CN110567995B - Channel type X-ray security inspection device - Google Patents
Channel type X-ray security inspection device Download PDFInfo
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- CN110567995B CN110567995B CN201911039258.1A CN201911039258A CN110567995B CN 110567995 B CN110567995 B CN 110567995B CN 201911039258 A CN201911039258 A CN 201911039258A CN 110567995 B CN110567995 B CN 110567995B
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- 238000007689 inspection Methods 0.000 title claims abstract description 53
- 230000005540 biological transmission Effects 0.000 claims abstract description 36
- 230000001360 synchronised effect Effects 0.000 claims abstract description 19
- 230000000694 effects Effects 0.000 claims abstract description 13
- 238000001514 detection method Methods 0.000 claims abstract description 12
- 238000001914 filtration Methods 0.000 claims description 24
- 238000009434 installation Methods 0.000 claims description 8
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 230000001276 controlling effect Effects 0.000 claims description 7
- 239000005022 packaging material Substances 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 238000002834 transmittance Methods 0.000 claims description 3
- 230000002146 bilateral effect Effects 0.000 claims description 2
- 230000005855 radiation Effects 0.000 abstract description 21
- 230000003028 elevating effect Effects 0.000 description 3
- 230000035515 penetration Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
- G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
- G01N23/04—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material
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- G01V5/22—
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2223/00—Investigating materials by wave or particle radiation
- G01N2223/03—Investigating materials by wave or particle radiation by transmission
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2223/00—Investigating materials by wave or particle radiation
- G01N2223/10—Different kinds of radiation or particles
- G01N2223/101—Different kinds of radiation or particles electromagnetic radiation
- G01N2223/1016—X-ray
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2223/00—Investigating materials by wave or particle radiation
- G01N2223/60—Specific applications or type of materials
- G01N2223/643—Specific applications or type of materials object on conveyor
Abstract
The invention discloses a channel type X-ray security inspection device, which comprises a base and an X-ray security inspection machine, wherein a conveying device is arranged in the base, the conveying device comprises a rotatable conveying belt, the conveying belt drives packages to be conveyed from right to left, opening and closing devices are arranged on the front side and the rear side of the conveying belt, the opening and closing devices comprise rotatable opening and closing rotating rods, the distance between the opening and closing rotating rods can be adjusted according to the sizes of the packages, an X-ray perspective view is formed on an X-ray detection box for security inspection by the transmission of the X-ray through the packages conveyed from right to left, the X-ray irradiation range and the X-ray dosage can be adjusted, wherein the X-ray irradiation range is synchronous with the opening and closing devices, the input package volume size can be matched with the X-ray irradiation range, the security inspection is comprehensive, the leakage of the X-ray is reduced, the radiation is reduced, and the adjustment of the X-ray dosage can be, the radiation is reduced while the security inspection effect is improved.
Description
Technical Field
The invention relates to the technical field of security inspection, in particular to a channel type X-ray security inspection device.
Background
Goods or parcel security check at station adopt the X ray that the security check instrument sent to penetrate the parcel usually and shine, form the X ray perspective on X ray detection case afterwards, detect the harm article in the parcel, but the X ray has certain radiation, though install the lead curtain at the both ends of security check machine, the input and the output of nevertheless parcel can make the lead curtain lift, the X ray leaks, and for improving the irradiation effect of X ray, usually the X ray dose is fixed and be the biggest, so that carry out deep security check to the parcel multilayer and the parcel that is difficult to detect, at this moment, the radiation is the biggest, when then the parcel security check that small volume or X ray are convenient for to penetrate, increase the leakage of radiation. The present invention sets forth a device that solves the above problems.
Disclosure of Invention
The technical problem is as follows:
the penetration range and the X-ray dose of the X-ray in the traditional channel type security inspection device cannot be adjusted, and the radiation is large.
In order to solve the problems, the embodiment designs a channel type X-ray security inspection device, the channel type X-ray security inspection device comprises a base and an X-ray security inspection machine, a conveying device is arranged in the base and comprises a rotatable conveying belt, the conveying belt drives packages to be conveyed from right to left, opening and closing devices are arranged on the front side and the rear side of the conveying belt and comprise rotatable opening and closing rotating rods, the distance between the opening and closing rotating rods can be adjusted according to the sizes of the packages, the X-ray security inspection machine is fixedly arranged on the upper end surface of the base, an X-ray detection box is arranged on the front end surface of the X-ray security inspection machine, a security inspection cavity is arranged in the X-ray security inspection machine, a manipulation block is fixedly arranged on the upper end surface of the X-ray security inspection machine, a ray regulation cavity is arranged in the manipulation block, and a rotatable ray baffle is rotatably arranged in, the X-ray detection device is characterized in that an X-ray generator is arranged in the middle of the ray baffle, the X-ray generator works to send X-rays to penetrate through the package on the conveying belt, an X-ray perspective view is formed on the X-ray detection box and used for security inspection, a range adjusting device is arranged on the upper side of the ray regulation and control cavity and comprises compression bars which are symmetrical front and back, the compression bars can be pushed to rotate oppositely by descending of the compression bars, the irradiation range of the X-rays is adjusted according to the size of the package, a dose regulating and control device is arranged on the outer side of the ray regulation and control cavity and comprises a rotatable filter plate, the periphery of the ray baffle is sleeved with the filter plate, the filter plate can filter the X-rays, and then the dose of the X.
Preferably, lead curtains are respectively installed on the left side and the right side of the upper end wall of the security inspection cavity, symmetrical and foldable lead plates are installed between the front ray baffle and the rear ray baffle, the ray baffles, the lead plates and the lead curtains can both block X rays from leaking, and the X-ray radiation shielding device has the effects that the X rays emitted by the X-ray generator are downwards used for irradiating and wrapping, so that the outward scattering of the X rays in the horizontal direction is reduced, and the radiation is reduced.
Preferably, the center pin has set firmly in ray regulation and control intracavity, it is equipped with the inner ring piece to rotate the cover on the center pin, the front side the ray baffle through first connecting block fixed mounting in on the inner ring piece, the inner ring piece periphery is rotated the cover and is equipped with the outer ring piece, be equipped with logical groove in the outer ring piece, first connecting block runs through lead to groove, the rear side the ray baffle pass through second connecting block fixed mounting in on the outer ring piece, outer ring piece inner wall with the torsional spring has set firmly between the inner ring piece periphery, the center pin lower extreme has set firmly bilateral symmetry's installation piece, X ray generator fixed mounting in installation piece lower extreme, thereby front and back the ray baffle can rotate in opposite directions.
The conveying device comprises a conveying cavity, a conveying groove is formed in the lower end wall of the conveying cavity in a communicated mode, a conveying shaft which is symmetrical left and right is installed in the conveying groove in a rotating mode, conveying wheels are fixedly arranged on the conveying shaft and are connected through conveying belt power, the rear end of the conveying shaft on the right side is connected with a conveying motor installed on the rear end wall of the conveying groove in a power mode, and therefore the conveying motor works to drive the conveying belt to rotate, so that packages are conveyed leftwards to be subjected to security inspection.
The opening and closing device comprises opening and closing rotary grooves which are symmetrical front and back, an opening and closing rotary shaft is installed in the opening and closing rotary grooves in a rotating mode, the opening and closing rotary rods are fixedly arranged on the opening and closing rotary shaft, synchronous belt wheels which are symmetrical left and right are arranged in the opening and closing rotary grooves respectively, the synchronous belt wheels on the right side are fixedly arranged on the opening and closing rotary shaft, the synchronous belt wheels are connected through synchronous belt power, the center of the synchronous belt wheel on the left side is fixedly provided with a connecting shaft, and therefore the connecting shaft drives the opening and closing rotary rods to rotate when rotating, and conveying positions of packages can be adjusted.
Wherein, the range adjusting device comprises a lifting cavity communicated with the ray regulation and control cavity, a threaded shaft is rotatably arranged in the lifting cavity, a lifting plate is connected with the threaded shaft through threads, a pressure rod is fixedly arranged on the lower end surface of the lifting plate, the lower end of the pressure rod can extend into the ray regulation and control cavity, a gear wheel cavity is communicated and arranged in the upper end wall of the lifting cavity, the upper end of the threaded shaft extends into the gear wheel cavity and is fixedly provided with a first bevel gear, the left end of the first bevel gear is engaged and connected with a second bevel gear, the center of the second bevel gear is fixedly provided with a transmission shaft, the left end of the transmission shaft is in power connection with a power motor arranged in the left end wall of the gear wheel cavity, the right side of the gear wheel cavity is provided with a transmission cavity, transmission belt pulleys which are symmetrical up and down are arranged in the transmission cavity, and the right, the center of the transmission belt wheel at the lower side is fixedly provided with an installation shaft which is rotatably arranged in the transmission cavity, a third bevel gear is fixedly arranged on the mounting shaft, the rear end of the third bevel gear is connected with a fourth bevel gear in a meshing way, a gear rotating shaft is fixedly arranged at the center of the fourth bevel gear, a meshing cavity is arranged at the rear side of the transmission cavity, the rear end of the gear rotating shaft extends into the meshing cavity and is fixedly provided with a fifth bevel gear, the lower side of the fifth bevel gear is in meshing connection with a sixth bevel gear which is fixedly connected with the top end of the connecting shaft, so that the power motor works to drive the threaded shaft to rotate, the lifting plate drives the pressure rod to descend, the ray baffles rotate oppositely, the emission range of X-rays is narrowed, meanwhile, the power motor can provide power for the operation of the opening and closing device through transmission.
The dosage regulation and control device comprises an arc-shaped groove, the filter plate is rotatably installed in the arc-shaped groove, an annular plate is fixedly arranged on the left end face of the filter plate, a driving groove is formed in the left side of the arc-shaped groove in a communicated mode, a driving gear is rotatably installed in the driving groove through a driving shaft, the periphery of the driving gear is fixedly connected with the annular plate, a driving motor is fixedly arranged on the right end wall of the driving groove, and the right end of the driving shaft is in power connection with the driving motor, so that the driving motor works to drive the filter plate to rotate, and the dosage of X rays emitted by the X ray generator is regulated.
Preferably, the filter plate is equally divided into three filtering stepped portions, namely a first filtering area, a second filtering area and a third filtering area, wherein the filtering effects are sequentially enhanced, when the first filtering area is positioned at the lower side of the ray baffle, the transmittance of the X-rays emitted by the X-ray generator is the maximum, and the irradiation effect on the package is the maximum when the X-ray dose is the maximum.
The invention has the beneficial effects that: according to the invention, X-ray perspective views are formed on the X-ray detection box for security check by enabling X-rays to penetrate through packages conveyed from right to left, and the X-rays can be used for adjusting the irradiation range and the X-ray dose, wherein the X-ray irradiation range is synchronous with the opening and closing device, so that the volume size of the input packages can be matched with the X-ray irradiation range, the security check is comprehensive, the leakage of the X-rays is reduced, the radiation is reduced, and secondly, the adjustment of the X-ray dose can be adjusted according to the packages with different penetration rates, so that the radiation is reduced while the security check effect is improved.
Drawings
For ease of illustration, the invention is described in detail by the following specific examples and figures.
FIG. 1 is a schematic view of the overall structure of a tunnel type X-ray security inspection device according to the present invention;
FIG. 2 is a schematic view of the structure in the direction "A-A" of FIG. 1;
FIG. 3 is a schematic view of the structure in the direction "B-B" of FIG. 1;
FIG. 4 is a schematic view of the structure in the direction "C-C" of FIG. 1;
FIG. 5 is an enlarged view of the structure of "D" in FIG. 1;
FIG. 6 is a schematic view of the structure in the direction "E-E" of FIG. 5;
FIG. 7 is a schematic view of the structure in the direction "F-F" of FIG. 5;
fig. 8 is a schematic view of the structure of the "filter plate" of fig. 1.
Detailed Description
The invention will now be described in detail with reference to fig. 1-8, for ease of description, the orientations described below will now be defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The invention relates to a channel type X-ray security inspection device, which is mainly used for the security inspection work of station packages, and the invention is further explained by combining the attached drawings of the invention:
the invention relates to a channel type X-ray security inspection device, which comprises a base 10 and an X-ray security inspection machine 22, wherein a conveying device 90 is arranged in the base 10, the conveying device 90 comprises a rotatable conveying belt 14, the conveying belt 14 drives packages to be conveyed from right to left, an opening and closing device 89 is arranged on the front side and the rear side of the conveying belt 14, the opening and closing device 89 comprises a rotatable opening and closing rotating rod 21, the distance between the opening and closing rotating rod 21 can be adjusted according to the size of the packages, the X-ray security inspection machine 22 is fixedly arranged on the upper end surface of the base 10, an X-ray detection box 70 is arranged on the front end surface of the X-ray security inspection machine 22, a security inspection cavity 23 is arranged in the X-ray security inspection machine 22, a rotary manipulation block 30 is fixedly arranged on the upper end surface of the X-ray security inspection machine 22, a ray regulation cavity 44 is arranged in the manipulation block 30, an X-ray generator 62 is arranged in the middle of the ray baffle 52, the X-ray generator 62 works to emit X-rays to penetrate through the package on the conveying belt 14, an X-ray perspective view is formed on the X-ray detection box 70 for security inspection, a range adjusting device 88 is arranged on the upper side of the ray adjusting and controlling cavity 44, the range adjusting device 88 comprises compression bars 63 which are symmetrical front and back, the compression bars 63 descend to push the ray baffle 52 to rotate oppositely, the irradiation range of the X-rays is adjusted according to the size of the package, a dose adjusting and controlling device 87 is arranged on the outer side of the ray adjusting and controlling cavity 44, the dose adjusting and controlling device 87 comprises a rotatable filter plate 54, the filter plate 54 is sleeved on the periphery of the ray baffle 52, and the filter plate 54 can filter the X-rays, so that the dose of the X-rays is adjusted according to.
Beneficially, lead curtains 24 are respectively installed on the left side and the right side of the upper end wall of the security inspection cavity 23, bilaterally symmetrical and foldable lead plates 53 are installed between the front and the rear ray baffles 52, the lead plates 53 and the lead curtains 24 can block the leakage of X-rays, and the function of the radiation baffle is that the X-rays emitted by the X-ray generator 62 are downward used for irradiation and wrapping, so that the scattering of the X-rays in the horizontal direction is reduced, and the radiation is reduced.
Beneficially, a central shaft 45 is fixedly arranged in the radiation adjusting and controlling cavity 44, an inner ring block 46 is rotatably sleeved on the central shaft 45, the radiation baffle plate 52 on the front side is fixedly installed on the inner ring block 46 through a first connecting block 49, an outer ring block 47 is rotatably sleeved on the periphery of the inner ring block 46, a through groove 50 is arranged in the outer ring block 47, the first connecting block 49 penetrates through the through groove 50, the radiation baffle plate 52 on the rear side is fixedly installed on the outer ring block 47 through a second connecting block 51, a torsion spring 48 is fixedly arranged between the inner end wall of the outer ring block 47 and the periphery of the inner ring block 46, bilaterally symmetrical installing blocks 61 are fixedly arranged at the lower end of the central shaft 45, and the X-ray generator 62 is fixedly installed at the lower end of the installing blocks 61, so that the front and rear radiation baffle plates 52 can rotate in opposite directions.
According to an embodiment, the conveying device 90 is described in detail below, the conveying device 90 includes a conveying cavity 15, a conveying trough 11 is arranged in the lower end wall of the conveying cavity 15 in a communicating manner, conveying shafts 12 which are bilaterally symmetrical are rotatably mounted in the conveying trough 11, conveying wheels 13 are fixedly mounted on the conveying shafts 12, the conveying wheels 13 are in power connection through a conveying belt 14, the rear end of the right conveying shaft 12 is in power connection with a conveying motor 16 mounted on the rear end wall of the conveying trough 11, and therefore the conveying motor 16 works to drive the conveying belt 14 to rotate, so that packages are conveyed leftwards for security inspection.
According to the embodiment, the opening and closing device 89 is described in detail below, the opening and closing device 89 includes opening and closing rotary slots 17 which are symmetrical front and back, opening and closing rotary shafts 18 are rotatably installed in the opening and closing rotary slots 17, opening and closing rotary rods 21 are fixedly arranged on the opening and closing rotary shafts 18, synchronous belt wheels 19 which are symmetrical left and right are respectively arranged in the opening and closing rotary slots 17, the synchronous belt wheels 19 on the right side are fixedly arranged on the opening and closing rotary shafts 18, the synchronous belt wheels 19 are in power connection through synchronous belts 20, and a connecting shaft 27 is fixedly arranged at the center of the synchronous belt wheels 19 on the left side, so that the connecting shaft 27 drives the opening and closing rotary rods 21 to rotate when rotating, and the conveying position of a parcel.
According to the embodiment, the range adjusting device 88 is described in detail below, the range adjusting device 88 includes an elevating cavity 43 communicated with the ray control cavity 44, a threaded shaft 65 is rotatably disposed in the elevating cavity 43, a lifting plate 42 is threadedly connected to the threaded shaft 65, a pressing rod 63 is fixedly disposed on a lower end surface of the lifting plate 42, a lower end of the pressing rod 63 can extend into the ray control cavity 44, a gear rotation cavity 38 is communicatively disposed in an upper end wall of the elevating cavity 43, an upper end of the threaded shaft 65 extends into the gear rotation cavity 38 and is fixedly disposed with a first bevel gear 41, a second bevel gear 39 is meshingly connected to a left end of the first bevel gear 41, a transmission shaft 36 is fixedly disposed at a center of the second bevel gear 39, a left end of the transmission shaft 36 is dynamically connected to a power motor 40 mounted in a left end wall of the gear rotation cavity 38, a right side of the gear rotation cavity 38 is disposed with a transmission cavity 32, the transmission cavity 32 is internally provided with transmission belt wheels 35 which are symmetrical up and down, the right end of the transmission shaft 36 extends into the transmission cavity 32 and is fixedly connected with the transmission belt wheel 35 at the upper side, the center of the transmission belt wheel 35 at the lower side is fixedly provided with a mounting shaft 34, the mounting shaft 34 is rotatably mounted in the transmission cavity 32, a third bevel gear 33 is fixedly arranged on the mounting shaft 34, the rear end of the third bevel gear 33 is engaged and connected with a fourth bevel gear 31, the center of the fourth bevel gear 31 is fixedly provided with a gear rotating shaft 29, the rear side of the transmission cavity 32 is provided with an engaging cavity 25, the rear end of the gear rotating shaft 29 extends into the engaging cavity 25 and is fixedly provided with a fifth bevel gear 28, the lower side of the fifth bevel gear 28 is engaged and connected with a sixth bevel gear 26, the sixth bevel gear 26 is fixedly connected with the top end of the connecting shaft 27, so, the lifting plate 42 drives the pressing rod 63 to descend, so that the ray baffles 52 rotate oppositely, the emission range of the X-ray is reduced, and meanwhile, the power motor 40 can provide power for the operation of the opening and closing device 89 through transmission.
According to the embodiment, the dose control device 87 is described in detail below, the dose control device 87 includes an arc-shaped groove 55, the filter 54 is rotatably mounted in the arc-shaped groove 55, an annular plate 56 is fixedly mounted on the left end surface of the filter 54, a driving groove 57 is communicated with the left side of the arc-shaped groove 55, a driving gear 58 is rotatably mounted in the driving groove 57 through a driving shaft 60, the periphery of the driving gear 58 is fixedly connected with the annular plate 56, a driving motor 59 is fixedly mounted on the right end wall of the driving groove 57, and the right end of the driving shaft 60 is in power connection with the driving motor 59, so that the driving motor 59 works to drive the filter 54 to rotate, and the dose of the X-rays emitted by the X-ray generator 62 is adjusted.
Advantageously, the filter plate 54 is divided into three filtering step portions, namely a first filtering area 541, a second filtering area 542 and a third filtering area 543, which are sequentially enhanced in filtering effect, so that when the first filtering area 541 is located at the lower side of the radiation baffle 52, the transmittance of the X-rays emitted by the X-ray generator 62 is the maximum, and the irradiation effect on the envelope is the maximum when the X-ray dose is the maximum.
The following describes in detail the use steps of a tunnel X-ray security inspection apparatus in the present disclosure with reference to fig. 1 to 8:
initially, the opening and closing rotating rod 21 is contracted in the opening rotating groove 17, the ray baffle 52 is opened to the maximum angle, at this time, the torsion spring 48 is in a natural state, and the lower end of the pressing rod 63 does not extend into the ray adjusting and controlling cavity 44.
During security inspection, the X-ray generator 62 works to emit X-rays after being electrified, the conveying motor 16 is started to drive the conveying shaft 12 to rotate, the conveying belt 14 rotates, the packages are placed on the conveying belt 14 and conveyed into the security inspection cavity 23 from right to left, the X-ray generator 62 works to emit X-rays to penetrate through the packages on the conveying belt 14, an X-ray perspective view is formed on the X-ray detection box 70 for security inspection, and the packages after security inspection are output to the left;
when packages of different packaging materials are subjected to security inspection, due to the fact that the transmission rates of X-rays to the packaging materials are different, the dosage of the X-rays can be adjusted through the filter plate 54, radiation is reduced, during adjustment, the driving motor 59 works to drive the driving gear 58 to rotate, the filter plate 54 is driven to rotate through the annular plate 56, the filtering effects of the first filtering area 541 to the second filtering area 542 to the third filtering area 543 are gradually enhanced, for packages which are easy to penetrate through the packaging materials, the third filtering area 543 can be rotated to a position between the ray baffles 52, the dosage of the X-rays for security inspection is reduced, security inspection can be performed on the packages, for packages which are tight in package and difficult to penetrate through multi-layer X-rays, the first filtering area 541 can be rotated to a position between the ray baffles 52, the dosage of the X-rays is increased, and articles in the packages are inspected comprehensively and accurately;
when the packages with different volumes are subjected to security inspection, the power motor 40 works to drive the transmission shaft 36 to rotate, the threaded shaft 65 rotates, the lifting plate 42 drives the pressing rod 63 to descend, the pressing rod 63 pushes the ray baffles 52 to rotate oppositely to narrow the range between the ray baffles 52, the irradiation range of the X-ray emitted by the X-ray generator 62 during working is reduced, energy consumption is saved, X-ray transmission is concentrated, leakage radiation of the X-ray is reduced, in the rotating process of the transmission shaft 36, the third bevel gear 33 is driven to rotate through the transmission belt 37, the fifth bevel gear 28 is driven to rotate through the fourth bevel gear 31, the connecting shaft 27 rotates, the opening and closing rotating rod 21 is driven to rotate through the synchronous belt 20, the opening and closing rotating rod 21 and the pressing rod 63 descend to work synchronously, and the size of the packages which can pass between the opening and closing rotating rod 21 is matched with the.
The invention has the beneficial effects that: according to the invention, X-ray perspective views are formed on the X-ray detection box for security check by enabling X-rays to penetrate through packages conveyed from right to left, and the X-rays can be used for adjusting the irradiation range and the X-ray dose, wherein the X-ray irradiation range is synchronous with the opening and closing device, so that the volume size of the input packages can be matched with the X-ray irradiation range, the security check is comprehensive, the leakage of the X-rays is reduced, the radiation is reduced, and secondly, the adjustment of the X-ray dose can be adjusted according to the packages with different penetration rates, so that the radiation is reduced while the security check effect is improved.
In the above manner, a person skilled in the art can make various changes depending on the operation mode within the scope of the present invention.
Claims (8)
1. The utility model provides a passageway formula X ray security inspection device, includes base and X security inspection machine, its characterized in that:
a conveying device is arranged in the base and comprises a rotatable conveying belt, the conveying belt drives packages to be conveyed from right to left, opening and closing devices are arranged on the front side and the rear side of the conveying belt and comprise rotatable opening and closing rotating rods, the distance between the opening and closing rotating rods can be adjusted according to the sizes of the packages, the X security inspection machine is fixedly arranged on the upper end surface of the base, an X-ray detection box is arranged on the front end surface of the X security inspection machine, and a security inspection cavity is arranged in the X security inspection machine;
the X-ray safety inspection machine is characterized in that a control block is fixedly arranged on the upper end face of the X-ray safety inspection machine, a ray regulation and control cavity is arranged in the control block, a rotatable ray baffle is rotatably arranged in the ray regulation and control cavity, an X-ray generator is arranged in the middle of the ray baffle and works to emit X-rays to penetrate through a package on the conveying belt, an X-ray perspective view is formed on the X-ray detection box for safety inspection, a range adjusting device is arranged on the upper side of the ray regulation and control cavity and comprises compression bars which are symmetrical front and back, the compression bars descend to push the ray baffles to rotate oppositely, so that the irradiation range of the X-rays is adjusted according to the size of the package, a dose regulating and control device is arranged on the outer side of the ray regulation and control cavity and comprises a rotatable filter plate which is sleeved on the periphery of the ray, and then the X-ray dosage is adjusted according to the transmission effect of the packaging material.
2. A tunnel X-ray security apparatus according to claim 1, wherein: lead curtains are respectively installed on the left side and the right side of the upper end wall of the security check cavity, symmetrical and foldable lead plates are installed between the front ray baffle and the rear ray baffle, and the ray baffles, the lead plates and the lead curtains can both block X-rays from leaking.
3. A tunnel X-ray security apparatus according to claim 1, wherein: a central shaft is fixedly arranged in the ray regulation cavity;
rotate on the center pin and overlap and be equipped with the inner ring piece, the front side ray baffle pass through first connecting block fixed mounting in on the inner ring piece, the inner ring piece periphery is rotated the cover and is equipped with the outer ring piece, be equipped with logical groove in the outer ring piece, first connecting block runs through lead to the groove, the rear side ray baffle pass through second connecting block fixed mounting in on the outer ring piece, outer ring piece inner wall with the torsional spring has set firmly between the inner ring piece periphery, the center pin lower extreme has set firmly bilateral symmetry's installation piece, X ray generator fixed mounting in installation piece lower extreme.
4. A tunnel X-ray security apparatus according to claim 1, wherein: the delivery device comprises a delivery lumen;
the conveying device is characterized in that a conveying groove is formed in the lower end wall of the conveying cavity in a communicated mode, conveying shafts which are bilaterally symmetrical are rotatably mounted in the conveying groove, conveying wheels are fixedly arranged on the conveying shafts and are in power connection through the conveying belts, and the rear ends of the conveying shafts on the right side are in power connection with a conveying motor mounted on the rear end wall of the conveying groove.
5. A tunnel X-ray security apparatus according to claim 1, wherein: the opening and closing device comprises opening rotary slots which are symmetrical front and back;
the opening rotary groove is internally and rotatably provided with an opening rotary shaft, the opening rotary rod is fixedly arranged on the opening rotary shaft, synchronous belt wheels which are bilaterally symmetrical are respectively arranged in the opening rotary groove, the synchronous belt wheels on the right side are fixedly arranged on the opening rotary shaft, the synchronous belt wheels are in power connection through synchronous belts, and a connecting shaft is fixedly arranged at the center of the synchronous belt wheel on the left side.
6. A tunnel X-ray security apparatus according to claim 1, wherein: the range adjusting device comprises a lifting cavity communicated with the ray adjusting and controlling cavity;
a threaded shaft is rotatably arranged in the lifting cavity, a lifting plate is in threaded connection with the threaded shaft, the pressure lever is fixedly arranged on the lower end face of the lifting plate, the lower end of the pressure lever can extend into the ray regulation cavity, a gear rotating cavity is communicated with the inner wall of the upper end of the lifting cavity, the upper end of the threaded shaft extends into the gear rotating cavity and is fixedly provided with a first bevel gear, the left end of the first bevel gear is in meshing connection with a second bevel gear, the center of the second bevel gear is fixedly provided with a transmission shaft, and the left end of the transmission shaft is in power connection with a power motor arranged in the left end wall of the gear rotating cavity;
the gear wheel rotation cavity right side is equipped with the transmission chamber, be equipped with the driving pulley of longitudinal symmetry in the transmission chamber, the transmission shaft right-hand member extends to in the transmission chamber and with the upside the driving pulley links firmly, the downside driving pulley center department sets firmly the installation axle, the installation axle rotate install in the transmission chamber, the epaxial third bevel gear that has set firmly of installation, third bevel gear rear end meshing is connected with fourth bevel gear, fourth bevel gear center department sets firmly the gear shaft, the transmission chamber rear side is equipped with the meshing chamber, gear shaft rear end extends to the meshing intracavity just sets firmly fifth bevel gear, fifth bevel gear downside meshing is connected with sixth bevel gear, sixth bevel gear with the connecting axle top links firmly.
7. A tunnel X-ray security apparatus according to claim 1, wherein: the dose control device comprises an arc-shaped groove;
the filter plate rotates install in the arc wall, the filter plate left end face sets firmly the annular plate, the arc wall left side communicates with each other and is equipped with the drive groove, drive gear is installed through the drive shaft rotation in the drive groove, drive gear periphery with the annular plate links firmly, drive groove right-hand member wall sets firmly driving motor, drive shaft right-hand member power connect in on the driving motor.
8. The channeled X-ray security inspection device of claim 7, wherein: the filter plate is equally divided into three filtering step parts which are respectively a first filtering area, a second filtering area and a third filtering area, the filtering effect is sequentially enhanced, when the first filtering area is positioned at the lower side of the ray baffle, the transmittance of X rays emitted by the X-ray generator is the maximum, the X-ray dose is the maximum, and the irradiation effect on the package is the maximum.
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| CN113835128B (en) * | 2020-06-08 | 2023-05-12 | 同方威视技术股份有限公司 | Security check equipment |
| CN111856607B (en) * | 2020-08-04 | 2021-06-01 | 常州钛电科技有限公司 | Terahertz-based rapid security check instrument |
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