CN109030049A - A kind of ballastless track of high-speed railway complex environment simulation experiment system - Google Patents

A kind of ballastless track of high-speed railway complex environment simulation experiment system Download PDF

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Publication number
CN109030049A
CN109030049A CN201810777804.0A CN201810777804A CN109030049A CN 109030049 A CN109030049 A CN 109030049A CN 201810777804 A CN201810777804 A CN 201810777804A CN 109030049 A CN109030049 A CN 109030049A
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CN
China
Prior art keywords
library
ballastless track
test platform
speed railway
simulation experiment
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CN201810777804.0A
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Inventor
高亮
蔡小培
钟阳龙
何宁
罗必成
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Beijing Jiaotong University
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Beijing Jiaotong University
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Priority to CN201810777804.0A priority Critical patent/CN109030049A/en
Publication of CN109030049A publication Critical patent/CN109030049A/en
Priority to PCT/CN2019/091195 priority patent/WO2020015488A1/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M99/00Subject matter not provided for in other groups of this subclass
    • G01M99/007Subject matter not provided for in other groups of this subclass by applying a load, e.g. for resistance or wear testing
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01BPERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B35/00Applications of measuring apparatus or devices for track-building purposes

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)

Abstract

The invention discloses a kind of ballastless track of high-speed railway complex environment simulation experiment systems, including test platform the library, large-scale walk-in type temperature and humidity control system, platy ballastless track structure, mobile prototype fatigue test load machine system, sensor monitoring detection system and auxiliary setting and equipment guarantee system.The present invention can be used to simulate true complicated climatic environment condition, influence and track structure service state etc. of the extraneous factors such as Complex Temperature circulation, rainwater, freeze thawing, train load to ballastless track of high-speed railway structure, infrastructure can be analyzed, apply also for various structures, component, the correlation test of equipment and the test of the other fields such as bridge, roadbed, road surface, material, use scope is extensive, with good economic efficiency and social benefit.

Description

A kind of ballastless track of high-speed railway complex environment simulation experiment system
Technical field
The present invention relates to railroad maintenance technical field more particularly to a kind of simulation examinations of ballastless track of high-speed railway complex environment Check system.
Background technique
With the fast development of traffic and transport service, China express railway technology is rapidly developed, high-speed railway with stability, Based on the better non-fragment orbit of reliability, ride comfort.
Ended for the end of the year 2017, China's high-speed rail mileage has broken through 2.2 ten thousand kilometers, occupies first of the world.China's high-speed rail development speed Spend fast, scale is big, the protrusion of achievement, and benefit is extensively, attract worldwide attention, high-speed rail have become China go to the world, stand it is alive The beautiful business card in boundary stage center.
With increasing for ballastless track of high-speed railway railroad embankment mileage, the maintenance management of science how is carried out to it As urgent problem to be solved, by the concern of domestic and international related scholar.
However since China region is wide, weather conditions difference is big, the high-speed rail engineering construction period is short, it is big, early to build scale Phase technological accumulation and operation experience are insufficient, ballastless track of high-speed railway as the concrete structure engineering being placed in natural environment, It is subjected to the influence of the various factors couplings such as various complicated weather conditions variations and reciprocal train load, statistics shows domestic nearly all All there is different degrees of, different types of non-fragment orbit disease in high-speed rail, and the appearance of disease destroys the integrality of track, causes Ballastless track structure destroys and failure, affects the normal service performance of non-fragment orbit, driving has even been jeopardized in some locations Safety must not be without speed limit.The frequent of disease occurs while bringing heavy non-fragment orbit maintenance operation, part area Domain maintenance takes a long time and disrupted circuit normal operation of having to, and will if things go on like this hinder the sound development of China express railway.
In future, the China express railway non-fragment orbit scale of construction will be huger, and to meet high-speed rail growth requirement, construction is complicated Weather conditions ballastless track of high-speed railway compbined test and checkout facility, to the scientific, reasonable of new research and development track type of design Property etc. carries out the verification experimental verification under simulation true environment and proposes Optimizing Suggestions, is being on active service to existing ballastless track of high-speed railway The scientific maintenance theory of innovation is studied and released to mechanical property, micromechanism of damage, degradation mechanism, fatigue properties in journey etc., The detections such as feasibility, using effect certification is carried out to the application of the following ballastless track of high-speed railway new material, to preferably take It is engaged in the development of China's high-speed rail, the core competitiveness of General Promotion China express railway non-fragment orbit engineering, it is imperative.
It is directed to the compbined test or detection of ballastless track of high-speed railway at present, either indoor platform or outdoor test Line, the mainly dependence tests such as track structure strength of parts, power performance, the considerations of lacking to complicated weather conditions, such as height Temperature circulation, extreme high/low temperature, continuous high temperature, the true consideration and Complex Temperature that rainfall, cold lower surface freeze etc. under high temperature The considerations of environment and train load coupling influence track structure, it is difficult to which China has a vast territory, high-speed rail operation condition for satisfaction The big national conditions demand of climate difference.
Therefore, overcome the shortcomings of existing high-speed railway all-around test stand and technological deficiency is that those skilled in the art are badly in need of The technical issues of solution.
Summary of the invention
The purpose of the present invention is to provide a kind of ballastless track of high-speed railway complex environment simulation experiment systems, on solving State problem.
In order to achieve the above object, the technical scheme of the present invention is realized as follows:
The present invention provides a kind of ballastless track of high-speed railway complex environment simulation experiment systems, including test platform library Body, large-scale walk-in type temperature and humidity control system, platy ballastless track structure, mobile prototype fatigue test load machine system;
Wherein: the test platform the library includes the library ontology surrounded by multiple the library faces, is arranged on this side of the library The gate and observation window in face and the air interchanger and test platform pedestal that the library the library body bottom portion is set;
The side-walls of the test platform the library are arranged in the large size walk-in type temperature and humidity control system;The large-scale step Enter formula temperature and humidity control system for in the test platform the library air implement heating control operation, cooling control operation with And humidification control action;
The inside of the test platform the library is arranged in the platy ballastless track structure;
The movable type prototype fatigue test load machine system includes fatigue test load machine and mobile boosting frame;It is described The outside of the test platform the library is arranged in mobile boosting frame, and fatigue test load machine setting is flat in the test The platy ballastless track structure top of platform the library;The movable type boosting frame is used for fatigue test load machine connection It is arranged in the top of the platy ballastless track structure.
Preferably, as a kind of implementable solution;The library face of the test platform the library include from the inside to the outside according to The bladder layer of secondary setting, intermediate course, outer bladder structure layer;
The bladder layer uses high-quality stainless steel plate;The outer gallbladder layer uses high-quality color steel plate, and the intermediate course is poly- The hard foamed filled layer of ammoniacum;The gate is Color-steel-plate door, and observation window is housed on the gate.
Preferably, as a kind of implementable solution;The test platform pedestal includes the net being welded by more channel steels Formula frame and the base plate being arranged on net formula frame surface;The base plate includes color steel plate and stainless steel plate;
The width of the test platform pedestal is greater than the width of the test platform the library;In the test platform pedestal Two sides are reserved with for the mobile mobile channel passed through of boosting frame on width, and are also reserved on the test platform pedestal There is gutter.
Preferably, as a kind of implementable solution;In the specific structure of the platy ballastless track structure;It is described board-like Ballastless track structure is made of rail, spring secures rail to sleeper, precast track plate, cement emulsified asphalt mortar adjustment layer and supporting course.
Preferably, as a kind of implementable solution;In the specific knot of the mobile prototype fatigue test load machine system In structure;The fatigue test load machine is specially 50 tonnes of servo-drive machines;The movable type boosting frame further includes reaction frame cross 1, beam, 2, reaction frame column, self-balancing reaction beam 2, distribution beam 8.
Preferably, as a kind of implementable solution;In the large-scale walk-in type temperature and humidity control system specific structure;Institute Stating large-scale walk-in type temperature and humidity control system includes refrigeration system, humidification system, heating system, supply air system and PID control system System and temperature and humidity color liquid crystal touch display screen;
The refrigeration system includes refrigeration unit, water pump, pond;The refrigeration unit passes through the water pump and the pond It is connected;The refrigeration unit is used to be generated chilled water using environmentally friendly refrigerant and exported and be realized inside the test platform the library Air cooling-down operation;
The heating system includes steam heater;The steam heater includes evaporator and titanium tube electric heating Device, blower, blower turbine, controlled heater circuit;The evaporator is connected with the titanium tube electric heater, and the controlled heating Circuit is electrically connected with PID control system and titanium tube electric heater respectively;The blower and blower turbine setting are being blown In system;The PID control system switches on and off the controlled heater circuit of realization for controlling;
The supply air system includes the circulation supply air system that lower return air duct is constituted by upper air supply duct;The heating system System is connected to the supply air system;The supply air system is used to that room air to be passed through air by upper air-supply and lower air return method It is sent into the laboratory of the test platform the library after adjusting cavity heat treatment;
The temperature and humidity color liquid crystal touch display screen is used for and refrigeration system, humidification system, heating system, supply air system And the mobile prototype fatigue test load machine system electrical connection.
Preferably, as a kind of implementable solution;The ballastless track of high-speed railway complex environment simulation experiment system is also Including air conditioning cabinet 10;The air conditioning cabinet 10 is arranged at the avris of the test platform the library 1;The air conditioning The steam heating dress being made of evaporator, titanium tube electric heater, blower, blower turbine, controlled heater circuit is provided in cabinet 10 It sets.
Preferably, as a kind of implementable solution;Liquid spraying device is provided with above the platy ballastless track structure.
Preferably, as a kind of implementable solution;The ballastless track of high-speed railway complex environment simulation experiment system is also Including the sensor monitoring detection system and auxiliary setting and equipment guarantee system;
Wherein, the sensor monitoring detection system includes that multiple temperature, ess-strain, displacement sensor and dynamic are tested Instrument, single-chip microcontroller and data sink;The sensor monitoring detection system is used for the intracorporal temperature and humidity in test platform library Carry out real-time and long term monitoring;It is also used to the intracorporal platy ballastless track structure in test platform library under load action Stress, strain, displacement carry out real-time and long term monitoring;It is also used to the position to the mobile prototype fatigue test load machine system Shifting amount and implementation load value carry out real-time and long term monitoring;
The auxiliary setting and equipment guarantee system are provided with multiple safe protection device;The auxiliary setting and equipment are protected Barrier system includes buzzer, the indicator light for providing sound-light alarm, earth protective device, heater short-circuit protection, drum Wind turbine overload protection, independent overtemperature prote system, leakage circuit breakers, indoor scram button control switch, emergency light, fire-fighting are set It is standby.
Preferably, as a kind of implementable solution;The ballastless track of high-speed railway complex environment simulation experiment system is also Including computer installation;The outside of the test platform the library is arranged in the computer installation;The computer installation difference With the large-scale walk-in type temperature and humidity control system, the mobile prototype fatigue test load machine system and the sensor monitoring Detection system connection.
Compared with prior art, this have the advantage that:
A kind of ballastless track of high-speed railway complex environment simulation experiment system provided by the invention, analyzes above-mentioned high-speed railway Known to the main construction of non-fragment orbit complex environment simulation experiment system: above-mentioned ballastless track of high-speed railway complex environment simulation examination Check system its mainly by test platform the library, large-scale walk-in type temperature and humidity control system, platy ballastless track structure, mobile former Type fatigue test loads the structures such as machine system construction;
Wherein: the test platform the library includes the library ontology surrounded by multiple the library faces, is arranged on this side of the library The gate and observation window in face and the air interchanger and test platform pedestal that the library the library body bottom portion is set;
The side-walls of the test platform the library are arranged in the large size walk-in type temperature and humidity control system;The large-scale step Enter formula temperature and humidity control system for in the test platform the library air implement heating control operation, cooling control operation with And humidification control action;
The inside of the test platform the library is arranged in the platy ballastless track structure;
The movable type prototype fatigue test load machine system includes fatigue test load machine and mobile boosting frame;It is described The outside of the test platform the library is arranged in mobile boosting frame, and fatigue test load machine setting is flat in the test The platy ballastless track structure top of platform the library;The movable type boosting frame is used for fatigue test load machine connection It is arranged in the top of the platy ballastless track structure.
During entire test method, test platform the library is main shell structure, for internal plate-type ballastless Track structure provides protection and test site, and ensure that can simulate a variety of display test scenes;Above-mentioned plate-type ballastless Track structure uses true plate-type ballastless track system, and the inside of the test platform the library is arranged in;Large-scale walk-in type Temperature and humidity control system is used to implement air in the test platform the library heating control operation, cooling control operation and adds Wet control action (application scenarios for simulating the complexity such as heating and cooling, Complex Temperature circulation, temperature gradient, rainwater);It is mobile simultaneously Formula boosting frame is used to for fatigue test load machine connection being arranged in the top of the platy ballastless track structure, the movable type Prototype fatigue test loads machine system and then implements load load work to platy ballastless track structure, thus to simulation train load Scene.
It will be apparent that above-mentioned ballastless track of high-speed railway complex environment simulation experiment system, can be used for simulating true complicated gas Environmental condition is waited, and is not limited to track structure system aspects, Complex Temperature circulation, rainwater, freeze thawing, train lotus can not only be analyzed The influences and track structure service state etc. of the extraneous factors to ballastless track of high-speed railway structure, infrastructure such as load, may be used also Applied to the various structures of the other fields such as bridge, roadbed, road surface, material, component, the correlation test of equipment and test, use It is in extensive range, with good economic efficiency and social benefit;
Ballastless track of high-speed railway complex environment simulation experiment system provided by the invention simultaneously, reasonable structural arrangement, It can adapt to long-term, stable, safe and reliable test needs, can satisfy user and be engaged in long-time service requirement, and use, behaviour Make, is easy to maintenance, there is good user interface, so that operation and monitoring are all simpler and intuitive.
Detailed description of the invention
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 be briefly described, it should be apparent that, it is 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, is also possible to obtain other drawings based on these drawings.
Fig. 1 is that the outside for the ballastless track of high-speed railway complex environment simulation experiment system that the embodiment of the present invention one provides is whole Body structural schematic diagram;
Fig. 2 is that the inside for the ballastless track of high-speed railway complex environment simulation experiment system that the embodiment of the present invention one provides is whole Body structural schematic diagram;
Fig. 3 is being equipped with for the ballastless track of high-speed railway complex environment simulation experiment system that the embodiment of the present invention one provides Inside overall structure diagram after complete platy ballastless track structure;
Fig. 4 is the part control for the ballastless track of high-speed railway complex environment simulation experiment system that the embodiment of the present invention one provides Schematic illustration processed;
Fig. 5 is the movement in the ballastless track of high-speed railway complex environment simulation experiment system that the embodiment of the present invention one provides Formula boosting frame structural schematic diagram;
Fig. 6 is the fatigue in the ballastless track of high-speed railway complex environment simulation experiment system that the embodiment of the present invention one provides Test load machine structural schematic diagram;
Fig. 7 is that the vertical view for the ballastless track of high-speed railway complex environment simulation experiment system that the embodiment of the present invention one provides is saturating Depending on structural schematic diagram.
Label:
Test platform the library 1;
Large-scale walk-in type temperature and humidity control system 2;Refrigeration system 21;Humidification system 22;Heating system 23;Supply air system 24;PID control system 25;Refrigeration unit 211;Water pump 212;Pond 213;
Platy ballastless track structure 3;
Mobile prototype fatigue test loads machine system 4;Fatigue test loads machine 41;Mobile boosting frame 42;
Sensor monitoring detection system 5;
Auxiliary setting and equipment guarantee system 6;
Gate 7;
Observation window 8;
Test platform pedestal 9;
Air conditioning cabinet 10;
Computer installation 11;
Temperature, ess-strain, displacement sensor 12.
Specific embodiment
Technical solution 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 Personnel's every other embodiment 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, rather than the device or element of indication or suggestion meaning there must be specific side Position is constructed and operated in a specific orientation, therefore is 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, be also possible to be electrically connected;It can be directly connected, The connection inside two elements can also be can be indirectly connected through an intermediary.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.
Embodiment one
Referring to Fig. 1 and Fig. 2, Fig. 3, the ballastless track of high-speed railway complex environment that the embodiment of the present invention one provides simulates examination Check system, including test platform the library 1, large-scale walk-in type temperature and humidity control system 2, platy ballastless track structure 3, mobile original Type fatigue test loads machine system 4;
Wherein: the test platform the library 1 includes the library ontology surrounded by multiple the library faces, is arranged on this side of the library The gate 7 and observation window 8 in face and the air interchanger and test platform pedestal 9 that the library the library body bottom portion is set;
The side-walls of the test platform the library 1 are arranged in the large size walk-in type temperature and humidity control system 2;The large size Walk-in type temperature and humidity control system 2 is used to implement air in the test platform the library 1 heating control operation, cooling control behaviour Make and humidify control action;
The inside of the test platform the library 1 is arranged in the platy ballastless track structure 3;
The movable type prototype fatigue test load machine system 4 includes fatigue test load machine 41 and mobile boosting frame 42;The outside of the test platform the library 1 is arranged in the movable type boosting frame, and fatigue test load machine is arranged in institute State 3 top of the platy ballastless track structure of test platform the library 1;The movable type boosting frame is used for the fatigue test Load machine connects the top for being arranged in the platy ballastless track structure 3.
The embodiment of the present invention one provide above-mentioned ballastless track of high-speed railway complex environment simulation experiment system, mainly by Test platform the library 1, large-scale walk-in type temperature and humidity control system 2, platy ballastless track structure 3, mobile prototype fatigue test Load machine system 4, sensor monitoring detection system 5 (the sensor monitoring detection systems of i.e. more means fusions) and auxiliary are arranged and set Standby safeguards system 6 is constituted.Wherein, large-scale walk-in type temperature and humidity control system 2 is adjusted equipped with the epidemic disaster of high-accuracy intelligent Show integral control system, including refrigeration system 21, humidification system 22, heating system 23, supply air system 24 and PID control system System 25 and temperature and humidity color liquid crystal touch display screen;The large size walk-in type temperature and humidity control system 2 is arranged flat in the test The side-walls of platform the library 1;The large size walk-in type temperature and humidity control system 2 is for real to air in the test platform the library 1 Apply heating control operation, cooling control operation and humidification control action;The platy ballastless track structure 3 is arranged in the examination Test the inside of platform the library 1;The movable type prototype fatigue test load machine system 4 includes fatigue test load machine and movable type Boosting frame;The outside of the test platform the library 1, and fatigue test load machine setting is arranged in the movable type boosting frame On 3 top of the platy ballastless track structure of the test platform the library 1;The movable type boosting frame is used for the fatigue Test load machine connection is arranged in the top of the platy ballastless track structure 3.
During entire test method, test platform the library 1 is main shell structure, for internal plate-type ballastless Track structure 3 provides protection and test site, and ensure that can simulate a variety of display test scenes;Above-mentioned plate-type ballastless Track structure 3 uses true plate-type ballastless track system, and the inside of the test platform the library 1 is arranged in;Large size is stepped into Formula temperature and humidity control system 2 be used for in the test platform the library 1 air implement heating control operation, cooling control operation with And humidification control action (application scenarios for simulating the complexity such as heating and cooling, Complex Temperature circulation, temperature gradient, rainwater);Simultaneously Mobile boosting frame is used to for fatigue test load machine connection being arranged in the top of platy ballastless track structure 3, the movement Formula prototype fatigue test loads machine system 4 and then implements load load work to platy ballastless track structure 3, thus to simulation train The scene of load.
Below to the specific knot of ballastless track of high-speed railway complex environment simulation experiment system provided in an embodiment of the present invention Structure and particular technique effect, which are done, to be described in detail:
Preferably, as a kind of implementable solution;As depicted in figs. 1 and 2, the library of the test platform the library 1 Face includes the bladder layer set gradually from the inside to the outside, intermediate course, outer bladder structure layer;The bladder layer uses high-quality stainless steel Plate;The outer gallbladder layer uses high-quality color steel plate, and the intermediate course is the hard foamed filled layer of polyurethane;The gate is color steel Plate door is equipped with observation window on the gate.
It should be noted that the library face of the test platform the library 1 uses bladder layer, intermediate course, outer gallbladder knot The design of structure layer three-decker;Bladder layer uses high-quality stainless steel plate, and outer gallbladder layer uses high-quality color steel plate, intermediate course filling heat preservation Medium, material are that polyurethane is hard foamed;Therefore it says and states the library face and be all made of strong heat-proof quality, light resistance to resistance, anti-corrosion Material, realize the functions such as heat preservation, the heat-insulated and anti-corrosion of the library.In addition gate material equally uses color steel plate, gate handle For inside and outside open-type, gate and side are equipped with observation window.
Primary structural configurations about test platform the library 1: test platform the library 1 exterior design gate (such as double open Formula and single open-type gate), observation window, computer installation, controller switching equipment, ventilation device, thermo hydrograph regulator, the portions such as fire-fighting equipment Part.As shown in Figure 1 and Figure 2 with internal overall schematic outside test platform, 1 profile arrangement of test platform the library is length Size 24.6m, width dimensions 5.6m, height dimension 3.15m;Its inside dimension of test platform the library 1: length dimension is 23.5m, width dimensions 4.5m, height dimension 2.5m, volume are 265 cubic metres;Wherein single open-door size, door body width Having a size of 0.8m, height dimension 2.0m;Double door size, door whole width size are 4.5m, height dimension 2.6m;Side Its forms of observation window width 3.0m, height dimension 0.9m.
Preferably, as a kind of implementable solution;As shown in Fig. 2, the test platform pedestal 9 includes being welded by more channel steels Net formula frame made of connecing and the base plate being arranged on net formula frame surface;The base plate includes color steel plate and stainless steel Plate;The width of the test platform pedestal 9 is greater than the width of the test platform the library 1;In the width of the test platform pedestal 9 Two sides are reserved with for the mobile mobile channel passed through of boosting frame on degree, and are also reserved on the test platform pedestal 9 There is gutter.
It should be noted that test platform pier welds networking formula frame using 8# channel steel, in order in horizontal bar It can bear the weight of platform and personnel's test specimen under part, and phenomena such as bottom surface does not generate uneven and cracking.Above-mentioned base plate table Face is wear-resistant using the additional SUS203# stainless steel plate reinforcement of 1.2mm color steel plate is thickeied.Test platform pedestal two sides reserved one simultaneously The channel of fixed width degree, to facilitate the operation in test preparation process and the movement of boosting frame, and the draining of reserved one fixed width Ditch prevents ponding.
Preferably, as a kind of implementable solution;As shown in Fig. 3 and Fig. 7, pass through top perspective knot illustrated in Figure 7 Structure is apparent that the structure construction of platy ballastless track structure 3;In the specific structure of the platy ballastless track structure 3 In;The platy ballastless track structure 3 by rail, spring secures rail to sleeper, precast track plate, cement emulsified asphalt mortar adjustment layer and Supporting course composition.
It should be noted that comprehensively considering various model track board foots in the specific structure of platy ballastless track structure 3 It is very little, it is tested by taking 3 pieces of II plate-type fragment-free track slabs of CRTS as an example, when laying is laid with according to actual track structure, is wrapped Include rail, spring secures rail to sleeper, precast track plate, cement emulsified asphalt mortar (CA mortar) adjustment layer and supporting course (pedestal), track Structure height is 779mm.Track plates are prefabricated using batch production, closely connected by longitudinal finish rolling deformed bar between each other, often Block track plates length is 6450mm, width 2550mm, with a thickness of 200mm;Supporting course is arranged in test platform susceptor surface, Top surface width is 2950mm, and ground width is 3250mm, and with a thickness of 300mm, bearing layer surface uses emulsified asphalt on the outside of track It is surface-treated;CA mortar adjustment layer is with a thickness of 30mm;Rail uses 60kg/m rail;Fastener selects WJ-8C type fastener.
Preferably, as a kind of implementable solution;As shown in figs.5 and 6, add in the mobile prototype fatigue test In the specific structure of carrier aircraft system 4;The fatigue test load machine is specially 50 tonnes of servo-drive machines;The mobile reinforcing Frame further includes 1, reaction frame crossbeam, 2, reaction frame column, self-balancing reaction beam 2, distribution beam 8.
It should be noted that the fatigue test load machine is specially 50 tonnes of servo-drive machines;The mobile reinforcing Frame further includes 1, reaction frame crossbeam, 2, reaction frame column, self-balancing reaction beam 2, distribution beam 8;Two reaction frames Column is separately positioned on the two sides of the test platform the library 1, and two reaction frame column tops are arranged in the reaction frame crossbeam Between portion, and self-balancing reaction beam setting in the middle part of two reaction frame columns between;
The 50t fatigue test load machine of customization is arranged in the top of track structure, section by mobile boosting frame For figure as shown in fig. 6, can be to load is realized in position respectively at plate end, in plate in test, tired (power) load be 500kN.
Preferably, as a kind of implementable solution;As shown in figure 4, the large size walk-in type temperature and humidity control system 2 includes Refrigeration system 21, humidification system 22, heating system 23, supply air system 24 and PID control system 25 and the touching of temperature and humidity color liquid crystal Touch display screen;
The refrigeration system 21 includes refrigeration unit 211 (i.e. environmentally friendly refrigerant refrigerator), water pump 212, pond 213;It is described Refrigeration unit 211 is connected by the water pump 212 with the pond 213;The refrigeration unit 211 is used for using environmentally friendly refrigerant It generates chilled water and exports the air cooling-down operation realized inside the test platform the library 1;It should be noted that;Refrigeration unit It is connected by water pump with pond, generates chilled water using environmentally friendly refrigerant, and to realize inner air by refrigerator and cool down, from And the reliability of guarantee test effect.Above-mentioned refrigeration system is designed using dualistic formula low-temperature circuit system simultaneously, self-con-tained unit Operating refrigerating circuit can be automatically selected with the setting value of temperature, and uses equipment using different compressors work in different temperature ranges Longer life expectancy.
The heating system 23 includes steam heater;The steam heater includes evaporator and titanium tube electric heating Device, blower, blower turbine, controlled heater circuit;The evaporator is connected with the titanium tube electric heater, and the controlled heating Circuit is electrically connected with PID control system 25 and titanium tube electric heater respectively;The blower and blower turbine setting are being sent On wind system;The PID control system 25 switches on and off the controlled heater circuit of realization for controlling;The air conditioning The steam heating dress being made of evaporator, titanium tube electric heater, blower, blower turbine, controlled heater circuit is provided in cabinet 10 It sets.It should be noted that;One air conditioning cabinet is set in test platform the library side, with a thickness of 450mm, wherein installation evaporation The equipment such as device, titanium tube electric heater, blower, blower membranous cochlea, the intracavitary all elements of air conditioning make anti-corruption processing;
The supply air system 24 includes the circulation supply air system that lower return air duct is constituted by upper air supply duct;The heating System 23 is connected to the supply air system 24;The supply air system 24 is used to pass through upper air-supply and lower air return method for room air It is sent into the laboratory of the test platform the library 1 after the heat treatment of air conditioning chamber;It should be noted that;Heating system 25, using upper air-supply, the supply air system of lower return air, are sent into room air in laboratory after the heat treatment of air conditioning chamber, Reach a circulation, realizes the heating simulation of laboratory.Simultaneously in supply air system;It mainly uses sirocco fan to realize Strength air-supply circulation, avoids any dead angle, temperature and humidity in test zone can be made to be evenly distributed.The design of wind path recycling air return air, Wind pressure, wind speed meet testing standard, and the moment temperature and humidity time of stabilizing that can make to open the door is fast.Heating, cooling, humidification system are complete Efficiency independently can be improved, reduce testing cost, increase the service life, lower failure rate.
Preferably, as a kind of implementable solution;Liquid spray dress is provided with above the platy ballastless track structure 3 It sets.It should be noted that;Liquid spraying device is set above the platy ballastless track structure 3, is washed away with Simulated rainwater, freeze thawing The environment such as circulation.
Preferably, as a kind of implementable solution;The ballastless track of high-speed railway complex environment simulation experiment system is also Including the sensor monitoring detection system 5 and auxiliary setting and equipment guarantee system 6;
Wherein, the sensor monitoring detection system 5 includes that multiple temperature, ess-strain, displacement sensor and dynamic are surveyed Instrument, single-chip data reception device are tried, it can be based on monitoring technology such as fiber grating, amendment stress-strain, videos to laboratory The progress such as stress, strain, the displacement of interior temperature and track structure or other subjects under load action are in real time and long-term Monitoring.
The auxiliary setting and equipment guarantee system 6 are equipped with multiple safe protection device, such as buzzer, indicator light offer sound Light alarm, independent overtemperature prote system, indoor scram button control switch etc., and it is equipped with emergency light, fire-fighting equipment, it is set with ensureing Standby safety.
It should be noted that;Auxiliary setting and equipment guarantee system 6, including leakage circuit breakers, indoor scram button control Make switch, equipment safety protection, safe and reliable earth protective device, heater short-circuit protection, blower motor overload protection, system Cold superpressure overload protection, buzzer, independent overtemperature prote system etc., energy effective guarantee equipment safety, while it being equipped with emergency light, Fire-fighting equipment etc. guarantees security against fire.
Preferably, as a kind of implementable solution;The ballastless track of high-speed railway complex environment simulation experiment system is also Including computer installation 11;The outside of the test platform the library 1 is arranged in the computer installation 11;The computer installation 11 load machine system 4 and sensing with the large-scale walk-in type temperature and humidity control system 2, the mobile prototype fatigue test respectively Detection system 5 is monitored to connect.It should be noted that;Above-mentioned sensor monitoring detection system 5 is used for real-time perfoming test monitoring data, And monitoring data are sent to computer installation 11;The computer installation 11 is for storage and monitoring data;It is described warm and humid Degree color liquid crystal touch display screen is for realizing adjusting temperature and humidity, the temperature and humidity color liquid crystal touch display screen by controlling It is also used to load the control that machine system 4 controls loading force by the mobile prototype fatigue test.
Ballastless track of high-speed railway complex environment simulation experiment system provided in an embodiment of the present invention has following aspect Technical advantage:
One, ballastless track of high-speed railway complex environment simulation experiment system provided by the invention can be used for simulating true multiple Miscellaneous climatic environment condition, and track structure system aspects are not limited to, Complex Temperature circulation, rainwater, freeze thawing, column can not only be analyzed Influence and track structure service state etc. of the extraneous factors such as vehicle load to ballastless track of high-speed railway structure, infrastructure, Various structures, component, the correlation test of equipment and the test of the other fields such as bridge, roadbed, road surface, material are applied also for, Use scope is extensive, with good economic efficiency and social benefit;
Two, ballastless track of high-speed railway complex environment simulation experiment system provided by the invention, structure arrangement are closed simultaneously Reason, can adapt to long-term, stable, safe and reliable test needs, can satisfy user and is engaged in long-time service requirement, and use, It operates, is easy to maintenance, there is good user interface, so that operation and monitoring are all simpler and intuitive.
Based on above many significant technical advantages, ballastless track of high-speed railway complex environment simulation examination provided by the invention Check system 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 Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into Row equivalent replacement;And these are modified or replaceed, 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 ballastless track of high-speed railway complex environment simulation experiment system, which is characterized in that including test platform the library (1), large-scale walk-in type temperature and humidity control system (2), platy ballastless track structure (3), mobile prototype fatigue test load machine System (4);
Wherein: the test platform the library (1) includes the library ontology surrounded by multiple the library faces, is arranged in this body side surface of the library Gate (7) and observation window (8) and air interchanger and test platform pedestal that the library the library body bottom portion is set (9);
The side-walls in the test platform the library (1) are arranged in the large size walk-in type temperature and humidity control system (2);The large size Walk-in type temperature and humidity control system (2) is used to implement the test platform the library (1) interior air heating control operation, cooling is controlled System operation and humidification control action;
The platy ballastless track structure (3) is arranged in the inside of the test platform the library (1);
Movable type prototype fatigue test load machine system (4) includes fatigue test load machine and mobile boosting frame;It is described Mobile boosting frame setting is in the outside of the test platform the library (1), and fatigue test load machine is arranged in the examination Test the platy ballastless track structure (3) top of platform the library (1);The movable type boosting frame is used for the fatigue test Load machine connects the top for being arranged in the platy ballastless track structure (3).
2. ballastless track of high-speed railway complex environment simulation experiment system as described in claim 1, which is characterized in that
The library face of the test platform the library (1) includes the bladder layer set gradually from the inside to the outside, intermediate course, outer gallbladder Structure sheaf;
The bladder layer uses high-quality stainless steel plate;The outer gallbladder layer uses high-quality color steel plate, and the intermediate course is polyurethane Hard foamed filled layer;The gate is Color-steel-plate door, and observation window is housed on the gate.
3. ballastless track of high-speed railway complex environment simulation experiment system as described in claim 1, which is characterized in that
The test platform pedestal (9) includes the net formula frame being welded by more channel steels and is arranged on net formula frame surface Base plate;The base plate includes color steel plate and stainless steel plate;
The width of the test platform pedestal (9) is greater than the width of the test platform the library (1);In the test platform pedestal (9) two sides are reserved with for the mobile mobile channel passed through of boosting frame, and the test platform pedestal (9) on width On be also reserved with gutter.
4. ballastless track of high-speed railway complex environment simulation experiment system as described in claim 1, which is characterized in that
In the specific structure of the platy ballastless track structure (3);The platy ballastless track structure (3) is by rail, elasticity Fastener, precast track plate, cement emulsified asphalt mortar adjustment layer and supporting course composition.
5. ballastless track of high-speed railway complex environment simulation experiment system as described in claim 1, which is characterized in that
In the specific structure of mobile prototype fatigue test load machine system (4);The fatigue test load machine is specific For 50 tonnes of servo-drive machines;The movable type boosting frame further includes that 1, reaction frame crossbeam, 2, reaction frame column, self-balancing are anti- 2, power beam, distribution beam 8.
6. ballastless track of high-speed railway complex environment simulation experiment system as described in claim 1, which is characterized in that
In described large-scale walk-in type temperature and humidity control system (2) specific structure;The large size walk-in type temperature and humidity control system (2) include refrigeration system (21), humidification system (22), heating system (23), supply air system (24) and PID control system (25) and Temperature and humidity color liquid crystal touch display screen;
The refrigeration system (21) includes refrigeration unit (211), water pump (212), pond (213);The refrigeration unit (211) is logical The water pump (212) is crossed to be connected with the pond (213);The refrigeration unit (211) is used to generate using environmentally friendly refrigerant cold Freeze water and exports the air cooling-down operation for realizing that the test platform the library (1) is internal;
The heating system (23) includes steam heater;The steam heater includes evaporator and titanium tube electric heating Device, blower, blower turbine, controlled heater circuit;The evaporator is connected with the titanium tube electric heater, and the controlled heating Circuit is electrically connected with PID control system (25) and titanium tube electric heater respectively;The blower and blower turbine setting exist In supply air system;The PID control system (25), which is used to control, realizes switching on and off for controlled heater circuit;
The supply air system (24) includes the circulation supply air system that lower return air duct is constituted by upper air supply duct;The heating system System (23) is connected to the supply air system (24);The supply air system (24) is used for will be indoor by upper air-supply and lower air return method Air is sent into the laboratory of the test platform the library (1) after the heat treatment of air conditioning chamber;
The temperature and humidity color liquid crystal touch display screen be used for refrigeration system (21), humidification system (22), heating system (23), Supply air system (24) and mobile prototype fatigue test load machine system (4) electrical connection.
7. ballastless track of high-speed railway complex environment simulation experiment system as described in claim 1, which is characterized in that
The ballastless track of high-speed railway complex environment simulation experiment system further includes air conditioning cabinet (10);The air conditioning Cabinet (10) is arranged at the avris of the test platform the library (1);It is provided in the air conditioning cabinet (10) by evaporator, titanium The steam heater that pipe electric heater, blower, blower turbine, controlled heater circuit are constituted.
8. ballastless track of high-speed railway complex environment simulation experiment system as described in claim 1, which is characterized in that
Liquid spraying device is provided with above the platy ballastless track structure (3).
9. ballastless track of high-speed railway complex environment simulation experiment system as described in claim 1, which is characterized in that
The ballastless track of high-speed railway complex environment simulation experiment system further includes that sensor monitoring detection system (5) and auxiliary are set It sets and equipment guarantee system (6);
Wherein, the sensor monitoring detection system (5) includes that multiple temperature, ess-strain, displacement sensor and dynamic are tested Instrument, single-chip microcontroller and data sink;The sensor monitoring detection system (5) is used for in the test platform the library (1) Temperature and humidity carries out real-time and long term monitoring;It is also used to exist to the platy ballastless track structure (3) in the test platform the library (1) Stress, strain, displacement under load action carry out real-time and long term monitoring;It is also used to add the mobile prototype fatigue test The displacement and implementation load value of carrier aircraft system (4) carry out real-time and long term monitoring;
The auxiliary setting and equipment guarantee system (6) are provided with multiple safe protection device;The auxiliary setting and equipment are protected Barrier system (6) include buzzer, the indicator light for providing sound-light alarm, earth protective device, heater short-circuit protection, Blower motor overload protection, independent overtemperature prote system, leakage circuit breakers, indoor scram button control switch, emergency light, fire-fighting Equipment.
10. ballastless track of high-speed railway complex environment simulation experiment system as claimed in claim 9, which is characterized in that
The ballastless track of high-speed railway complex environment simulation experiment system further includes computer installation (11);The computer dress (11) are set to be arranged in the outside of the test platform the library (1);The computer installation (11) respectively with the large-scale walk-in type Temperature and humidity control system (2), mobile prototype fatigue test load machine system (4) and the sensor monitoring detection system (5) it connects.
CN201810777804.0A 2018-07-16 2018-07-16 A kind of ballastless track of high-speed railway complex environment simulation experiment system Pending CN109030049A (en)

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CN110108434A (en) * 2019-05-30 2019-08-09 上海工程技术大学 A kind of rail system drop hammer impact testing machine
CN111611635A (en) * 2020-04-15 2020-09-01 北京交通大学 Design method of high-low temperature test platform of ballastless track of high-speed railway
CN111611635B (en) * 2020-04-15 2023-12-01 北京交通大学 Design method of high-speed railway ballastless track high-low temperature test platform
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