CN110173152B - Modular movable combined shielding lead blanket hanging rack device - Google Patents
Modular movable combined shielding lead blanket hanging rack device Download PDFInfo
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- CN110173152B CN110173152B CN201910402798.5A CN201910402798A CN110173152B CN 110173152 B CN110173152 B CN 110173152B CN 201910402798 A CN201910402798 A CN 201910402798A CN 110173152 B CN110173152 B CN 110173152B
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- hanging rack
- hanger
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- beams
- horizontally
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H17/00—Fencing, e.g. fences, enclosures, corrals
- E04H17/14—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H17/00—Fencing, e.g. fences, enclosures, corrals
- E04H17/14—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts
- E04H17/1413—Post-and-rail fences, e.g. without vertical cross-members
- E04H17/1417—Post-and-rail fences, e.g. without vertical cross-members with vertical cross-members
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
- G21F1/00—Shielding characterised by the composition of the materials
- G21F1/02—Selection of uniform shielding materials
- G21F1/08—Metals; Alloys; Cermets, i.e. sintered mixtures of ceramics and metals
- G21F1/085—Heavy metals or alloys
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
- G21F3/00—Shielding characterised by its physical form, e.g. granules, or shape of the material
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- Civil Engineering (AREA)
- Structural Engineering (AREA)
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- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
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- Ceramic Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
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Abstract
The invention discloses a modularized movable combined shielding lead blanket hanger device which comprises a movable lower hanger, wherein the movable lower hanger comprises a pair of lower hanger longitudinal beams which are oppositely arranged, a plurality of lower hanger cross beams which are transversely and horizontally arranged on the pair of lower hanger longitudinal beams at intervals, universal wheels arranged at the bottom ends of the lower hanger longitudinal beams, a plurality of fixed hooks which are arranged on the lower hanger cross beams at intervals and rotary hooks which are arranged at the outer ends of the lower hanger cross beams and can horizontally and freely rotate; the detachable upper hanging rack comprises a pair of upper hanging rack longitudinal beams which are oppositely arranged, an upper hanging rack cross beam which is transversely and horizontally arranged at the top ends of the pair of upper hanging rack longitudinal beams, a plurality of fixed hooks which are arranged on the upper hanging rack cross beam at intervals and a rotary hook which is arranged at the outer end of the upper hanging rack cross beam and can horizontally and freely rotate; the lead blanket hanging rack device can be freely combined, is convenient to move, is safe and reliable, and can effectively shield a radiation hot spot area in the working process.
Description
Technical Field
The invention relates to the technical field of radiation protection, in particular to a modularized movable combined shielding lead blanket hanging frame device.
Background
Some locations in a nuclear power plant form hot spot areas due to deposition of radioactive materials in the pipeline, and temporary radiation shielding is necessary to reduce the exposure dose of the workers.
At present, the nuclear power station mainly adopts a scaffold to build an integral frame, and the integral protection operation is carried out on a radiation hot spot region by a mode of hanging a lead blanket through a simple hook. The construction mode of the protection project uses a temporary operation tool scaffold as a carrier for shielding the lead blanket, so that certain potential safety hazards exist; meanwhile, the lead blanket can be wrinkled and bent in the long-time hanging process, so that the problem of leakage gaps is caused.
The existing shielding mode of radiation hot spots in a typical corridor range in the existing nuclear power plant is that a scaffold is adopted to build an integral frame, and a lead blanket is hung in a movable hook mode. When the existing shielding mode is installed, operation needs to be carried out in a radiation hot spot area, workers can receive higher radiation dose, certain potential safety hazards exist after long-time use, and meanwhile, leakage of gaps is inevitable.
Therefore, it is very important to find a lead blanket hanger device structure that is convenient to move, safe and reliable, and can effectively shield the radiation hot spot area.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a modularized movable combined shielding lead blanket hanging frame device which can be freely combined, is convenient to move, is safe and reliable, and can effectively shield a radiation hot spot area in the working process.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a modular mobile modular and modular and modular lead blanket hanger assembly, said lead blanket hanger assembly comprising: the movable lower hanging rack comprises a pair of lower hanging rack longitudinal beams which are oppositely arranged, a plurality of lower hanging rack cross beams which are transversely and horizontally arranged on the pair of lower hanging rack longitudinal beams at intervals, universal wheels arranged on the bottom ends of the lower hanging rack longitudinal beams, a plurality of fixed hooks which are arranged on the lower hanging rack cross beams at intervals and rotary hooks which are arranged on the outer ends of the lower hanging rack cross beams and can horizontally and freely rotate; and the detachable upper hanging rack comprises a pair of oppositely arranged upper hanging rack longitudinal beams, an upper hanging rack cross beam arranged on the top ends of the pair of upper hanging rack longitudinal beams in a transverse horizontal mode, a plurality of fixed hooks arranged on the upper hanging rack cross beam at intervals and a rotary hook which is arranged on the outer end of the upper hanging rack cross beam and can rotate freely in a horizontal mode, and the pair of upper hanging rack longitudinal beams are respectively detachably arranged on the pair of lower hanging rack longitudinal beams in a corresponding mode.
Further, a transverse supporting leg capable of being horizontally recycled and rotated is arranged at the bottom end of the longitudinal beam of the lower hanging rack, and a roller is arranged at the bottom end of the transverse supporting leg.
Furthermore, the bottom end of the longitudinal beam of the lower hanging rack is also provided with an oblique supporting leg which is obliquely and downwards arranged and can be upwards overturned and recycled.
Further, the bottom end of the oblique supporting leg is provided with a rubber base.
Further, the lower hanger longitudinal beam, the lower hanger transverse beam, the upper hanger longitudinal beam and the upper hanger transverse beam are provided with hollow parts.
Further, handles are arranged on the upper hanger longitudinal beam and the lower hanger longitudinal beam.
Furthermore, the outer ends of the upper hanger beam and the lower hanger beam are respectively sleeved with a telescopic beam which can be horizontally stretched and adjusted, wherein the rotary hook is arranged on the telescopic beam.
Furthermore, the end surfaces of the upper hanger beam, the upper hanger longitudinal beam, the lower hanger beam and the lower hanger longitudinal beam which are combined are respectively provided with a supporting connecting sheet.
Furthermore, a pair of oblique supporting legs positioned at the bottom ends of the pair of lower hanging rack longitudinal beams are arranged in a mirror symmetry mode.
Compared with the prior art, the scheme has the beneficial technical effects that:
1. the fixed hook on the shielding hanging frame is used for replacing the original scaffold sliding hook to hang the lead blanket, so that the smoothness of the lead blanket in the protection operation work is ensured;
2. the mutual overlapping parts of the fixed broadband are designed between the adjacent hanging lead blankets in size, so that leakage gaps are effectively reduced;
3. the lead blanket hanging frame can be freely moved and combined in multiple angles, and the application range is wide;
4. the lead blanket hanging frame is provided with the retractable transverse supporting legs and the retractable inclined supporting legs, and the whole device is safer, more stable and more reliable.
Drawings
Fig. 1 is a schematic perspective view of a lead blanket hanger apparatus according to the present invention.
Fig. 2 is a schematic view of a detachable upper hanging rack according to the present invention.
Fig. 3 is a schematic view of the lead blanket hanging device according to the present invention.
In the figure:
100-upper pylon, 101-upper pylon longitudinal beam, 102-upper pylon cross beam, 103-handle, 104-hollowed part, 105-fixed hook, 106-telescopic cross beam, 107-rotary hook, 108-supporting connecting sheet, 200-lower pylon, 201-lower pylon longitudinal beam, 202-lower pylon cross beam, 203-fixed hook, 204-rotary hook, 205-telescopic cross beam, 206-handle, 207-hollowed part, 208-supporting connecting sheet, 209-universal wheel, 210-transverse leg, 211-roller, 212-oblique leg, 213-rubber base.
Detailed Description
The invention is described in further detail below with reference to the drawings and the detailed description.
This scheme need carry out the operation in radiation hot spot region when installing to current shielding mode, and the staff can receive higher radiation dose, and uses for a long time and has certain potential safety hazard, reveals the gap also inevitable simultaneously, and then the portable combination of a modularization shielding lead blanket stores pylon device that provides, its independent assortment of this lead blanket stores pylon device, convenient removal and safe and reliable can effectively shield radiation hot spot region in the course of the work.
Referring to fig. 1 to 3 of the drawings, the modular mobile combined shielding lead blanket hanging rack device of the present embodiment includes a mobile lower rack 200 and an upper rack 100 detachably mounted on the lower rack 200. When installed, the upper hanger 100 is vertically installed above the lower hanger 200, and both form an integrated lead blanket hanger device.
The lower hanger 200 comprises a pair of lower hanger longitudinal beams 201 which are oppositely arranged, a plurality of lower hanger cross beams 202 which are horizontally arranged on the pair of lower hanger longitudinal beams 201 at intervals, universal wheels 209 arranged at the bottom ends of the lower hanger longitudinal beams 201, a plurality of fixed hooks 203 which are arranged on the lower hanger cross beams 202 at intervals, and rotating hooks 204 which are arranged at the outer ends of the lower hanger cross beams 202 and can horizontally and freely rotate. It should be noted that the distance between the adjacent fixing hooks 203 is required to ensure that the lead carpet hung thereon has an overlapping portion, so as to ensure that the whole lead carpet has no leakage; in addition, the hook at the outer end of the cross beam 202 of the lower rack is set to be the rotating hook 204 structure capable of rotating freely horizontally, because in practice, a plurality of single lead blanket rack devices are generally combined for use, when the adjacent lead blanket rack devices are connected through different angles, because the hook at the outer end of the cross beam in the single lead blanket rack device in the present scheme is the rotating hook 204, when the connection is performed, the problem of unevenness and leakage of the whole rack device due to the problem of the angle is not caused.
The upper hanger 100 comprises a pair of upper hanger longitudinal beams 101 which are oppositely arranged, an upper hanger cross beam 102 which is horizontally arranged at the top ends of the pair of upper hanger longitudinal beams 101, a plurality of fixed hooks 105 which are arranged on the upper hanger cross beam 102 at intervals and a rotating hook 107 which is arranged at the outer end of the upper hanger cross beam 102 and can horizontally and freely rotate, wherein the pair of upper hanger longitudinal beams 101 are respectively and correspondingly detachably arranged on the pair of lower hanger longitudinal beams 201. Similarly, the spacing between adjacent fastening hooks 105 is required to ensure that the lead carpet attached thereto has an overlapping portion to ensure that the entire lead carpet is leak-free; in addition, the hooks at the outer ends of the upper hanger beam 102 are set to be in the form of a rotating hook 107 which can rotate freely horizontally, and the rotating hook is used for preventing the problems of unevenness and leakage of the whole hanger device due to the angle when the adjacent lead blanket hanger devices are connected through different angles. In addition, it should be noted that the distance between the fixing hooks 105 on the upper hanger beam 102 and the lower hanger beam 202 is also required to ensure a fixed overlapping portion between the adjacent lead blankets to prevent leakage.
In this embodiment, the single lead blanket hanging rack device is composed of a detachable upper hanging rack and a movable lower hanging rack, and the lower hanging rack part can be used independently in practical use (for example, on the premise that the lower hanging rack can meet the use height of a radiation hot spot area).
In order to improve the stability and safety of the whole pylon device, the bottom end of the lower pylon longitudinal beam 201 is provided with a transverse leg 210 capable of horizontally recovering and rotating and an oblique leg 212 which is obliquely arranged downwards and can be upwards overturned and recovered. The design of the transverse supporting legs 210 and the oblique supporting legs 212 as the recoverable type is to deal with the protection problem of different shapes of areas, and realize multi-angle combination among single shielding hangers. In addition, in order to protect the ground, a rubber base 213 is provided at the bottom of the diagonal leg 212, and the bottom end of the lateral leg 210 is in contact with the ground through a roller 211. In order to better avoid the influence of the oblique legs 212 on the suspension of the bottom lead carpet, a pair of oblique legs 212 are arranged on the bottoms of a pair of lower hanger longitudinal beams 201 in a mirror symmetry mode.
In practice, in order to better shield some radiation hot spots with obstacles, the present embodiment further comprises a telescopic cross beam 106, 205 capable of horizontally extending and retracting and adjusting and respectively sleeved on the outer ends of the upper pylon cross beam 102 and the lower pylon cross beam 202, wherein the rotary hooks 107, 204 are mounted on the telescopic cross beam 106, 205. When the telescopic beam shielding device is used, the telescopic lengths of the telescopic beams 106 and 205 are flexibly adjusted according to the actual field environment so as to meet the shielding requirement on a hot spot radiation area.
For convenience of assembly, disassembly, storage and transportation, under the condition that the overall load and rigidity of the lead blanket hanger are not reduced, the upper hanger cross beam 102, the upper hanger longitudinal beam 101, the lower hanger cross beam 202 and the lower hanger longitudinal beam 201 of the embodiment are provided with corresponding hollowed-out portions 104 and 207. In addition, in order to ensure the overall strength, support connection pieces 108, 208 are provided at the end faces where the upper pylon cross member 102 and the upper pylon longitudinal member, and the lower pylon cross member 202 and the lower pylon longitudinal member 201 are joined, respectively.
In practice, the exposure dose of the operator during the operation process is fully considered, the installation of the whole device and the suspension of the lead blanket are generally completed in a low dose area, and since the upper hanger is generally installed on the lower hanger, the corresponding handles 103 and 206 are correspondingly arranged on the corresponding upper hanger longitudinal beam and the lower hanger longitudinal beam 201 for facilitating the transportation and the installation, so that the operation of the operator is facilitated.
In actual use, the outer surface of the whole device (except the hook part) can be subjected to plastic spraying treatment, the hook part is subjected to polishing treatment, and reminding warning marks such as 'radiation protection articles, do not move' and the like are sprayed and written on the outer surface of the whole device.
To sum up, through the above-mentioned lead blanket stores pylon device in this scheme of use when the operation of radiation area hot spot, installation operation personnel irradiated dose low, the installation is convenient, remove in a flexible way, reliable and stable and can effectively reduce and reveal the gap.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is intended to include such modifications and variations.
Claims (6)
1. The utility model provides a portable combination shielding lead blanket stores pylon device of modularization which characterized in that: the lead blanket hanging rack device comprises:
the movable lower hanging rack comprises a pair of lower hanging rack longitudinal beams which are oppositely arranged, a plurality of lower hanging rack cross beams which are transversely and horizontally arranged on the pair of lower hanging rack longitudinal beams at intervals, universal wheels arranged on the bottom ends of the lower hanging rack longitudinal beams, a plurality of fixed hooks which are arranged on the lower hanging rack cross beams at intervals and rotary hooks which are arranged on the outer ends of the lower hanging rack cross beams and can horizontally and freely rotate;
the detachable upper hanging rack comprises a pair of upper hanging rack longitudinal beams which are oppositely arranged, an upper hanging rack cross beam which is transversely and horizontally arranged at the top ends of the pair of upper hanging rack longitudinal beams, a plurality of fixed hooks which are arranged on the upper hanging rack cross beam at intervals and a rotary hook which is arranged at the outer end of the upper hanging rack cross beam and can horizontally and freely rotate, wherein the pair of upper hanging rack longitudinal beams are respectively and correspondingly detachably arranged on the pair of lower hanging rack longitudinal beams;
a transverse supporting leg capable of being horizontally recycled and rotated is arranged at the bottom end of the longitudinal beam of the lower hanging rack, wherein a roller is arranged at the bottom end of the transverse supporting leg;
the bottom end of the longitudinal beam of the lower hanging rack is also provided with an oblique supporting leg which is obliquely and downwards arranged and can be upwards overturned and recycled;
the bottom end of the oblique supporting leg is provided with a rubber base.
2. The modular mobile combined shielding lead blanket hanger apparatus of claim 1, wherein: and hollow parts are arranged on the lower hanger longitudinal beam, the lower hanger cross beam, the upper hanger longitudinal beam and the upper hanger cross beam.
3. The modular mobile combined shielding lead blanket hanger apparatus of claim 1, wherein: handles are arranged on the upper hanger longitudinal beam and the lower hanger longitudinal beam.
4. The modular mobile combined shielding lead blanket hanger apparatus of claim 1, wherein: the outer ends of the upper hanger beam and the lower hanger beam are respectively sleeved with a telescopic beam capable of horizontally stretching and adjusting, and the rotary hook is arranged on the telescopic beam.
5. The modular mobile combined shielding lead blanket hanger apparatus of claim 1, wherein: and supporting connecting sheets are respectively arranged at the end surfaces of the upper hanger beam, the upper hanger longitudinal beam, the lower hanger beam and the lower hanger longitudinal beam which are combined.
6. The modular mobile combined shielding lead blanket hanger device of claim 3, wherein: and the pair of oblique supporting legs positioned at the bottom ends of the pair of lower hanging rack longitudinal beams are arranged in a mirror symmetry manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910402798.5A CN110173152B (en) | 2019-05-15 | 2019-05-15 | Modular movable combined shielding lead blanket hanging rack device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910402798.5A CN110173152B (en) | 2019-05-15 | 2019-05-15 | Modular movable combined shielding lead blanket hanging rack device |
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| Publication Number | Publication Date |
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| CN110173152A CN110173152A (en) | 2019-08-27 |
| CN110173152B true CN110173152B (en) | 2021-09-17 |
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| CN201910402798.5A Active CN110173152B (en) | 2019-05-15 | 2019-05-15 | Modular movable combined shielding lead blanket hanging rack device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112820430B (en) * | 2019-11-18 | 2024-05-14 | 中国核工业二三建设有限公司 | Method for installing and building graphite and carbon internal components of high-temperature gas cooled reactor and installation trolley |
| CN113066597A (en) * | 2021-03-25 | 2021-07-02 | 三门核电有限公司 | Radioactive water filter core dismounting device and transport instrument thereof |
| CN115223740A (en) * | 2022-06-02 | 2022-10-21 | 中国辐射防护研究院 | Portable shielding hanger |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2630856B1 (en) * | 1988-04-28 | 1990-08-31 | Poujaud Robert | MODULAR WALL DEVICE FOR BIOLOGICAL PROTECTION ANTI-RADIATION |
| CN201460400U (en) * | 2009-07-31 | 2010-05-12 | 高桂明 | Portable folding combined ring-fence bracket |
| CN202258391U (en) * | 2011-09-22 | 2012-05-30 | 史轶君 | Modular mobile ray shielding device |
| CN106169315B (en) * | 2016-08-29 | 2017-10-27 | 中国人民解放军军事医学科学院卫生装备研究所 | A kind of field medical X-ray protective device and the means of defence using the device |
| CN206458064U (en) * | 2017-01-22 | 2017-09-01 | 中国建筑第八工程局有限公司 | The collapsible adjustable scaffold platform of multi link |
| CN206957355U (en) * | 2017-07-14 | 2018-02-02 | 济南黄河路桥建设集团有限公司 | A kind of construction guard fender detachably adjusted |
| CN207637504U (en) * | 2017-12-25 | 2018-07-20 | 浙江省人民医院 | Medical radioactive brachytherapy radioprotector |
| CN209822293U (en) * | 2018-07-20 | 2019-12-20 | 中核核电运行管理有限公司 | Combined radiation shielding hanging rack device |
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