CN112799121B - Movable track type experiment platform for gamma radiation detector - Google Patents
Movable track type experiment platform for gamma radiation detector Download PDFInfo
- Publication number
- CN112799121B CN112799121B CN202011418431.1A CN202011418431A CN112799121B CN 112799121 B CN112799121 B CN 112799121B CN 202011418431 A CN202011418431 A CN 202011418431A CN 112799121 B CN112799121 B CN 112799121B
- Authority
- CN
- China
- Prior art keywords
- guide rail
- gamma radiation
- radiation detector
- driving
- base
- 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.)
- Active
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T7/00—Details of radiation-measuring instruments
- G01T7/005—Details of radiation-measuring instruments calibration techniques
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Abstract
The invention provides a movable track type experimental platform for a gamma radiation detector, which can realize the testing of different distances, different angles and different moving speeds of a single source or a mixed radiation source. The movable rail-mounted experimental platform of the gamma radiation detector comprises a base and a supporting seat, wherein a semicircular chute is arranged on the base; a fixed rotating shaft is arranged at the center of the semicircular sliding groove; a turntable is sleeved on the fixed rotating shaft; an extension supporting table is arranged at one end of the base; a driving gear for driving the turntable to rotate is arranged above the extension supporting table; a driving device for driving the driving gear to rotate is arranged below the extension supporting table; the turntable is provided with a first guide rail; a sliding table is arranged on the first guide rail; a vertical telescopic device is arranged above the sliding table; and a clamping device is arranged above the vertical telescopic device. The movable track type experiment platform of the gamma radiation detector can be used for adjusting the position of the radioactive source in real time, so that the radioactive source can be detected in multiple dimensions.
Description
Technical Field
The invention relates to a detection device of a radioactive source, in particular to a movable track type experiment platform of a gamma radiation detector.
Background
It is well known that: the nuclide identification is used as an important technical means for early qualitative screening and detection of radioactivity, and plays an extremely important role in the nuclear safety fields of environmental radiation measurement, nuclear retirement, nuclear emergency, prevention of illegal transportation and leakage of nuclear materials and the like.
The gamma radiation detector is the main detection device for nuclide identification, and in practical situations, the radioactive substance to be detected is in an unknown state and position, and the gamma radiation detector needs to be calibrated and tested in advance.
The current calibration method and equipment mainly adopt fixed-point standard radioactive source test, have no unified form, have no known movable gamma radiation detection experimental platform, and lack an automatic, multidimensional and movable calibration experimental platform.
Disclosure of Invention
The invention aims to provide a movable rail type experimental platform for a gamma radiation detector, which can realize the testing of different distances, different angles and different moving speeds of a single source or a mixed radiation source.
The technical scheme adopted for solving the technical problems is as follows: the movable rail type experiment platform of the gamma radiation detector comprises a base and a supporting seat, wherein a semicircular chute is arranged on the base;
a fixed rotating shaft is arranged at the center of the semicircular sliding groove; a turntable is sleeved on the fixed rotating shaft; an extension supporting table is arranged at one end of the base; a driving gear is arranged above the extension supporting table;
a driving device for driving the driving gear to rotate is arranged below the extension supporting table; a gear ring is arranged on the outer side of the turntable; the driving gear is meshed with the gear ring at the outer side of the turntable;
the turntable is provided with a first guide rail; a sliding shaft is arranged below the first guide rail; the sliding shaft is inserted into the sliding groove; the sliding shaft is sleeved with a roller; the roller is matched with the chute;
one end of the first guide rail is connected with the turntable; the other end is arranged on the supporting seat; the lower end of the supporting seat is provided with a second roller;
a sliding table is arranged on the first guide rail; a vertical telescopic device is arranged above the sliding table; a clamping device is arranged above the vertical telescopic device;
the clamping device comprises a bottom plate; fixing plates are arranged on two sides of the bottom plate; a clamping groove is formed between the two fixing plates; two clamping plates are arranged in the clamping groove; a radioactive source is arranged between the two clamping plates;
the clamping plate is provided with a guide post; the guide post penetrates through the fixing plate; the fixing plate is provided with a locking bolt; the locking bolt passes through the fixing plate to tightly prop against the clamping plate; and a gamma radiation detector is arranged at the center position above the fixed rotating shaft.
Further, one end of the first guide rail is provided with a second guide rail; one end of the second guide rail is positioned on the supporting seat;
one side of one end of the second guide rail is hinged with one side of one end of the first guide rail; an inserting block is arranged on the other side of one end of the second guide rail; the other side of one end of the first guide rail is provided with a slot matched with the insertion block.
Furthermore, one side of the first guide rail and one side of the second guide rail are provided with scales.
Preferably, the vertical telescopic device adopts an electric push rod.
Preferably, the second roller adopts a universal wheel.
Further, a cavity is arranged below the base.
Preferably, the driving device adopts a driving motor.
The beneficial effects of the invention are as follows: according to the movable rail type experiment platform for the gamma radiation detector, as the rail capable of rotating along with the turntable is arranged, and the sliding table is arranged on the rail, the vertical telescopic device is arranged on the sliding table, and the radioactive source is arranged above the telescopic device, the horizontal position of the radioactive source can be adjusted in real time, and the moving speed of the radioactive source and the height of the radioactive source can be adjusted; thereby realizing the detection of the radioactive source in multiple dimensions. And secondly, automatic detection and automatic calibration can be realized, and movable automatic detection is realized.
Drawings
FIG. 1 is a perspective view of a movable rail-mounted experiment platform for a gamma radiation detector in accordance with an embodiment of the present invention;
FIG. 2 is a top view of a movable rail-mounted experiment table for a gamma radiation detector in accordance with an embodiment of the present invention;
FIG. 3 is a front view of a movable rail type experiment platform for a gamma radiation detector according to an embodiment of the present invention;
FIG. 4 is a cross-sectional view A-A of FIG. 2;
FIG. 5 is a schematic diagram of a second rail deployment process according to an embodiment of the present invention;
FIG. 6 is a perspective view of a second rail deployment process in accordance with an embodiment of the present invention;
FIG. 7 is a front view of the second rail according to the embodiment of the present invention after being unfolded;
FIG. 8 is a perspective view of the second rail according to the embodiment of the present invention after being unfolded;
FIG. 9 is a schematic view of an angle adjustment of a guide rail according to an embodiment of the present invention;
FIG. 10 is an enlarged view of a portion of B in FIG. 1;
FIG. 11 is an enlarged view of a portion of C in FIG. 4;
the figures indicate: the device comprises a base, a 2-extension supporting table, a 3-fixed rotating shaft, a 4-driving gear, a 5-driving device, a 6-gamma radiation detector, a 7-rotating disc, an 8-sliding shaft, a 9-sliding table, a 10-vertical telescopic device, an 11-clamping device, a 12-radioactive source, a 13-second guide rail, a 14-supporting seat and a 15-second roller.
Detailed Description
The invention will be further described with reference to the drawings and examples.
As shown in fig. 1 to 11, the movable track type experimental platform for the gamma radiation detector comprises a base 1 and a supporting seat 14, wherein a semicircular sliding groove 16 is formed in the base 1;
the center of the semicircular chute 16 is provided with a fixed rotating shaft 3; the fixed rotating shaft 3 is sleeved with a rotating disc 7; an extension supporting table 2 is arranged at one end of the base 1; a driving gear 4 is arranged above the extension supporting table 2;
a driving device 5 for driving the driving gear 4 to rotate is arranged below the extension supporting table 2; a gear ring is arranged on the outer side of the turntable 7; the driving gear 4 is meshed with a gear ring at the outer side of the turntable 7;
the turntable 7 is provided with a first guide rail 8; a sliding shaft 81 is arranged below the first guide rail 8; the sliding shaft 8 is inserted into the sliding groove 16; the sliding shaft 8 is sleeved with a roller 82; the roller 82 is matched with the chute 16;
one end of the first guide rail 8 is connected with the turntable 7; the other end is arranged on the supporting seat 14; the lower end of the supporting seat 14 is provided with a second roller 15;
a sliding table 9 is arranged on the first guide rail 8; a vertical telescopic device 10 is arranged above the sliding table 9; a clamping device 11 is arranged above the vertical telescopic device 10;
the clamping device 11 comprises a base plate 111; two sides of the bottom plate 111 are provided with fixing plates 112;
a clamping groove is formed between the two fixing plates 112; two clamping plates 113 are arranged in the clamping groove; a radioactive source 12 is arranged between the two clamping plates 113;
the clamping plate 113 is provided with a guide post 114; the guide post 114 passes through the fixed plate 112; the fixing plate 112 is provided with a locking bolt 115; the locking bolt 115 passes through the fixed plate 112 to tightly press the clamping plate 113; a gamma radiation detector 6 is arranged at the center position above the fixed rotating shaft 3.
In the application process, firstly, the radioactive source 12 is arranged above the vertical telescopic device 10 through the clamping device 11; the height of the radiation source 12 is then adjusted by the vertical telescopic device 10 so that the height of the radiation source 12 is level with the Γ radiation detector 6;
then the sliding table 9 is controlled to move so as to realize movement detection, and detection of each measuring point is realized by controlling the moving distance and the residence time of the sliding table 10;
secondly, the driving gear 4 can be driven by the driving device 5 to realize the rotation driving of the turntable 7, so that the radiation source detection angle can be adjusted.
In mounting the radiation source 12 to the clamping device 11, the radiation source 12 is first placed between the two clamping plates 113, and then the clamping plates 113 clamp the radiation source 12 by tightening the locking bolts 115.
In detecting the radiation source 12, the detection may be performed by:
1. experiment of different measuring time of different probe distances of single source;
by means of 137 Cs、 60 Co、 133 Ba、 152 Eu、 155 Eu and other standard sources, designing experiments of different distances from the radiation source 12 to the end face of the detector, and preliminarily planning a distance from 10cm to 1m, wherein a measuring point is arranged at intervals of 10cm, as shown in FIG. 12; and then carrying out experiments of different measurement time on each point.
2. Experiments of different distances of mixed sources;
different distance experiments were performed with single source combinations as a mixed source, with the radiation source 12 set as a mixed source, e.g 137 Cs+ 60 Co、 137 Cs+ 60 Co+ 133 Ba、 137 Cs+ 60 Co+ 133 Ba+ 152 Eu、 137 Cs+ 60 Co+ 133 Ba+ 152 Eu+ 155 Eu, etc.
3. Experiment at different angles;
at different vertical distances from the surface of the gamma radiation detector 6, single-source and mixed-source experiments at different angles (e.g. 15 deg. apart) are performed; as shown in fig. 13.
4. Performing a mobile source experiment;
measurement experiments of the mobile source are carried out aiming at different moving speeds and different moving paths, and are also divided into single source and mixed source conditions, and an experimental schematic diagram is shown in fig. 14.
In order to facilitate storage and placement, further, one end of the first guide rail 8 is provided with a second guide rail 13; one end of the second guide rail 13 is positioned on the supporting seat 14;
one side of one end of the second guide rail 13 is hinged with one side of one end of the first guide rail 8; the other side of one end of the second guide rail 13 is provided with an inserting block 132; the other side of one end of the first guide rail 8 is provided with a slot 83 matched with the insert block 132.
In order to facilitate accurate verification of the positions, further, scales are arranged on one sides of the first guide rail 8 and the second guide rail 13.
For ease of control, the vertical telescoping device 10 preferably employs an electric push rod.
In order to facilitate the movement of the support 14, it is preferable that the second roller 15 is a universal wheel.
In order to reduce the mass of the base 1, a cavity is further arranged below the base 1.
For ease of control, the drive means 5 preferably employs a drive motor.
Claims (6)
1. A movable track type experiment platform for a gamma radiation detector is characterized in that: the device comprises a base (1) and a supporting seat (14), wherein a semicircular sliding groove (16) is formed in the base (1);
the center of the semicircular sliding groove (16) is provided with a fixed rotating shaft (3); a turntable (7) is sleeved on the fixed rotating shaft (3); an extension supporting table (2) is arranged at one end of the base (1); a driving gear (4) is arranged above the extension supporting table (2);
a driving device (5) for driving the driving gear (4) to rotate is arranged below the extension supporting table (2); a gear ring is arranged on the outer side of the rotary table (7); the driving gear (4) is meshed with a gear ring at the outer side of the rotary table (7);
the turntable (7) is provided with a first guide rail (8); a sliding shaft (81) is arranged below the first guide rail (8); the sliding shaft (81) is inserted into the sliding groove (16); the sliding shaft (81) is sleeved with a roller (82); the roller (82) is matched with the chute (16);
one end of the first guide rail (8) is connected with the turntable (7); the other end is arranged on the supporting seat (14); the lower end of the supporting seat (14) is provided with a second roller (15);
a sliding table (9) is arranged on the first guide rail (8); a vertical telescopic device (10) is arranged above the sliding table (9); a clamping device (11) is arranged above the vertical telescopic device (10);
the clamping device (11) comprises a base plate (111); both sides of the bottom plate (111) are provided with fixed plates (112); a clamping groove is formed between the two fixing plates (112); two clamping plates (113) are arranged in the clamping groove; a radioactive source (12) is arranged between the two clamping plates (113);
the clamping plate (113) is provided with a guide post (114); the guide post (114) passes through the fixed plate (112); the fixing plate (112) is provided with a locking bolt (115); the locking bolt (115) passes through the fixed plate (112) to tightly prop against the clamping plate (113); a gamma radiation detector (6) is arranged at the center position above the fixed rotating shaft (3);
one end of the first guide rail (8) is provided with a second guide rail (13); one end of the second guide rail (13) is positioned on the supporting seat (14);
one side of one end of the second guide rail (13) is hinged with one side of one end of the first guide rail (8); an inserting block (132) is arranged on the other side of one end of the second guide rail (13); the other side of one end of the first guide rail (8) is provided with a slot (83) matched with the inserting block (132).
2. The gamma radiation detector movable track type experiment platform as claimed in claim 1, wherein: one side of the first guide rail (8) and one side of the second guide rail (13) are provided with scales.
3. The movable rail mounted assay platform for gamma radiation detectors of claim 2, wherein: the vertical telescopic device (10) adopts an electric push rod.
4. A movable rail mounted laboratory platform for gamma radiation detectors as claimed in claim 3 wherein: the second roller (15) adopts a universal wheel.
5. The gamma radiation detector movable track type experiment platform as set forth in claim 4, wherein: a cavity is arranged below the base (1).
6. The gamma radiation detector movable track type experiment platform as set forth in claim 5, wherein: the driving device (5) adopts a driving motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011418431.1A CN112799121B (en) | 2020-12-07 | 2020-12-07 | Movable track type experiment platform for gamma radiation detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011418431.1A CN112799121B (en) | 2020-12-07 | 2020-12-07 | Movable track type experiment platform for gamma radiation detector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112799121A CN112799121A (en) | 2021-05-14 |
| CN112799121B true CN112799121B (en) | 2023-07-04 |
Family
ID=75806546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011418431.1A Active CN112799121B (en) | 2020-12-07 | 2020-12-07 | Movable track type experiment platform for gamma radiation detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112799121B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101813572A (en) * | 2010-03-31 | 2010-08-25 | 北京市三一重机有限公司 | Test and detection device for slender rod |
| CN106483554A (en) * | 2016-10-28 | 2017-03-08 | 中国计量科学研究院 | Detecting system |
| US10261200B1 (en) * | 2018-11-12 | 2019-04-16 | David Edward Newman | Cylindrical directional detector without collimator |
| CN110703307A (en) * | 2019-10-17 | 2020-01-17 | 四川轻化工大学 | Nuclear waste packaging body dual-mode synchronous scanning detection device and detection method |
| CN211786138U (en) * | 2019-12-05 | 2020-10-27 | 四川轻化工大学 | Variable-size gamma-ray detection collimator and collimation detection system |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7817773B2 (en) * | 2007-01-05 | 2010-10-19 | Dexela Limited | Variable speed three-dimensional imaging system |
| JP2009210429A (en) * | 2008-03-04 | 2009-09-17 | Nihon Medi Physics Co Ltd | Tester and angle adjustment apparatus |
| CN202404246U (en) * | 2011-12-27 | 2012-08-29 | 中国人民解放军63653部队 | Portable 4 pi response scale device of gamma detector |
| DE102018100228B3 (en) * | 2018-01-08 | 2019-05-09 | Framatome Gmbh | Measuring table for a ball measuring system of a nuclear reactor |
| CN208658041U (en) * | 2018-08-22 | 2019-03-29 | 河南君子林服饰股份有限公司 | A kind of private customization 3D scanning amount body device |
| CN109655878A (en) * | 2019-01-31 | 2019-04-19 | 中国人民解放***箭军工程大学 | X/ γ dosemeter field calibration method based on x-ray source, radiation protecting systems |
| CN210070894U (en) * | 2019-07-19 | 2020-02-14 | 杭州科辰建筑工程咨询有限公司 | Reinforcing bar protective layer thickness detection auxiliary device |
| CN110703306B (en) * | 2019-10-11 | 2021-04-23 | 四川轻化工大学 | Alpha radioactive sample measuring tray device capable of rotating angle and translating |
| CN211402761U (en) * | 2019-12-11 | 2020-09-01 | 广西壮族自治区辐射环境监督管理站 | Three-dimensional angular response calibrator for nuclear radiation detection |
-
2020
- 2020-12-07 CN CN202011418431.1A patent/CN112799121B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101813572A (en) * | 2010-03-31 | 2010-08-25 | 北京市三一重机有限公司 | Test and detection device for slender rod |
| CN106483554A (en) * | 2016-10-28 | 2017-03-08 | 中国计量科学研究院 | Detecting system |
| US10261200B1 (en) * | 2018-11-12 | 2019-04-16 | David Edward Newman | Cylindrical directional detector without collimator |
| CN110703307A (en) * | 2019-10-17 | 2020-01-17 | 四川轻化工大学 | Nuclear waste packaging body dual-mode synchronous scanning detection device and detection method |
| CN211786138U (en) * | 2019-12-05 | 2020-10-27 | 四川轻化工大学 | Variable-size gamma-ray detection collimator and collimation detection system |
Non-Patent Citations (1)
| Title |
|---|
| 中重核中子共振研究及应用进展;庹先国;刘福乐;王琦标;邓超;石睿;穆克亮;牛江;;核技术(第10期);全文 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112799121A (en) | 2021-05-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110703307A (en) | Nuclear waste packaging body dual-mode synchronous scanning detection device and detection method | |
| CN105866452B (en) | A kind of multichannel dry type Immunofluorescence test instrument | |
| CN100460852C (en) | Apparatus for conducting CT safety inspection to liquid article using ray source | |
| CN106483554B (en) | Detecting system | |
| CN106382900B (en) | The on-line measuring device and measurement method of revolving parts diameter and circular runout | |
| CN109387165A (en) | A kind of sheet workpiece automatic detection device and method | |
| CN107560818A (en) | Oversize falling weight impact test device | |
| WO2002003055A3 (en) | Apparatus and method for gamma-ray determination of bulk density of samples | |
| CN112799121B (en) | Movable track type experiment platform for gamma radiation detector | |
| KR101526125B1 (en) | Turntable device of gamma-ray irradiation apparatus for calibration | |
| CN109061709B (en) | Radioactive source bracket for detecting alpha and beta probes | |
| CN112253049B (en) | Digital drilling equipment and method for measuring rock strength in engineering field | |
| CN111025378B (en) | Full-automatic calibrating device and method for surface pollution instrument | |
| CN114324430B (en) | Detection device based on neutron activation | |
| CN109827606B (en) | Rotary platform for calibrating multi-space-channel small-hole imaging type detection equipment | |
| CN110554148B (en) | Sample scanning device for nondestructive measurement of materials | |
| CN214150511U (en) | Calibration device for X-ray fluorescence analyzer | |
| CN211236262U (en) | Afterglow testing device for scintillator | |
| CN112525094A (en) | Three-dimensional deformation detection device for triaxial test sample and use method thereof | |
| CN208476226U (en) | Axial workpiece outer diameter detecting instrument | |
| CN209727464U (en) | Bearing frictional torque measuring device | |
| CN216160061U (en) | Five-axis detection device of X-ray stress determinator | |
| CN217156353U (en) | Spiral nondestructive testing device | |
| CN213482466U (en) | Neutron jar surface radiation dose automatic check out test set | |
| CN209980590U (en) | Radioactive source experimental device for teaching |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |