CN106879156B - Accelerator position adjusting mechanism and shielding container of electronic induction accelerator - Google Patents
Accelerator position adjusting mechanism and shielding container of electronic induction accelerator Download PDFInfo
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- CN106879156B CN106879156B CN201710240111.3A CN201710240111A CN106879156B CN 106879156 B CN106879156 B CN 106879156B CN 201710240111 A CN201710240111 A CN 201710240111A CN 106879156 B CN106879156 B CN 106879156B
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- 230000006698 induction Effects 0.000 title claims abstract description 70
- 230000007246 mechanism Effects 0.000 title claims abstract description 38
- 230000005855 radiation Effects 0.000 claims description 18
- 229910000831 Steel Inorganic materials 0.000 claims description 16
- 239000010959 steel Substances 0.000 claims description 16
- 230000000712 assembly Effects 0.000 description 4
- 238000000429 assembly Methods 0.000 description 4
- 238000007689 inspection Methods 0.000 description 4
- 238000003384 imaging method Methods 0.000 description 3
- 238000011900 installation process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000003631 expected effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H7/00—Details of devices of the types covered by groups H05H9/00, H05H11/00, H05H13/00
- H05H7/001—Arrangements for beam delivery or irradiation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V5/00—Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity
- G01V5/20—Detecting prohibited goods, e.g. weapons, explosives, hazardous substances, contraband or smuggled objects
-
- 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
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H7/00—Details of devices of the types covered by groups H05H9/00, H05H11/00, H05H13/00
- H05H7/001—Arrangements for beam delivery or irradiation
- H05H2007/002—Arrangements for beam delivery or irradiation for modifying beam trajectory, e.g. gantries
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- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
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- Particle Accelerators (AREA)
Abstract
The invention provides an accelerator position adjusting mechanism and an electronic induction accelerator shielding container, wherein the accelerator position adjusting mechanism comprises: the fixed plate is arranged on the bottom wall of the accommodating cavity of the shielding container of the electronic induction accelerator and can slide along the left-right direction relative to the bottom wall of the accommodating cavity, and the fixed plate is used for fixing the electronic induction accelerator; the left end and/or the right end of the side wall of the accommodating cavity are/is provided with through holes, the first end of the operating element penetrates through the through holes and is matched with the fixing plate, the second end of the operating element is positioned outside the shielding container of the electronic induction accelerator, and the operating element is used for driving the fixing plate to slide along the left-right direction relative to the bottom wall of the accommodating cavity. According to the accelerator position adjusting mechanism provided by the scheme, the position of the electronic induction accelerator can be adjusted outside the shielding container, the upper cover of the shielding container does not need to be disassembled and assembled, the difficulty of accelerator position adjustment work is greatly reduced, the workload is reduced, and therefore the time consumed by adjusting the position of the accelerator can be shortened.
Description
Technical Field
The present invention relates to the field of radiation scanning inspection, and more particularly, to a position adjustment mechanism for an accelerator, and an electron induction accelerator shielding container with the accelerator position adjusting mechanism.
Background
In the prior art, part of radiation scanning inspection systems adopt an electronic induction accelerator to manufacture rays, the rays generated by the electronic induction accelerator are 4pi spherical, useless rays except for the solid angle of the direction of an imaging fan beam are required to be shielded, therefore, the electronic induction accelerator is required to be installed in a shielding container, a ray outlet is arranged on the shielding container, the imaging ray fan beam is emitted from the ray outlet, and the superfluous rays are shielded by the shielding container. However, after the electronic induction accelerator is installed in the shielding container, if the radiation emitting port of the accelerator is not aligned with the radiation outlet on the shielding container, the radiation quantity emitted by the radiation outlet of the shielding container is insufficient, at this time, the upper cover of the shielding container needs to be opened to adjust the position of the accelerator, and the adjustment work may need to be repeated for a plurality of times to achieve the expected effect, but the upper cover of the shielding container is heavy, and the upper cover of the shielding container needs to be mechanically lifted for disassembly and assembly, which also causes the accelerator to be adjusted in position with large workload and long time consumption.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art.
To this end, it is an object of the present invention to provide an accelerator position adjustment mechanism.
Another object of the present invention is to provide an electronic induction accelerator shielding container, comprising the above accelerator position adjusting mechanism.
To achieve the above object, an embodiment of a first aspect of the present invention provides an accelerator position adjustment mechanism for an electronic induction accelerator shielding container having a housing chamber for housing an electronic induction accelerator, a front end of a side wall of the housing chamber being provided with a radiation outlet, the accelerator position adjustment mechanism comprising: the fixing plate is arranged on the bottom wall of the accommodating cavity and can slide along the left-right direction relative to the bottom wall of the accommodating cavity, and the fixing plate is used for fixing the electronic induction accelerator; the operation piece, the left end and/or the right-hand member of holding the chamber lateral wall are equipped with the through-hole, the first end of operation piece pass the through-hole and with the fixed plate cooperation, the second end of operation piece is located outside the electronic induction accelerator shielding container, the operation piece is used for driving the fixed plate is relative hold the diapire in chamber and follow left and right directions slip.
According to the scheme, the slidable fixing plate is arranged at the bottom of the accommodating cavity of the shielding container of the electronic induction accelerator, the through hole is formed in the left end and/or the right end of the side wall of the accommodating cavity, the operation piece is arranged in the through hole, one end of the operation piece is matched with the mounting plate, the other end of the operation piece extends out of the shielding container, the electronic induction accelerator is fixed on the fixing plate, the part, extending out of the shielding container, of the driving operation piece can push the fixing plate to slide left and right relative to the bottom wall of the accommodating cavity, so that the position of the electronic induction accelerator is adjusted, and a ray emitting opening of the electronic induction accelerator is aligned with a ray outlet on the shielding container. According to the accelerator position adjusting mechanism provided by the scheme, the position of the electronic induction accelerator can be adjusted outside the shielding container, the upper cover of the shielding container does not need to be disassembled and assembled, the difficulty of accelerator position adjustment work is greatly reduced, the workload is reduced, and therefore the time consumed by adjusting the position of the accelerator can be shortened. The through hole is formed in the left end and/or the right end of the side wall of the accommodating cavity, the position of the through hole is far away from the radiation emitting port and the target plane of the electronic induction accelerator, radiation leakage is avoided, and therefore the safety of a product is improved.
Specifically, a fixing pin may be provided on the upper surface of the fixing plate, the fixing pin is matched with the pin hole at the bottom of the electronic induction accelerator to fix the electronic induction accelerator. The fixed plate is also provided with a heat radiation hole for the heat radiation of the electronic induction accelerator.
In the above technical solution, preferably, the left end and the right end of the side wall of the accommodating cavity are respectively provided with through holes, the number of the operating parts is two, and the two operating parts respectively pass through the two through holes and respectively match with the left end and the right end of the fixing plate.
In any of the above technical solutions, optionally, the operating element is a jackscrew, an external thread is provided on the jackscrew, a fixed block is provided on the outer side wall of the shielding container of the electronic induction accelerator at a position opposite to the through hole, a screw hole is provided on the fixed block, the screw hole is aligned with the through hole, the jackscrew is screwed with the screw hole, and the first end of the jackscrew is in interference fit with the fixed plate, the second end of the jackscrew extends out of the screw hole and is located outside the shielding container of the electronic induction accelerator, and the second end of the jackscrew can drive the fixed plate to slide by rotating.
According to the scheme, the accelerator is adjusted by the jackscrew device, the operating piece is the jackscrew body, the fixed block is arranged on the outer side wall of the shielding container, the jackscrew body is screwed with the screw hole on the fixed block, the first end of the jackscrew body is in interference fit with the fixed plate, the second end of the jackscrew body extends out of the screw hole and is positioned outside the shielding container, the accelerator position adjusting mechanism is simple in mechanism, low in cost, the position of the electronic induction accelerator can be adjusted by rotating the second end of the jackscrew body, the operation is simple, self-locking can be realized, the fixed plate is prevented from sliding uncontrollably, and the accelerator position work can be ensured to be carried out more smoothly.
In any of the above technical solutions, preferably, the shielding container of the electronic induction accelerator includes a lead shielding body and a steel plate wrapping the surface of the lead shielding body, and the fixing block is fixedly connected with the steel plate.
The fixing block can be welded on the steel plate on the surface of the lead shielding body, so that the installation process is simple, and the connection strength is high. Generally set up on the fixed block and carry out complex internal thread hole with the jackscrew body, set up the through-hole into the unthreaded hole, require this unthreaded hole and the circumference clearance of jackscrew body as little as possible, and the diameter of jackscrew body is also as little as possible to the biggest useless ray of jackscrew position leakage of avoiding, thereby guarantee the security of product.
In any of the above technical solutions, preferably, the operating element is a jackscrew body, an external thread is provided on the jackscrew body, the through hole is a screw hole, the jackscrew body and the screw hole are screwed, and the first end of the jackscrew body is in interference fit with the fixing plate, the second end of the jackscrew body extends out of the screw hole and is located outside the shielding container of the electronic induction accelerator, and the second end of the jackscrew body can drive the fixing plate to slide by rotating.
According to the scheme, the position of the accelerator is adjusted by the jackscrew device, the operating piece is the jackscrew body, the screw hole is formed in the side wall of the accommodating cavity, the screw hole of the jackscrew body is screwed, the first end of the jackscrew body is in interference fit with the fixing plate, the second end of the jackscrew body extends out of the screw hole and is located outside the shielding container, the accelerator position adjusting mechanism is simple in mechanism and low in cost, the position of the electronic induction accelerator can be adjusted by rotating the second end of the jackscrew body, the operation is simple, self-locking can be realized, the fixing plate is prevented from sliding uncontrollably, and the accelerator position work can be guaranteed to be carried out smoothly.
In any of the above technical solutions, preferably, the shielding container of the electronic induction accelerator includes a lead shielding body and a steel plate wrapping the surface of the lead shielding body, an internal threaded tube for being matched with the jackscrew body is embedded in the lead shielding body, and a hole is formed in a position, opposite to the internal threaded tube, on the steel plate.
Because the lead shielding body is softer and the surface steel plate is thinner, the lead shielding body is not suitable for being provided with screw holes, and therefore, the technical problem is solved by the design because the internal thread pipe is pre-buried when the lead shielding body is produced.
In any of the above technical solutions, preferably, the jackscrew body is a bolt or a screw.
In any of the above technical solutions, preferably, a linear guide rail is disposed between the fixing plate and the bottom wall of the accommodating cavity, the linear guide rail is disposed along a left-right direction, and the fixing plate and the bottom wall of the accommodating cavity are movably connected through the linear guide rail.
The linear guide rail is arranged between the fixed plate and the bottom wall of the accommodating cavity, so that the maximum static friction force between the fixed plate and the bottom wall of the accommodating cavity is reduced, and the fixed plate is easy to push by the operating piece, so that the work of adjusting the position of the accelerator is more labor-saving and is easier to complete.
In any of the above technical solutions, preferably, the linear guide rail includes a guide rail and a slider slidingly engaged with the guide rail, the guide rail is fixedly disposed on a bottom wall of the accommodating cavity, and the slider is fixedly disposed on a lower surface of the fixing plate.
Embodiments of the second aspect of the present invention provide an electronic induction accelerator shielding container comprising an accelerator position adjustment mechanism as provided in any of the embodiments of the first aspect of the present invention.
An electronic induction accelerator shielding container according to a second aspect of the present invention includes the accelerator position adjusting mechanism according to any one of the first aspect of the present invention, so that the electronic induction accelerator shielding container has all the advantages of the accelerator position adjusting mechanism according to any one of the foregoing embodiments, and is not described herein.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, or may be learned by practice of the invention.
Drawings
The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic view of a shielding container for an electronic induction accelerator according to an embodiment of the present invention;
FIG. 2 is a schematic view of the structure of the inside of the shielding container of the betatron shown in FIG. 1;
fig. 3 is an enlarged schematic view of the portion a shown in fig. 2.
Wherein, the correspondence between the reference numerals and the component names in fig. 1 to 3 is:
1 an electronic induction accelerator shielding container, 11 an upper cover, 12 a box body, 121 a holding cavity, 2 a fixing plate, 3 a fixing block, 131 screw holes, 4 sliding blocks, 5 guide rails, 6 brackets and 7 jackscrew assemblies.
Detailed Description
In order that the above-recited objects, features and advantages of the present invention will be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced otherwise than as described herein, and therefore the scope of the present invention is not limited to the specific embodiments disclosed below.
As shown in fig. 1 to 3, an embodiment of the first aspect of the present invention provides an accelerator position adjusting mechanism for an electronic induction accelerator shielding container 1, the electronic induction accelerator shielding container 1 including a case 12 and an upper cover 11 detachably mounted on top of the case 12, a housing chamber 121 for housing an electronic induction accelerator being provided in the case 12, a radiation outlet being provided at a front end of a side wall of the housing chamber 121, the accelerator position adjusting mechanism comprising: a fixing plate 2 mounted on the bottom wall of the accommodating chamber 121 and slidable in a left-right direction with respect to the bottom wall of the accommodating chamber 121, the fixing plate 2 being for fixing the betatron; and the left end and/or the right end of the side wall of the accommodating cavity 121 are/is provided with through holes, the first end of the operating element penetrates through the through holes and is matched with the fixing plate 2, the second end of the operating element is positioned outside the shielding container 1 of the electronic induction accelerator, and the operating element is used for driving the fixing plate 2 to slide along the left-right direction relative to the bottom wall of the accommodating cavity 121.
According to the scheme, the slidable fixing plate 2 is arranged at the bottom of the accommodating cavity 121 of the shielding container 1 of the electronic induction accelerator, through holes are formed in the left end and/or the right end of the side wall of the accommodating cavity 121, an operating piece is arranged in each through hole, one end of the operating piece is matched with the mounting plate, the other end of the operating piece extends out of the shielding container, the electronic induction accelerator is fixed on the fixing plate 2, the part, which drives the operating piece to extend out of the shielding container, can push the fixing plate 2 to slide left and right relative to the bottom wall of the accommodating cavity 121, so that the position of the electronic induction accelerator is adjusted, and a ray emitting opening of the electronic induction accelerator is aligned with a ray outlet on the shielding container. Through the accelerator position adjusting mechanism provided by the scheme, the position of the electronic induction accelerator can be adjusted outside the shielding container, the upper cover 11 of the shielding container does not need to be disassembled and assembled, the difficulty of accelerator position adjustment work is greatly reduced, the workload is reduced, and the time consumed by adjusting the position of the accelerator can be shortened. Wherein the radiation emitting port of the electron induction accelerator faces to the front of the accommodating cavity 121, the left end and/or the right end of the side wall of the accommodating cavity 121 is provided with a through hole, the through hole is far away from the ray emission port and the target plane of the electronic induction accelerator, so that ray leakage is avoided, and the safety of products is improved.
Specifically, a fixing pin may be provided on the upper surface of the fixing plate 2, and the fixing pin is engaged with a pin hole of the bottom of the betatron to fix the betatron. The fixed plate 2 is also provided with a heat radiation hole for the heat radiation of the electronic induction accelerator.
In the above technical solution, preferably, the left end and the right end of the side wall of the accommodating cavity 121 are respectively provided with through holes, the number of the operating members is two, and the two operating members respectively pass through the two through holes and respectively cooperate with the left end and the right end of the fixed plate 2.
In one embodiment of the present invention, as shown in fig. 1 and 2, the operating member is a jackscrew, an external thread is provided on the jackscrew, a fixing block 3 is provided on the outer sidewall of the shielding container 1 of the electronic induction accelerator at a position opposite to the through hole, a screw hole 131 is provided on the fixing block 3, the screw hole 131 is aligned with the through hole, the jackscrew is screwed with the screw hole 131, a first end of the jackscrew is in interference fit with the fixing plate 2, a second end of the jackscrew extends out of the screw hole 131 and is located outside the shielding container 1 of the electronic induction accelerator, and the fixing plate 2 can be driven to slide by rotating the second end of the jackscrew.
According to the scheme, the accelerator is adjusted by the jackscrew device, the operating piece is a jackscrew body, the fixed block 3 is arranged on the outer side wall of the shielding container, the jackscrew body is screwed with the screw hole 131 on the fixed block 3, the first end of the jackscrew body is in interference fit with the fixed plate 2, the second end of the jackscrew body extends out of the screw hole 131 and is positioned outside the shielding container, the accelerator position adjusting mechanism is simple in mechanism and low in cost, the position of the electronic induction accelerator can be adjusted by rotating the second end of the jackscrew body, the operation is simple, self-locking can be realized, the fixed plate 2 is prevented from sliding uncontrollably, and the accelerator position work can be ensured to be carried out more smoothly.
In the above embodiment, it is preferable that the electric induction accelerator shielding container 1 includes a lead shield and a steel plate wrapping the surface of the lead shield, and the fixing block 3 is fixedly attached to the steel plate.
The fixing block 3 can be welded on the steel plate on the surface of the lead shielding body generally, the installation process is simple, the connection strength is high, an internal thread hole matched with the jackscrew body is generally arranged on the fixing block 3, the through hole is set to be a unthreaded hole, the circumferential gap between the unthreaded hole and the jackscrew body is required to be as small as possible, the diameter of the jackscrew body is also required to be as small as possible, and useless rays are prevented from leaking from the jackscrew position as much as possible, so that the safety of a product is ensured.
In another embodiment of the present invention, preferably, the operation member is a jackscrew body, the jackscrew body is provided with external threads, the through hole is a screw hole, the jackscrew body is screwed with the screw hole, the first end of the jackscrew body is in interference fit with the fixing plate, the second end of the jackscrew body extends out of the screw hole and is located outside the shielding container of the electronic induction accelerator, and the fixing plate can be driven to slide by rotating the second end of the jackscrew body.
According to the scheme, the position of the accelerator is adjusted by the jackscrew device, the operating piece is the jackscrew body, the screw hole is formed in the side wall of the accommodating cavity, the screw hole of the jackscrew body is screwed, the first end of the jackscrew body is in interference fit with the fixing plate, the second end of the jackscrew body extends out of the screw hole and is located outside the shielding container, the accelerator position adjusting mechanism is simple in mechanism and low in cost, the position of the electronic induction accelerator can be adjusted by rotating the second end of the jackscrew body, the operation is simple, self-locking can be realized, the fixing plate is prevented from sliding uncontrollably, and the accelerator position work can be guaranteed to be carried out smoothly.
In the above embodiment, it is preferable that the shielding container of the electronic induction accelerator includes a lead shielding body and a steel plate wrapping the surface of the lead shielding body, an internal thread pipe matched with the jackscrew body is embedded in the lead shield body, and a hole is formed in the position, opposite to the internal thread pipe, of the steel plate.
Because the lead shielding body is softer and the surface steel plate is thinner, the lead shielding body is not suitable for being provided with screw holes, and therefore, the technical problem is solved by the design because the internal thread pipe is pre-buried when the lead shielding body is produced.
In any of the above embodiments, preferably, the jackscrew is a bolt or a screw.
In any of the above embodiments, preferably, a linear guide is disposed between the fixing plate 2 and the bottom wall of the accommodating chamber 121, and the linear guide is disposed in the left-right direction, and the fixing plate 2 and the bottom wall of the accommodating chamber 121 are movably connected by the linear guide.
The linear guide rail is arranged between the fixed plate 2 and the bottom wall of the accommodating cavity 121, so that the maximum static friction force between the fixed plate 2 and the bottom wall is reduced, the fixed plate 2 is easy to push by an operation piece, and the work of adjusting the position of the accelerator is more labor-saving and is easier to complete.
As shown in fig. 3, in any of the above embodiments, preferably, the linear guide includes a guide rail 5 and a slider 4 slidably engaged with the guide rail 5, the guide rail 5 is fixedly disposed on the bottom wall of the accommodating chamber 121, and the slider 4 is fixedly disposed on the lower surface of the fixing plate 2.
Embodiments of the second aspect of the present invention provide an electronic induction accelerator shielding container comprising an accelerator position adjustment mechanism as provided in any of the embodiments of the first aspect of the present invention.
An electronic induction accelerator shielding container according to a second aspect of the present invention includes the accelerator position adjusting mechanism according to any one of the first aspect of the present invention, so that the electronic induction accelerator shielding container has all the advantages of the accelerator position adjusting mechanism according to any one of the foregoing embodiments, and is not described herein.
As shown in fig. 1 and 2, the betatron shielding container 1 is used in a radiation scanning inspection system, the betatron shielding container 1 is usually placed on a support 6 with a top inclined, a plurality of jackscrew assemblies 7 are arranged around the support 6, the jackscrew assemblies 7 are used for adjusting the positions of the support 6 so as to adjust the relative positions of the betatron shielding container 1 and a detector cabin in the radiation scanning inspection system, thereby ensuring the scanning imaging effect, and the jackscrew assemblies 7 can play a role of fixing the positions of the support 6 so as to fix the positions of the betatron shielding container 1 and prevent the betatron shielding container 1 from moving.
In the description of the present invention, it should be understood that the terms "top," "bottom," "upper," "lower," "front," "rear," "left," "right," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. The terms "coupled," "mounted," "secured," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally connected, for example; it may be a direct connection or a direct connection, or may be indirectly connected through an intervening medium. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present specification, the terms "one embodiment," "some embodiments," "particular embodiments," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. An accelerator position adjustment mechanism for an electron induction accelerator shielding container having a housing chamber for housing an electron induction accelerator, the front end of the housing chamber side wall being provided with a radiation outlet, characterized in that the accelerator position adjustment mechanism comprises:
the fixing plate is arranged on the bottom wall of the accommodating cavity and can slide along the left-right direction relative to the bottom wall of the accommodating cavity, and the fixing plate is used for fixing the electronic induction accelerator;
the left end and/or the right end of the side wall of the accommodating cavity are/is provided with through holes, the first end of the operating piece penetrates through the through holes and is matched with the fixing plate, the second end of the operating piece is positioned outside the shielding container of the electronic induction accelerator, and the operating piece is used for driving the fixing plate to slide along the left-right direction relative to the bottom wall of the accommodating cavity;
a linear guide rail is arranged between the fixed plate and the bottom wall of the accommodating cavity, the linear guide rail is arranged along the left-right direction, and the fixed plate and the bottom wall of the accommodating cavity can be movably connected through the linear guide rail;
the left end and the right end of holding the chamber lateral wall are equipped with the through-hole respectively, the quantity of operating piece is two, two the operating piece passes two through-holes respectively and respectively with the left end and the right-hand member cooperation of fixed plate.
2. The accelerator position adjustment mechanism according to claim 1, characterized in that,
the operation piece is the jackscrew body, be equipped with the external screw thread on the jackscrew body, on the electronic induction accelerator shielding container lateral wall with the position that the through-hole is relative is equipped with the fixed block, be equipped with the screw on the fixed block, the screw with the through-hole aligns, the jackscrew body with the screw closes soon, just the first end of jackscrew body with the fixed plate interference fit, the second end stretches out the screw and is located outside the electronic induction accelerator shielding container, through rotating the second end of jackscrew body can drive the fixed plate slides.
3. The accelerator position adjustment mechanism according to claim 2, characterized in that,
the shielding container of the electronic induction accelerator comprises a lead shielding body and a steel plate wrapping the surface of the lead shielding body, and the fixing block is fixedly connected with the steel plate.
4. The accelerator position adjustment mechanism according to claim 1, characterized in that,
the operation piece is the jackscrew body, be equipped with the external screw thread on the jackscrew body, the through-hole is the screw, the jackscrew body with the screw closes soon, just the first end of jackscrew body with fixed plate interference fit, the second end stretch out the screw and be located outside the electronic induction accelerator shielding container, through rotating the jackscrew body the second end can drive the fixed plate slides.
5. The accelerator position adjustment mechanism according to claim 4,
the shielding container of the electronic induction accelerator comprises a lead shielding body and a steel plate wrapping the surface of the lead shielding body, wherein an internal threaded pipe matched with the jackscrew body is embedded in the lead shielding body, and a hole is formed in the position, opposite to the internal threaded pipe, of the steel plate.
6. The accelerator position adjustment mechanism according to any one of claims 2 to 5,
the jackscrew body is a bolt or a screw rod.
7. The accelerator position adjustment mechanism according to claim 1, characterized in that,
the linear guide rail comprises a guide rail and a slide block in sliding fit with the guide rail, the guide rail is fixedly arranged on the bottom wall of the accommodating cavity, and the slide block is fixedly arranged on the lower surface of the fixing plate.
8. An electron induction accelerator shielding container comprising the accelerator position adjusting mechanism according to any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710240111.3A CN106879156B (en) | 2017-04-13 | 2017-04-13 | Accelerator position adjusting mechanism and shielding container of electronic induction accelerator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710240111.3A CN106879156B (en) | 2017-04-13 | 2017-04-13 | Accelerator position adjusting mechanism and shielding container of electronic induction accelerator |
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| CN106879156A CN106879156A (en) | 2017-06-20 |
| CN106879156B true CN106879156B (en) | 2024-02-02 |
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| CN107807398B (en) * | 2017-11-16 | 2024-06-28 | 北京华力兴科技发展有限责任公司 | Shielded container assembly and self-propelled container/vehicle inspection apparatus |
| CN107979911B (en) * | 2017-12-26 | 2024-06-14 | 同方威视技术股份有限公司 | Pull-out support for an accelerator and accelerator cabin structure |
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