WO2020141002A1 - Dispositif d'inspection de sécurité mobile - Google Patents

Dispositif d'inspection de sécurité mobile Download PDF

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Publication number
WO2020141002A1
WO2020141002A1 PCT/CN2020/070491 CN2020070491W WO2020141002A1 WO 2020141002 A1 WO2020141002 A1 WO 2020141002A1 CN 2020070491 W CN2020070491 W CN 2020070491W WO 2020141002 A1 WO2020141002 A1 WO 2020141002A1
Authority
WO
WIPO (PCT)
Prior art keywords
hole
inspection device
vertical
vertical beams
safety inspection
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2020/070491
Other languages
English (en)
Chinese (zh)
Inventor
陈志强
李元景
张丽
李荐民
高克金
史俊平
何远
王�锋
曹亚鹏
李洪旗
孙尚民
宗春光
胡煜
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tsinghua University
Nuctech Co Ltd
Nuctech Beijing Co Ltd
Original Assignee
Tsinghua University
Nuctech Co Ltd
Nuctech Beijing Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tsinghua University, Nuctech Co Ltd, Nuctech Beijing Co Ltd filed Critical Tsinghua University
Publication of WO2020141002A1 publication Critical patent/WO2020141002A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • G01V5/22—Active interrogation, i.e. by irradiating objects or goods using external radiation sources, e.g. using gamma rays or cosmic rays

Definitions

  • the present disclosure relates to the field of safety inspection, and particularly to a movable safety inspection device.
  • the safety inspection device based on radiation imaging known by the inventor includes two scanning methods, one of which is to fix the inspection equipment, the object to be inspected is moving and to scan and image the object to be inspected through the scanning area; the other is to inspect the object to be inspected Fixed, the detection equipment moves, and the scanning area scans and images the inspection items in the manner of the items to be inspected.
  • a movable security inspection device including: a portal frame, including a beam at the top, and two vertical beams located at both sides of the beam and connected to the beam; object detection based on radiation imaging
  • the assembly which is at least partially installed in the portal frame, is configured to detect items passing through the portal frame; wheel-type ground walking devices, which are respectively provided at the lower ends of the two vertical beams, can be made movable by its own walking motion
  • the safety inspection device walks and turns relative to the ground; and a connecting bracket, which is connected to the upper end of at least one of the two vertical beams, is configured to support the connecting beam, and the connecting bracket can be connected to the two vertical beams, the beams or the Each vertical beam forms at least one fitting gap.
  • the connecting bracket includes: a fixing portion, which is fixedly connected to the crossbeam; and an engaging portion, which is provided at the lower end of the fixing portion and can be engaged with the two vertical beams respectively.
  • the fitting gap includes a first gap formed between the outer surface of the vertical beam and the inner surface of the engaging portion in the horizontal direction.
  • a first through hole is provided on the engaging portion, and the opening direction of the first through hole is parallel to the length direction of the beam; the upper end of the vertical beam is provided with a second through hole, and the second through hole is opened The hole direction is parallel to the opening direction of the first through hole; the connecting bracket includes: a connecting through shaft configured to pass through the first through hole and the second through hole in a state where the vertical beam is engaged with the engaging portion.
  • the mating gap includes: a second gap formed between the second through hole and the mating surface connecting the through shaft.
  • the fitting gap includes: a third gap formed in the vertical direction between the vertical beam and the engaging interface.
  • the third clearance is determined by the size of the wheeled ground walking device and the state of the ground on which the movable safety inspection device walks.
  • a first through hole is provided on the engaging portion, and the opening direction of the first through hole is parallel to the length direction of the crossbeam; the two side surfaces at the upper end of the vertical beam are provided with two connecting holes, two connecting The opening direction of the hole is parallel to the opening direction of the first through hole; the connecting bracket includes: two connecting short shafts, which are configured to pass through the first through hole when the vertical beam is engaged with the engaging portion, and Connect to one of the two connection holes.
  • the ground walking device includes: a wheel frame; at least two wheels disposed on the wheel frame and respectively located on the front and rear sides of the beam; and a walking drive device capable of driving at least two wheels to rotate around the wheel axis, In order to realize the walking of the wheeled ground walking device, and drive the wheels to swing relative to the wheel frame, so as to realize the steering of the wheeled ground walking device.
  • the article detection assembly includes: a ray cabin, which is disposed on one of the two vertical beams, the ray cabin includes a ray source, and is configured to emit detection rays to scan the articles passing through the portal frame; the detector, At least one of the two vertical beams, the crossbeam or the crossbeam and at least one of the two vertical beams are configured to detect the transmission signal or the scattering signal of the detection beam on the article for scanning imaging; and the protective wall is provided at The other of the two vertical beams.
  • FIG. 1 is a schematic diagram of a frontal angle structure of a movable security inspection device provided by an embodiment of the present disclosure
  • FIG. 2 is a schematic diagram of a side angle structure of a movable safety inspection device provided by an embodiment of the present disclosure
  • FIG. 3 is a schematic structural view of a connecting bracket of a movable safety inspection device provided by an embodiment of the present disclosure.
  • FIG. 4 is a schematic structural view of a connecting bracket of a movable security inspection device provided by another embodiment of the present disclosure.
  • the movable safety inspection equipment known by the inventor can break through the site limitation during the safety inspection and make the entire inspection system flexibly transition, which has strong applicability. It has been found through research that the inspection equipment needs to keep moving during the imaging process of the security inspection to be inspected. At this time, the ground conditions will have a greater impact on the imaging quality. On uneven roads or roads with more gravel, the imaging quality is often poor, and inspectors often cannot accurately determine the composition of the items to be inspected. In addition, long-term security inspections on the ground in poor condition may even cause varying degrees of damage to the scanning equipment.
  • the embodiments of the present disclosure provide a movable scanning device to adapt to uneven ground conditions to ensure the imaging quality of items to be inspected.
  • FIG. 1 is a schematic diagram of a frontal angle structure of a movable security inspection device provided by some embodiments of the present disclosure.
  • FIG. 2 is a schematic diagram of a side view angle structure of a movable security inspection device provided by some embodiments of the present disclosure. As shown in FIGS.
  • a movable safety inspection device provided by the present disclosure is characterized by comprising: a portal frame 1, including a beam 11 at the top, and being located on both sides of the beam 11 and connected to the beam 11 Two vertical beams 12; an item detection assembly 4 based on radiation imaging, at least partially provided on the portal frame 1, capable of detecting items passing through the portal frame 1; a wheeled ground walking device 5, respectively provided on two The lower end of the vertical beam 12 can move and steer the movable safety inspection device relative to the ground through its own walking motion; and the connecting bracket 3, connected to the upper end of at least one of the two vertical beams 12, is configured to support the connecting beam 11.
  • the connecting bracket 3 can form at least one fitting gap with the two vertical beams 12, the horizontal beams 11 or the horizontal beams 11, and the two vertical beams 12, respectively.
  • At least one gap is formed between the connecting bracket and the cross beam and/or the two vertical beams, so that the movable safety inspection device provided by the present disclosure can adapt to uneven ground conditions and ensure the imaging quality of the items to be inspected .
  • the object detection assembly 4 based on radiation imaging can observe the inside of an object using rays.
  • the item detection component 4 can obtain information such as the internal structure and density of the object without destroying the object, and has been widely used in security inspections at stations, docks, and airports.
  • the embodiment of the present disclosure forms the detection channel of the item to be scanned through the door frame 1 and the item detection assembly 4 and can be applied to a movable item to be detected, such as vehicle-mounted goods or measurement to be detected, etc., and can also be applied to a fixed Items to be tested.
  • the embodiment of the present disclosure can use the wheeled ground walking device 5 to drive the portal frame 1 through the objects to be scanned, and simultaneously perform scanning imaging to determine the objects to be scanned Whether there are dangerous substances or other items that do not comply with the law.
  • the beam 11 needs to be higher than the object to be detected, but has a higher height, is farther from the ground, and is more susceptible to the influence of the ground condition. A slight uneven ground or small volume of gravel will make the beam more comparable Large swings or deflections have a greater impact on the image quality of the items to be scanned.
  • the embodiment of the present disclosure connects the cross beam 11 and the vertical beam 12 by setting the connecting bracket 3 respectively, and forms at least one fitting gap with the two vertical beams 12 and/or the cross beam 11 by connecting the bracket 3 to change the cross beam of the related article detection assembly
  • the rigid connection with the vertical beam absorbs the impact on the beam due to uneven ground or small volume obstacles through more than one gap, so that the beam is stable during the driving of the wheeled ground walking device 5 to ensure the imaging quality of the items to be scanned .
  • the connecting bracket 3 includes: a fixing portion 31 that is fixedly connected to the crossbeam 11; and an engaging portion 32 that is provided at the lower end of the fixing portion 31 and can be engaged with the two vertical beams 12 respectively.
  • the snap-fit connection refers to inserting the upper end of the vertical beam 12 into the engaging portion 32 of the connection bracket 3 in a plug-in manner, and the engaging portion 32 forms a surrounding limit to the upper end of the vertical beam 12.
  • the surrounding limit formed by the engaging portion 32 on the upper end of the vertical beam 12 may be a full surrounding in the horizontal direction, or may be a limiting manner of half surrounding between a pair of side surfaces.
  • the connecting bracket in the embodiment of the present disclosure is provided with a fixing portion 31 and an engaging portion 32 to fix and connect the beam 11 to be supported with the fixing portion 31 and the vertical beam 12 without supporting to be connected with the engaging portion.
  • the connection bracket 3 forms a snap connection relationship with the vertical beam by using a snap connection method on the basis that the support connection of the cross beam 11 is kept stable.
  • the clamping connection relationship has a larger relative position margin between the connecting pieces, that is, by setting the clamping connection with different degrees of tightness, the gap between the vertical beam and the connecting bracket can be different.
  • the snap connection can set a larger gap to accommodate a greater degree of sway and Bumps.
  • FIG. 3 is a schematic structural view of a connecting bracket of a movable safety inspection device provided by an embodiment of the present disclosure.
  • the fitting gap includes: a first gap 71 formed in the horizontal direction between the outer surface of the vertical beam 1 and the inner surface of the engaging portion 32.
  • the first gap 71 can make the inner peripheral surface of the engaging portion abut against the upper end of the vertical beam when the vertical beam sways, and absorb the impact of the vertical beam swaying on the cross beam to a certain extent.
  • a first through hole is provided on the engaging portion, and the opening direction of the first through hole is parallel to the length direction of the beam; the upper end of the vertical beam is provided with a second through hole, and the second through hole is opened The hole direction is parallel to the opening direction of the first through hole; the connecting bracket includes: a connecting through shaft configured to pass through the first through hole and the second through hole in a state where the vertical beam is engaged with the engaging portion.
  • the vertical beam 12 and the connecting bracket 3 are hinged through the through shaft 6 to provide the vertical downward binding force for the connecting bracket 3,
  • the connection between the vertical beam and the cross beam is more stable.
  • the rotational freedom between the two is perpendicular to the inspection channel plane formed by the door frame 1, that is, the vertical beam 12 and the connecting bracket 3 can be Swing in the forward or backward direction of the movable safety inspection device.
  • the technical effect of connecting the vertical beam and the engaging portion through the through shaft 6 parallel to the longitudinal direction of the crossbeam 11 is that when the wheeled ground walking device encounters uneven ground conditions, for example, when it encounters a small stone, it will move the safety inspection
  • the corner of the wheeled ground walking device on one side of the device is raised, the vertical beam 12 on the same side is bound to deflect accordingly.
  • the vertical beam 12 cannot deflect relative to the vertical direction
  • the through shaft 6 parallel to the length and square of the crossbeam 11 is transmitted to the crossbeam 11 and the crossbeam 11 is twisted accordingly.
  • the mating gap includes: a second gap formed between the second through hole and the mating surface connecting the through shaft.
  • the second gap 72 can effectively absorb the influence of the uneven road surface on the beam 11, and the bumps and vibrations transmitted by the vertical beam 1 are absorbed in the second gap 72 without affecting the beam 11.
  • the fitting gap includes: a third gap formed in the vertical direction between the vertical beam and the engaging interface.
  • the connecting bracket no longer closely fits the upper end of the vertical beam 12 under the gravity of the beam 11, but can optionally have a certain gap, and the third gap 73 can accommodate the vertical beam 12 in connection A certain degree of deflection in the engaging portion 32 of the bracket 3 makes the beam 11 continue to be stable.
  • the third gap 73 is determined by the size of the wheeled ground walking device 5 and the state of the ground on which the movable safety inspection device walks. Taking the ground walking device 5 as an example, when the size of the ground walking device 5 is small, the uneven ground makes the vertical beam 12 disposed thereon have a larger deflection angle. At this time, in order to absorb the influence of the deflection on the beam, the third gap 73 should be selectively set to a larger range. Correspondingly, when the ground conditions are not good, the third gap 73 should also be set larger to cope with frequent deflection or vibration of the vertical beam 3.
  • connection bracket includes: two connection stub shafts 8, which are configured to pass through when the vertical beam and the engaging portion are engaged and connected Pass the first through hole and connect to one of the two connection holes.
  • connection of the short shaft 8 as an alternative to the through shaft can make the upper end of the vertical beam only need to process a pair of connection holes, which reduces the difficulty of processing and reduces the cost of the connection shaft.
  • the vertical beam and the engaging portion can also be articulated by other shaft parts, and only need to continue to form a corresponding gap between the connecting bracket and the cross beam and/or vertical beam to Absorb the impact of uneven ground on the beam to ensure the stability of the beam.
  • the ground walking device includes: a wheel frame; at least two wheels disposed on the wheel frame 51 and respectively located on the front and rear sides of the beam 11; and a walking drive device capable of driving at least two wheels Rotating around the wheel axis to realize the walking of the wheeled ground walking device, and driving the wheels to swing relative to the wheel frame to realize the steering of the wheeled ground walking device.
  • the wheeled walking device 5 may be configured as a wheel-body machine with autonomous walking capability, or as a pulley mechanical component matched with a preset slide rail direction.
  • the wheeled walking device 5 can make the movable safety inspection device have a moving ability, thereby facilitating the transition, position adjustment and detection of the stationary object to be inspected of the movable safety inspection device.
  • the wheeled walking device 5 as the part of the portal frame 1 that is in contact with the ground should have strong stability in the detection state, so it can be matched with fixed legs or other components to provide the item detection device in a stationary state Stability. And it can be configured to cushion shock-absorbing components, such as shock-absorbing springs, etc., to reduce the influence of road surface conditions on the door frame 1.
  • the article detection assembly includes: a ray cabin, which is disposed on one of the two vertical beams, the ray cabin includes a ray source, and is configured to emit detection rays to scan the articles passing through the portal frame 1; , At least one of the two vertical beams 12, the horizontal beam 11 or at least one of the horizontal beams 11 and the two vertical beams 12, is configured to detect the transmission signal or scattering signal of the detection beam on the article for scanning imaging; And the protective wall is set on the other of the two vertical beams.
  • the position of the detector includes the same vertical beam as the vertical beam where the ray source is located, and three positions of the beam.
  • the signal detected by the detector is mainly the projection signal; while when the detector is arranged on the vertical beam where the ray source is located
  • the signal detected by the detector is mainly scattered signal.
  • the projected signal and the scattered signal can reflect different information of the item to be detected, and thus have different imaging principles and detection focuses, and can be selectively set according to the type of the item to be detected or the working scene of the item detection device.

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  • Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)

Abstract

L'invention concerne un dispositif d'inspection de sécurité mobile, comprenant : un portique (1) comportant une entretoise (11) au sommet et deux poutres verticales (12) situées sur deux côtés de l'entretoise (11) et reliées à l'entretoise (11) ; un ensemble de détection d'objet (4) sur la base d'une imagerie par rayonnement, l'ensemble de détection d'objet étant au moins partiellement disposé sur le portique (1) et étant configuré pour détecter un objet passant à travers le portique (1) ; des dispositifs à roues (5) pour le déplacement au sol disposés respectivement aux extrémités inférieures des deux poutres verticales (12) pour permettre au dispositif d'inspection de sécurité mobile de se déplacer et de se diriger par rapport au sol au moyen du mouvement de déplacement des dispositifs à roues pour le déplacement au sol ; et un support de raccordement (3) relié à une extrémité supérieure d'au moins une des deux poutres verticales (12) et configuré pour supporter et raccorder l'entretoise (11), le support de raccordement (3) pouvant former au moins un jeu de tolérance avec les deux poutres verticales (12) et l'entretoise (11) respectivement, ou avec l'entretoise (11) et les deux poutres verticales (12).
PCT/CN2020/070491 2019-01-04 2020-01-06 Dispositif d'inspection de sécurité mobile Ceased WO2020141002A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201910009066.X 2019-01-04
CN201910009066.XA CN109541707B (zh) 2019-01-04 2019-01-04 一种可移动扫描装置

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109541707B (zh) * 2019-01-04 2025-09-19 同方威视科技（北京）有限公司 一种可移动扫描装置
CN112666621B (zh) * 2019-10-16 2023-04-18 同方威视技术股份有限公司 辐射扫描检查设备
CN113834832A (zh) * 2020-06-23 2021-12-24 同方威视技术股份有限公司 移动式检测装置及检测方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002193581A (ja) * 2000-12-28 2002-07-10 Mitsubishi Heavy Ind Ltd センサ台車付きクレーン走行装置
CN1607385A (zh) * 2003-10-16 2005-04-20 清华大学 一种用于集装箱检查系统的双辐射源框架结构
CN106645225A (zh) * 2016-12-29 2017-05-10 同方威视技术股份有限公司 可移动物品检查系统
CN206889979U (zh) * 2017-05-31 2018-01-16 绍兴柯桥供水有限公司 便携式立式机泵移动装置
CN109541707A (zh) * 2019-01-04 2019-03-29 同方威视科技（北京）有限公司 一种可移动扫描装置
CN209342941U (zh) * 2019-01-04 2019-09-03 同方威视科技（北京）有限公司 一种可移动扫描装置

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2580814Y2 (ja) * 1992-01-27 1998-09-17 コニシ株式会社 道路用伸縮継手
GB0309379D0 (en) * 2003-04-25 2003-06-04 Cxr Ltd X-ray scanning
US7177391B2 (en) * 2005-03-29 2007-02-13 Surescan Corporation Imaging inspection apparatus
CN101162206B (zh) * 2006-10-13 2011-01-05 同方威视技术股份有限公司 移动式车辆检查系统
CN201834020U (zh) * 2010-10-15 2011-05-18 甘肃中集华骏车辆有限公司 自卸车下架抗扭横梁结构
CN203094182U (zh) * 2012-12-24 2013-07-31 北京三兴汽车有限公司 用于车辆车架连接的侧旋轴式浮动连接装置
CN105752005A (zh) * 2016-03-28 2016-07-13 江苏双菊汽车配件有限公司 汽车保险杠缓冲结构
CN205875394U (zh) * 2016-08-05 2017-01-11 山东日发纺织机械有限公司 一种干法连接的抗震混凝土梁柱
CN106324693B (zh) * 2016-08-30 2019-04-19 北京华力兴科技发展有限责任公司 自行走式集装箱/车辆检查设备
CN107035135B (zh) * 2017-04-26 2019-05-21 上海森大机械制造有限公司 一种门式脚手架
CN207128538U (zh) * 2017-08-01 2018-03-23 北京汽车股份有限公司 滑柱上支撑结构和汽车
CN207816863U (zh) * 2017-12-25 2018-09-04 北京华力兴科技发展有限责任公司 双视角乘用车扫描检查设备

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002193581A (ja) * 2000-12-28 2002-07-10 Mitsubishi Heavy Ind Ltd センサ台車付きクレーン走行装置
CN1607385A (zh) * 2003-10-16 2005-04-20 清华大学 一种用于集装箱检查系统的双辐射源框架结构
CN106645225A (zh) * 2016-12-29 2017-05-10 同方威视技术股份有限公司 可移动物品检查系统
CN206889979U (zh) * 2017-05-31 2018-01-16 绍兴柯桥供水有限公司 便携式立式机泵移动装置
CN109541707A (zh) * 2019-01-04 2019-03-29 同方威视科技（北京）有限公司 一种可移动扫描装置
CN209342941U (zh) * 2019-01-04 2019-09-03 同方威视科技（北京）有限公司 一种可移动扫描装置

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