CN204945389U - A kind of multiduty portable HPGe gamma ray spectrometer graduation apparatus - Google Patents
A kind of multiduty portable HPGe gamma ray spectrometer graduation apparatus Download PDFInfo
- Publication number
- CN204945389U CN204945389U CN201520684607.6U CN201520684607U CN204945389U CN 204945389 U CN204945389 U CN 204945389U CN 201520684607 U CN201520684607 U CN 201520684607U CN 204945389 U CN204945389 U CN 204945389U
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- detector
- cog belt
- synchronous cog
- web joint
- metalwork
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Abstract
The utility model belongs to gamma spectrum fields of measurement on the spot, and relate to a kind of multiduty portable HPGe gamma ray spectrometer graduation apparatus, this device underframe right-hand member establishes slide block backing plate, tensioning block and pretension slide block, and pretension slide block pacifies rolling bearing units; Free end synchronous cog belt a right-hand member is connected with synchronous cog belt metalwork with Timing Belt web joint, and left end is connected with synchronous cog belt metalwork with detector web joint, cushion block; Free end synchronous cog belt b right-hand member is connected with synchronous cog belt metalwork with Timing Belt web joint, and left end is connected with synchronous cog belt metalwork with detector web joint, cushion block; The left end of underframe arranges backing plate and stepper motor; Carry line slideway in installing in the middle part of underframe, in carry on line slideway detector web joint be installed, its underpart connects detector mechanism.This device adjustable point measures object to be measured, or utilizes stepper motor on horizontal one-dimensional direction, control portable HPGe detector to move according to setting speed, and uniform speed scanning object to be measured.
Description
Technical field
The utility model belongs to gamma spectrum fields of measurement on the spot, particularly relates to a kind of multiduty portable HPGe gamma ray spectrometer graduation apparatus.
Background technology
In gamma spectrum fields of measurement on the spot, portable HPGe gamma ray spectrometer is usually adopted to scan or one-point measurement dissimilar measuring object.For obtaining radioactivity or the activity concentration result of object to be measured, needing to calibrate by experiment or numerical evaluation, obtaining detector to the efficiency conversion coefficient of object to be measured.Numerical computation method needs to obtain more parameter, these parameters mostly by experiment or experimental formula obtain, larger uncertainty may be introduced.Test inhabitant area method is the most direct mode of carrying out efficiency calibration, in the retrievable situation of radioactive source, is first-selected method, and its result accurately and tractability is strong.But, measure occasion at large scale radioactive source, due to reasons such as experimental cost, radiation protection safety requirements, the more difficult acquisition of the radioactive source needed for test inhabitant area.Meanwhile, detector measures radioactive source at diverse location, and then realizes the efficiency calibration of scanning survey by numerical integration, and its experiment workload is large and consuming time longer.Therefore, need employing to possess multi-purpose calibrating installation and measure small size source, simulate the efficiency conversion coefficient obtained large scale radioactive source.The application adopts the portable HPGe detector of driving stepper motor to carry out the translation of one dimension Automatic continuous, realizes the functions such as scanning and one-point measurement, meets the efficiency calibration demand of dissimilar radioactive source.
Document comparative analysis shows, studies and manufacturer has no bibliographical information with the mutually isostructural device of this utility model.
Summary of the invention
The purpose of this utility model is: the calibrating installation providing a kind of multiduty portable HPGe gamma ray spectrometer, comparatively can be conveniently used in the efficiency calibration of dissimilar radioactive source, also can be used for the scanning survey of large scale radioactive source.
The technical solution of the utility model: a kind of multiduty portable HPGe gamma ray spectrometer graduation apparatus, comprise underframe, hexagonal (hexagon)nut, motor side belt shaft, backing plate, rolling bearing units, stepper motor, synchronous pulley, shaft coupling, motor mounting plate, height adjustment bolt, portable HPGe detector, hexagonal (hexagon)nut, M12 threaded hole, at described underframe right-hand member, slide block backing plate and tensioning block are set, described slide block backing plate is installed pretension slide block is set, described pretension slide block is installed 2 rolling bearing units are set, install between described 2 rolling bearing units and synchronous pulley and end strips wheel shaft are set, free end synchronous cog belt a right-hand member is connected with synchronous cog belt metalwork with Timing Belt web joint, and its left end is connected with synchronous cog belt metalwork with detector web joint, cushion block by synchronous pulley, free end synchronous cog belt b right-hand member is connected with synchronous cog belt metalwork with Timing Belt web joint by synchronous pulley, and its left end is connected with synchronous cog belt metalwork with detector web joint, cushion block,
Backing plate is set at the left end of described underframe, backing plate is installed with motor mounting plate, motor mounting plate is installed with 2 rolling bearing units and stepper motor, motor side belt shaft, synchronous pulley, shaft coupling;
Install above in the middle part of described underframe in arranging 2 and carry line slideway, carry in described line slideway installs and detector web joint is set, be connected with free end synchronous cog belt a, cushion block and synchronous cog belt metalwork on the described detector web joint left side, the right is connected with free end synchronous cog belt b, cushion block and synchronous cog belt metalwork; Connect in described detector web joint bottom and arrange hexagonal (hexagon)nut and the tubular detector mechanism of entirety, described detector mechanism is made up of installing ring, long iron pipe, detector top installing ring, hexagonal (hexagon)nut, M12 threaded hole in the middle part of installing ring, short iron pipe, detector bottom portable HPGe detector, long bolt, detector; Wherein, detector mechanism entirety is connected to form by installing ring, long iron pipe, detector top installing ring, hexagonal (hexagon)nut, M12 threaded hole in the middle part of installing ring, short iron pipe, detector bottom long bolt, detector; Portable HPGe detector is connected with installing ring bottom detector; Described underframe also arranges the height adjustment bolt of underframe.
The beneficial effects of the utility model: this device adjustable point measures object to be measured, or utilize stepper motor on horizontal one-dimensional direction, control portable HPGe detector to move according to setting speed, and uniform speed scanning object to be measured.This device can be simulated evenly, the dissimilar radioactive source of non-uniform Distribution, and final realization is calibrated the activity concentration conversion coefficient of different measuring object.Meet the test inhabitant area demand of portable HPGe gamma ray spectrometer to the detection efficiency that dissimilar large scale radioactive source is measured.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is further described.
Fig. 1 is stereographic map of the present utility model; Accompanying drawing 2 is the left part enlarged drawing of the utility model device; Accompanying drawing 3 is the right part enlarged drawing of the utility model device; Accompanying drawing 4 is the stereographic map of detector mechanism of the present utility model.
Embodiment
Embodiment 1, a kind of multiduty portable HPGe gamma ray spectrometer graduation apparatus, as Fig. 1, 2, shown in 3 and 4, comprise underframe 1, hexagonal (hexagon)nut 13, motor side belt shaft 14, backing plate 15, rolling bearing units 16, stepper motor 17, synchronous pulley 18, shaft coupling 19, motor mounting plate 20, height adjustment bolt 21, portable HPGe detector 22, hexagonal (hexagon)nut 29, M12 threaded hole 30, at described underframe 1 right-hand member, slide block backing plate 2 and tensioning block 4 are set, described slide block backing plate 2 is installed pretension slide block 3 is set, described pretension slide block 3 is installed 2 rolling bearing units 16 are set, install between described 2 rolling bearing units 16 and synchronous pulley 18 and end strips wheel shaft 6 are set, free end synchronous cog belt a7 right-hand member is connected with synchronous cog belt metalwork 10 with Timing Belt web joint 5, and its left end is connected with synchronous cog belt metalwork 10 with detector web joint 12, cushion block 9 by synchronous pulley 18, free end synchronous cog belt b8 right-hand member is connected with synchronous cog belt metalwork 10 with Timing Belt web joint 5 by synchronous pulley 18, and its left end is connected with synchronous cog belt metalwork 10 with detector web joint 12, cushion block 9,
Backing plate 15 is set at the left end of described underframe 1, backing plate 15 is installed with motor mounting plate 20, motor mounting plate 20 is installed with 2 rolling bearing units 16 and stepper motor 17, motor side belt shaft 14, synchronous pulley 18, shaft coupling 19;
Install above in the middle part of described underframe 1 in arranging 2 and carry line slideway 11(containing slide block), carry line slideway 11(in described containing slide block) upper installation arranges detector web joint 12, be connected with free end synchronous cog belt a7, cushion block 9 and synchronous cog belt metalwork 10 on described detector web joint 12 left side, the right is connected with free end synchronous cog belt b8, cushion block 9 and synchronous cog belt metalwork 10; Connect in described detector web joint 12 bottom and arrange hexagonal (hexagon)nut 13 and the tubular detector mechanism of entirety, described detector mechanism is made up of installing ring 26, long iron pipe 27, detector top installing ring 28, hexagonal (hexagon)nut 29, M12 threaded hole 30 in the middle part of installing ring 24, short iron pipe 25, detector bottom portable HPGe detector 22, long bolt 23, detector; Wherein, detector mechanism entirety is connected to form by installing ring 26, long iron pipe 27, detector top installing ring 28, hexagonal (hexagon)nut 29, M12 threaded hole 30 in the middle part of installing ring 24, short iron pipe 25, detector bottom long bolt 23, detector; Portable HPGe detector 22 is connected with installing ring bottom detector 24; Described underframe 1 also arranges the height adjustment bolt 21 of underframe 1.
In practice, during one-point measurement, according to above-mentioned approach assembling device, install portable HPGe detector, place radioactive source in desired location, manual mobile detector web joint, to appropriate location, can be opened portable HPGe detector and carry out one-point measurement.
Claims (1)
1. a multiduty portable HPGe gamma ray spectrometer graduation apparatus, comprise underframe (1), hexagonal (hexagon)nut (13), motor side belt shaft (14), backing plate (15), rolling bearing units (16), stepper motor (17), synchronous pulley (18), shaft coupling (19), motor mounting plate (20), height adjustment bolt (21), portable HPGe detector (22), hexagonal (hexagon)nut (29), M12 threaded hole (30), it is characterized in that: at described underframe (1) right-hand member, slide block backing plate (2) and tensioning block (4) are set, in the upper installation of described slide block backing plate (2), pretension slide block (3) is set, in the upper installation of described pretension slide block (3), 2 rolling bearing units (16) are set, install between described 2 rolling bearing units (16) and synchronous pulley (18) and end strips wheel shaft (6) are set, free end synchronous cog belt a(7) right-hand member is connected with synchronous cog belt metalwork (10) with Timing Belt web joint (5), and its left end is connected with synchronous cog belt metalwork (10) with detector web joint (12), cushion block (9) by synchronous pulley (18), free end synchronous cog belt b(8) right-hand member is connected with synchronous cog belt metalwork (10) with Timing Belt web joint (5) by synchronous pulley (18), and its left end is connected with synchronous cog belt metalwork (10) with detector web joint (12), cushion block (9),
At the left end of described underframe (1), backing plate (15) is set, backing plate (15) is installed with motor mounting plate (20), motor mounting plate (20) is installed with 2 rolling bearing units (16) and stepper motor (17), motor side belt shaft (14), synchronous pulley (18), shaft coupling (19);
Line slideway (11) is carried in the top installation of described underframe (1) middle part arranges 2, carry the upper installation of line slideway (11) in described and detector web joint (12) is set, at described detector web joint (12) left side and free end synchronous cog belt a(7), cushion block (9) and synchronous cog belt metalwork (10) be connected, the right and free end synchronous cog belt b(8), cushion block (9) and synchronous cog belt metalwork (10) be connected; Connect in described detector web joint (12) bottom and arrange hexagonal (hexagon)nut (13) and the tubular detector mechanism of entirety, described detector mechanism is made up of installing ring (26), long iron pipe (27), detector top installing ring (28), hexagonal (hexagon)nut (29), M12 threaded hole (30) in the middle part of installing ring (24), short iron pipe (25), detector bottom portable HPGe detector (22), long bolt (23), detector; Wherein, detector mechanism entirety is connected to form by installing ring (26), long iron pipe (27), detector top installing ring (28), hexagonal (hexagon)nut (29), M12 threaded hole (30) in the middle part of installing ring (24), short iron pipe (25), detector bottom long bolt (23), detector; Portable HPGe detector (22) is connected with installing ring bottom detector (24); Described underframe (1) also arranges the height adjustment bolt (21) of underframe (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520684607.6U CN204945389U (en) | 2015-09-06 | 2015-09-06 | A kind of multiduty portable HPGe gamma ray spectrometer graduation apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520684607.6U CN204945389U (en) | 2015-09-06 | 2015-09-06 | A kind of multiduty portable HPGe gamma ray spectrometer graduation apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204945389U true CN204945389U (en) | 2016-01-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520684607.6U Expired - Fee Related CN204945389U (en) | 2015-09-06 | 2015-09-06 | A kind of multiduty portable HPGe gamma ray spectrometer graduation apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204945389U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107356987A (en) * | 2017-08-07 | 2017-11-17 | 核工业二三0研究所 | A kind of gamma instrument automatic calibration device and scaling method |
-
2015
- 2015-09-06 CN CN201520684607.6U patent/CN204945389U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107356987A (en) * | 2017-08-07 | 2017-11-17 | 核工业二三0研究所 | A kind of gamma instrument automatic calibration device and scaling method |
| CN107356987B (en) * | 2017-08-07 | 2024-03-29 | 核工业二三0研究所 | Automatic calibration device and calibration method for gamma instrument |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160106 Termination date: 20180906 |
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| CF01 | Termination of patent right due to non-payment of annual fee |