outlet, lubricating oil accumulator tank is configured with below oil outlet, by lubricating oil to bearing block
It is lubricated and cools down.
Followed by, by pressure sensor 18 and the signal output port of pull pressure sensor 19, by the first vibration excitor 20 and
In the computer of the signal control port access electrical control system of second vibration excitor 22.
Finally, starting spindle drive motor 3, pass sequentially through driving pulley 4, belt 6 and driven pulley 5 drive main shaft 2 by
High speed rotation is carried out according to setting speed, it is to be measured to the first High-speed Train Bearing 12 and second to be measured by axially loaded hydraulic cylinder 15
High-speed Train Bearing 13 applies axial load, to be measured to the first High-speed Train Bearing 12 and second to be measured by the first vibration excitor 20
High-speed Train Bearing 13 applies axial exciting force, and the first High-speed Train Bearing 12 and the second High-speed Train Bearing 13 to be measured to be measured is real
When the axial force that bears be measured in real time by pressure sensor 18 and data are transmitted in computer；Meanwhile passing through
Radial loaded hydraulic cylinder 16 applies radial load to the first High-speed Train Bearing 12 and the second High-speed Train Bearing 13 to be measured to be measured,
Apply radial exciting to the first High-speed Train Bearing 12 and the second High-speed Train Bearing 13 to be measured to be measured by the second vibration excitor 22
Power, the axial force that the first High-speed Train Bearing 12 and the second High-speed Train Bearing 13 to be measured to be measured is born in real time pass through tension and compression
Force snesor 19 is measured in real time and data are transmitted in computer.It, can be to be measured to first under above-mentioned operating status
The performance indicator of High-speed Train Bearing 12 and the second High-speed Train Bearing 13 to be measured carries out targetedly test job.
The scope of patent protection that scheme in embodiment is not intended to limit the invention, it is all without departing from carried out by the present invention etc.
Effect implements or change, is both contained in the scope of the patents of this case.
Claims (3)
1. a kind of High-speed Train Bearing performance testing device, it is characterised in that: including pedestal, main shaft, spindle drive motor, active
Belt wheel, driven pulley, belt, the first main shaft support bearing seat, the second main shaft support bearing seat, axially loaded component, the first diameter
To charging assembly and the second radial loaded component；The main shaft passes through the first main shaft support bearing seat and the second main shaft support bearing
Seat is horizontally set at the top of pedestal, fixed on the main shaft between the first main shaft support bearing seat and the second main shaft support bearing seat
Driven pulley is set；The spindle drive motor is fixed on pedestal, and driving pulley is fixedly mounted on spindle drive motor
Motor shaft on, driving pulley and driven pulley pass through belt transmission connection；On the outside of the first main shaft support bearing seat
First be placed in bearing housing High-speed Train Bearing to be measured is installed, on the outside of the second main shaft support bearing seat on main shaft
Second be placed in bearing housing High-speed Train Bearing to be measured is installed on main shaft；The axially loaded component includes axially loaded frame
Frame and axially loaded hydraulic cylinder, axially loaded frame use rectangular closed formula frame structure, and axially loaded frame is horizontally arranged at
At the top of pedestal, and main shaft is located on the inside of axially loaded frame；The axially loaded hydraulic cylinder is horizontally set on axially loaded frame
Between the bearing housing of the first High-speed Train Bearing to be measured, and the longitudinal center line of axially loaded hydraulic cylinder and main shaft coincides,
The piston rod end of axially loaded hydraulic cylinder is connected with the bearing housing of the first High-speed Train Bearing to be measured；Second high speed to be measured
The bearing housing of train bearing is abutted against with axially loaded frame and is contacted；The first radial loaded component and the second radial direction add
The structure for carrying component is identical, includes radial loaded hydraulic cylinder and force transmission rack；The radial loaded of the first radial loaded component
Hydraulic cylinder is vertically arranged in the bearing housing underface of the first High-speed Train Bearing to be measured and piston rod upward, the first high speed column to be measured
It is connected between the bearing housing of bearing and the radial loaded hydraulic cylinder piston rod of the first radial loaded component by force transmission rack, first
The cylinder barrel bottom end of the radial loaded hydraulic cylinder of radial loaded component is fixedly connected with pedestal bottom；The second radial loaded component
Radial loaded hydraulic cylinder be vertically arranged in immediately below the bearing housing of the second High-speed Train Bearing to be measured and piston rod upward, second to
It surveys between the bearing housing of High-speed Train Bearing and the radial loaded hydraulic cylinder piston rod of the second radial loaded component and passes through force transmission rack
It is connected, cylinder barrel bottom end and the pedestal bottom of the radial loaded hydraulic cylinder of the second radial loaded component are fixedly connected with.
2. a kind of High-speed Train Bearing performance testing device according to claim 1, it is characterised in that: add in the axial direction
Pressure sensor is installed between the piston rod end of carrier fluid cylinder pressure and the bearing housing of the first High-speed Train Bearing to be measured；Described
Pull pressure sensor is mounted on the force transmission rack of first radial loaded component and the second radial loaded component.
3. a kind of High-speed Train Bearing performance testing device according to claim 1, it is characterised in that: add in the axial direction
The cylinder barrel bottom end of carrier fluid cylinder pressure is equipped with the first vibration excitor, and the first vibration excitor is fixedly connected with by exciter support and ground；Institute
It states and the second vibration excitor is installed between the cylinder barrel bottom end of radial loaded hydraulic cylinder and pedestal bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910432649.3A CN110017990A (en) | 2019-05-23 | 2019-05-23 | A kind of High-speed Train Bearing performance testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910432649.3A CN110017990A (en) | 2019-05-23 | 2019-05-23 | A kind of High-speed Train Bearing performance testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110017990A true CN110017990A (en) | 2019-07-16 |
Family
ID=67194421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910432649.3A Pending CN110017990A (en) | 2019-05-23 | 2019-05-23 | A kind of High-speed Train Bearing performance testing device |
Country Status (1)
| Country | Link |
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| CN (1) | CN110017990A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112098091A (en) * | 2020-09-07 | 2020-12-18 | 北京航空航天大学 | Rolling bearing dynamic testing machine based on active vibration |
| CN113029568A (en) * | 2021-03-08 | 2021-06-25 | 广东石油化工学院 | Bearing life testing system and method |
| CN114608824A (en) * | 2022-03-28 | 2022-06-10 | 芜湖伦比轴承有限公司 | High-speed performance test equipment for high-speed rail axle box bearing |
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| CN102889991A (en) * | 2012-10-26 | 2013-01-23 | 浙江大学 | Bearing axially-symmetric loading mechanism of high speed railway |
| CN103353398A (en) * | 2013-07-29 | 2013-10-16 | 洛阳Lyc轴承有限公司 | Radial loading mechanism for high-speed heavy haul railway bearing testing stand |
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| CN104111170A (en) * | 2014-06-19 | 2014-10-22 | 杭州电子科技大学 | Testing stand of friction torque of automotive wheel hub bearing |
| CN104165768A (en) * | 2014-09-04 | 2014-11-26 | 大连理工大学 | Bearing integrated dynamic performance test device and method |
| CN204286790U (en) * | 2014-12-11 | 2015-04-22 | 成都天马铁路轴承有限公司 | Railway bearing testing machine |
| CN205483567U (en) * | 2016-03-31 | 2016-08-17 | 西北农林科技大学 | Bent ditch ball bearing performance test device |
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2019
- 2019-05-23 CN CN201910432649.3A patent/CN110017990A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102889991A (en) * | 2012-10-26 | 2013-01-23 | 浙江大学 | Bearing axially-symmetric loading mechanism of high speed railway |
| CN103353398A (en) * | 2013-07-29 | 2013-10-16 | 洛阳Lyc轴承有限公司 | Radial loading mechanism for high-speed heavy haul railway bearing testing stand |
| CN103439112A (en) * | 2013-09-16 | 2013-12-11 | 洛阳Lyc轴承有限公司 | Comprehensive performance test bed for high-speed railway bearing |
| CN104111170A (en) * | 2014-06-19 | 2014-10-22 | 杭州电子科技大学 | Testing stand of friction torque of automotive wheel hub bearing |
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| CN204286790U (en) * | 2014-12-11 | 2015-04-22 | 成都天马铁路轴承有限公司 | Railway bearing testing machine |
| CN205483567U (en) * | 2016-03-31 | 2016-08-17 | 西北农林科技大学 | Bent ditch ball bearing performance test device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112098091A (en) * | 2020-09-07 | 2020-12-18 | 北京航空航天大学 | Rolling bearing dynamic testing machine based on active vibration |
| CN113029568A (en) * | 2021-03-08 | 2021-06-25 | 广东石油化工学院 | Bearing life testing system and method |
| CN113029568B (en) * | 2021-03-08 | 2023-10-20 | 广东石油化工学院 | Bearing life test system and method |
| CN114608824A (en) * | 2022-03-28 | 2022-06-10 | 芜湖伦比轴承有限公司 | High-speed performance test equipment for high-speed rail axle box bearing |
| CN114608824B (en) * | 2022-03-28 | 2024-04-16 | 芜湖伦比轴承有限公司 | High-speed performance test equipment for high-speed railway axle box bearing |
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Application publication date: 20190716 |
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