CN109969205A - A kind of unpiloted track neutron nondestructive test vehicle - Google Patents

A kind of unpiloted track neutron nondestructive test vehicle Download PDF

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Publication number
CN109969205A
CN109969205A CN201910350050.5A CN201910350050A CN109969205A CN 109969205 A CN109969205 A CN 109969205A CN 201910350050 A CN201910350050 A CN 201910350050A CN 109969205 A CN109969205 A CN 109969205A
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CN
China
Prior art keywords
neutron
detection
scintillator
track
unpiloted
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910350050.5A
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Chinese (zh)
Inventor
钱铁威
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Taiwei accelerator Co., Ltd
Original Assignee
Beijing Zhongbaiyuan International Science And Technology Innovation Research Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by Beijing Zhongbaiyuan International Science And Technology Innovation Research Co Ltd filed Critical Beijing Zhongbaiyuan International Science And Technology Innovation Research Co Ltd
Priority to CN201910350050.5A priority Critical patent/CN109969205A/en
Publication of CN109969205A publication Critical patent/CN109969205A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61DBODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D15/00Other railway vehicles, e.g. scaffold cars; Adaptations of vehicles for use on railways
    • B61D15/08Railway inspection trolleys
    • B61D15/12Railway inspection trolleys power propelled
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61KAUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
    • B61K9/00Railway vehicle profile gauges; Detecting or indicating overheating of components; Apparatus on locomotives or cars to indicate bad track sections; General design of track recording vehicles
    • B61K9/08Measuring installations for surveying permanent way
    • B61K9/10Measuring installations for surveying permanent way for detecting cracks in rails or welds thereof
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
    • G01N23/005Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by using neutrons

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Transportation (AREA)
  • Health & Medical Sciences (AREA)
  • Measurement Of Radiation (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)

Abstract

The invention discloses a kind of unpiloted track neutron nondestructive test vehicles, including the compartment that can be travelled in orbit, neutron emitting source are equipped in the compartment, the neutron emitting source can be to the orbit launching neutron beam of car bottom;It further include neutron detection device, the neutron detection device includes the light that neutron detection scintillator is issued with detection from the neutron detection scintillator and the photodetector for being converted into electric signal, photodetector has multiple optical fiber and multiple photodetectors, multiple optical fiber correspond to multiple positions setting of the incidence surface of neutron detection scintillator, multiple photodetectors are arranged corresponding to multiple optical fiber, neutron measurement device is connect with photodetector, neutron measurement device is used to record the number of light emission times of photodetector, the bottom in compartment is arranged in scintillator for neutron detection, the incidence surface of neutron detection scintillator is arranged towards track, neutron detection scintillator is located at the rear of outgoing neutron beam in carriage movements direction.

Description

A kind of unpiloted track neutron nondestructive test vehicle
Technical field
The present invention relates to high-speed rails, the detection device technical field of track for a train, and in particular to a kind of unpiloted track Neutron nondestructive test vehicle.
Background technique
The rail of train driving needs regularly to be detected, and just can guarantee the quality of track, reduces the generation of accident.It is logical Often it will appear rail head of rail inner transverse fatigue crack, this damage problem once caused many broken rail accidents.
Existing rail detector car, one is hand push inspection cars, since hand push inspection car is manually to use hand push in rail On slowly detection track the problem of, not only speed of detection is slow for this hand push inspection car, inefficiency, and due to being artificial gait Row operation, when thering is train driving to pass through, it has to suspend detection operations, it is in the actual operation process, very inconvenient.
Summary of the invention
Aiming at the problem that being pointed out in background technique, the present invention provides a kind of unpiloted track neutron nondestructive test vehicle, Easy to detect, efficient work.
A kind of unpiloted track neutron nondestructive test vehicle is set in the compartment including the compartment that can be travelled in orbit There is neutron emitting source, the neutron emitting source can be to the orbit launching neutron beam of car bottom;It further include neutron detection device, The neutron detection device includes the light that neutron detection scintillator is issued with detection from the neutron detection scintillator and will Its photodetector for being converted to electric signal, photodetector have multiple optical fiber and multiple photodetectors, during multiple optical fiber are corresponding Multiple positions setting of the incidence surface of son detection scintillator, multiple photodetectors are arranged corresponding to multiple optical fiber, neutron Measuring device is connect with photodetector, and neutron measurement device is used to record the number of light emission times of photodetector, and neutron detection is used The bottom in compartment is arranged in scintillator, and the incidence surface of neutron detection scintillator is arranged towards track, neutron detection flashing Body is located at the rear of outgoing neutron beam in carriage movements direction.
The present invention is further arranged to, and the neutron emitting source includes the charged particle source for being sequentially connected setting, adds Fast device, ion beam adjuster, target further include container and tubular shielding component, and target is arranged inside container, and tubular shielding component is set It sets at the NEUTRON EMISSION end of container, tubular shielding component is vertically arranged, and the lower end of tubular shielding component passes through car bottom and right Track is answered to be arranged.
The present invention is further arranged to, and there are two the neutron emitting source is set, two neutron emitting sources are respectively corresponded Two tracks setting, there are two corresponding neutron detection device is also provided with.
The present invention is further arranged to, and the compartment is made of radiation proof material.
The present invention is further arranged to, and the neutron detection scintillator and tubular shielding component are in carriage movements side To distance can be adjusted.
The present invention is further arranged to, and it further includes computing device, at data that the neutron measurement device, which is counter, Manage equipment, storage equipment.The data that neutron measurement device measures are sent to computing device and data processing equipment, to the data into Row processing, and obtain detection structure, it is ultimately stored in storage equipment.
Beneficial effects of the present invention:
Unpiloted track neutron nondestructive test vehicle provided herein can be travelled independently in orbit, Neutron emitting source in traveling in compartment is by orbit launching neutron beam of the tubular shielding structure to car bottom, in directive track Beamlet can occur reflection and be received by neutron detection with scintillator, and when track, which exists, to be damaged, neutron detection is received with scintillator It will have greatly changed to neutron population, so that it can be seen that track is with the presence or absence of damage.
Detailed description of the invention
One of Fig. 1 is the structural diagram of the present invention;
Fig. 2 is second structural representation of the invention;
Fig. 3 is the structural schematic diagram of neutron detection device of the present invention.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Implement below Example is not intended to limit the scope of the invention for illustrating the present invention.
Below with reference to Fig. 1 to Fig. 3, the present invention will be described.
A kind of unpiloted track neutron nondestructive test vehicle, including the compartment 1 that can be travelled in orbit, in the compartment 1 Equipped with neutron emitting source, the neutron emitting source can be to the orbit launching neutron beam of 1 bottom of compartment.
It further include neutron detection device, the neutron detection device includes neutron detection scintillator 2 and detects from this The light of the sending of neutron detection scintillator 2 and the photodetector for being converted into electric signal, photodetector have multiple optical fiber 31 It is arranged with multiple positions of multiple photodetectors 32, the incidence surface of the corresponding neutron detection scintillator 2 of multiple optical fiber 31, it is more A photodetector 32 is arranged corresponding to multiple optical fiber 31, and neutron detection device further includes neutron measurement device 4, neutron measurement dress It sets 4 to connect with photodetector 32, neutron measurement device 4 is used to record the number of light emission times of photodetector 32, and neutron detection is used The bottom in compartment 1 is arranged in scintillator 2, and the incidence surface of neutron detection scintillator 2 is arranged towards track, and neutron detection is dodged Bright body 2 is located at the rear of outgoing neutron beam in 1 direction of motion of compartment.
Neutron beam directive track, track reflect neutron again, since compartment is the movement that goes ahead, so being located at neutron beam The neutron detection scintillator 2 at rear can just receive the neutron beam of reflection, to have the function that detection.
Wherein, the neutron emitting source includes the charged particle source 10, accelerator 20, ion beam tune for being sequentially connected setting Device 30, target 40 are saved, further includes container 50 and tubular shielding component 60, target 40 is arranged inside container 50, tubular shielding component 60 The NEUTRON EMISSION end of container 50 is set, and tubular shielding component 60 is vertically arranged, and the lower end of tubular shielding component 60 passes through compartment 1 Bottom and respective carter setting.
Charged particle source 10 generates proton, and accelerator 20 has multiple accelerators, for continuously accelerating by charged particle The proton that source 10 generates has 1MeV or higher energy, ion beam by the proton that accelerator 20 accelerates in preferred embodiments Adjuster 30 has multiple field coils, for adjusted according to target 40 proton beam accelerated by ion beam adjuster 30 direction and Extension, the proton beam across ion beam adjuster 30 generate neutron, target on target 40, through the reaction between proton and target 40 40 be placed on can not hardly in the container 50 that is formed of material of transmission neutron, the outer surface of container 50 formed is penetrated into it is internal Hole, tubular shielding component 60 are connected at the hole, and tubular shielding component 60 is formed by the material for being difficult to transmit neutron, in target 40 The neutron of generation passes through tubular shielding component 60, and becomes the pulsed neutron beam being incident in check object.
Wherein, there are two the neutron emitting source is set, two neutron emitting sources respectively correspond two track settings, corresponding Neutron detection device be also provided with there are two.The corresponding detection two of the technical solution, two neutron emitting sources and neutron detection device A track.
Wherein, the compartment 1 is made of radiation proof material, since spoke may occur in the reaction for neutron emitting source It penetrates, it is therefore necessary to carry out radiation isolation by compartment.
Wherein, the neutron detection scintillator 2 and tubular shielding component 60 can be at a distance from 1 direction of motion of compartment Row is adjusted, and neutron detection can be carried out with the distance between scintillator 2 and tubular shielding component 60 according to the mobile speed in compartment Adjustment, when actually detected, the mobile speed in compartment is unsuitable too fast.
Wherein, the neutron measurement device 4 is counter, further includes computing device 21, data processing equipment 22, storage Equipment 23.The data that neutron measurement device 4 measures are sent to computing device 21 and data processing equipment 22, at the data Reason, and obtain detection structure, it is ultimately stored in storage equipment 23.
Beneficial effects of the present invention:
Unpiloted track neutron nondestructive test vehicle provided herein can be travelled independently in orbit, Neutron emitting source in traveling in compartment 1 passes through orbit launching neutron beam of the tubular shielding structure to 1 bottom of compartment, directive track Neutron beam can occur reflection and be received by neutron detection scintillator 2, when track, which exists, to be damaged, neutron detection scintillator 2 Receiving neutron population will have greatly changed, so that it can be seen that track is with the presence or absence of damage.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art For member, without departing from the technical principles of the invention, several improvements and modifications can also be made, above-mentioned hypothesis these Improvement and modification also should be regarded as protection scope of the present invention.

Claims (6)

1. a kind of unpiloted track neutron nondestructive test vehicle, it is characterised in that: described including the compartment that can be travelled in orbit Neutron emitting source is equipped in compartment, the neutron emitting source can be to the orbit launching neutron beam of car bottom;It further include neutron Detection device, the neutron detection device include that neutron detection scintillator and detection are issued from the neutron detection with scintillator Light and be converted into the photodetector of electric signal, photodetector has multiple optical fiber and multiple photodetectors, Duo Geguang Multiple positions setting of the incidence surface of the corresponding neutron detection scintillator of fibre, multiple photodetectors correspond to multiple optical fiber and set It sets, neutron measurement device is connect with photodetector, and neutron measurement device is used to record the number of light emission times of photodetector, neutron The bottom in compartment is arranged in scintillator for detection, and the incidence surface of neutron detection scintillator is arranged towards track, neutron detection It is located at the rear of outgoing neutron beam in carriage movements direction with scintillator.
2. a kind of unpiloted track neutron nondestructive test vehicle according to claim 1, it is characterised in that: the neutron hair The source of penetrating includes the charged particle source for being sequentially connected setting, accelerator, ion beam adjuster, target, further includes container and tubular shielding Component, target are arranged inside container, and the NEUTRON EMISSION end of container is arranged in tubular shielding component, and tubular shielding component is set vertically It sets, the lower end of tubular shielding component passes through car bottom and respective carter setting.
3. a kind of unpiloted track neutron nondestructive test vehicle according to claim 1 or 2, it is characterised in that: in described There are two sub- emission source is set, two neutron emitting sources respectively correspond two track settings, and corresponding neutron detection device is also provided with There are two.
4. a kind of unpiloted track neutron nondestructive test vehicle according to claim 3, it is characterised in that: the compartment by Radiation proof material is made.
5. a kind of unpiloted track neutron nondestructive test vehicle according to claim 3, it is characterised in that: the neutron inspection Survey scintillator can be adjusted at a distance from carriage movements direction with tubular shielding component.
6. a kind of unpiloted track neutron nondestructive test vehicle according to claim 3, it is characterised in that: the neutron moisture Amount device is counter, further includes computing device, data processing equipment, storage equipment.The data hair that neutron measurement device measures Computing device and data processing equipment are given, which is handled, and obtain detection structure, storage equipment is ultimately stored on In.
CN201910350050.5A 2019-04-28 2019-04-28 A kind of unpiloted track neutron nondestructive test vehicle Pending CN109969205A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910350050.5A CN109969205A (en) 2019-04-28 2019-04-28 A kind of unpiloted track neutron nondestructive test vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910350050.5A CN109969205A (en) 2019-04-28 2019-04-28 A kind of unpiloted track neutron nondestructive test vehicle

Publications (1)

Publication Number Publication Date
CN109969205A true CN109969205A (en) 2019-07-05

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102826096A (en) * 2012-09-14 2012-12-19 宝鸡南车时代工程机械有限公司 Multifunctional inspection detecting vehicle used for railway steel rail
CN104176077A (en) * 2014-08-22 2014-12-03 南车戚墅堰机车有限公司 Rail flaw detection vehicle for subway
CN109406548A (en) * 2018-12-12 2019-03-01 北京中百源国际科技创新研究有限公司 A kind of neutron detection device for Water quality detection
CN210062979U (en) * 2019-04-28 2020-02-14 广东太微加速器有限公司 Unmanned rail neutron flaw detection vehicle

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102826096A (en) * 2012-09-14 2012-12-19 宝鸡南车时代工程机械有限公司 Multifunctional inspection detecting vehicle used for railway steel rail
CN104176077A (en) * 2014-08-22 2014-12-03 南车戚墅堰机车有限公司 Rail flaw detection vehicle for subway
CN109406548A (en) * 2018-12-12 2019-03-01 北京中百源国际科技创新研究有限公司 A kind of neutron detection device for Water quality detection
CN210062979U (en) * 2019-04-28 2020-02-14 广东太微加速器有限公司 Unmanned rail neutron flaw detection vehicle

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Effective date of registration: 20200110

Address after: 523808 room 310, building 1, No. 8, South Industrial Road, Songshanhu Park, Dongguan City, Guangdong Province

Applicant after: Guangdong Taiwei accelerator Co., Ltd

Address before: 101149 Beijing Tongzhou Canal Core Area IV-07 Block Greenbelt Building, 22 Floors 21389

Applicant before: Beijing Zhongbaiyuan International Science and Technology Innovation Research Co., Ltd.

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