CN107068225B - X-ray nondestructive mobile detection platform ray shielding device - Google Patents
X-ray nondestructive mobile detection platform ray shielding device Download PDFInfo
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- CN107068225B CN107068225B CN201710242316.5A CN201710242316A CN107068225B CN 107068225 B CN107068225 B CN 107068225B CN 201710242316 A CN201710242316 A CN 201710242316A CN 107068225 B CN107068225 B CN 107068225B
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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
- G21F1/10—Organic substances; Dispersions in organic carriers
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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
- G21F5/00—Transportable or portable shielded containers
- G21F5/06—Details of, or accessories to, the containers
- G21F5/12—Closures for containers; Sealing arrangements
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
- Measurement Of Radiation (AREA)
Abstract
The application discloses a X-ray nondestructive mobile detection platform ray shielding device, which comprises: the X-ray machine shielding cover comprises a plurality of rectangular boxes which are sequentially reduced in size and mutually nested, wherein the adjacent rectangular boxes are connected in a sliding mode along the horizontal direction, the rectangular box with the largest size is sleeved on the X-ray machine and is fixedly connected with the X-ray locomotive through the mounting bracket, the sleeving surface of the X-ray machine and the X-ray emergent surface of the X-ray machine are both arranged in an opening mode, and the X-ray incident surface, the X-ray emergent surface and one surface close to the ground of the other rectangular boxes are all arranged in an opening mode; the imaging plate shielding cover is sleeved outside the imaging plate, and the X-ray incidence surface and the surface close to the ground are both provided with openings; the imaging plate shielding cover and the rectangular box body comprise an outer aluminum layer and an inner aluminum layer, and a lead rubber layer is arranged between the outer aluminum layer and the inner aluminum layer. The device can be suitable for the requirements of X-ray nondestructive detection of any electrical equipment.
Description
Technical Field
The application relates to the technical field of X-ray shielding devices, in particular to a X-ray shielding device of an X-ray nondestructive mobile detection platform.
Background
In recent years, X-ray nondestructive testing technology has been widely used in the field of power equipment detection. In the power system, nondestructive detection is generally performed on the power equipment through an X-ray nondestructive mobile detection platform. The X-ray nondestructive mobile detection platform mainly comprises an X-ray machine and an imaging plate, wherein the X-ray machine is arranged on the X-ray locomotive and can move along with the X-ray locomotive, and the imaging plate is arranged on the imaging plate vehicle and can move along with the imaging plate vehicle. When nondestructive detection is carried out on the power equipment to be detected, the X-ray machine and the imaging plate are respectively arranged on two sides of the power equipment to be detected, X-rays emitted by the X-ray machine irradiate the power equipment to be detected, and the imaging plate is used for shooting the acquired X-ray image information of the power equipment to be detected, so that problems in the power equipment to be detected are found in time, and faults are prevented. In the X-ray detection process of the power equipment to be detected, because the X-ray radiation range is large, the body of staff nearby a detection site is damaged to some extent, and therefore, the X-ray detection platform is required to be shielded.
In the prior art, a shielding cover is generally adopted to shield X rays, the size of the shielding cover is matched with that of the power equipment to be detected, the size of the X-ray machine and the size of the imaging plate, and the shielding cover is arranged on the peripheries of the X-ray nondestructive mobile detection platform and the power equipment to be detected, so that the shielding purpose is achieved.
Because the power equipment to be measured is numerous in variety, and the size is different, above-mentioned shield cover only can match with the size of a certain power equipment, can't satisfy the needs of shielding when other power equipment X ray nondestructive test, especially when the power equipment to be measured is great or the shape is irregular, can't cover X ray nondestructive mobile detection platform and power equipment to be measured simultaneously, and then can't shield the X ray.
Disclosure of Invention
The application provides a ray shielding device of an X-ray nondestructive mobile detection platform, which aims to solve the problem that a shielding cover in the prior art cannot adapt to different types of power equipment to be detected and further cannot shield X-rays.
The application provides a X-ray nondestructive mobile detection platform ray shielding device, which comprises: an X-ray machine shielding cover, a mounting bracket and an imaging plate shielding cover sleeved on the imaging plate, wherein,
the X-ray machine shielding cover comprises a plurality of rectangular boxes which are sequentially reduced in size and mutually nested, the adjacent rectangular boxes are connected in a sliding mode along the horizontal direction, the rectangular box with the largest size is sleeved on the X-ray machine and is fixedly connected with the X-ray machine through the mounting bracket, and an X-ray machine sleeved surface and an X-ray emergent surface of the rectangular box with the largest size are both arranged in an opening mode; the X-ray incident surface, the X-ray emergent surface and the surface close to the ground of the other rectangular box bodies except the rectangular box body with the largest size are all provided with openings;
the imaging plate shielding cover is sleeved outside the imaging plate, the size of the imaging plate shielding cover is matched with that of the imaging plate, and the X-ray incidence surface and the surface close to the ground of the imaging plate shielding cover are both provided with openings;
the imaging plate shielding cover and all the rectangular boxes comprise an outer aluminum layer and an inner aluminum layer, and a lead rubber layer is arranged between the outer aluminum layer and the inner aluminum layer.
Preferably, the device also comprises a pneumatic transmission device, wherein the pneumatic transmission device comprises a sliding component, an air cylinder fixedly arranged on the rectangular box body with the largest size and a fixing component arranged on the rectangular box body with the smallest size, wherein,
the extension line of a piston rod of the cylinder is fixedly connected with the fixed component; the sliding assembly comprises a sliding groove and a sliding rail matched with the sliding groove, the sliding groove is arranged on the inner wall of a rectangular box body with a larger size in two adjacent rectangular box bodies, and the sliding rail is arranged on the outer wall of a rectangular box body with a smaller size in two adjacent rectangular box bodies.
Preferably, the lead rubber layer comprises a plurality of corrugated lead rubber plates which are mutually overlapped, two ends of each corrugated lead rubber plate are respectively connected with the outer aluminum layer and the inner aluminum layer, and planes of wave crests of the corrugated lead rubber plates are respectively perpendicular to the outer aluminum layer and the inner aluminum layer.
Preferably, the thickness of the outer aluminum layer and the inner aluminum layer is 1-10mm.
Preferably, the thickness of the lead rubber layer is 5-20mm.
The technical scheme provided by the application can comprise the following beneficial effects:
the embodiment of the application provides a radiation shielding device of an X-ray nondestructive mobile detection platform, which comprises the following components: the X-ray machine shielding cover comprises a plurality of rectangular boxes which are sequentially reduced in size and mutually nested, wherein adjacent rectangular boxes are connected in a sliding mode along the horizontal direction, the rectangular box with the largest size is sleeved on the X-ray machine and is fixedly connected with the X-ray locomotive through the mounting bracket, and an X-ray machine sleeved surface and an X-ray emergent surface of the rectangular box with the largest size are both arranged in an opening mode; the X-ray incident surface, the X-ray emergent surface and the surface close to the ground of the other rectangular box bodies except the rectangular box body with the largest size are all provided with openings; the imaging plate shielding cover is sleeved outside the imaging plate, the size of the imaging plate shielding cover is matched with that of the imaging plate, and the X-ray incidence surface and the surface close to the ground of the imaging plate shielding cover are both provided with openings; the imaging plate shielding cover and all the rectangular boxes comprise an outer aluminum layer and an inner aluminum layer, and a lead rubber layer is arranged between the outer aluminum layer and the inner aluminum layer. According to the X-ray nondestructive mobile detection platform ray shielding device provided by the embodiment of the application, during X-ray nondestructive detection, the length of the shielding cover of the X-ray machine is matched with the distance between the X-ray machine and the power equipment to be detected by adjusting the telescopic length of the shielding cover of the X-ray machine, so that X-rays between the X-ray machine and the power equipment to be detected are shielded; the imaging plate shielding cover is closely contacted with the power equipment to be detected, and can shield X rays between the power equipment to be detected and the imaging plate. The X-ray machine shielding cover and the imaging plate shielding cover shield the X-rays of other parts except the electric equipment to be tested, in addition, as the imaging plate shielding cover and all the rectangular boxes comprise an outer aluminum layer and an inner aluminum layer, a lead rubber layer is arranged between the outer aluminum layer and the inner aluminum layer, the shielding effect of the X-ray machine shielding cover and the imaging plate shielding cover is good; the device comprises two parts, namely the shielding cover of the X-ray machine and the shielding cover of the imaging plate, has small volume and convenient use, and can be suitable for the requirements of X-ray nondestructive detection of any electrical equipment.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application as claimed.
Drawings
In order to more clearly illustrate the technical solution of the present application, the drawings that are needed in the embodiments will be briefly described below, and it will be obvious to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.
FIG. 1 is a schematic diagram of a radiation shielding device of an X-ray nondestructive mobile detection platform according to an embodiment of the present application;
FIG. 2 is a schematic cross-sectional view of a shielding case of an X-ray machine according to an embodiment of the present application;
FIG. 3 is a schematic view of a partial cross-sectional structure of a rectangular box according to an embodiment of the present application;
in fig. 1-3, the symbols represent: 01-X-ray machine, 02-imaging plate, 03-X-ray locomotive, 04-imaging plate vehicle, 05-power equipment to be tested, 1-X-ray machine shielding case, 2-imaging plate shielding case, 3-mounting bracket, 4-pneumatic transmission device, 41-cylinder, 42-fixed component, 43-chute, 44-slide rail, 5-outer aluminum layer, 6-inner aluminum layer and 7-lead rubber layer.
Detailed Description
Referring to fig. 1, a schematic structural diagram of a radiation shielding device of an X-ray nondestructive mobile detection platform according to an embodiment of the present application includes: an X-ray machine shielding cover 1, a mounting bracket 3 and an imaging plate shielding cover 2 sleeved on an imaging plate 02, wherein,
the X-ray machine shielding case 1 comprises a plurality of rectangular boxes which are sequentially reduced in size and mutually nested, and the adjacent rectangular boxes are connected in a sliding mode along the horizontal direction. In the embodiment of the application, the shielding case 1 of the X-ray machine comprises 2-10 rectangular boxes with sequentially reduced sizes. Of course, in the implementation process, 2 to 10 are preferred numbers of the rectangular boxes, and the number of the rectangular boxes can be set to any value by a user according to actual situations, so that the implementation process is not limited in detail.
Among the rectangular box bodies with the sizes reduced in sequence and nested with each other, the rectangular box body with the largest size is sleeved on the X-ray machine 01 and fixedly connected with the X-ray locomotive 03 through the mounting bracket 3, and the X-ray shielding cover is fixed on the X-ray locomotive 03 through the mounting bracket 3. In the embodiment of the application, one surface of the rectangle box with the largest size, which is close to the X-ray locomotive, is an X-ray machine sleeving surface, one surface of the rectangle box with the largest size, which is close to the power equipment 05 to be tested, is an X-ray emergent surface, and the X-ray machine sleeving surface and the X-ray emergent surface of the rectangle box with the largest size are both arranged in an opening way. During nondestructive detection of X-rays, X-rays emitted by an X-ray machine are irradiated onto the power equipment 05 to be detected through an X-ray emergent surface arranged on the opening. Because the rectangular box body with the largest size is sleeved on the X-ray machine, X-ray emitted by the X-ray machine can be shielded from external X-ray radiation in the directions of four surfaces except the sleeving surface and the X-ray emitting surface of the X-ray machine.
In the embodiment of the application, the surfaces of the rectangular boxes except the rectangular box with the largest size are the X-ray emergent surfaces of the rectangular boxes, the surface opposite to the X-ray emergent surface is the X-ray incident surface, and the X-ray incident surfaces, the X-ray emergent surfaces and the surface close to the ground of the rectangular boxes except the rectangular box with the largest size are all arranged in an opening way. And because all adjacent rectangle boxes all sliding connection, under such design, other rectangle boxes except that the biggest rectangle box of size all can slide in the horizontal direction to can change the length of X ray machine shield cover in the horizontal direction, simultaneously, the X ray that X ray machine sent can accessible shine to the power equipment 05 that awaits measuring.
In a possible embodiment, the shielding device further comprises a pneumatic transmission device 4, wherein the pneumatic transmission device comprises a sliding component, an air cylinder 41 fixedly arranged on the rectangular box body with the largest size and a fixing component 42 arranged on the rectangular box body with the smallest size, and a piston rod extension line of the air cylinder 41 is fixedly connected with the fixing component 42; the slide assembly includes a chute 43 and a slide rail 44 mated with the chute. As shown in fig. 2, the sliding groove 43 is disposed on an inner wall of a rectangular box with a larger size of two adjacent rectangular boxes, and the sliding rail 44 is disposed on an outer wall of a rectangular box with a smaller size of two adjacent rectangular boxes. In the embodiment of the present application, the chute 43 comprises a V-shaped chute, and the slide rail 44 comprises a triangular slide rail matched with the V-shaped chute. Of course, in the implementation process, the V-shaped sliding groove and the triangular sliding rail are both preferable structures of the sliding groove and the sliding rail, and a user can select the sliding groove and the sliding rail with any structures according to actual situations, which are not limited in detail herein.
When X-ray nondestructive detection is carried out, the fixing component 42 is driven to move along the horizontal direction by the expansion and contraction of the piston rod of the air cylinder 41, so that other box bodies except the rectangular box body with the largest size are driven to move along the horizontal direction. Under the drive of cylinder piston rod, other box except the biggest rectangle box of size all can follow adjacent bigger rectangle box and slide out. When all the rectangular boxes slide out from the adjacent larger rectangular boxes, the length of the shielding cover of the X-ray machine in the horizontal direction reaches the maximum value. When X-ray nondestructive testing is performed, the length of the shielding cover of the X-ray machine in the horizontal direction is adjusted by adjusting the extension and retraction of the air cylinder, so that the rectangular box body with the smallest size is in conflict with the power equipment 05 to be tested, and X-ray leakage between the X-ray machine and the power equipment 05 to be tested can be shielded.
After the nondestructive testing of the X-rays is completed, all rectangular boxes with smaller sizes can slide into the adjacent larger rectangular boxes under the telescopic driving of the piston rod of the air cylinder 41, and other rectangular boxes except the rectangular box with the largest size slide into the rectangular box with the largest size, so that the volume occupation is small.
In the embodiment of the application, the rectangular box with the smallest size is matched with the X-ray machine, and when other rectangular boxes except the rectangular box with the largest size slide into the rectangular box with the largest size, all the rectangular boxes are sleeved on the X-ray machine.
The imaging plate 02 in the X-ray nondestructive moving detection platform is arranged on the imaging plate vehicle 04 through a lifter, can move along with the imaging plate vehicle 04 and can also move up and down through the lifter. The imaging plate shielding cover 2 is sleeved outside the imaging plate 02, the size of the imaging plate shielding cover 2 is matched with that of the imaging plate 02, and the X-ray incidence surface of the imaging plate shielding cover 2 and the surface close to the ground are both provided with openings. In the embodiment of the present application, the X-ray incident surface of the imaging plate shielding case 2 is a surface of the imaging plate shielding case, which is close to the electrical equipment 05 to be tested. In the embodiment of the present application, the length of the imaging plate shielding case 2 in the horizontal direction is 20-100cm, and of course, in the implementation process, 20-100cm is the preferred length of the imaging plate shielding case in the horizontal direction, and the user may set the length of the imaging plate shielding case in the horizontal direction to any value according to the actual situation, which is not limited herein specifically.
During nondestructive detection of X-rays, an X-ray incidence surface of the imaging plate shielding cover 2 is in close contact with the power equipment to be detected 05, and X-ray leakage between the power equipment to be detected 05 and the imaging plate is shielded.
The imaging plate shielding cover 2 and other surfaces of all rectangular boxes except the surface provided with the opening comprise an outer aluminum layer 5 and an inner aluminum layer 6, a lead rubber layer 7 is arranged between the outer aluminum layer 5 and the inner aluminum layer 6, and X-rays are shielded by the mode of arranging the lead rubber layer 7 between the outer aluminum layer 5 and the inner aluminum layer 6. In the specific implementation process, the thickness of the outer aluminum layer 5 and the thickness of the inner aluminum layer 6 are 1-10mm, and the thickness of the lead rubber layer 7 is 5-20mm.
In one possible embodiment, as shown in fig. 3, the lead rubber layer 7 includes a plurality of corrugated lead rubber plates stacked on each other, two ends of each corrugated lead rubber plate are respectively connected to the outer aluminum layer 5 and the inner aluminum layer 6, and planes of peaks of the corrugated lead rubber plates are respectively perpendicular to the outer aluminum layer 5 and the inner aluminum layer 6. The corrugated lead rubber plate is adopted to better shield X-rays on one hand, and on the other hand, the quality of the lead rubber layer can be reduced, the quality of the shielding cover of the X-ray machine and the quality of the shielding cover of the imaging plate can be reduced while the cost is reduced, and the use is convenient.
The embodiment of the application provides a radiation shielding device of an X-ray nondestructive mobile detection platform, which comprises the following components: the X-ray machine shielding cover comprises a plurality of rectangular boxes which are sequentially reduced in size and mutually nested, wherein adjacent rectangular boxes are connected in a sliding mode along the horizontal direction, the rectangular box with the largest size is sleeved on the X-ray machine and is fixedly connected with the X-ray locomotive through the mounting bracket, and an X-ray machine sleeved surface and an X-ray emergent surface of the rectangular box with the largest size are both arranged in an opening mode; the X-ray incident surface, the X-ray emergent surface and the surface close to the ground of the other rectangular box bodies except the rectangular box body with the largest size are all provided with openings; the imaging plate shielding cover is sleeved outside the imaging plate, the size of the imaging plate shielding cover is matched with that of the imaging plate, and the X-ray incidence surface and the surface close to the ground of the imaging plate shielding cover are both provided with openings; the imaging plate shielding cover and all the rectangular boxes comprise an outer aluminum layer and an inner aluminum layer, and a lead rubber layer is arranged between the outer aluminum layer and the inner aluminum layer. According to the X-ray nondestructive mobile detection platform ray shielding device provided by the embodiment of the application, during X-ray nondestructive detection, the length of the shielding cover of the X-ray machine is matched with the distance between the X-ray machine and the power equipment to be detected by adjusting the telescopic length of the shielding cover of the X-ray machine, so that X-rays between the X-ray machine and the power equipment to be detected are shielded; the imaging plate shielding cover is closely contacted with the power equipment to be detected, and can shield X rays between the power equipment to be detected and the imaging plate. The X-ray machine shielding cover and the imaging plate shielding cover shield the X-rays of other parts except the electric equipment to be tested, in addition, as the imaging plate shielding cover and all the rectangular boxes comprise an outer aluminum layer and an inner aluminum layer, a lead rubber layer is arranged between the outer aluminum layer and the inner aluminum layer, the shielding effect of the X-ray machine shielding cover and the imaging plate shielding cover is good; the device comprises two parts, namely the shielding cover of the X-ray machine and the shielding cover of the imaging plate, has small volume and convenient use, and can be suitable for the requirements of X-ray nondestructive detection of any electrical equipment.
Other embodiments of the application will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure of the application herein. This application is intended to cover any variations, uses, or adaptations of the application following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the application pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.
The embodiments of the present application described above do not limit the scope of the present application.
Claims (3)
1. An X-ray nondestructive mobile detection platform radiation shielding device, comprising: an X-ray machine shielding cover (1), a mounting bracket (3), a pneumatic transmission device (4) and an imaging plate shielding cover (2) sleeved on an imaging plate (02), wherein,
the X-ray machine shielding cover (1) comprises a plurality of rectangular boxes which are sequentially reduced in size and mutually nested, the adjacent rectangular boxes are connected in a sliding mode along the horizontal direction, the rectangular box with the largest size is sleeved on the X-ray machine (01) and is fixedly connected with the X-ray locomotive (03) through the mounting bracket (3), and an X-ray machine sleeved surface and an X-ray emergent surface of the rectangular box with the largest size are both arranged in an opening mode; the X-ray incident surface, the X-ray emergent surface and the surface close to the ground of the other rectangular box bodies except the rectangular box body with the largest size are all provided with openings;
the pneumatic transmission device (4) comprises a sliding component, a cylinder (41) fixedly arranged on the rectangular box body with the largest size and a fixing component (42) arranged on the rectangular box body with the smallest size, wherein,
the extension line of a piston rod of the air cylinder (41) is fixedly connected with the fixing assembly (42); the sliding assembly comprises a sliding groove (43) and a sliding rail (44) matched with the sliding groove (43), the sliding groove (43) is arranged on the inner wall of a rectangular box body with a larger size in two adjacent rectangular box bodies, and the sliding rail (44) is arranged on the outer wall of a rectangular box body with a smaller size in two adjacent rectangular box bodies;
the imaging plate shielding cover (2) is sleeved outside the imaging plate (02), the size of the imaging plate shielding cover (2) is matched with that of the imaging plate (02), and an X-ray incident surface and a surface close to the ground of the imaging plate shielding cover (2) are both provided with openings;
the imaging plate shielding cover (2) and all the rectangular box bodies comprise an outer aluminum layer (5) and an inner aluminum layer (6), and a lead rubber layer (7) is arranged between the outer aluminum layer (5) and the inner aluminum layer (6);
the lead rubber layer (7) comprises a plurality of corrugated lead rubber plates which are mutually overlapped, two ends of each corrugated lead rubber plate are respectively connected with the outer aluminum layer (5) and the inner aluminum layer (6), and planes of wave crests of the corrugated lead rubber plates are respectively perpendicular to the outer aluminum layer (5) and the inner aluminum layer (6).
2. The device according to claim 1, characterized in that the thickness of the outer aluminium layer (5) and the inner aluminium layer (6) is 1-10mm.
3. The device according to claim 1, characterized in that the thickness of the lead rubber layer (7) is 5-20mm.
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| CN107783201B (en) * | 2017-10-25 | 2024-04-02 | 同方威视技术股份有限公司 | Optical machine shielding cover and security inspection equipment |
| CN109540934A (en) * | 2018-12-28 | 2019-03-29 | 中核北方核燃料元件有限公司 | The adaptive boundary screening arrangement of fuel rod X-ray detection |
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