CN210062979U - Unmanned rail neutron flaw detection vehicle - Google Patents
Unmanned rail neutron flaw detection vehicle Download PDFInfo
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- CN210062979U CN210062979U CN201920597013.XU CN201920597013U CN210062979U CN 210062979 U CN210062979 U CN 210062979U CN 201920597013 U CN201920597013 U CN 201920597013U CN 210062979 U CN210062979 U CN 210062979U
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Abstract
The utility model discloses an unmanned rail neutron flaw detection vehicle, which comprises a carriage capable of running on a rail, wherein a neutron emitting source is arranged in the carriage, and the neutron emitting source can emit neutron beams to the rail at the bottom of the carriage; the neutron detection device comprises a scintillator for neutron detection and a light detector for detecting light emitted from the scintillator for neutron detection and converting the light into an electric signal, the light detector is provided with a plurality of optical fibers and a plurality of light detection elements, the optical fibers are arranged at a plurality of positions corresponding to the incident surface of the scintillator for neutron detection, the light detection elements are arranged corresponding to the optical fibers, the neutron measurement device is connected with the light detection elements and used for recording the light emitting times of the light detection elements, the scintillator for neutron detection is arranged at the bottom of a carriage, the incident surface of the scintillator for neutron detection faces to the track, and the scintillator for neutron detection is positioned behind an emergent neutron beam in the moving direction of the carriage.
Description
Technical Field
The utility model relates to a high-speed railway, the orbital check out test set technical field of train, concretely relates to unmanned track neutron flaw detection car.
Background
The rail that the train went need regularly to detect, just can guarantee the quality of track, reduces the emergence of accident. Transverse fatigue cracks inside the rail head often occur, and the damage problem has caused many rail break accidents.
The conventional rail flaw detection vehicle is a hand-push flaw detection vehicle, and the hand-push flaw detection vehicle has the problems that the hand-push flaw detection vehicle is required to be manually pushed to slowly detect a rail on a steel rail, so that the hand-push flaw detection vehicle is low in detection speed and low in efficiency, and is manually operated, when a train runs through the rail, the detection work has to be stopped, and the hand-push flaw detection vehicle is very inconvenient in the actual operation process.
SUMMERY OF THE UTILITY MODEL
To the problem pointed out in the background art, the utility model provides an unmanned track neutron flaw detection car, it detects convenience, work high efficiency.
An unmanned rail neutron flaw detection vehicle comprises a carriage capable of running on a rail, wherein a neutron emitting source is arranged in the carriage and can emit neutron beams to the rail at the bottom of the carriage; the neutron detection device comprises a scintillator for neutron detection and a light detector for detecting light emitted from the scintillator for neutron detection and converting the light into an electric signal, the light detector is provided with a plurality of optical fibers and a plurality of light detection elements, the optical fibers are arranged at a plurality of positions corresponding to the incident surface of the scintillator for neutron detection, the light detection elements are arranged corresponding to the optical fibers, the neutron measurement device is connected with the light detection elements and used for recording the light emitting times of the light detection elements, the scintillator for neutron detection is arranged at the bottom of a carriage, the incident surface of the scintillator for neutron detection faces to the track, and the scintillator for neutron detection is positioned behind an emergent neutron beam in the moving direction of the carriage.
The utility model discloses still further set up to, the neutron emission source including connect gradually the charged particle source, accelerator, ion beam regulator, the target that sets up, still include container and tubulose shielding component, the target setting is inside the container, tubulose shielding component sets up at the neutron transmitting terminal of container, the vertical setting of tubulose shielding component, the lower extreme of tubulose shielding component passes the carriage bottom and corresponds the track setting.
The utility model discloses still further set up to, neutron emission source be equipped with two, two neutron emission sources correspond two track settings respectively, the neutron detection device that corresponds also is provided with two.
The utility model discloses still further set up to, the carriage make by radiation protection material.
The utility model discloses still further set up to, neutron detect with scintillator and tubulose shielding member can adjust at the distance of carriage direction of motion.
The utility model discloses still further set up to, neutron measuring device be the counter, still include computing device, data processing equipment, storage equipment, the data transmission that neutron measuring device surveyed gives computing device and data processing equipment, handles this data to reach and detect the structure, the storage is in storage equipment at last.
The utility model has the advantages that:
the utility model provides an unmanned track neutron flaw detection car, it can be autonomic go on going on the track, and the neutron emission source in the carriage passes through tubular shielding structure and launches the neutron beam to the track of carriage bottom in going, and the neutron beam of directive track can take place to reflect and be received by scintillator for neutron detection, and when the track has the damage, scintillator for neutron detection received neutron number will take place great change to can know whether the track has the damage.
Drawings
Fig. 1 is one of the schematic structural diagrams of the present invention;
fig. 2 is a second schematic structural diagram of the present invention;
fig. 3 is the structural schematic diagram of the neutron detection device of the present invention.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
The present invention will be described below with reference to fig. 1 to 3.
An unmanned rail neutron flaw detection vehicle comprises a carriage 1 capable of running on a rail, wherein a neutron emitting source is arranged in the carriage 1, and the neutron emitting source can emit neutron beams to the rail at the bottom of the carriage 1.
The neutron detection device comprises a neutron detection scintillator 2 and a light detector which detects light emitted from the neutron detection scintillator 2 and converts the light into an electric signal, the light detector is provided with a plurality of optical fibers 31 and a plurality of light detection elements 32, the optical fibers 31 are arranged at a plurality of positions corresponding to the incident surface of the neutron detection scintillator 2, the light detection elements 32 are arranged corresponding to the optical fibers 31, the neutron detection device further comprises a neutron measurement device 4, the neutron measurement device 4 is connected with the light detection elements 32, the neutron measurement device 4 is used for recording the number of times of light emission of the light detection elements 32, the neutron detection scintillator 2 is arranged at the bottom of the carriage 1, the incident surface of the neutron detection scintillator 2 is arranged towards a track, and the neutron detection scintillator 2 is positioned behind an emitted neutron beam in the moving direction of the carriage 1.
The neutron beam is emitted to the rail, the rail reflects neutrons, and the vehicle moves forward, so that the neutron detection scintillator 2 positioned behind the neutron beam can just receive the reflected neutron beam, thereby achieving the detection effect.
The neutron emission source comprises a charged particle source 10, an accelerator 20, an ion beam regulator 30 and a target 40 which are sequentially connected, and further comprises a container 50 and a tubular shielding member 60, wherein the target 40 is arranged inside the container 50, the tubular shielding member 60 is arranged at the neutron emission end of the container 50, the tubular shielding member 60 is vertically arranged, and the lower end of the tubular shielding member 60 penetrates through the bottom of the carriage 1 and corresponds to a track.
The charged particle source 10 generates protons, the accelerator 20 has a plurality of accelerators for successively accelerating the protons generated by the charged particle source 10, in the preferred embodiment, the protons accelerated by the accelerator 20 have an energy of 1MeV or higher, the ion beam adjuster 30 has a plurality of magnetic field coils, for adjusting the direction and spread of the proton beam accelerated by the ion beam adjuster 30 according to the target 40, the proton beam passing through the ion beam adjuster 30 is incident on the target 40, neutrons are generated by a reaction between the protons and the target 40, the target 40 is placed inside a container 50 formed of a material that hardly transmits neutrons, an outer surface of the container 50 forms a hole penetrating to the inside, a tubular shield member 60 is attached at the hole, the tubular shield member 60 is formed of a material that hardly transmits neutrons, neutrons generated in the target 40 pass through the tubular shielding member 60 and become a pulsed neutron beam incident on the inspection object.
The neutron emitting sources are two, the two neutron emitting sources correspond to the two tracks respectively, and the corresponding neutron detection devices are also two. According to the technical scheme, the two neutron emitting sources and the neutron detection device correspondingly detect the two tracks.
The vehicle cabin 1 is made of radiation-proof materials, and radiation isolation is required to be performed through the vehicle cabin because a neutron emission source can generate radiation in a reaction.
The distance between the neutron detection scintillator 2 and the tubular shielding member 60 in the moving direction of the carriage 1 can be adjusted, the distance between the neutron detection scintillator 2 and the tubular shielding member 60 can be adjusted according to the moving speed of the carriage, and the moving speed of the carriage is not too high during actual detection.
The neutron measurement device 4 is a counter, and further includes a calculation device 21, a data processing device 22, and a storage device 23. The data measured by the neutron measurement device 4 are sent to the calculation device 21 and the data processing device 22, processed, and the detection structure is obtained and finally stored in the storage device 23.
The utility model has the advantages that:
the utility model provides an unmanned track neutron flaw detection car, it can be autonomic go on the track and go, and the neutron emission source in the carriage 1 of going passes through tubular shielding structure and launches the neutron beam to the track of carriage 1 bottom, and the neutron beam of directive track can take place to reflect and be received by scintillator 2 for neutron detection, and when the track has the damage, scintillator 2 for neutron detection received neutron number will take place great change to can know whether the track has the damage.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations of the above assumption should also be regarded as the protection scope of the present invention.
Claims (6)
1. The utility model provides an unmanned track neutron flaw detection car which characterized in that: the neutron emission source can emit neutron beams to the rail at the bottom of the carriage; the neutron detection device comprises a scintillator for neutron detection and a light detector for detecting light emitted from the scintillator for neutron detection and converting the light into an electric signal, the light detector is provided with a plurality of optical fibers and a plurality of light detection elements, the optical fibers are arranged at a plurality of positions corresponding to the incident surface of the scintillator for neutron detection, the light detection elements are arranged corresponding to the optical fibers, the neutron measurement device is connected with the light detection elements and used for recording the light emitting times of the light detection elements, the scintillator for neutron detection is arranged at the bottom of a carriage, the incident surface of the scintillator for neutron detection faces to the track, and the scintillator for neutron detection is positioned behind an emergent neutron beam in the moving direction of the carriage.
2. The unmanned in-orbit neutron flaw detection vehicle of claim 1, wherein: the neutron emission source comprises a charged particle source, an accelerator, an ion beam regulator and a target which are sequentially connected and arranged, and further comprises a container and a tubular shielding member, wherein the target is arranged in the container, the tubular shielding member is arranged at a neutron emission end of the container, the tubular shielding member is vertically arranged, and the lower end of the tubular shielding member penetrates through the bottom of the carriage and corresponds to the track.
3. The unmanned in-orbit neutron flaw detection vehicle of claim 1 or 2, wherein: the neutron emitting source be equipped with two, two neutron emitting sources correspond two track settings respectively, the neutron detection device that corresponds also is provided with two.
4. The unmanned in-orbit neutron flaw detection vehicle of claim 3, wherein: the carriage is made of radiation-proof materials.
5. The unmanned in-orbit neutron flaw detection vehicle of claim 3, wherein: the distance between the neutron detection scintillator and the tubular shielding component in the moving direction of the carriage can be adjusted.
6. The unmanned in-orbit neutron flaw detection vehicle of claim 3, wherein: the neutron measuring device is a counter and further comprises a calculating device, data processing equipment and storage equipment, data measured by the neutron measuring device are sent to the calculating device and the data processing equipment, the data are processed, a detection structure is obtained, and finally the detection structure is stored in the storage equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920597013.XU CN210062979U (en) | 2019-04-28 | 2019-04-28 | Unmanned rail neutron flaw detection vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920597013.XU CN210062979U (en) | 2019-04-28 | 2019-04-28 | Unmanned rail neutron flaw detection vehicle |
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| Publication Number | Publication Date |
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| CN210062979U true CN210062979U (en) | 2020-02-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920597013.XU Active CN210062979U (en) | 2019-04-28 | 2019-04-28 | Unmanned rail neutron flaw detection vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109969205A (en) * | 2019-04-28 | 2019-07-05 | 北京中百源国际科技创新研究有限公司 | A kind of unpiloted track neutron nondestructive test vehicle |
-
2019
- 2019-04-28 CN CN201920597013.XU patent/CN210062979U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109969205A (en) * | 2019-04-28 | 2019-07-05 | 北京中百源国际科技创新研究有限公司 | A kind of unpiloted track neutron nondestructive test vehicle |
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