CN109490064A - The circular orbit wheel track stress and Base pond experimental rig of more physical factor effects - Google Patents

The circular orbit wheel track stress and Base pond experimental rig of more physical factor effects Download PDF

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Publication number
CN109490064A
CN109490064A CN201811329428.5A CN201811329428A CN109490064A CN 109490064 A CN109490064 A CN 109490064A CN 201811329428 A CN201811329428 A CN 201811329428A CN 109490064 A CN109490064 A CN 109490064A
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China
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control system
wheel
experimental rig
humidity
outer cover
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CN201811329428.5A
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CN109490064B (en
Inventor
李鑫
白明洲
刘力璇
李铁
李鹏翔
邱树茂
陈云
何伯虎
戚艳丽
周昊
陈杏子
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Beijing Jiaotong University
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Beijing Jiaotong University
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/02Details
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/32Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
    • G01N3/34Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces generated by mechanical means, e.g. hammer blows
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/003Generation of the force
    • G01N2203/0032Generation of the force using mechanical means
    • G01N2203/0033Weight
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/02Details not specific for a particular testing method
    • G01N2203/022Environment of the test
    • G01N2203/0222Temperature
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/02Details not specific for a particular testing method
    • G01N2203/022Environment of the test
    • G01N2203/0236Other environments

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Instructional Devices (AREA)
  • Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)

Abstract

The present invention relates to the circular orbit wheel track stress and Base pond experimental rig of a kind of more physical factor effects, and disclosing one kind can be automatically controled temperature, humidity and wheel load pressure, while the experimental rig of real-time monitoring wheel track stress, deformation.It include: transparent environmental cabinet outer cover, temperature control system, humidity control system, wheel borne control system, circular rails guidance tape ring, annular rail runway and base layer structure;The beneficial effects of the invention are as follows, temperature, humidity, steel wheel pressure, speed can be arbitrarily matched in range ability, experiment test is carried out to fragment-free track slab stress performance, disease evolution etc., not only force environment can be simulated in controlled range, but also can be visually seen substrate deformation, wheel track mechanical relationship, disease development and data rule.

Description

The circular orbit wheel track stress and Base pond experimental rig of more physical factor effects
Technical field
The present invention relates to wheel track and base's indoor intelligent monitoring test technology, in particular to a kind of more physical factors of simulation are made The experimental rig that circular orbit wheel track and substrate stress condition and durability under monitor.
Background technique
China express railway, which is flourishing, to go to the world, and after busy at putting up installations, in existing operation, high-speed rail is on active service The increase in service life, aging diseases and maintenance processing method become next step emphasis and put the axe in the helve, to existing railway rail wheeling action Relationship, the disease of track, guidance tape and substrate develops, deformation and corresponding mechanism also need further to study.At present about rail The mode that the research of road rail wheeling action relationship, railway correlation disease mostly uses has modeling and simulating simulation, test section field data The modes such as acquisition, short distance indoor simulation.Wherein, although modeling and simulating simulation can unlimited number and unlimited place range to examination Work condition analogue is tested, but still needs to site test results correction;Although test section on-site data gathering can acquire most true at the scene Original data, but during the development of test, the in place of a large amount of large scale equipments is needed, while in manpower, financial resources, on the time There is very big consumption;The modes such as short distance indoor simulation are returned by test cart on the plate of limited block number come inflection, in spirit It is restricted and cannot be provided under the conditions of set environment scientific and reasonable judgement and analysis in activity and continuity, is tested As a result also with the close relations such as the level of skill of construction personnel, careful degree.
Summary of the invention
In view of the deficiencies in the prior art, the purpose of the present invention is to provide a kind of annulars of more physical factor effects Track wheel track stress and Base pond experimental rig, can arbitrarily match temperature, humidity, wheel track pressure, steel wheel in range ability It is real to carry out mechanics under conditions of can freely select track board type, gradation base material and default disease model for travel speed Test examination, not only can in controlled range continuous analog actual loading environment, but also wheel track, track plates, substrate deformation can be can be visually seen Development and data rule are saved a large amount of human and material resources, financial resources that live large-scale in-situ test needs, are realized within the scope of subenvironment The acquisition of stress test authentic data, collection energy-saving and environmental protection, intelligent integrated laboratory testing rig.
A kind of the circular orbit wheel track stress and Base pond experimental rig of more physical factor effects, comprising: transparent environment Case outer cover 1, temperature control system 3, humidity control system 2, wheel borne control system, circular rails guidance tape 9, annular 7 and of rail runway Base layer structure 10;
The upper portion side wall in transparent environmental cabinet outer cover 1, the temperature control system 3 is arranged in the temperature control system 3 By the temperature value in temperature sensor senses experimental rig, the top of the transparent environmental cabinet outer cover 1 is equipped with ventilating heat supply System, the temperature control system 3 are regulated and controled by temperature of the ventilating heat supply system to experimental rig, the humid control system The middle part of sliding channel in transparent environmental cabinet outer cover 1 is arranged in system 2, and the humidity control system 2 passes through humidity sensor induced test The interior humidity of device, the humidity control system 2 are connect with water tank, and the humidity control system 2 fills test by water tank The humidity set is regulated and controled;
The wheel borne control system includes: 4, four pairs of steel wheels 8 of variable-ratio central rotating shaft, 5 and of Liftable hydraulic pivot structure Shaft-steel wheel attachment device 6;Four pairs of steel wheels 8 are connected by shaft-steel wheel attachment device 6 and variable-ratio central rotating shaft 4 It connects, four pairs of steel wheels 8 are mutually an angle of 90 degrees degree relationship, and the variable-ratio central rotating shaft 4 is arranged in transparent environmental cabinet outer cover 1 The lower end of heart position, the variable-ratio central rotating shaft 4 is equipped with Liftable hydraulic pivot structure 5,4 band of variable-ratio central rotating shaft Dynamic four pairs of steel wheels 8 act on annular rail runway 7, meanwhile, the variable-ratio central rotating shaft 4 passes through Liftable hydraulic shaft 5 Oscilaltion adjusts the pressure between steel wheel 8 and annular rail runway 7;
The annular rail runway 7 is arranged on circular rails guidance tape 9 by fastener, provides runway for steel wheel 8;The annular Track plates 9 are arranged on base layer structure 10;
The bottom in transparent environmental cabinet outer cover 1 is arranged in the base layer structure 10, and the base layer structure 10 includes: annular snap Slot, filling rolls different gradation base material in annular slot, and different types of default disease mould is arranged in base material Type 11.
On the basis of above scheme, in the required position of the annular rail runway 7, circular rails guidance tape 9 and base material Stress, strain data acquisition and monitoring device are installed, dynamic monitoring condition is provided.
On the basis of above scheme, the transparent environmental cabinet 1 tempering organic glass high and fine and close using intensity.
On the basis of above scheme, the circular rails guidance tape 9 can be prefabricated in advance, is changed to existing I type, II type, III Type track plates.
Beneficial effects of the present invention and further improvement lies in that:
(1) the circular orbit wheel track stress of more physical factor effects and Base pond experimental rig can be in range abilities Interior any apolegamy temperature, humidity, wheel track pressure, the analogue value of steel wheel travel speed, and under this condition in simulation test device Rail wheeling action and load action to substrate.
(2) the wheel borne control system drives four pairs of steel wheels for being mutually an angle of 90 degrees degree relationship to make by variable-ratio central rotating shaft For annular rail runway, Liftable hydraulic pivot structure is arranged in the lower end of the variable-ratio central rotating shaft, by going up and down steel wheel, The pressure between steel wheel and annular rail runway is adjusted, while being worked in endless track continuity from above.
(3) the circular rails guidance tape can be changed to existing I type, II type, III type track plates by prefabricated in advance, and Annular rail runway is arranged on circular rails guidance tape, provides runway for steel wheel, the base layer structure of circular rails guidance tape lower part passes through in ring Filling rolls different gradation base material in shape card slot, support and load releasing is provided for circular rails guidance tape, in base material Settable different types of default disease model, for circular rails of the research different diseases source under the effect of varying environment wheel load pressure Guidance tape stress performance, disease evolution etc. carry out experiment test, force environment can be not only simulated in controlled range, but also can be visually seen Base material deformation, the development of wheel track mechanical relationship, disease and data rule save a large amount of people that live large-scale in-situ test needs Power, material resources, financial resources realize within the scope of subenvironment stress test authentic data and acquire, collection energy-saving and environmental protection, intelligent one Recycle laboratory testing rig.
(4) the annular rail runway, circular rails guidance tape and base layer structure can be fixed with according to test data demand stress, The data acquisition devices such as strain transducer, and by way of concentration of transmissions, by data line and external data acquisition device It is connected.
Detailed description of the invention
The present invention has following attached drawing:
Fig. 1 is a kind of circular orbit wheel track stress of more physical factor effects of the present invention and the master of Base pond experimental rig Depending on structural schematic diagram;
Fig. 2 is a kind of circular orbit wheel track stress of more physical factors effects of the invention and bowing for Base pond experimental rig Depending on structural schematic diagram;
In figure: 1, transparent environmental cabinet outer cover;2, humidity control system;3, temperature control system;4, variable-ratio central rotating shaft; 5, Liftable hydraulic pivot structure;6, shaft-steel wheel attachment device;7, annular rail runway;8, steel wheel;9, circular rails guidance tape; 10, base layer structure;11, disease model is preset.
Specific embodiment
Below in conjunction with attached drawing 1-2, invention is further described in detail.
Referring to Fig.1, the circular orbit wheel track stress of more physical factor effects of the present invention and Base pond test fill Set, comprising: transparent environmental cabinet outer cover 1, temperature control system 3, humidity control system 2, wheel borne control system, circular rails guidance tape 9, Annular rail runway 7 and base layer structure 10;
The upper portion side wall in transparent environmental cabinet outer cover 1, the temperature control system 3 is arranged in the temperature control system 3 By the temperature value in temperature sensor senses experimental rig, the top of the transparent environmental cabinet outer cover 1 is equipped with ventilating heat supply System, the temperature control system 3 are regulated and controled by temperature of the ventilating heat supply system to experimental rig, the humid control system The middle part of sliding channel in transparent environmental cabinet outer cover 1 is arranged in system 2, and the humidity control system 2 passes through humidity sensor induced test The interior humidity of device, the humidity control system 2 are connect with water tank, and the humidity control system 2 fills test by water tank The humidity set is regulated and controled;
The wheel borne control system includes: 4, four pairs of steel wheels 8 of variable-ratio central rotating shaft, 5 and of Liftable hydraulic pivot structure Shaft-steel wheel attachment device 6;Four pairs of steel wheels 8 are connected by shaft-steel wheel attachment device 6 and variable-ratio central rotating shaft 4 It connects, four pairs of steel wheels 8 are mutually an angle of 90 degrees degree relationship, and the variable-ratio central rotating shaft 4 is arranged in transparent environmental cabinet outer cover 1 The lower end of heart position, the variable-ratio central rotating shaft 4 is equipped with Liftable hydraulic pivot structure 5, the variable-ratio central rotating shaft 4 Four pairs of steel wheels 8 are driven to act on annular rail runway 7, meanwhile, the variable-ratio central rotating shaft 4 passes through Liftable hydraulic shaft 5 oscilaltions adjust the pressure between steel wheel 8 and annular rail runway 7;
The annular rail runway 7 is arranged on circular rails guidance tape 9 by fastener, provides runway for steel wheel 8;The annular Track plates 9 are arranged on base layer structure 10;
The bottom in transparent environmental cabinet outer cover 1 is arranged in the base layer structure 10, and the base layer structure 10 includes: annular snap Slot, filling rolls different gradation base material in annular slot, and different types of default disease mould is arranged in base material Type 11.
On the basis of above scheme, in the required position of the annular rail runway 7, circular rails guidance tape 9 and base material Stress, strain data acquisition and monitoring device are installed, dynamic monitoring condition is provided.
On the basis of above scheme, the transparent environmental cabinet 1 tempering organic glass high and fine and close using intensity.
On the basis of above scheme, the circular rails guidance tape 9 can be prefabricated in advance, is changed to existing I type, II type, III Type track plates.
Such as without simulating disease development, different gradation base material can also be uniformly rolled, base layer structure 10 is formed.
The circular orbit wheel track stress and Base pond experimental rig of more physical factor effects of the present invention, can measure Temperature, humidity, wheel track pressure, steel wheel travel speed are arbitrarily matched within the scope of journey, can freely select track board type, grade aglucon Under conditions of bottom material and default disease model carry out experiment of machanics test, both can in controlled range continuous analog actual loading Environment, and wheel track, track plates, base material development of deformation and data rule can be can be visually seen, save live large-scale in-situ test A large amount of human and material resources for needing, financial resources, realize the authentic data acquisition of stress test within the scope of subenvironment, collection energy-saving and environmental protection, The laboratory testing rig of intelligent one.
Although embodiment of the present invention is described in conjunction with attached drawing above, the invention is not limited to above-mentioned Specific embodiment, above-mentioned specific embodiment are only schematical, directiveness, rather than restrictive.This field Those of ordinary skill under the enlightenment of this specification, in the case where not departing from the range that the claims in the present invention are protected, A variety of forms can also be made, these belong to the column of protection of the invention.
The content being not described in detail in this specification belongs to the prior art well known to professional and technical personnel in the field.

Claims (4)

1. a kind of the circular orbit wheel track stress and Base pond experimental rig of more physical factor effects characterized by comprising Transparent environmental cabinet outer cover (1), temperature control system (3), humidity control system (2), wheel borne control system, circular rails guidance tape (9), Annular rail runway (7) and base layer structure (10);
The upper portion side wall that the temperature control system (3) is arranged in transparent environmental cabinet outer cover (1), the temperature control system (3) by the temperature value in temperature sensor senses experimental rig, the top of the transparent environmental cabinet outer cover (1) is equipped with ventilation Heating system, the temperature control system (3) are regulated and controled by temperature of the ventilating heat supply system to experimental rig, the humidity The middle part of sliding channel that control system (2) is arranged in transparent environmental cabinet outer cover (1), the humidity control system (2) are passed by humidity The interior humidity of sensor induced test device, the humidity control system (2) connect with water tank, the humidity control system (2) Regulated and controled by humidity of the water tank to experimental rig;
The wheel borne control system includes: variable-ratio central rotating shaft (4), four pairs of steel wheels (8), Liftable hydraulic pivot structure (5) With shaft-steel wheel attachment device (6);Four pairs of steel wheels (8) pass through shaft-steel wheel attachment device (6) and variable-ratio center Shaft (4) connection, four pairs of steel wheels (8) are mutually an angle of 90 degrees degree relationship, and the variable-ratio central rotating shaft (4) is arranged in transparent ring The lower end of the center of border case outer cover (1), the variable-ratio central rotating shaft (4) is equipped with Liftable hydraulic pivot structure (5), institute Stating variable-ratio central rotating shaft (4) drives four pairs of steel wheels (8) to act on annular rail runway (7), meanwhile, the variable-ratio center Shaft (4) adjusts the pressure between steel wheel (8) and annular rail runway (7) by Liftable hydraulic shaft (5) oscilaltion;
The annular rail runway (7) is arranged on circular rails guidance tape (9) by fastener, provides runway for steel wheel (8);The ring Shape track plates (9) are arranged on base layer structure (10);
The bottom that the base layer structure (10) is arranged in transparent environmental cabinet outer cover (1), the base layer structure (10) includes: annular Card slot, filling rolls different gradation base material in annular slot, and different types of default disease is arranged in base material Model (11).
2. the circular orbit wheel track stress and Base pond experimental rig of more physical factor effects as described in claim 1, It is characterized in that, in the required position setting stress of the annular rail runway (7), circular rails guidance tape (9) and base material, strain Data acquisition and monitoring device, provide dynamic monitoring condition.
3. the circular orbit wheel track stress and Base pond experimental rig of more physical factor effects as described in claim 1, It is characterized in that, the transparent environmental cabinet (1) the tempering organic glass high and fine and close using intensity.
4. the circular orbit wheel track stress and Base pond experimental rig of more physical factor effects as described in claim 1, It is characterized in that, the circular rails guidance tape (9) can be prefabricated in advance.
CN201811329428.5A 2018-11-09 2018-11-09 Annular rail wheel rail stress and base disease test device with multi-physical factor effect Active CN109490064B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110849756A (en) * 2019-11-18 2020-02-28 华东交通大学 High/low temperature integrated test device with controllable environmental temperature
CN116380663A (en) * 2023-04-14 2023-07-04 同济大学 Rail plate fatigue damage research test device and evaluation method
CN117943939A (en) * 2024-03-27 2024-04-30 西南交通大学 Test device based on passive peak clipping and polishing

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101706364A (en) * 2009-11-19 2010-05-12 晋西铁路车辆有限责任公司 Device for carrying out running-in detection on bearings on railway wagon wheel pair
CN102109419A (en) * 2010-12-18 2011-06-29 浙江大学 Loading simulation system of running load of high-speed railway train
CN102288227A (en) * 2011-08-03 2011-12-21 四川丹甫制冷压缩机股份有限公司 Rotary sand dust test device
CN103063451A (en) * 2012-12-26 2013-04-24 浙江大学 Rail transit train wholly moving load analog loading method and device
KR101734376B1 (en) * 2017-03-13 2017-05-12 (주)세영통신 Device for detecting of crack on rail
CN207336077U (en) * 2017-08-30 2018-05-08 上海申通地铁集团有限公司 Wheel set bearing engaging experimental bench

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101706364A (en) * 2009-11-19 2010-05-12 晋西铁路车辆有限责任公司 Device for carrying out running-in detection on bearings on railway wagon wheel pair
CN102109419A (en) * 2010-12-18 2011-06-29 浙江大学 Loading simulation system of running load of high-speed railway train
CN102288227A (en) * 2011-08-03 2011-12-21 四川丹甫制冷压缩机股份有限公司 Rotary sand dust test device
CN103063451A (en) * 2012-12-26 2013-04-24 浙江大学 Rail transit train wholly moving load analog loading method and device
KR101734376B1 (en) * 2017-03-13 2017-05-12 (주)세영통신 Device for detecting of crack on rail
CN207336077U (en) * 2017-08-30 2018-05-08 上海申通地铁集团有限公司 Wheel set bearing engaging experimental bench

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110849756A (en) * 2019-11-18 2020-02-28 华东交通大学 High/low temperature integrated test device with controllable environmental temperature
CN116380663A (en) * 2023-04-14 2023-07-04 同济大学 Rail plate fatigue damage research test device and evaluation method
CN116380663B (en) * 2023-04-14 2024-03-15 同济大学 Rail plate fatigue damage research test device and evaluation method
CN117943939A (en) * 2024-03-27 2024-04-30 西南交通大学 Test device based on passive peak clipping and polishing

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