CN106769554A - Elastic side bearing fatigue experimental device and method - Google Patents
Elastic side bearing fatigue experimental device and method Download PDFInfo
- Publication number
- CN106769554A CN106769554A CN201611059714.5A CN201611059714A CN106769554A CN 106769554 A CN106769554 A CN 106769554A CN 201611059714 A CN201611059714 A CN 201611059714A CN 106769554 A CN106769554 A CN 106769554A
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- Prior art keywords
- side bearing
- elastic side
- vertical
- horizontal
- elastic
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/32—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/08—Railway vehicles
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0005—Repeated or cyclic
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/0069—Fatigue, creep, strain-stress relations or elastic constants
- G01N2203/0073—Fatigue
Abstract
The invention discloses a kind of elastic side bearing fatigue experimental device, including：Side bearing, for placing elastic side bearing；Base is constituted, and it has the supporting table for supporting the side bearing；Horizontally disposed tie-beam, its one end is affixed with the side bearing, and its other end is articulated with alignment pin；The alignment pin is fixedly arranged on the location key seat being spaced a distance with base composition；Horizontal loading apparatus, for applying horizontal load to the side bearing；Vertical loading device, it is arranged on the side bearing wear plate of the elastic side bearing, and vertical load is applied with to the elastic side bearing.The elastic side bearing fatigue experimental device and method can simulate the practice operating mode of elastic side bearing, improve the reliability of elastic side bearing fatigue test results.
Description
Technical field
The present invention relates to rail vehicle technical field, more particularly to a kind of elastic side bearing fatigue experimental device and method.
Background technology
Rail vehicle generally comprises the part such as car body, bogie, brake apparatus, coupler and draft gear and constitutes.Wherein, turn to
The effect of frame is supporting body, and guiding vehicle bears the various load from car body and circuit along rail running.Car body with turn
Linked into an integrated entity by cartridge and side bearing to frame.
Wherein, elastic side bearing is a kind of conventional side bearing, and it has the effect for preventing car body side swinging excessive, while also
There is provided the steering resistance square of stabilization between car body and bogie, the stability of vehicle is improve.
, it is necessary to verify its fatigue reliability before practical application, therefore needs carry out experimental test to elastic side bearing in laboratory.
In real work, elastic side bearing is subject to Vertical Vibration Load lotus to act on and rubbing action longitudinally along the vehicle, but testing elastic at present
The experimental rig of side bearing by vertical load experiment and longitudinal loading experiment separately carry out, this obviously with the actual motion of elastic side bearing
Operating mode is inconsistent, so that result of the test has certain deviation.
Therefore, a kind of experimental rig that can simulate elastic side bearing practice operating mode how is designed, is art technology
The current technical issues that need to address of personnel.
The content of the invention
It is an object of the invention to provide a kind of elastic side bearing fatigue experimental device and method, elastic side bearing fatigue test dress
Put and method can simulate the practice operating mode of elastic side bearing, improve the reliability of elastic side bearing fatigue test results.
In order to solve the above technical problems, the present invention provides a kind of elastic side bearing fatigue experimental device, including：
Side bearing, for placing elastic side bearing；
Base is constituted, and it has the supporting table for supporting the side bearing；
Horizontally disposed tie-beam, its one end is affixed with the side bearing, and its other end is articulated with alignment pin；The positioning
Pin is fixedly arranged on the location key seat being spaced a distance with base composition；
Horizontal loading apparatus, for applying horizontal load to the side bearing；
Vertical loading device, it is arranged on the side bearing wear plate of the elastic side bearing, is applied with to the elastic side bearing
Vertical load.
The elastic side bearing fatigue experimental device that the present invention is provided, at the trial, horizontal loading apparatus and vertical loading device
Load simultaneously, wherein, horizontal loading apparatus apply horizontal load by side bearing to the elastic side bearing in side bearing, to simulate car
Longitudinally opposed displacement between body and bogie, vertical loading device applies vertical load to elastic side bearing, with simulating vehicle side
Vertical relative displacement during rolling between car body and bogie；Due to the setting of tie-beam, in horizontal loading apparatus and Plumb load
While device is to elastic side bearing imposed load, side bearing can be rotated together with tie-beam around alignment pin, to simulate actual motion
Revolution between middle car body and bogie, so makes experimental condition more meet the practice operating mode of elastic side bearing such that it is able to
Improve the reliability of result of the test.
Optionally, the horizontal loading apparatus include horizontal actuator and coupling assembly；The coupling assembly and the side
Bearing is connected, and the horizontal actuator applies horizontal load by the coupling assembly to the side bearing.
Optionally, the coupling assembly includes the connecting seat affixed with the side bearing and the work being hinged with the connecting seat
With head, the horizontal force head is provided with the mounting hole for installing the horizontal actuator.
Optionally, the vertical loading device includes vertical actuator and effect frame, and the vertical actuator is by described
Effect frame applies vertical load to the elastic side bearing.
Optionally, there is the vertical action head being connected with the vertical actuator, the vertical effect on the effect frame
Head has the mounting hole for installing the vertical actuator.
Optionally, also including limiting the limiting component for acting on frame, to prevent the effect frame from moving in the horizontal plane.
Optionally, the limiting component includes four locating dowels, and four corners of the effect frame are equipped with draw-in groove, described
Effect frame is positioned in the state of the side bearing wear plate, and four locating dowels are placed in four draw-in grooves respectively.
Optionally, each locating dowel is fixed with the base that the base is constituted is integrated.
The present invention also provides a kind of elastic side bearing test method, and the method is using the elastic side bearing examination described in any of the above-described
Experiment device is carried out；
During experiment, the horizontal loading apparatus and the vertical loading device are loaded simultaneously, wherein, the horizontal addload dress
The loading parameter put is：Amplitude >=4mm, frequency is 0.5~3Hz, and the loading parameter of the vertical loading device is：Amplitude is 3
~18mm, frequency is 0.5~3Hz.
The test method is consistent with the principle of above-mentioned experimental rig, can reach identical beneficial effect.
Optionally, during experiment, the loading frequency of the vertical loading device is the loading frequency of the horizontal loading apparatus
2 times.
Brief description of the drawings
Fig. 1 is a kind of structural representation of specific embodiment of elastic side bearing fatigue experimental device provided by the present invention；
Fig. 2 is the left view of elastic side bearing fatigue experimental device shown in Fig. 1；
Fig. 3 is the top view of elastic side bearing fatigue experimental device shown in Fig. 1.
Wherein, one-to-one relationship is as follows between component names and reference in Fig. 1 to Fig. 3：
Side bearing 101, elastic side bearing 102, base composition 103, base 131, supporting table 132, locating dowel 133, tie-beam
104, alignment pin 105, location key seat 106, connecting seat 107, horizontal force first 108 acts on frame 109, vertical action head 191.
Specific embodiment
Core of the invention is to provide a kind of elastic side bearing fatigue experimental device and method, elastic side bearing fatigue test dress
The practice operating mode that can simulate elastic side bearing is put, the reliability of elastic side bearing fatigue test results is improve.
In order that those skilled in the art more fully understand the present invention program, with reference to the accompanying drawings and detailed description
The present invention is described in further detail.
Fig. 1 to Fig. 3 is refer to, wherein, Fig. 1 is a kind of specific implementation of elastic side bearing fatigue experimental device provided by the present invention
The structural representation of example；Fig. 2 is the left view of elastic side bearing fatigue experimental device shown in Fig. 1；Fig. 3 is elastic side bearing shown in Fig. 1
The top view of fatigue experimental device.
In the embodiment, elastic side bearing fatigue experimental device includes side bearing 101, base composition 103, tie-beam 104, determines
Position pin 105, location key seat 106, horizontal loading apparatus and vertical loading device.
Wherein, side bearing 101 is used to place and needs to carry out the elastic side bearing 102 of experimental test；Base composition 103 includes energy
Enough support the supporting table 132 of side bearing 101.
Wherein, tie-beam 104 is horizontally disposed with, and its one end is affixed with side bearing 101, and its other end is articulated with alignment pin 105,
So that tie-beam 104 can drive side bearing 101 to be rotated around alignment pin 105；Alignment pin 105 is fixedly arranged on between base composition 103
Every the location key seat 106 of a segment distance, it is clear that spacing distance and tie-beam between location key seat 106 and base composition 103
104 length is related.
Specifically, tie-beam 104 can be fixed with 101 groups of solid weldings of side bearing, not only easy but also reliable.Certainly, other can also be taken
Fixed connection mode.
Wherein, horizontal loading apparatus are used to apply horizontal load to side bearing 101, and vertical loading device is arranged on by elasticity
Hold on 102 side bearing wear plate, vertical load is applied with to elastic side bearing 102.
It should be noted that the side bearing wear plate of elastic side bearing 102 can be movable relatively with vertical loading device, side bearing
101 can be movable relatively with the supporting table 132 of base composition 103, in order to simulate the longitudinally opposed position between car body and bogie
Move.
As above, the elastic side bearing fatigue experimental device, when being tested, horizontal loading apparatus and vertical loading device can
While imposed load, wherein, horizontal loading apparatus are applied by the elastic side bearing 102 that side bearing 101 pairs is positioned in side bearing 101
Plus horizontal load, to simulate the longitudinally opposed displacement between car body and bogie, vertical loading device applies to elastic side bearing 102
Vertical load, vertical relative displacement when being sidewindered with simulating vehicle between car body and bogie；So, with actual moving process in
Elastic side bearing 102 is subject to the situation of vertical load and longitudinal loading consistent simultaneously；In addition, because of the setting of tie-beam 104, in water
While flat loading device and vertical loading device are to 102 imposed load of elastic side bearing, side bearing 101 can be with tie-beam 104 1
Rise and rotated around alignment pin 105, to simulate the gyroscopic action in actual motion between car body and bogie, so make experimental condition more
Meet the practice operating mode of elastic side bearing such that it is able to improve the reliability of result of the test.
In specific scheme, horizontal loading apparatus include horizontal actuator (not shown) and coupling assembly；Wherein, even
Connected components are connected with side bearing 101, and horizontal actuator applies horizontal load by coupling assembly to side bearing 101.
More specifically, coupling assembly includes connecting seat 107 and horizontal force first 108, wherein, connecting seat 107 and side bearing
101 is affixed, and horizontal force first 108 is hinged with connecting seat 107, and horizontal force first 108 is provided with the installation of the horizontal actuator of installation
Hole.
Because side bearing 101 can carry out certain rotation with tie-beam 104, after being set as above, when horizontal load is applied,
Because horizontal force first 108 and connecting seat 107 are hinged so that horizontal actuator 108 has certain rotation space, it can be ensured that to side
The horizontal addload of bearing 101.
Connecting seat 107 can be connected with the fixed connection mode of side bearing 101 for welding, fastener.Horizontal force first 108 with
Connecting seat 107 can by bearing pin realize be hinged.
One end that generally horizontal action head 108 is connected with horizontal actuator is discoid, and specifically, mounting hole can be set
Multiple, is circumferentially uniformly distributed, to ensure the reliability that horizontal actuator and horizontal force first 108 is installed.
In specific scheme, vertical loading device includes vertical actuator (not shown) and effect frame 109, vertical work
Dynamic device applies vertical load by acting on frame 109 to elastic side bearing 102.
More specifically, effect frame 109 includes vertical action head 191, for connecting vertical actuator.With horizontal force head
108 are similar to, and it is also the multiple vertical work of installation that is discoid, setting thereon that vertical action head 191 is connected one end with vertical actuator
The mounting hole of dynamic device can be uniformly distributed along the circumference, with the reliability for ensuring to be connected with vertical actuator.
At the trial, if vertical loading device is moved in the horizontal plane, can cause not have between elastic side bearing 102
Have frictional force, thus cannot imposed load to the side elastic body of elastic side bearing 102, be not inconsistent with actual operating mode, therefore, should
Experimental rig is additionally provided with the limiting component of restriction effect frame 109, to prevent effect frame 109 from moving in the horizontal plane, so that it is guaranteed that
The validity that vertical load applies.
In specific scheme, limiting component includes four locating dowels 133, and effect frame 109 is except the part of vertical action head 191
Entirety is rectangle structure, and draw-in groove is equipped with four corners of effect frame 109, when effect frame 109 is positioned over elastic side bearing 102
Side bearing wear plate when, four locating dowels can distinguish holding in four draw-in grooves of effect frame 109, so limit effect
The position in the horizontal plane of frame 109.
Specifically, four locating dowels 133 fixed with the base 131 of base composition 103 can be integrated, to simplify structure.
In addition to above-mentioned elastic side bearing experimental rig, the present invention also provides a kind of elastic side bearing test method, and the method is adopted
Use and give an account of the elastic side bearing experimental rig for continuing and carry out.
During experiment, horizontal loading apparatus and vertical loading device are loaded simultaneously, wherein, the loading parameter of horizontal loading apparatus
For：Amplitude >=4mm, frequency is 0.5~3Hz, and the loading parameter of vertical loading device is：Amplitude is 3~18mm, and frequency is 0.5
~3Hz.
Specifically, elastic side bearing is compressed to highly by real work by vertical actuator, frequency is sidewindered according to vehicle is actual
Rate loads dynamic loading.
More specifically, the loading frequency of vertical loading device is 2 times of the loading frequency of horizontal loading apparatus, but one
Duty cycle should be grown as far as possible, to avoid loading from being formed periodically, it is ensured that loading is as far as possible random, to be more nearly practice work
Condition.
Elastic side bearing fatigue experimental device provided by the present invention and method are described in detail above.Herein
Apply specific case to be set forth principle of the invention and implementation method, the explanation of above example is only intended to help
Understand the method for the present invention and its core concept.It should be pointed out that for those skilled in the art, not taking off
On the premise of the principle of the invention, some improvement and modification can also be carried out to the present invention, these are improved and modification also falls into this
In invention scope of the claims.
Claims (10)
1. elastic side bearing fatigue experimental device, it is characterised in that including：
Side bearing (101), for placing elastic side bearing (102)；
Base constitutes (103), and it has the supporting table (132) for supporting the side bearing (101)；
Horizontally disposed tie-beam (104), its one end is affixed with the side bearing (101), and its other end is articulated with alignment pin
(105)；The alignment pin (105) is fixedly arranged on the location key seat (106) being spaced a distance with base composition (103)；
Horizontal loading apparatus, for applying horizontal load to the side bearing (101)；
Vertical loading device, it is arranged on the side bearing wear plate of the elastic side bearing (102), with to the elastic side bearing
(102) vertical load is applied.
2. elastic side bearing experimental rig according to claim 1, it is characterised in that the horizontal loading apparatus include level
Actuator and coupling assembly；The coupling assembly is connected with the side bearing (101), and the horizontal actuator is by the connection
Component applies horizontal load to the side bearing (101).
3. elastic side bearing experimental rig according to claim 2, it is characterised in that the coupling assembly includes and the side
The affixed connecting seat (107) of bearing (101) and the horizontal force head (108) being hinged with the connecting seat (107), the level are made
The mounting hole for installing the horizontal actuator is provided with head (108).
4. the elastic side bearing experimental rig according to claim any one of 1-3, it is characterised in that the vertical loading device
Including vertical actuator and effect frame (109), the vertical actuator is by effect frame (109) to the elastic side bearing
(102) vertical load is applied.
5. elastic side bearing experimental rig according to claim 4, it is characterised in that have on the effect frame (109) with
The vertical action head (191) of the vertical actuator connection, the vertical action head (191) is with the installation vertical actuator
Mounting hole.
6. elastic side bearing experimental rig according to claim 4, it is characterised in that also including limiting the effect frame
(109) limiting component, to prevent effect frame (109) from moving in the horizontal plane.
7. elastic side bearing experimental rig according to claim 6, it is characterised in that the limiting component includes four positioning
Post (133), four corners of effect frame (109) are equipped with draw-in groove, and the effect frame (109) is positioned over the side bearing abrasion
In the state of plate, four locating dowels (133) are placed in four draw-in grooves respectively.
8. elastic side bearing experimental rig according to claim 7, it is characterised in that each locating dowel (133) with it is described
The base (131) of base composition (103) is fixed to be integrated.
9. elastic side bearing test method, it is characterised in that methods described is using the elastic side bearing described in claim any one of 1-8
Experimental rig is carried out；
During experiment, the horizontal loading apparatus and the vertical loading device are loaded simultaneously, wherein, the horizontal loading apparatus
Loading parameter is：Amplitude >=4mm, frequency is 0.5~3Hz, and the loading parameter of the vertical loading device is：Amplitude be 3~
18mm, frequency is 0.5~3Hz.
10. elastic side bearing test method according to claim 9, it is characterised in that during experiment, the vertical loading device
Loading frequency be 2 times of loading frequency of the horizontal loading apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611059714.5A CN106769554A (en) | 2016-11-25 | 2016-11-25 | Elastic side bearing fatigue experimental device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611059714.5A CN106769554A (en) | 2016-11-25 | 2016-11-25 | Elastic side bearing fatigue experimental device and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106769554A true CN106769554A (en) | 2017-05-31 |
Family
ID=58912639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611059714.5A Pending CN106769554A (en) | 2016-11-25 | 2016-11-25 | Elastic side bearing fatigue experimental device and method |
Country Status (1)
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107271205A (en) * | 2017-06-13 | 2017-10-20 | 中车齐齐哈尔车辆有限公司 | Rolling stock is delayed unloading the fatigue experimental device and fatigue test method of beam |
| CN108918303A (en) * | 2018-06-26 | 2018-11-30 | 湖南响箭重工科技有限公司 | A kind of telescopic support leg of pump truck fatigue experimental device and test method |
| CN110132564A (en) * | 2019-05-28 | 2019-08-16 | 中车青岛四方机车车辆股份有限公司 | Experimental rig for hanging type aerial train bolster |
| CN111413113A (en) * | 2020-04-10 | 2020-07-14 | 中车山东机车车辆有限公司 | Load loading device and method for joint of railway vehicle body and bogie |
| RU2767394C1 (en) * | 2021-07-08 | 2022-03-17 | Акционерное общество «Научно-производственная корпорация «Уралвагонзавод» имени Ф.Э. Дзержинского» | Car bogie slider test bench |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107271205A (en) * | 2017-06-13 | 2017-10-20 | 中车齐齐哈尔车辆有限公司 | Rolling stock is delayed unloading the fatigue experimental device and fatigue test method of beam |
| CN108918303A (en) * | 2018-06-26 | 2018-11-30 | 湖南响箭重工科技有限公司 | A kind of telescopic support leg of pump truck fatigue experimental device and test method |
| CN110132564A (en) * | 2019-05-28 | 2019-08-16 | 中车青岛四方机车车辆股份有限公司 | Experimental rig for hanging type aerial train bolster |
| CN111413113A (en) * | 2020-04-10 | 2020-07-14 | 中车山东机车车辆有限公司 | Load loading device and method for joint of railway vehicle body and bogie |
| RU2767394C1 (en) * | 2021-07-08 | 2022-03-17 | Акционерное общество «Научно-производственная корпорация «Уралвагонзавод» имени Ф.Э. Дзержинского» | Car bogie slider test bench |
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