CN108801664A - A kind of reduced scale Wheel/rail testing stand - Google Patents
A kind of reduced scale Wheel/rail testing stand Download PDFInfo
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- CN108801664A CN108801664A CN201811013015.6A CN201811013015A CN108801664A CN 108801664 A CN108801664 A CN 108801664A CN 201811013015 A CN201811013015 A CN 201811013015A CN 108801664 A CN108801664 A CN 108801664A
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- scale wheel
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- 238000012360 testing method Methods 0.000 title claims abstract description 49
- 238000004088 simulation Methods 0.000 claims abstract description 81
- 239000000725 suspension Substances 0.000 claims abstract description 67
- 230000003278 mimic effect Effects 0.000 claims abstract description 49
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 230000035939 shock Effects 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 238000010276 construction Methods 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims 1
- 238000011160 research Methods 0.000 abstract description 13
- 230000005540 biological transmission Effects 0.000 description 14
- 238000013461 design Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 238000002474 experimental method Methods 0.000 description 5
- 238000005096 rolling process Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008846 dynamic interplay Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
Classifications
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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
- G01M17/00—Testing of vehicles
- G01M17/08—Railway vehicles
- G01M17/10—Suspensions, axles or wheels
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a kind of reduced scale Wheel/rail testing stands, including reduced scale rail mimic panel, driving motor, orbital position adjustment disk, reduced scale wheel disc, foundation platform, suspension simulation layer, loading layer and cushion cap guide post, bearing rack device, limit anchor rod component；Reduced scale rail mimic panel is installed on by bearing rack device on orbital position adjustment disk；Reduced scale wheel disc is installed on by bearing rack device at the bottom of suspension simulation layer bottom cushion cap；It includes suspension simulation layer bottom cushion cap and spring to hang simulation layer；Loading layer includes that the loading layer lower part load cushion cap, jack loading device, top set gradually from bottom to top fixes counter-force cushion cap；Reduced scale Wheel/rail testing stand provided by the invention, it is simple in structure, it is cheap, EM equipment module degree is high, can change the outfit each module of matching according to different Research Requirements, and the High-speed Wheel/Rail relationship behavior under various working can be simulated in laboratory, provide an ideal platform of convenience for research wheel rail relation.
Description
Technical field
The present invention relates to the ancillary test platform of wheel rail relation research more particularly to a kind of reduced scale Wheel/rail testing stands.
Background technology
With the fast development of China's economy, handed over as the track of representative using high-speed railway, urban track traffic, heavy haul railway
Way system also enters Rapid development stage.
However, wheel track traffic is due to its own structure, the superiority of cost, it has also become China's major part rail traffic at present
The primary structure form of use, traction, braking and the operation of train will lean on the effect that is in rolling contact of wheel track to be achieved.It can be with
It says, wheel track dynamic Contact relationship reflects the dynamic interaction between wheel and rail, is that car track coupling dynamics are ground
Key technical problem in the key problem studied carefully and rail traffic has the safety and reliability of train operation important
Meaning.
With the increasing of the raising and axis weight of speed, higher requirement has been researched and proposed to wheel rail relation.It is single at this stage
It, can not accurate description wheel rail relation this complicated rolling form with theoretical research；However, the practical road performance test expense in scene
Greatly, the duration is long, it is easier to be interfered by from extraneous complex environment factor；But real ruler rolling is established in laboratory
Dynamic platform cost is higher, is limited by lab space also larger, generally requires independent graduation larger space and establishes roller tray, in addition when
When testing complex (such as when the face matching of research wheel rail type), more changing jobs for real ruler roller tray accessory is also extremely onerous；
At the same time, easy Wheel/rail testing stand is established and is designed in the prior art, be still a piece of sky
In vain.
Invention content
Reduced scale Wheel/rail testing stand provided by the invention, to solve above-mentioned technological deficiency.In order to achieve the above object,
The technical proposal of the invention is realized in this way：
The present invention provides a kind of reduced scale Wheel/rail testing stands, including reduced scale rail mimic panel, driving motor, track position
Set adjustment disk, reduced scale wheel disc, foundation platform, suspension simulation layer, loading layer and cushion cap guide post, bearing rack device, limit anchor pole
Component；
Wherein, the reduced scale rail mimic panel is installed on by bearing rack device on orbital position adjustment disk；And it is described
Reduced scale rail mimic panel is connected with driving motor (not shown)；
The reduced scale wheel disc is installed on by bearing rack device at the bottom of suspension simulation layer bottom cushion cap；And the reduced scale
Wheel disc is located at the surface of the reduced scale rail mimic panel, and the reduced scale wheel disc with the reduced scale rail mock disc surface for connecing
After touch, it and is formed with the reduced scale rail mimic panel and rolls cooperation；
The orbital position adjustment disk is directly arranged at the foundation platform center, and the orbital position adjustment disk is opposite
It is rotatably assorted within the scope of certain angle in the foundation platform；The orbital position adjustment disk passes through ball turntable rotary action
For driving reduced scale rail mimic panel that the adjustment in the angle of shock of -6 ° to+6 ° ranges is allowed to act；
Wherein, the suspension simulation layer includes suspension simulation layer bottom cushion cap and spring；
Wherein, the loading layer includes the loading layer lower part load cushion cap set gradually from bottom to top, jack load dress
It sets, counter-force cushion cap is fixed on top；The bottom of the cushion cap guide post is connect with the foundation platform, and the cushion cap guide post
Top sequentially passes through suspension simulation layer bottom cushion cap, loading layer lower part load cushion cap and fixes counter-force with the top from bottom to top
Cushion cap connects；Reaction frame supporting role from the top is fixed when counter-force cushion cap is used to load；And the spring is arranged described
It hangs between simulation layer bottom cushion cap and the loading layer lower part load cushion cap；
The limit anchor rod component includes three nuts for limiting anchor pole and screw-thread fit on limit anchor pole；The limit
Anchor pole sequentially passes through suspension simulation layer bottom cushion cap, loading layer lower part load cushion cap, top fixation counter-force cushion cap from bottom to top；And
One of nut is arranged in the bottom of suspension simulation layer bottom cushion cap, other two nut respectively hold by top fixation counter-force
The top of platform, two bottom sides.
It preferably, can embodiment as one kind；The spring is specially steel construction spring.
It preferably, can embodiment as one kind；The cushion cap guide post is four, and four cushion cap guide posts pair
Claim to be distributed and across the surrounding edge of suspension simulation layer bottom cushion cap, loading layer lower part load cushion cap surrounding edge, on
The surrounding edge of counter-force cushion cap is fixed in portion.
It preferably, can embodiment as one kind；The limit anchor pole is four, and four limit anchor poles symmetrically divide
Cloth simultaneously fixes counter-force cushion cap across the both sides of suspension simulation layer bottom cushion cap, the both sides of loading layer lower part load cushion cap, top
Both sides.
It preferably, can embodiment as one kind；The loading layer lower part load cushion cap, the suspension simulation layer bottom are held
Platform slidably coordinates with the cushion cap guide post.
It preferably, can embodiment as one kind；It is provided with limiting groove at the top of the cushion cap of the suspension simulation layer bottom
Structure, and the bottom of the loading layer lower part load cushion cap is also equipped with limiting groove structure；It holds the suspension simulation layer bottom
The limiting groove locations of structures phase of the limiting groove structure of the top position of platform and the bottom of the loading layer lower part load cushion cap
It is corresponding, and for accommodating the spring.
It preferably, can embodiment as one kind；The reduced scale Wheel/rail testing stand further includes counter weight device；It is described to match
Refitting, which is set, to be fixedly connected on the surface of the foundation platform.
It preferably, can embodiment as one kind；The reduced scale wheel disc, the reduced scale rail mimic panel are all in accordance with practical type
Face size is according to 1：4 ratio scaled down.
It preferably, can embodiment as one kind；The diameter dimension of the reduced scale wheel disc and the reduced scale rail mimic panel
Than being 1：2.5.
It preferably, can embodiment as one kind；The suspension simulation layer bottom cushion cap and the lower part load cushion cap it
Between the cushion cap guide post on socket be provided with friction pad；The friction pad is silastic-layer.
Compared with prior art, this have the advantage that：
A kind of reduced scale Wheel/rail testing stand provided by the invention, the main construction for analyzing the said goods are understood：The reduced scale
Wheel/rail testing stand is mainly held by reduced scale rail mimic panel, driving motor, orbital position adjustment disk, reduced scale wheel disc, basis
The structures such as platform, suspension simulation layer, loading layer and cushion cap guide post, bearing rack device, limit anchor rod component are constituted；
Wherein, the reduced scale rail mimic panel is installed on by bearing rack device on orbital position adjustment disk；And it is described
Reduced scale rail mimic panel is connected with driving motor (not shown)；
The reduced scale wheel disc is installed on by bearing rack device at the bottom of suspension simulation layer bottom cushion cap；And the reduced scale
Wheel disc is located at the surface of the reduced scale rail mimic panel, and the reduced scale wheel disc with the reduced scale rail mock disc surface for connecing
After touch, it and is formed with the reduced scale rail mimic panel and rolls cooperation；
The orbital position adjustment disk is directly arranged at the foundation platform center, and the orbital position adjustment disk is opposite
It is rotatably assorted within the scope of certain angle in the foundation platform；The orbital position adjustment disk passes through ball turntable rotary action
For driving reduced scale rail mimic panel that the adjustment in the angle of shock of -6 ° to+6 ° ranges is allowed to act；
Wherein, the suspension simulation layer includes suspension simulation layer bottom cushion cap and spring；
Wherein, the loading layer includes the loading layer lower part load cushion cap set gradually from bottom to top, jack load dress
It sets, counter-force cushion cap is fixed on top；The bottom of the cushion cap guide post is connect with the foundation platform, and the cushion cap guide post
Top sequentially passes through suspension simulation layer bottom cushion cap, loading layer lower part load cushion cap and fixes counter-force with the top from bottom to top
Cushion cap connects；Reaction frame supporting role from the top is fixed when counter-force cushion cap is used to load；And the spring is arranged described
It hangs between simulation layer bottom cushion cap and the loading layer lower part load cushion cap；
The limit anchor rod component includes three nuts for limiting anchor pole and screw-thread fit on limit anchor pole；The limit
Anchor pole sequentially passes through suspension simulation layer bottom cushion cap, loading layer lower part load cushion cap, top fixation counter-force cushion cap from bottom to top；And
One of nut is arranged in the bottom of suspension simulation layer bottom cushion cap, other two nut respectively hold by top fixation counter-force
The top of platform, two bottom sides.
In concrete structure；Top is fixed counter-force cushion cap and is fixed with cushion cap guide post, and top is fixed counter-force cushion cap and loaded
When from reaction frame supporting role；Loading layer lower part load cushion cap with suspension simulation layer be connected, play fixed spring, power transmission work
With；Simulation layer is hung between loading layer and reduced scale wheel disc, each pair spring of left and right coordinates load cushion cap to carry out power transmission；It is above-mentioned
Cushion cap guide post runs through each layer, plays the role of supporting overall structure, limitation power transmission direction.
In the specific use process：When experiment, reduced scale rail mimic panel and the contracting in corresponding type face are replaced according to Research Requirements
Foot wheel disk；After adjusting the rail angle of shock using orbital position adjustment disk, the limit tightening nut of limit anchor pole bottom is turned so that
Reduced scale wheel disc contacts naturally with reduced scale rail mimic panel；After applying specified pressure by jack loading device, pass through motor control
Device processed starts motor and reduced scale rail simulation disc spins is driven to start to test.Other sensings can be coordinated in experiment according to specific requirement
Device (such as accelerometer) carries out relevant factor measurement.
In conclusion reduced scale Wheel/rail testing stand provided in an embodiment of the present invention, the degree of modularity is high, can be according to grinding
Study carefully demand and replace reduced scale wheel disc and reduced scale rail mimic panel, different pressures (axis can be studied by adjusting driving, loading device
Again), the wheel-rail contact relationship and friction wear situation under the influence of the variables such as speed, the matching of type face, wheel track relative position.
Reduced scale Wheel/rail testing stand provided in an embodiment of the present invention, structure novel, reasonable design, by simply without
Ordinary architecture design completes the simulation test of rolling rig, and significant help is provided to the research of wheel rail relation.
Description of the drawings
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, in being described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, other drawings may also be obtained based on these drawings.
Fig. 1 is the dimensional structure diagram of reduced scale Wheel/rail testing stand provided in an embodiment of the present invention；
Fig. 2 is suspension simulation layer bottom cushion cap and spring in reduced scale Wheel/rail testing stand provided in an embodiment of the present invention
And the assembly structure figure between limiting groove structure；
Fig. 3 is suspension simulation layer bottom cushion cap in reduced scale Wheel/rail testing stand provided in an embodiment of the present invention, load
The three-dimensional assembly structure figure between counter-force cushion cap and anchor pole limit assembly is fixed on layer lower part load cushion cap, top；
Fig. 4 is suspension simulation layer bottom cushion cap in reduced scale Wheel/rail testing stand provided in an embodiment of the present invention, load
The main view assembly structure figure between counter-force cushion cap and anchor pole limit assembly is fixed on layer lower part load cushion cap, top.
Label：Reduced scale rail mimic panel 1；Orbital position adjustment disk 2；Reduced scale wheel disc 3；Foundation platform 4；Hang simulation layer bottom
Portion's cushion cap 5；Spring 6；Loading layer lower part load cushion cap 7；Jack loading device 8；Counter-force cushion cap 9 is fixed on top；Cushion cap is oriented to
Column 10；Bearing rack device 11；Limiting groove structure 12；Limit anchor pole 13；Nut 14；Hang simulation layer A；Loading layer B；Deadline anchor
Bar assembly C.
Specific implementation mode
Technical scheme of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
The every other embodiment that personnel are obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the word of the orientation or positional relationship of certain instructions, be only for
Convenient for the description present invention and simplify description, specific side must be had by not indicating or implying the indicated device or element
Position, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In the description of the present invention, it should be noted that " connection " shall be understood in a broad sense, for example, it may be fixedly connected,
It may be a detachable connection, or be integrally connected；It can be mechanical connection, can also be electrical connection；It can be directly connected,
Can also can be indirectly connected through an intermediary the connection inside two elements.For those of ordinary skill in the art
For, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
The present invention is described in further detail below through specific implementation examples and in conjunction with the accompanying drawings.
Referring to Fig. 1, a kind of reduced scale Wheel/rail testing stand provided in an embodiment of the present invention, including reduced scale rail mimic panel 1,
Driving motor, orbital position adjustment disk 2, reduced scale wheel disc 3, foundation platform 4, suspension simulation layer A, loading layer B and cushion cap guide post
10, bearing rack device 11, limit anchor rod component C (partial structurtes can be found in Fig. 2, Fig. 3, Fig. 4)；
Wherein, the reduced scale rail mimic panel 1 is installed on by bearing rack device 11 on orbital position adjustment disk 2；And
The reduced scale rail mimic panel 1 is connected with driving motor (not shown)；
The reduced scale wheel disc 3 is installed on by bearing rack device 11 at the bottom of suspension simulation layer bottom cushion cap 5；And it is described
Reduced scale wheel disc 3 is located at the surface of the reduced scale rail mimic panel 1, and the reduced scale wheel disc 3 is used to simulate with the reduced scale rail
After the contact of 1 surface of disk, and is formed with the reduced scale rail mimic panel 1 and roll cooperation；
The orbital position adjustment disk 2 is directly arranged at 4 center of the foundation platform, and the orbital position adjustment disk 2
It is rotatably assorted within the scope of certain angle relative to the foundation platform 4；The orbital position adjustment disk 2 is turned by ball turntable
Action is with for driving reduced scale rail mimic panel 1 that the adjustment in the angle of shock of -6 ° to+6 ° ranges is allowed to act；
Wherein, the suspension simulation layer A includes suspension simulation layer bottom cushion cap 5 and spring 6；
Wherein, the loading layer B includes the loading layer lower part load cushion cap 7 set gradually from bottom to top, jack load
Counter-force cushion cap 9 is fixed on device 8, top；The jack loading device 8 is arranged in the loading layer lower part load cushion cap 7 and institute
Top is stated to fix between counter-force cushion cap 9；The bottom of the cushion cap guide post 10 is connect with the foundation platform 4, and the cushion cap
The top of guide post 10 sequentially pass through from bottom to top suspension simulation layer bottom cushion cap 5, loading layer lower part load cushion cap 7 and with it is described
Top is fixed counter-force cushion cap 9 and is connected；Reaction frame supporting role from the top is fixed when counter-force cushion cap 9 is used to load；And it is described
Spring 6 is arranged between suspension simulation layer bottom cushion cap 5 and the loading layer lower part load cushion cap 7；
The limit anchor rod component C includes three nuts 14 for limiting anchor pole 13 and screw-thread fit on limit anchor pole；Institute
It states limit anchor pole and sequentially passes through suspension simulation layer bottom cushion cap 5, loading layer lower part load cushion cap 7, top fixation from bottom to top instead
Power cushion cap 9；And one of nut is arranged in the bottom of suspension simulation layer bottom cushion cap 5, other two nut respectively on
The top of counter-force cushion cap 9, two bottom sides are fixed by portion.
As shown in Figure 1, above-mentioned reduced scale rail mimic panel is connected with driving motor (not shown)；Orbital position adjustment disk
It is directly mounted at 4 center of foundation platform, the impact of reduced scale rail mimic panel -6 ° to+6 ° ranges of progress is allowed by ball turntable
Angle adjusts.Reduced scale wheel disc 3 is located at the surface of reduced scale rail mimic panel, is fixed on suspension simulation layer bottom cushion cap 5；Loading layer by
Loading layer lower part load cushion cap 7, jack loading device 8, top are fixed counter-force cushion cap 9 and are formed, and it is logical that counter-force cushion cap is fixed on top
Cross the fixation of cushion cap guide post 10, when load from reaction frame supporting role；Loading layer lower part load cushion cap is connected with suspension simulation layer,
Play the role of fixed spring, power transmission；Simulation layer is hung between loading layer and reduced scale wheel disc, each pair spring 6 of left and right is matched
It closes load cushion cap and carries out power transmission；Cushion cap guide post 10 runs through each layer, plays the role of supporting overall structure, limitation power transmission direction.
Known to the main construction for analyzing the said goods：The reduced scale Wheel/rail testing stand, mainly by reduced scale rail mimic panel
1, driving motor, orbital position adjustment disk 2, reduced scale wheel disc 3, foundation platform 4, suspension simulation layer A, loading layer B, limit anchor pole group
The structures such as part C and cushion cap guide post 10, bearing rack device 11 are constituted；
In concrete structure；Top is fixed counter-force cushion cap 9 and is fixed by cushion cap guide post 10, when load from reaction frame support
Effect；The loading layer lower part load cushion cap 7 is connected with suspension simulation layer A, plays the role of fixed spring, power transmission；It is described outstanding
Simulation layer A is hung between loading layer B and reduced scale wheel disc 3, each pair spring 6 of left and right coordinates load cushion cap to carry out power transmission；It is described
Cushion cap guide post 10 runs through each layer, plays the role of supporting overall structure, limitation power transmission direction；The setting of the foundation platform 4 one
It is fixed on ground after determining counterweight, ensures that overall structure is stablized.
In the specific use process：When experiment, reduced scale rail mimic panel 1 and the contracting in corresponding type face are replaced according to Research Requirements
Foot wheel disk 3；After adjusting the rail angle of shock using orbital position adjustment disk 2, the limit tightening nut of 13 bottom of limit anchor pole is turned,
So that reduced scale wheel disc contacts naturally with reduced scale rail mimic panel；After applying specified pressure by jack loading device 8, pass through electricity
Machine control device starts motor and reduced scale rail simulation disc spins is driven to start to test.It can coordinate other according to specific requirement in experiment
Sensor (such as accelerometer) carries out relevant factor measurement.
In conclusion reduced scale Wheel/rail testing stand provided in an embodiment of the present invention, structure novel, reasonable design are led to
Simple and uncommon architecture design is crossed, the simulation test of rolling rig is completed, the research of wheel rail relation is provided aobvious
The help of work.
It is further to note that；Attack angle between wheel and rail φ (i.e. wheel-rail impact angle) refers to train when being run on straight path
It takes turns the angle to direction of advance and track centerline tangent line or runs hour wheel on curve circuit to axis and orbital curve radial direction
The angle in direction.
Below to the specific configuration and particular technique effect of reduced scale Wheel/rail testing stand provided in an embodiment of the present invention
It does and is described in detail：
It preferably, can embodiment as one kind；The spring 6 is specially steel construction spring.
It should be noted that in the specific technical solution of the embodiment of the present invention, as shown in Figure 1, above-mentioned spring 6 can select
Select the compression spring of multiple structural forms, but technical solution the most most preferred, it is preferable to use steel construction spring, resistance to compressions
The anti-density of load is high, and it is strong to restore deformability, is used in particularly suitable reduced scale Wheel/rail testing stand.
It preferably, can embodiment as one kind；The cushion cap guide post 10 is four, and four cushion cap guide posts
10 surrounding corners that are symmetrical and passing through the surrounding edge of suspension simulation layer bottom cushion cap 5, loading layer lower part load cushion cap 7
The surrounding edge of counter-force cushion cap 9 is fixed at place, top.
It should be noted that in the specific technical solution of the embodiment of the present invention, as shown in Figure 1, above-mentioned cushion cap guide post
10 be four, and four cushion cap guide posts 10 are symmetrical and pass through the surrounding edge of three layers of cushion cap, can protect in this way
Demonstrate,prove stable power transmission and sliding effect.
It preferably, can embodiment as one kind；The loading layer lower part load cushion cap 7, the suspension simulation layer bottom
Cushion cap 5 slidably coordinates with the cushion cap guide post 10.The limit anchor pole 13 is four, and four limit anchor poles 13
It is symmetrical and anti-across the both sides of suspension simulation layer bottom cushion cap 5, the both sides of loading layer lower part load cushion cap 7, top fixation
The both sides of power cushion cap 9.
It should be noted that in the specific technical solution of the embodiment of the present invention, as shown in Figure 3 and Figure 4, loading layer lower part
Between load cushion cap 7 and suspension simulation layer bottom cushion cap 5 and cushion cap guide post 10 slidably.Meanwhile to ensure that reduced scale wheel disc 3 only exists
It is contacted when necessary with reduced scale rail mimic panel 1, vertical limit is carried out to cushion cap after limit anchor pole 13 need to be coordinated.Four symmetrical
Limit anchor pole 13 pass through three layers of cushion cap, upper nut to be fixed on top and fix 9 top of counter-force cushion cap；It holds suspension simulation layer bottom
Tightening nut is arranged in about 5 both sides of platform.
Above-mentioned three layers of cushion cap carries out vertical limit by four limit anchor poles, limits setting nut on anchor pole and implements to adjust,
It can guarantee that reduced scale wheel disc only contacts if necessary with reduced scale rail mimic panel.
It preferably, can embodiment as one kind；The top of suspension simulation layer bottom cushion cap 5 is provided with limiting groove
Structure 12, and the bottom of the loading layer lower part load cushion cap 7 is also equipped with limiting groove structure 12；The suspension simulation layer bottom
The limiting groove knot of the limiting groove structure 12 of the top position of portion's cushion cap 5 and the bottom of the loading layer lower part load cushion cap 7
12 position of structure is corresponding, and for accommodating the spring 6.
It should be noted that in the specific technical solution of the embodiment of the present invention, as shown in Fig. 2, suspension simulation layer bottom
Cushion cap 5 and 7 (not shown) of loading layer lower part load cushion cap, which correspond to spring position, need to coordinate limiting groove knot shown in figure
Structure 12 uses, to prevent spring from buckling occur.Steel spring installed position it is mating installation correspondingly-sized limiting groove structure,
Steel spring and uniform power transmission in limiting groove structure may be implemented.
It preferably, can embodiment as one kind；The reduced scale Wheel/rail testing stand further includes counter weight device；It is described to match
Refitting, which is set, to be fixedly connected on the surface of the foundation platform 4.
It should be noted that in the specific technical solution of the embodiment of the present invention, certain counterweight is arranged in above-mentioned foundation platform 4
After be fixed on ground (installing counter weight device additional), can ensure in this way reduced scale Wheel/rail testing stand overall structure stablize, from
And guarantee test is smoothed out.
It preferably, can embodiment as one kind；The reduced scale wheel disc 3, the reduced scale rail mimic panel 1 are according to practical type
Face is according to 1：4 ratio scaled down.
It should be noted that in the specific technical solution of the embodiment of the present invention；The reduced scale wheel disc 3 (i.e. simulating wheel)
Cooperate with the reduced scale rail mimic panel 1 (simulating rail), above-mentioned reduced scale wheel disc 3 actually with suspension simulation layer bottom
It is to be detachably connected between cushion cap, which makes it possible to freely replace different wheel rail types according to Research Requirements
Face component.
It preferably, can embodiment as one kind；The reduced scale wheel disc is 1 with reduced scale rail simulation disk diameter ratio：2.5.
Above-mentioned reduced scale rail mimic panel can allow a certain range of angle of shock to adjust by orbital position adjustment disk；
It preferably, can embodiment as one kind；The driving motor includes electric motor and controller system, it can be achieved that maximum
The ideal reduced scale speed of service of 120km/h, speed are adjustable.
It should be noted that in the inventive solutions, implementing to drive using reduced scale wheel disc, and load by wheel
Pressure；In specific connection structure, the motor shaft of above-mentioned driving motor is fixed with reduced scale rail mimic panel wheel shaft by shaft coupling
Connection, realization directly drive, and can save testing stand space and cost in this way.
It is loaded in jack with lower part load cushion cap it is further to note that counter-force cushion cap is fixed on the top of loading layer B
Position thickeies section and carries out rigidity reinforcement.Meanwhile the reinforcing of jack attachment means 8 is controllable, highest can load 2 tons of reason
Think reduced scale load.
It preferably, can embodiment as one kind；It is held with the lower part load positioned at the suspension simulation layer bottom cushion cap
Socket is provided with friction pad in the cushion cap guide post between platform；The friction pad is silastic-layer.
It should be noted that in the specific technical solution of the embodiment of the present invention；It is held positioned at the suspension simulation layer bottom
Socket is provided with friction pad in the cushion cap guide post between platform and the lower part load cushion cap, can be with using above-mentioned friction pad
Realize reduced cushion cap guide post abrasion and cushioning effect.
At least there is the technical advantage of following aspect in reduced scale Wheel/rail testing stand provided by the invention：
One, reduced scale Wheel/rail testing stand provided by the invention, by reduced scale rail mimic panel, driving motor, track position
Set adjustment disk, reduced scale wheel disc, foundation platform, suspension simulation layer, loading layer and cushion cap guide post, bearing rack device, limit anchor pole
The structures such as component are constituted；In concrete structure；Top is fixed counter-force cushion cap and is fixed with cushion cap guide post, and counter-force cushion cap is fixed on top
Reaction frame supporting role from load；Loading layer lower part load cushion cap is connected with suspension simulation layer, plays fixed spring, power transmission
Effect；Simulation layer is hung between loading layer and reduced scale wheel disc, each pair spring of left and right coordinates load cushion cap to carry out power transmission；
Above-mentioned cushion cap guide post runs through each layer, plays the role of supporting overall structure, limitation power transmission direction.It will be apparent that above-mentioned reduced scale steel
Rail mimic panel, orbital position adjustment disk, reduced scale wheel disc, foundation platform, suspension simulation layer, loading layer and cushion cap guide post, bearing
Rack device, the limit concrete structures such as anchor rod component are all original designs, and connection relation between above-mentioned concrete structure and
Position relationship has rational layout designs；Therefore reduced scale Wheel/rail testing stand provided in an embodiment of the present invention, technology structure
It makes more rationally, and function is more perfect.Reduced scale Wheel/rail testing stand provided by the invention can be replaced according to Research Requirements and be contracted
Foot wheel disk and reduced scale rail mimic panel, can be by adjusting driving, loading device, research different pressures (axis weight), speed, type face
Match, the wheel-rail contact relationship under the influence of the variables such as wheel track relative position and friction wear situation.
Two, reduced scale Wheel/rail testing stand provided by the invention can be used in laboratory in the case of the limited space of place
Carry out wheel rail relation experimental study.
Three, reduced scale Wheel/rail testing stand provided by the invention, simple in structure, stress is clear, cheap, for research
Wheel rail relation provides an ideal platform of convenience.
Based on above all various technical advantages, therefore say reduced scale Wheel/rail experiment provided in an embodiment of the present invention
Platform will bring good market prospects and economic benefit.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, it will be understood by those of ordinary skill in the art that：Its according to
So can with technical scheme described in the above embodiments is modified, either to which part or all technical features into
Row equivalent replacement；And these modifications or replacements, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of reduced scale Wheel/rail testing stand, which is characterized in that including reduced scale rail mimic panel, driving motor, orbital position
Adjustment disk, reduced scale wheel disc, foundation platform, suspension simulation layer, loading layer and cushion cap guide post, bearing rack device, limit anchor pole group
Part；
Wherein, the reduced scale rail mimic panel is installed on by bearing rack device on orbital position adjustment disk；And the reduced scale
Rail mimic panel is connected with driving motor；
The reduced scale wheel disc is installed on by bearing rack device at the bottom of suspension simulation layer bottom cushion cap；And the reduced scale wheel disc
Positioned at the surface of the reduced scale rail mimic panel, the reduced scale wheel disc with the reduced scale rail mock disc surface for contacting
Afterwards, it and is formed with the reduced scale rail mimic panel and rolls cooperation；
The orbital position adjustment disk is directly arranged at the foundation platform center, and the orbital position adjustment disk is relative to institute
Foundation platform is stated to be rotatably assorted within the scope of certain angle；The orbital position adjustment disk is used for by ball turntable rotary action
Drive reduced scale rail mimic panel that the adjustment in the angle of shock of -6 ° to+6 ° ranges is allowed to act；
Wherein, the suspension simulation layer includes suspension simulation layer bottom cushion cap and spring；
Wherein, the loading layer include the loading layer lower part load cushion cap set gradually from bottom to top, jack loading device, on
Counter-force cushion cap is fixed in portion；The bottom of the cushion cap guide post is connect with the foundation platform, and the top of the cushion cap guide post
Suspension simulation layer bottom cushion cap, loading layer lower part load cushion cap are sequentially passed through from bottom to top and fix counter-force cushion cap with the top
Connection；Reaction frame supporting role from the top is fixed when counter-force cushion cap is used to load；And the spring is arranged in the suspension
Between simulation layer bottom cushion cap and the loading layer lower part load cushion cap；
The limit anchor rod component includes three nuts for limiting anchor pole and screw-thread fit on limit anchor pole；The limit anchor pole
Suspension simulation layer bottom cushion cap, loading layer lower part load cushion cap, top fixation counter-force cushion cap are sequentially passed through from bottom to top；And wherein
One nut is arranged in the bottom of suspension simulation layer bottom cushion cap, other two nut distinguishes top and fixes counter-force cushion cap
Top, two bottom sides.
2. reduced scale Wheel/rail testing stand as described in claim 1, which is characterized in that
The spring is specially steel construction spring.
3. reduced scale Wheel/rail testing stand as described in claim 1, which is characterized in that
The cushion cap guide post is four, and four cushion cap guide posts are symmetrical and pass through suspension simulation layer bottom cushion cap
Surrounding edge, the surrounding edge of loading layer lower part load cushion cap, top fix the surrounding edge of counter-force cushion cap.
4. reduced scale Wheel/rail testing stand as described in claim 1, which is characterized in that
The limit anchor pole is four, and four limit anchor poles are symmetrical and pass through the two of suspension simulation layer bottom cushion cap
Side, the both sides of loading layer lower part load cushion cap, top fix counter-force cushion cap both sides.
5. reduced scale Wheel/rail testing stand as described in claim 1, which is characterized in that
The loading layer lower part load cushion cap, suspension simulation layer bottom cushion cap are slidably matched with the cushion cap guide post
It closes.
6. reduced scale Wheel/rail testing stand as described in claim 1, which is characterized in that
It is provided with limiting groove structure at the top of the cushion cap of the suspension simulation layer bottom, and the loading layer lower part load cushion cap
Bottom is also equipped with limiting groove structure；The limiting groove structure of the top position of suspension simulation layer bottom cushion cap with it is described
The limiting groove locations of structures of the bottom of loading layer lower part load cushion cap is corresponding, and for accommodating the spring.
7. reduced scale Wheel/rail testing stand as described in claim 1, which is characterized in that
The reduced scale Wheel/rail testing stand further includes counter weight device；The counter weight device is fixedly connected on the foundation platform
On surface.
8. reduced scale Wheel/rail testing stand as described in claim 1, which is characterized in that
The reduced scale wheel disc, the reduced scale rail mimic panel are all in accordance with practical molding surface size according to 1：4 ratio scaled down.
9. reduced scale Wheel/rail testing stand as described in claim 1, which is characterized in that
The diameter dimension ratio of the reduced scale wheel disc and the reduced scale rail mimic panel is 1：2.5.
10. reduced scale Wheel/rail testing stand as described in claim 1, which is characterized in that
It is socketed and is provided in the cushion cap guide post between the suspension simulation layer bottom cushion cap and the lower part load cushion cap
Friction pad；The friction pad is silastic-layer.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811013015.6A CN108801664B (en) | 2018-08-31 | 2018-08-31 | Reduced scale wheel rail rolling test stand |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811013015.6A CN108801664B (en) | 2018-08-31 | 2018-08-31 | Reduced scale wheel rail rolling test stand |
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| CN108801664A true CN108801664A (en) | 2018-11-13 |
| CN108801664B CN108801664B (en) | 2023-12-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811013015.6A Active CN108801664B (en) | 2018-08-31 | 2018-08-31 | Reduced scale wheel rail rolling test stand |
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| CN110284383A (en) * | 2019-07-18 | 2019-09-27 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | The simulation test device of railway rail system |
| CN112393930A (en) * | 2020-12-11 | 2021-02-23 | 北京交通大学 | Test device and method for realizing rolling operation of wheels of high-speed train in short distance |
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| CN108801664B (en) | 2023-12-26 |
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