CN208109424U - A kind of railway track and wheel hub high-frequency percussion loading simulator - Google Patents
A kind of railway track and wheel hub high-frequency percussion loading simulator Download PDFInfo
- Publication number
- CN208109424U CN208109424U CN201820521023.0U CN201820521023U CN208109424U CN 208109424 U CN208109424 U CN 208109424U CN 201820521023 U CN201820521023 U CN 201820521023U CN 208109424 U CN208109424 U CN 208109424U
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- wheel
- main frame
- track
- wheel hub
- frequency percussion
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Abstract
The utility model discloses a kind of railway track and wheel hub high-frequency percussion loading simulators, including wheel-rail impact loading simulator, railway track structure, wheel shaft fixed frame, hydraulic lifting system and Level tune control system, device leveling is carried out using Level tune control system, axle system is risen into certain altitude using hydraulic system, closing brake system makes its free-falling to railroad track, carries out wheel-rail impact simulation.It can simulate in train actual moving process, the high-frequency percussion effect of track structure is acted on due to caused by train wheel flat or track irregularity, reliable weighted platform is provided by train vertical impact for railroad track, provides experimental basis to disclose and optimizing track structure damage and space oscillations propagation characteristic.
Description
Technical field
The utility model relates to the railways modelling technique such as high speed, heavy duty, urban rail fields to be particularly related to a kind of iron
Road wheel track high-frequency percussion loading simulator.
Background technique
China human mortality, industry, resource distribution are extremely uneven, and transportation is《Long-term scientific and technological development in country
Planning outline》The major fields for supporting development, wherein " Rail Transit System " has been classified as and has first developed theme.To the year two thousand twenty, in
State's mileage of railways is up to 100,000 kilometers, and main busy trunk lines realize visitor, the operation of freight train separated time, complex line rate and electrification
Rate reaches 50%.Meanwhile the urban track traffic with punctuality, speed up to property, comfortableness and security has been included in state of China
People's economic development outline, and as the Major Strategic for pulling national economy, particularly big city economic development.
Therefore, rail transit train is run in wheel flat or track irregularity and causes grinding for high-frequency percussion
It is very necessary for studying carefully.
Utility model content
The purpose of this utility model is to provide a kind of railway track and wheel hub high-frequency percussion loading simulators.
The purpose of this utility model is achieved through the following channels：A kind of railway track and wheel hub high-frequency percussion loading simulation dress
It sets, the railroad track model configuration including main frame and in the main frame bottom, the main frame and railroad track mould
The wheel track high-frequency percussion loading simulation dress that track structure is acted on for simulating train in actual motion is equipped between quasi- structure
It sets, railway track and wheel hub high-frequency percussion loading simulator is acted on by the simulation mechanism for simulating train wheel to railroad track mould
In quasi- structure；
The railway track and wheel hub high-frequency percussion loading simulator includes one group and is mounted in the middle part of main frame for simulating column
The axle system of vehicle operation, is mounted on the wheel shaft jacking system of main frame both upper ends thereof, is mounted among main frame top and is located at
Brake system right above axle system is mounted on the level adjustment system of four angle points in main frame bottom, is mounted on main frame
Sliding wheel in base cross members, the hydraulic control system for being mounted on the console of main frame side and being mounted on above console
System.
The axle system passes through wheel shaft liter by a pair of of railway train wheel to forming as a further optimization of the solution,
Drop system controls adjustable height, and assists being fixed with brake system.
The wheel shaft jacking system includes two liquid positioned at main frame both upper ends thereof as a further optimization of the solution,
Jack is pressed, the intermediate I-shaped gooseneck for jacking hydraulic jack top/bottom part and main frame top is fixed, and hydraulic jack top is jacked
Portion is in contact with top I-shaped gooseneck, each one root post casing of right angle setting in I-shaped gooseneck both ends bottom, upright post sleeve tube bottom
Portion is connect by attachment fastener with axle system.
The brake system is that a round tooth is respectively arranged at a cylindrical shaft both ends as a further optimization of the solution,
Wheel, circular gear are engaged with the gear slideway that column inside pipe casing is arranged；The disk that the middle section of cylindrical shaft is equipped with, disk two sides
Connecting rod on be respectively set a brake drum piece, connecting rod passes through power hydraulic pressure brake instrument control action through pull rod.
The level adjustment system is that there are four hydraulic thousand in the installation of main frame bottom as a further optimization of the solution,
Jin top, hydraulic jack are controlled by hydraulic control system.
It as a further optimization of the solution, include power switch, wheel shaft jacking system switch, water outside the console
Heibei provincial opera section system switching, wheel shaft free-falling button, wheel shaft adjustable height are displaced display instrument, and console operates the iron for controlling
Road wheel track high-frequency percussion loading simulator；It is made of inside console control circuit, control circuit is that button is suitable by electric wire
Sequence connects fuse, circuit breaker, contactor and control button, and wherein contactor passes through the hydraulic control of electric wire and console top
System is connected.
Control circuit elder generation and servo valve collection of the hydraulic control system by console as a further optimization of the solution,
It is blocking to be connected, it is then sequentially connected proportional servo valve, proportional servo valve is separately connected overflow valve and pressure gauge, then connects simultaneously
It connects in superposing type strainer valve, then connects high-pressure plunger pump again, then each hydraulic jack is connected by oil pipe.
Main frame bottom is equipped with sliding wheel as a further optimization of the solution,.
The utility model has the advantages that：The utility model is a kind of railway track and wheel hub high-frequency percussion loading simulation dress
It sets, all kinds of rail transit trains can be simulated in actual moving process, since train wheel flat or track irregularity cause
The high-frequency percussion effect for acting on various track structures.Since the device can fine-tune laboratory apparatus position, wheel
The systems item controlleds such as axis height of drop, main frame level are suitable for the wheel track vertical impact load of different railroad tracks, can be full
Foot difference track high-frequency percussion dynamic test.Structurally reasonable, simple to operate, the previous doffing loading device of change manipulates precision
Low disadvantage, realizes that the easy to use of the device, degree of regulation are high, the characteristics of having a wide range of application.For respective railroad track by
Train vertical impact provides reliable weighted platform, to disclose and optimizing various track structure damages and space oscillations propagation characteristic
Experimental basis is provided.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide a further understanding of the present invention, the utility model
Illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model.
In the accompanying drawings：
Fig. 1 is the general structure schematic diagram of the railway track and wheel hub high-frequency percussion loading simulator of the utility model；
Fig. 2 is the structural schematic diagram of the railway track and wheel hub high-frequency percussion loading simulator along route transverse direction of the utility model；
Fig. 3 is the structural schematic diagram of the railway track and wheel hub high-frequency percussion loading simulator along route longitudinal direction of the utility model；
Fig. 4 is the overlooking structure diagram of the railway track and wheel hub high-frequency percussion loading simulator of the utility model；
Fig. 5 is the console schematic diagram of the railway track and wheel hub high-frequency percussion loading simulator of the utility model；
Fig. 6 is the console schematic diagram of internal structure of the railway track and wheel hub high-frequency percussion loading simulator of the utility model
Fig. 7 is the console internal control circuit signal of the railway track and wheel hub high-frequency percussion loading simulator of the utility model
Figure
Fig. 8 is the hydraulic control system schematic diagram of the railway track and wheel hub high-frequency percussion loading simulator of the utility model
Fig. 9 is the hydraulic control system work connection figure of the railway track and wheel hub high-frequency percussion loading simulator of the utility model
Figure 10 is the wheel shaft jacking system schematic diagram of the railway track and wheel hub high-frequency percussion loading simulator of the utility model
Figure 11 is the brake system plane detail drawing of the railway track and wheel hub high-frequency percussion loading simulator of the utility model
Figure 12 is the brake system detailed perspective of the railway track and wheel hub high-frequency percussion loading simulator of the utility model
Figure 13 is that the axle system of the railway track and wheel hub high-frequency percussion loading simulator of the utility model and brake system connect
Map interlinking
Figure 14 is that the axle system of the railway track and wheel hub high-frequency percussion loading simulator of the utility model and brake system connect
Connect sectional view
Figure 15 is the gear mechanism braking detail drawing of the railway track and wheel hub high-frequency percussion loading simulator of the utility model.
In figure：Level adjustment system 1, console 2, hydraulic control system 3, wheel shaft jacking system 4, brake system 5, wheel shaft
System 6, railway track structure 7, sliding wheel 8, main frame 9, power switch 10, wheel shaft jacking system switch 11, Level tune
System switching 12, wheel shaft free-falling button 13, wheel shaft adjustable height are displaced display instrument 14, drum-type brake pad 15, power hydraulic pressure
Brake 16, cylindrical shaft 19, pull rod 18, disk 17, circular gear 20, column casing 21, gear slideway 22, attachment fastener 23,
Overflow valve 24, servo valve integrated package 25, superposing type strainer valve 26, proportional servo valve 27, high-pressure plunger pump 28, oil pipe 29, jacking
Hydraulic jack 30, intermediate I-shaped gooseneck 31, top I-shaped gooseneck 32, fuse 33, circuit breaker 34, contactor 35, electricity
Line 36, pressure gauge 37.
Specific embodiment
The embodiments of the present invention are described in detail below in conjunction with attached drawing, but the utility model can be by following
The multitude of different ways for limiting and covering is implemented.
As Figure 1-Figure 4, a kind of railway track and wheel hub high-frequency percussion loading simulator of the utility model, including main frame 9
And the railroad track model configuration 7 in 9 bottom of main frame, between the main frame 9 and railroad track model configuration 7
Equipped with the wheel track high-frequency percussion loading simulator for acting on track structure for simulating train in actual motion, railway track and wheel hub
High-frequency percussion loading simulator is acted on by the simulation mechanism for simulating train wheel to railroad track model configuration 7；
The railway track and wheel hub high-frequency percussion loading simulator includes one group and is mounted in the middle part of main frame 9 for simulating column
The axle system 6 of vehicle operation, is mounted on the wheel shaft jacking system 4 of 9 both upper ends thereof of main frame, is mounted among 9 top of main frame
Brake system 5 right above axle system is mounted on the level adjustment system 1 of four angle points in main frame bottom, is mounted on
Sliding wheel 8 in 9 base cross members of main frame, the liquid for being mounted on the console 2 of main frame side and being mounted on above console
Pressure control system 3.
The axle system 6, to forming, controls adjustable height by wheel shaft jacking system 4 by a pair of of railway train wheel, and
Auxiliary is fixed with brake system 5.Axle system 6 can simulate under various situations by adjusting different height due to train
The high-frequency percussion effect of track structure is acted on caused by wheel flat or track irregularity, is that railroad track is rushed by train high frequency
It hits and reliable weighted platform is provided, provide experimental basis to disclose track structure damage and space oscillations propagation characteristic.
As shown in Figure 10, the wheel shaft jacking system 4 includes two hydraulic jacks positioned at 9 both upper ends thereof of main frame
30, the intermediate I-shaped gooseneck 31 for jacking 30 bottom of hydraulic jack and 9 top of main frame is fixed, and jacking hydraulic jack 30 is pushed up
Portion is in contact with top I-shaped gooseneck 32, each one root post casing 21 of right angle setting in 32 both ends bottom of top I-shaped gooseneck,
21 bottom of column casing is connect by attachment fastener 23 with axle system 6.Top is lifted by the lifting of jacking hydraulic jack 30
Portion's I-shaped gooseneck 32, so that column casing 21 be driven to go up and down, column casing 21 passes through 23 phase of attachment fastener with axle system 6
Even, so can be used for adjusting the axle system height of simulation Railway wheelset.Pass through 21 fast pulley of gear slideway 22 and column casing
Axis vertical position, axle system 6 can simulate train actual operating state.
As shown in Figure 11-Figure 15, the brake system 5 is that a circular gear is respectively arranged at 19 both ends of cylindrical shaft
20, the gear slideway 22 being arranged inside circular gear 20 and column casing 21 engages；The disk that the middle section of cylindrical shaft 19 is equipped with
17, a brake drum piece 15 is respectively set on the connecting rod of 17 two sides of disk, connecting rod passes through power hydraulic pressure brake instrument through pull rod 18
16 control actions.Reduce 18 length of pull rod by power hydraulic pressure brake instrument 16, brake drum piece 15 and disk 17 can be driven to hold tightly,
It limits cylindrical shaft 19 to rotate, so that the column casing engaged with circular gear 20 is fixed on a certain height, then makes to take turns shafting
System 6 is fixed on certain altitude.When increasing 18 length of pull rod by power hydraulic pressure brake instrument 16, brake drum piece 15 and disk 17
Unclamp, so that cylindrical shaft 19 can be freely rotated, therefore axle system 6 at this time can free-falling, simulate railway track and wheel hub high-frequency percussion.
The level adjustment system 1 is that there are four hydraulic jacks in the installation of 9 bottom of main frame, and hydraulic jack is by hydraulic
Control system 3 controls.Hydraulic jack is for adjusting frame integral level, when installing ground out-of-flatness, starts Level tune
System 1 carries out carry out height adjustment to 9 four angle point height of main frame one by one, and axle system 6 is made to be bonded and consolidate closely with rail
Fixed, wheel shaft both ends wheel prevents from hanging down caused by wheel shaft is inconsistent to height due to both ends wheel when falling to same level height is in
Straight impact force is eccentric.
It as shown in Figure 5-Figure 7, include power switch 10, wheel shaft jacking system switch 11, horizontal tune outside the console 2
It saves system switching 12, wheel shaft free-falling button 13, wheel shaft adjustable height and is displaced display instrument 14, console 2 is for controlling operation
The railway track and wheel hub high-frequency percussion loading simulator；It is made of inside console control circuit, control circuit is that button passes through electricity
36 sequential connection fuse 33 of line, circuit breaker 34, contactor 35 and control button, wherein contactor 35 passes through electric wire and control
The hydraulic control system 3 on 2 top of platform is connected.
As illustrated in figs. 8-9, control circuit elder generation and servo valve integrated package 25 phase of the hydraulic control system 3 by console
Connection, is then sequentially connected proportional servo valve 27, proportional servo valve 27 is separately connected overflow valve 24 and pressure gauge 37, then together
When be connected to superposing type strainer valve 26, then connection high-pressure plunger pump 28 again, then each hydraulic jack is connected by oil pipe 29.
9 bottom of main frame is equipped with sliding wheel 8.Sliding wheel is connected by four bolts with crossbeam bottom, can be square
Just it is dismantled, while the plan-position of adjustable single unit system, facilitates the movement of single unit system.
The railway track and wheel hub high-frequency percussion loading simulator is moved to experimental site in use, first passing through sliding wheel 8,
And adjust to suitable flat position, post and fix axle system 6 closely with railroad track model configuration 7.Power supply is connected, is led to
Console 2 is crossed to turn on the power switch；By the level adjustment system control button on console 2, the four of 9 bottom of main frame are increased
A hydraulic jack makes sliding wheel be in vacant state and dismantles sliding wheel 8, and anti-locking apparatus is made due to sliding wheel movement
At experiment interference.Level adjustment system control button is adjusted again, and intense adjustment is carried out to four hydraulic jack heights of roofs, makes iron
Road wheel track high-frequency percussion loading simulator is in integral level state, to adapt to different site requirements, prevents due to place not
Experiment interference caused by smooth.By 11 pairs of jacking hydraulic jacks 30 of wheel shaft jacking system control button on console 2 into
Row lifting goes up and down its top I-shaped gooseneck 32 by jacking hydraulic jack 30, to drive and top I-steel
The integrally welded column casing 21 of crossbeam 32 is gone up and down, and will finally be linked together with 21 lower section of column casing with attachment fastener 23
Axle system 6 gone up and down；Being displaced display instrument 14 by the wheel shaft adjustable height on console 2 can calculate under wheel shaft
Drop height degree facilitates adjustment doffing height, is required according to different experiments, axle system 6 can be adjusted to different height and carry out mould
Draft experiment.After axle system 6 is raised to proper height, by console 2 by the jacking hydraulic jack of wheel shaft jacking system 4
30 height drop to least significant end, and axle system 6 is only fixed by brake system 5 without support at this time；Brake system 5 passes through brake
Drum piece 15 and disk 17 are held tightly, and limitation cylindrical shaft 19 rotates, so that the column casing engaged with circular gear 20 is fixed on
A certain height then makes axle system 6 be fixed on certain altitude.The wheel shaft free-falling button 13 on console 2 is pressed, is braked
System 5 unclamps disk 17 by brake drum piece allows wheel shaft free-falling to act on railway so that cylindrical shaft 19 is freely rotated
Orbital simulation structure 7, so that simulation acts on the high frequency of track structure due to caused by train wheel flat or track irregularity
Shock effect.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art, can be without creative labor in the technical scope disclosed by the utility model
The dynamic change or replacement expected, should be covered within the scope of the utility model.Therefore, the protection model of the utility model
Enclosing be determined by the scope of protection defined in the claims.
Claims (8)
1. a kind of railway track and wheel hub high-frequency percussion loading simulator, including main frame (9) and it is in the main frame (9) bottom
Railroad track model configuration (7), which is characterized in that between the main frame (9) and railroad track model configuration (7) be equipped with use
The wheel track high-frequency percussion loading simulator of track structure, the punching of railway track and wheel hub high frequency are acted on when simulating train in actual motion
Loading simulator is hit to act on by the simulation mechanism for simulating train wheel to railroad track model configuration (7)；
The railway track and wheel hub high-frequency percussion loading simulator includes one group and is mounted in the middle part of main frame (9) for simulating train
The axle system (6) of operation is mounted on the wheel shaft jacking system (4) of main frame (9) both upper ends thereof, is mounted on main frame (9)
The brake system (5) being located at right above axle system among portion, is mounted on the level adjustment system of four angle points in main frame bottom
(1), the sliding wheel (8) being mounted in main frame (9) base cross members is mounted on console (2) and the installation of main frame side
Hydraulic control system (3) above console.
2. railway track and wheel hub high-frequency percussion loading simulator according to claim 1, which is characterized in that the axle system
(6) by a pair of of railway train wheel to forming, adjustable height is controlled by wheel shaft jacking system (4), and assist with brake system (5)
It is fixed.
3. railway track and wheel hub high-frequency percussion loading simulator according to claim 1 or 2, which is characterized in that the wheel shaft
Jacking system (4) includes two hydraulic jacks (30) positioned at main frame (9) both upper ends thereof, jacks hydraulic jack (30) bottom
The intermediate I-shaped gooseneck (31) on portion and main frame (9) top is fixed, jacking hydraulic jack (30) top and top I-steel
Crossbeam (32) is in contact, each one root post casing (21) of right angle setting in top I-shaped gooseneck (32) both ends bottom, column casing
(21) bottom is connect by attachment fastener (23) with axle system (6).
4. railway track and wheel hub high-frequency percussion loading simulator according to claim 1, which is characterized in that the brake system
It (5) is that one circular gear (20) is respectively set at cylindrical shaft (19) both ends, circular gear (20) and column casing (21) are interior
Gear slideway (22) engagement of portion's setting；The disk (17) that the middle section of cylindrical shaft (19) is equipped with, the connecting rod of disk (17) two sides
On be respectively set a brake drum piece (15), connecting rod passes through power hydraulic pressure brake instrument (16) control action through pull rod (18).
5. railway track and wheel hub high-frequency percussion loading simulator according to claim 1, which is characterized in that the Level tune
System (1) is in the installation of main frame (9) bottom there are four hydraulic jack, and hydraulic jack is controlled by hydraulic control system (3).
6. railway track and wheel hub high-frequency percussion loading simulator according to claim 1, which is characterized in that the console
(2) external includes under power switch (10), wheel shaft jacking system switch (11), level adjustment system switch (12), wheel shaft freedom
Button (13), wheel shaft adjustable height displacement display instrument (14) are fallen, console (2) operates the railway track and wheel hub high-frequency percussion for controlling
Loading simulator；It is made of inside console control circuit, control circuit is that button passes through electric wire (36) sequential connection fusing
Device (33), circuit breaker (34), contactor (35) and control button, wherein contactor (35) passes through electric wire and console (2) top
Hydraulic control system (3) be connected.
7. railway track and wheel hub high-frequency percussion loading simulator according to claim 1, which is characterized in that the hydraulic control
System (3) is first connected with servo valve integrated package (25) by the control circuit of console, is then sequentially connected proportional servo valve
(27), proportional servo valve (27) is separately connected overflow valve (24) and pressure gauge (37), is then connected to superposing type strainer valve simultaneously
(26), then connection high-pressure plunger pump (28) again, then each hydraulic jack is connected by oil pipe (29).
8. railway track and wheel hub high-frequency percussion loading simulator according to claim 2, which is characterized in that main frame (9) bottom
Portion is equipped with sliding wheel (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820521023.0U CN208109424U (en) | 2018-04-05 | 2018-04-05 | A kind of railway track and wheel hub high-frequency percussion loading simulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820521023.0U CN208109424U (en) | 2018-04-05 | 2018-04-05 | A kind of railway track and wheel hub high-frequency percussion loading simulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208109424U true CN208109424U (en) | 2018-11-16 |
Family
ID=64117569
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820521023.0U Expired - Fee Related CN208109424U (en) | 2018-04-05 | 2018-04-05 | A kind of railway track and wheel hub high-frequency percussion loading simulator |
Country Status (1)
| Country | Link |
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| CN (1) | CN208109424U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108387384A (en) * | 2018-04-05 | 2018-08-10 | 中南大学 | A kind of railway track and wheel hub high-frequency percussion loading simulator |
-
2018
- 2018-04-05 CN CN201820521023.0U patent/CN208109424U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108387384A (en) * | 2018-04-05 | 2018-08-10 | 中南大学 | A kind of railway track and wheel hub high-frequency percussion loading simulator |
| CN108387384B (en) * | 2018-04-05 | 2023-12-05 | 中南大学 | High-frequency impact loading simulation device for railway wheel rail |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181116 Termination date: 20200405 |