CN106289848A - High-speed railway wheel track hang down cross force coupling loading simulator - Google Patents
High-speed railway wheel track hang down cross force coupling loading simulator Download PDFInfo
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- CN106289848A CN106289848A CN201610933206.9A CN201610933206A CN106289848A CN 106289848 A CN106289848 A CN 106289848A CN 201610933206 A CN201610933206 A CN 201610933206A CN 106289848 A CN106289848 A CN 106289848A
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Abstract
The invention discloses a kind of high-speed railway wheel track to hang down cross force coupling loading simulator, including reaction frame and be in the high speed railway track model configuration bottom reaction frame, the vertical force application mechanism of track of the vertical force acting on track structure when being provided with between reaction frame with high speed railway track model configuration for simulating high ferro train actual motion and the horizontal force application mechanism of track of the cross force that acts on track structure during for simulating high ferro train actual motion, the vertical force application mechanism of track and the horizontal force application mechanism of track are by for simulating the bogie simulation mechanism effect of high ferro train bogie to high speed railway track model configuration.Act on vertical force and the cross force of track structure when can simulate train actual motion so that result of the test is more fitted reality simultaneously., horizontal dynamic analysis vertical for Track/subgrade in High-speed Railway provides reliable weighted platform, provides experimental basis for disclosing track structure damage time dependent feature.
Description
Technical field
The present invention relates to high-speed railway modelling technique field, especially, relate to a kind of high-speed railway wheel track and hang down laterally
Couple of force closes loading simulator.
Background technology
Railway construction in China just gesture in great-leap-forward development, among a plurality of Line for Passenger Transportation and high-speed railway are being built.With
The raising of train running speed, the dynamics problem of engineering structure becomes increasingly conspicuous, and current high-speed railway dynamics Design is still
Not forming the theoretical system of system, existing method for designing is difficult to meet the needs that high-speed railway is fast-developing.For high-speed iron
Road engineering structure kinetics key issue, carries out model test to bullet train-track-roadbed system kinetics, proposes at a high speed
Railroad track-roadbed power performance indoor model test and on-the-spot test standard, to forming the China with independent intellectual property right
High-speed railway building technology system has great practical significance, provides important for China Express Railway construction and sustainable development
Technical support.
At present, high-speed railway dynamic load analog is only capable of meeting vertical power and loads, and bullet train is operationally
Owing to serpentine locomotion can apply Lateral Force to rail, the safety of track-structure and train operation also can be caused by it
Very important impact, existing analog have ignored the effect in other directions that track structure bears during actual operation
Power affects, it is impossible to complete research track dynamic characteristic, by the track-roadbed of this actual size model simulation reflection through time
Sexual behaviour has its limitation.
Summary of the invention
The invention provides a kind of high-speed railway wheel track to hang down cross force coupling loading simulator, to solve existing high-speed iron
Road dynamic load analog, have ignored the active force impact in other directions that track structure bears during actual operation,
Can not completely study track dynamic characteristic, by the time dependent behavior of the track-roadbed of this actual size model simulation reflection
There is its circumscribed technical problem.
The present invention provides a kind of high-speed railway wheel track to hang down cross force coupling loading simulator, including reaction frame and be in
High speed railway track model configuration bottom reaction frame, is provided with for simulating between reaction frame and high speed railway track model configuration
The vertical force application mechanism of track of the vertical force acting on track structure during high ferro train actual motion and for simulating high ferro row
The horizontal force application mechanism of track of the cross force acting on track structure during car actual motion, the vertical force application mechanism of track and track are horizontal
To force application mechanism by the bogie simulation mechanism effect for simulating high ferro train bogie to high speed railway track simulation knot
On structure.
Further, bogie simulation mechanism include on two groups of tracks being arranged on high speed railway track model configuration for
Simulation high ferro train bogie and prevent the track of high speed railway track model configuration roll 1/2nd take turns to, vertical the most also
Symmetry be fixed in 1/2nd take turns on for uniformly transferring the rigidity distribution beam of upper load and taking turns along two group 1/2nd
To cloth set direction connect two group 1/2nd take turns to for make two group 1/2nd take turns to fixing in groups and uniformly transfer load
Wheel to longitudinally connected bar.
Further, rigidity distribution beam vertical and symmetrically placed in 1/2nd take turns to semicircle wheel on, and by weldering
Connect fixing, to prevent rigidity distribution beam displacement in process of the test from transfiniting.
Further, the horizontal force application mechanism of track includes laterally being fixed in reaction frame along high speed railway track model configuration
Diagonal brace on and for uniformly applying the horizontal actuator of cross force to bogie simulation mechanism, horizontal actuator is solid by level
Determine device to be fixed on the diagonal brace of reaction frame, be provided with for transversely actuator between horizontal actuator and the crossbeam of reaction frame
Laterally secure the vertical fixture of horizontal actuator；Laterally the start head of actuator by pass force crossly bar be connected to two/
One takes turns upper, and horizontal actuator, pass force crossly bar and 1/2nd are taken turns coaxially arranged.
Further, pass force crossly bar includes the dowel steel front end being welded by a block plate and four steel cylinder
And the dowel steel end being made up of a steel cylinder.
Further, the vertical force application mechanism of track includes vertically being fixed on the crossbeam of reaction frame and vertical high-speed railway
Orbital simulation structure for uniformly applying the vertical actuator of vertical force, the start head of vertical actuator to bogie simulation mechanism
It is placed in the groove that rigidity distribution beam upper surface is offered, is provided with between start head and the bottom portion of groove of vertical actuator and hangs down for making
Limited movement is produced to adapt to the rigidity loading the impact on vertical actuator position due to horizontal actuator to actuator
Roller, is contacted with rigidity distribution beam by rigid roller bottom the start head of vertical actuator.
Further, the groove depth of groove is more than the spacing between start head and the bottom land of groove of vertical actuator, in case
Only start head is deviate from groove.
Further, between start head and the groove sidewall of groove of vertical actuator, leave the gap of 3cm-5cm, to ensure
Vertical actuator is only had bottom and is contacted with rigidity distribution beam by rigid roller.
Further, rigidity distribution beam bottom up arches upward 1cm-5cm, and the edge that arches upward is provided for preventing it vertical
Downwarp contact wheel axle and the arc-shaped transition preventing stress from concentrating when actuator loads.
Further, the crossbeam of reaction frame is provided with the hanger for lifting reaction frame；The column of reaction frame is that height can
The telescopic column adjusted, or the crossbeam of reaction frame height adjustable on column.
The method have the advantages that
High-speed railway wheel track of the present invention hang down cross force coupling loading simulator, when can simulate train actual motion simultaneously
Act on vertical force and the cross force of track structure, and cross force and vertical force combine the active force simulating other directions, make
Result of the test is more fitted reality.Bogie simulation mechanism simulation high-speed train bogie, vertical force and cross force are transferred to
Bogie simulation mechanism, can simulate vertical force and the cross force effect to track structure in train actual motion.Pass through counter-force
Frame can freely regulate the setting height(from bottom) of analog, inputs pre-to the vertical force application mechanism of track and the horizontal force application mechanism of track
If dynamic load time-histories, different track structure forms can be loaded.Vertical, horizontal for high speed railway track-roadbed
There is provided reliable weighted platform to dynamic analysis, provide experimental basis for disclosing track structure damage time dependent feature.
In addition to objects, features and advantages described above, the present invention also has other objects, features and advantages.
Below with reference to figure, the present invention is further detailed explanation.
Accompanying drawing explanation
The accompanying drawing of the part constituting the application is used for providing a further understanding of the present invention, and the present invention's is schematic real
Execute example and illustrate for explaining the present invention, being not intended that inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is that the high-speed railway wheel track of the preferred embodiment of the present invention hangs down the structural representation of cross force coupling loading simulator
Figure；
Fig. 2 is that the high-speed railway wheel track of the preferred embodiment of the present invention hangs down cross force coupling loading simulator along circuit longitudinally
The structural representation of section；
Fig. 3 is that the high-speed railway wheel track of the preferred embodiment of the present invention hangs down the plan structure of cross force coupling loading simulator
Schematic diagram；
Fig. 4 is that the high-speed railway wheel track of the preferred embodiment of the present invention hangs down the stereochemical structure of cross force coupling loading simulator
Schematic diagram；
Fig. 5 is the perspective view of the rigidity distribution beam of the preferred embodiment of the present invention.
Marginal data:
1, reaction frame；2, horizontal actuator；3, vertical actuator；4, rigidity distribution beam；5, horizontal fixture；6, vertical
Fixing device；7, pass force crossly bar；8,1/2nd take turns right；9, longitudinally connected bar；10, rigid roller；11, crossbeam；12, oblique
Support；13, dowel steel front end；14, dowel steel end.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the invention are described in detail, but the present invention can be limited by following and
The multitude of different ways covered is implemented.
Fig. 1 is that the high-speed railway wheel track of the preferred embodiment of the present invention hangs down the structural representation of cross force coupling loading simulator
Figure；Fig. 2 is that the high-speed railway wheel track of the preferred embodiment of the present invention hangs down cross force coupling loading simulator along circuit longitudinal direction section
Structural representation；Fig. 3 is that the high-speed railway wheel track of the preferred embodiment of the present invention hangs down the bowing of cross force coupling loading simulator
TV structure schematic diagram；Fig. 4 is that the high-speed railway wheel track of the preferred embodiment of the present invention hangs down the vertical of cross force coupling loading simulator
Body structural representation；Fig. 5 is the perspective view of the rigidity distribution beam of the preferred embodiment of the present invention.
The cross force coupling loading simulator as it is shown in figure 1, the high-speed railway wheel track of the present embodiment hangs down, including reaction frame 1
And it is in the high speed railway track model configuration bottom reaction frame 1, set between reaction frame 1 and high speed railway track model configuration
The vertical force application mechanism of track of the vertical force acting on track structure when having for simulating high ferro train actual motion and for
The horizontal force application mechanism of track of cross force acting on track structure during simulation high ferro train actual motion, track vertically exerts a force machine
Structure and the horizontal force application mechanism of track are by for simulating the bogie simulation mechanism effect of high ferro train bogie to high-speed railway
In orbital simulation structure.High-speed railway wheel track of the present invention hangs down cross force coupling loading simulator, can simulate train real simultaneously
Border acts on vertical force and the cross force of track structure when running, and cross force and vertical force combine the work simulating other directions
Firmly so that result of the test is more fitted reality.Bogie simulation mechanism simulation high-speed train bogie, vertical force and cross force
It is transferred to bogie simulation mechanism, vertical force and the cross force effect to track structure in train actual motion can be simulated.Logical
Cross reaction frame 1 and can freely regulate the setting height(from bottom) of analog, laterally exert a force machine to the vertical force application mechanism of track and track
The dynamic load time-histories that structure input is preset, can load different track structure forms.For high speed railway track-roadbed
Vertical, horizontal dynamic analysis provides reliable weighted platform, provides real for disclosing track structure damage time dependent feature
Test foundation.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, in the present embodiment, bogie simulation mechanism includes that two groups are arranged on high-speed iron
For simulating high ferro train bogie and preventing the rail at high speed railway track model configuration on the track of rail road model configuration
What road rolled 1/2nd take turns 8, vertical and symmetry be fixed in 1/2nd take turns on 8 for uniformly transferring the firm of upper load
Property distribution beam 4 and take turns the cloth set direction to 8 along two group 1/2nd and connect two group 1/2nd and take turns 8 for making two groups two points
One of wheel to 8 fixing in groups and uniformly transfer the wheel of load to longitudinally connected bar 9.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, in the present embodiment, rigidity distribution beam 4 is vertical and symmetrically placed in 1/2nd
Take turns on the wheel of the semicircle to 8, and by being welded and fixed, to prevent rigidity distribution beam 4 displacement in process of the test from transfiniting.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, in the present embodiment, the horizontal force application mechanism of track includes along high speed railway track
On the diagonal brace 12 being laterally fixed in reaction frame 1 of model configuration and for uniformly applying the horizontal stroke of cross force to bogie simulation mechanism
To actuator 2.Laterally actuator 2 is fixed on the diagonal brace 12 of reaction frame 1 by horizontal fixture 5.Laterally actuator 2 is with anti-
The vertical fixture 6 lateralling secure horizontal actuator 2 for transversely actuator 2 it is provided with between the crossbeam 11 of power frame 1.Horizontal
It is connected to 1/2nd to the start head of actuator 2 by pass force crossly bar 7 take turns on to 8.Laterally actuator 2, pass force crossly bar 7
And 1/2nd take turns 8 coaxially arranged.
Shown in as shown in Figure 1, Figure 3 and Figure 4, in the present embodiment, pass force crossly bar 7 includes by a block plate and four steel cylinder
Dowel steel front end 13 that body is welded and the dowel steel end 14 being made up of a steel cylinder.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4 and Fig. 5, in the present embodiment, the vertical force application mechanism of track includes the most affixed
On the crossbeam 11 of reaction frame 1, the most vertical high speed railway track model configuration is for uniformly applying vertical to bogie simulation mechanism
The vertical actuator 3 of power.The start head of vertical actuator 3 is placed in the groove that rigidity distribution beam 4 upper surface is offered.Vertical start
It is provided with between start head and the bottom portion of groove of device 3 for making vertical actuator 3 produce limited movement to adapt to owing to laterally making
The rigid roller 10 loading the impact on vertical actuator 3 position of dynamic device 2.By just bottom the start head of vertical actuator 3
Property roller 10 contacts with rigidity distribution beam 4.
As it is shown in figure 5, in the present embodiment, the groove depth of groove more than start head and the groove of vertical actuator 3 bottom land it
Between spacing, to prevent start head from deviating from groove.
As it is shown in figure 5, in the present embodiment, leave 3cm-5cm between start head and the groove sidewall of groove of vertical actuator 3
Gap, to ensure that vertical actuator 3 is only had bottom and contacted with rigidity distribution beam 4 by rigid roller 10.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4 and Fig. 5, in the present embodiment, rigidity distribution beam 4 bottom up arches upward 1cm-5cm.
The edge that arches upward is provided for preventing its downwarp contact wheel axle and arc mistake of preventing stress from concentrating when vertical actuator 3 loads
Cross.
As it is shown in figure 1, in the present embodiment, the crossbeam 11 of reaction frame 1 is provided with the hanger for lifting reaction frame 1.Counter-force
The column of frame 1 is adjustable for height telescopic column, or crossbeam 11 height adjustable on column of reaction frame 1.
During enforcement, it is provided that a kind of high-speed railway wheel track hangs down cross force coupling loading simulator, including reaction frame 1, laterally
Actuator 2, vertical actuator 3, rigidity distribution beam 4, horizontal fixture 5, vertical fixture 6,7, two points of pass force crossly bar
One of wheel to the rigid roller 10 between 8, longitudinally connected bar 9 and vertical actuator 3 and rigidity distribution beam 4.Reaction frame 1 includes horizontal stroke
Beam 11, diagonal brace 12 etc..Vertical actuator 3 bottom is placed in the groove of rigidity distribution beam 4, arranges rigid roller 10 between the two.
Rigidity distribution beam 4 is vertical and symmetrically placed takes turns on to 8 in one group 1/2nd.Take turns using between 8 vertical for two group 1/2nd
Connect to connecting rod 9.Horizontal fixture 5 is bolted on diagonal brace 12, and vertical fixture 6 is bolted to crossbeam
11, its underpart is welded in horizontal actuator 2, by pass force crossly bar 7, cross force is transferred to 1/2nd and takes turns on 8.Two
/ mono-takes turns 8, equalization is cut into by a complete wheel two and partly take turns right, and by wheel to longitudinally connected bar connect simulation turn
To frame, wheel is respectively welded at two axles center to longitudinally connected bar.Rigidity distribution beam 4 vertical and symmetrically placed in two two/
One takes turns on 8, and prevents rigidity distribution beam 4 displacement in process of the test from transfiniting by being welded and fixed, and rigidity distribution beam 4 top sets
It is equipped with the recessed grain being slightly larger in dimension than vertical actuator 3 bottom start head, it is ensured that when start head is put in groove center, groove inner wall
And leave the gap of 3-5cm between start head, rigid roller 10 is set in groove, it is ensured that bottom vertical actuator 3, pass through rigidity
Roller 10 contacts with rigidity distribution beam 4；Rigidity distribution beam 4 bottom up arches upward 3cm, and the edge that arches upward arranges arc-shaped transition, with
Prevent its downwarp contact wheel axle when vertical actuator 3 loads, and in the edge that arches upward, arc-shaped transition is set to prevent stress
Concentrate.
By regulating the height of crossbeam 11 in process of the test, it is suitable for different railway pavement structures or actuator.Use
Multiple actuator link, can realize in train travelling process different wheel under dynamic load.Rigidity distribution beam 4 arranges chi
The very little groove slightly larger than vertical actuator 3 bottom size, in order to prevent vertical actuator 3 in process of the test vertically and horizontally displacement surpass
Limit.As shown in Figure 1, shown in Figure 5, in the middle part of rigidity distribution beam 4, setting is slightly larger in dimension than the square recessed of vertical actuator 3 bottom size
Groove, it is ensured that when start head is put in groove center, leaves the gap of 3cm-5cm between groove inner wall and start head.Rigidity is distributed
Arch up bottom beam 4 3cm, to prevent its downwarp contact pass force crossly bar 7 when vertical actuator loads；And set in the edge that arches upward
Put arc-shaped transition to prevent stress from concentrating.As shown in Figure 1, shown in Figure 5, bottom rigidity distribution beam 4 when leaving wheel pair cross-section contact surface
Arch 3cm, and arc-shaped transition is set in the edge that arches upward.Laterally the power of actuator 2 by pass force crossly bar 7 be transferred to two/
One takes turns on 8, and then acts on track structure.As shown in figures 1-4, four pass force crosslies are set bottom horizontal actuator 2
Take turns with half after bar 7 and one piece of iron plate are fixing to pass force crossly bar 7 vertical fix.Horizontal fixture 5 is by a diameter of 30mm
Three row's bolts that spacing is 150mm～200mm be fixed on diagonal brace 12.As it is shown in figure 1, horizontal fixture 5 passes through diameter
Three row's bolts for 30mm are fixed on diagonal brace 12.Vertical fixture 6 is 150mm symmetry cloth by the spacing of a diameter of 30mm
The two row's bolts put are fixed on crossbeam 11.As shown in Figure 1 and Figure 4, vertical fixture 6 by the spacing of a diameter of 30mm is
Two row's bolts that 150mm is arranged symmetrically with are fixed on crossbeam 11.Laterally actuator 2 is fixed by vertical fixture 6 and level
Device 5 is fixed jointly.As shown in figures 1-4, horizontal actuator 2 is by being bolted to horizontal fixture 5 He of diagonal brace 12
The vertical fixture 6 being bolted to crossbeam 11 is fixed jointly, and vertical fixture 6 bottom is welded to connect with actuator.
The bottom of vertical actuator 3 arranges rigid roller 10, to adapt to owing to the loading of horizontal actuator 2 is to vertical actuator 3 position
Impact.As in figure 2 it is shown, be provided with rigid roller 10 in the bottom of vertical actuator 3.Put in rigidity distribution beam 4 vertical symmetry
It is placed in 1/2nd and takes turns on 8, and prevent rigidity distribution beam 4 displacement in process of the test from transfiniting by being welded and fixed.Such as Fig. 1,3,4
Shown in, simulation two group 1/2nd of bogie take turns to 8 on be respectively perpendicular a piece of rigidity distribution beam 4 symmetrically placed.By one
Individual complete wheel is cut into two group 1/2nd and takes turns 8 equalization, and connects simulation bogie by longitudinally connected bar 9.Such as Fig. 1～
Shown in 4, rail placed two group 1/2nd and take turns 8, apart for bullet train inflexible wheel base, and by longitudinally connected bar 9
Connect simulation bogie.
Laterally cross force is reached by pass force crossly bar 7 and takes turns right by actuator 2, and wherein pass force crossly bar 7 is divided into two parts,
The dowel steel front end that a portion is a block plate and four steel cylinder are welded, another part is a steel circle
Cylinder dowel steel end.Dowel steel front end is welded by a block plate and four steel cylinder, its adjacent two cylinders
Spacing is 15cm, a diameter of 5cm of four steel cylinder, a length of 2m, and four steel cylinder one end are symmetrically welded in horizontal stroke
To the start head of actuator 2, the other end is symmetrically welded in a block plate, and the size of steel plate is 30cm × 30cm × 4cm.Dowel steel
End is a steel cylinder, its a diameter of 10cm, length to make its one end just with wheel to axle joint, its another
End and steel plate center weld.
High-speed railway wheel track hangs down when cross force coupling loading simulator can simulate train actual motion simultaneously and acts on
The vertical force of track structure and cross force so that result of the test is more fitted reality.The wheel that one complete is cut along axis
Into two, connect two 1/2nd with rod member and take turns 8, and make wheelbase be standard axle away from, to simulate high-speed train bogie, hang down
It is right to be transferred to take turns by distribution beam to power, and it is right that cross force is transferred to take turns by pass force crossly bar 7, thus can simulate train real
Vertical force and the cross force effect to track structure in the operation of border.Vertical actuator 3 bottom is placed in the groove of rigidity distribution beam 4
In, rigid roller is set between the two, it is allowed to vertical actuator 3 produces limited movement to adapt to due to horizontal actuator 2
Load the impact on vertical actuator 3 position.Rigidity distribution beam 4 bottom up arches upward 3cm, and the edge that arches upward arranges arc mistake
Cross, to prevent its downwarp contact wheel axle when vertical actuator 3 loads, and in the edge that arches upward, arc-shaped transition is set to prevent
Stress is concentrated.Can freely regulate setting height(from bottom), the dynamic load time-histories preset to actuator input, thus can be to difference
Track structure form load.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, that is made any repaiies
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (10)
1. high-speed railway wheel track hangs down a cross force coupling loading simulator, including reaction frame (1) and be in described counter-force
The high speed railway track model configuration of frame (1) bottom,
It is characterized in that,
Act on when being provided with for simulating high ferro train actual motion between described reaction frame (1) and high speed railway track model configuration
The vertical force application mechanism of track in the vertical force of track structure and be used for when simulating high ferro train actual motion acting on track
The horizontal force application mechanism of track of the cross force of structure,
The vertical force application mechanism of track and the horizontal force application mechanism of track are by the bogie simulation for simulating high ferro train bogie
Mechanism acts on to high speed railway track model configuration.
High-speed railway wheel track the most according to claim 1 hang down cross force coupling loading simulator, it is characterised in that
Described bogie simulation mechanism includes on two groups of tracks being arranged on high speed railway track model configuration for simulating high ferro
Train bogie also prevents from 1/2nd taking turns (8), vertical and symmetrical what the track of high speed railway track model configuration rolled
It is fixed in described 1/2nd to take turns (8) above for uniformly transferring the described rigidity distribution beam (4) of upper load and along two groups
1/2nd take turns the cloth set direction to (8) connects described in two groups 1/2nd and takes turns (8) are used for making described in two groups 1/2nd take turns
(8) are fixed in groups and uniformly transfers the wheel of load to longitudinally connected bar (9).
High-speed railway wheel track the most according to claim 2 hang down cross force coupling loading simulator, it is characterised in that
Described rigidity distribution beam (4) vertical and symmetrically placed in described 1/2nd take turns the semicircle to (8) wheel on, and by weldering
Connect fixing, to prevent rigidity distribution beam described in process of the test (4) displacement from transfiniting.
High-speed railway wheel track the most according to claim 2 hang down cross force coupling loading simulator, it is characterised in that
The horizontal force application mechanism of described track includes laterally being fixed in described reaction frame (1) along high speed railway track model configuration
Diagonal brace (12) is upper and is used for uniformly applying the described horizontal actuator (2) of cross force to bogie simulation mechanism,
Described horizontal actuator (2) is fixed on the diagonal brace (12) of described reaction frame (1) by horizontal fixture (5),
It is provided with between the crossbeam (11) of described horizontal actuator (2) and described reaction frame (1) for along described horizontal actuator (2)
The vertical fixture (6) lateralling secure described horizontal actuator (2)；
The start head of described horizontal actuator (2) is connected to described 1/2nd by pass force crossly bar (7) and takes turns on (8),
Described horizontal actuator (2), described pass force crossly bar (7) and described 1/2nd are taken turns (8) coaxially arranged.
High-speed railway wheel track the most according to claim 4 hang down cross force coupling loading simulator, it is characterised in that
Described pass force crossly bar (7) include the dowel steel front end (13) that is welded by a block plate and four steel cylinder with
And the dowel steel end (14) being made up of a steel cylinder.
High-speed railway wheel track the most according to claim 4 hang down cross force coupling loading simulator, it is characterised in that
The vertical force application mechanism of described track includes vertically being fixed on the crossbeam (11) of reaction frame (1) and vertical high-speed iron rail
Road model configuration is used for uniformly applying the vertical actuator (3) of vertical force to bogie simulation mechanism,
The start head of described vertical actuator (3) is placed in the groove that described rigidity distribution beam (4) upper surface is offered,
It is provided with between start head and the bottom portion of groove of described vertical actuator (3) for making described vertical actuator (3) have
The movement of limit is to adapt to loading due to described horizontal actuator (2) rigidity on the impact of described vertical actuator (3) position
Roller (10),
Contacted with described rigidity distribution beam (4) by described rigid roller (10) bottom the start head of described vertical actuator (3).
High-speed railway wheel track the most according to claim 6 hang down cross force coupling loading simulator, it is characterised in that
The groove depth of described groove is more than the spacing between start head and the bottom land of groove of described vertical actuator (3), to prevent
Start head is deviate from groove.
High-speed railway wheel track the most according to claim 6 hang down cross force coupling loading simulator, it is characterised in that
The gap of 3cm-5cm is left, to ensure described hanging down between start head and the groove sidewall of groove of described vertical actuator (3)
Only have bottom to actuator (3) to be contacted with described rigidity distribution beam (4) by described rigid roller (10).
High-speed railway wheel track the most according to claim 8 hang down cross force coupling loading simulator, it is characterised in that
Described rigidity distribution beam (4) bottom up arches upward 1cm-5cm, and the edge that arches upward is provided for preventing it at described vertical work
Downwarp contact wheel axle and the arc-shaped transition preventing stress from concentrating when dynamic device (3) loads.
High-speed railway wheel track the most according to any one of claim 1 to 9 hang down cross force coupling loading simulator, its
It is characterised by,
The crossbeam (11) of described reaction frame (1) is provided with the hanger for lifting described reaction frame (1)；
The column of described reaction frame (1) is adjustable for height telescopic column, or the crossbeam (11) of described reaction frame (1) is at column
Upper height adjustable.
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| CN201610933206.9A CN106289848B (en) | 2016-10-31 | 2016-10-31 | The vertical cross force of high-speed railway wheel track couples loading simulator |
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| CN201610933206.9A CN106289848B (en) | 2016-10-31 | 2016-10-31 | The vertical cross force of high-speed railway wheel track couples loading simulator |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107917817A (en) * | 2017-10-25 | 2018-04-17 | 西南交通大学 | Wheel/rail Behavior modeling testing stand |
| CN108444685A (en) * | 2018-03-15 | 2018-08-24 | 中南大学 | A kind of vertical transverse and longitudinal couple of force conjunction loading simulator of high-speed railway wheel track |
| CN109297698A (en) * | 2018-11-23 | 2019-02-01 | 中南大学 | A kind of large scale structure fatigue test loading device |
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| CN108444685B (en) * | 2018-03-15 | 2023-11-28 | 中南大学 | High-speed railway wheel rail vertical and horizontal force coupling loading simulation device |
| CN109297698A (en) * | 2018-11-23 | 2019-02-01 | 中南大学 | A kind of large scale structure fatigue test loading device |
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