Mobile inspection device and mobile inspection system

Abstract

A mobile inspection device and a mobile inspection system. The mobile inspection device comprises a moving body (1), a rear cabin (2), an accelerator chamber (3) and a detector arm (5). The mobile inspection device has a container truck scanning mode and a train scanning mode which can be switched from one to the other. The rear cabin (2) is rotatably arranged on the moving body (1), and is configured to rotate to a counterweight position in the container truck scanning mode and to rotate to a retracted position in the train scanning mode; the detector arm (5) is arranged on the moving body (1), and is provided with a first detector (6); the detector arm (5) is configured to have a folded state and an unfolded state, and is in the unfolded state in the container truck scanning mode and in the folded state in the train scanning mode; and the accelerator chamber (3) is arranged in the rear cabin (2), and is configured to emit ray beams from a first beam outlet (201) and a second beam outlet (202) of the rear cabin (2) in the container truck scanning mode and the train scanning mode, respectively.

Description

Mobile inspection device and mobile inspection system

[0001] This application claims priority to Chinese patent application No. 202311810348.2 filed on December 26, 2023, the entire contents of which are incorporated by reference into this application. Technical Field

[0002] The present disclosure relates to the field of detection, and in particular to a mobile inspection device and a mobile inspection system. Background Art

[0003] In the related art, the X-ray scanning detection system may include a fixed inspection system and a mobile inspection system. For a moving train, a fixed inspection system is usually used to perform non-stop inspections on it. For example, a ray emitter and a detector are respectively set on both sides of the track to facilitate detection and inspection of the train to be inspected. However, the relevant fixed inspection systems often have the following defects. First, in order to meet the requirements of radiation protection, it is often necessary to build a permanent radiation protection device around the fixed inspection system, which occupies a large area and is costly. In addition, larger stations have a large number of tracks entering and exiting the station, and the available space is limited. In view of the high price of scanning detection equipment, increasing the number of fixed inspection systems will also lead to a substantial increase in equipment and maintenance costs. For smaller stations with fewer trains, the fixed inspection system is often idle, resulting in a waste of equipment.

[0004] On the other hand, mobile inspection systems are generally vehicle-mounted radiation inspection systems, typically including a radiation emitter located in a vehicle compartment and a detector arm with a detector. The detector arm, when extended and retracted, facilitates detection of targets in conjunction with the radiation emitter. These systems are commonly used for radiographic inspections of container trucks (hereinafter sometimes referred to as container trucks). Typical vehicle-mounted radiation inspection systems cannot be used for inspections of trains at stations. This is because the detector arm of a mobile radiation inspection system cannot be deployed to cross tracks, especially multiple tracks, and be mounted on a train. This means the detector arm of a mobile radiation inspection system cannot form an inspection channel through which trains can pass. Furthermore, high-voltage cables are installed above some tracks, prohibiting the deployment of the detector arm.

[0005] Therefore, what needs to be solved urgently is how to improve the monitoring efficiency of train stations while keeping the equipment costs unchanged or reducing the equipment costs. Summary of the Invention

[0006] According to the inventive concept of one aspect of the present disclosure, there is provided a mobile inspection device, comprising a mobile body, a rear cabin, an accelerator cabin, and a detector arm, wherein the mobile inspection device has a container truck scanning mode and a train scanning mode that are switchable between each other;

[0007] The rear cabin is rotatably arranged on the mobile body, and is configured to rotate to a counterweight position in a truck scanning mode and to rotate to a retracted position in a train scanning mode;

[0008] The detector arm is provided on the mobile body, and a first detector is provided on the detector arm; the detector arm is configured to have a folded state and an unfolded state, and is in the unfolded state in the truck scanning mode and in the folded state in the train scanning mode;

[0009] The accelerator cabin is disposed in the rear cabin and is configured to emit a radiation beam from a first beam outlet and a second beam outlet of the rear cabin in a truck scanning mode and a train scanning mode, respectively.

[0010] According to some embodiments of the present disclosure, in the container truck scanning mode, the accelerator cabin is configured to be fixed in the rear cabin, and the rear cabin is configured to rotate synchronously with the accelerator cabin relative to the moving body to achieve counterweight balance between the rear cabin and the detector arm.

[0011] According to some embodiments of the present disclosure, in the train scanning mode, the accelerator cabin is configured to emit a beam of rays from the second beam outlet toward a second detector at a predetermined position.

[0012] According to some embodiments of the present disclosure, in the train scanning mode, the rear cabin is configured to be stationary relative to the moving body, and the accelerator cabin is configured to rotate relative to the rear cabin to emit a beam of rays from the second beam outlet and toward a second detector at a predetermined position.

[0013] According to some embodiments of the present disclosure, the accelerator in the accelerator cabin includes a transmission target, and the accelerator cabin is provided with a first collimator and a second collimator corresponding to the first beam outlet and the second beam outlet, respectively;

[0014] In the card collection scanning mode, the accelerator is configured to generate a beam of rays by interacting electrons in an acceleration tube with the transmission target, and emit the beam of rays from the first beam outlet via the first collimator.

[0015] According to some embodiments of the present disclosure, the accelerator in the accelerator cabin includes a transmission target, and the accelerator cabin is provided with a first collimator and a second collimator corresponding to the first beam outlet and the second beam outlet, respectively;

[0016] In the train scanning mode, the accelerator is configured to generate a ray beam by interacting electrons in an accelerating tube with the transmission target, and emit the ray beam from the second beam outlet via the first collimator.

[0017] According to some embodiments of the present disclosure, the accelerator in the accelerator cabin includes a reflective target, and the accelerator cabin is provided with a first collimator and a second collimator corresponding to the first beam outlet and the second beam outlet, respectively;

[0018] In the train scanning mode, the accelerator is configured to generate a ray beam by interacting electrons in an accelerating tube with the reflective target, and emit the ray beam from the second beam outlet via the second collimator.

[0019] According to some embodiments of the present disclosure, a beam-emission direction of the ray beam through the first beam-emission port is perpendicular to a beam-emission direction of the ray beam through the second beam-emission port.

[0020] According to another aspect of the present disclosure, a mobile inspection system is provided, comprising:

[0021] A mobile inspection device as described above; and

[0022] A second detector is provided on a movable carrier or a fixed carrier independent of the moving body. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] FIG1 is a three-view diagram and a partially enlarged diagram of a mobile inspection device in a card collection scanning mode according to an exemplary embodiment of the present disclosure;

[0024] 2 is a front view and a top view of a mobile inspection device in a train scanning mode according to an exemplary embodiment of the present disclosure;

[0025] 3 is a front view and a top view of the mobile inspection device in another train scanning mode according to an exemplary embodiment of the present disclosure;

[0026] FIG4 is a three-view diagram of a mobile inspection device in a transport mode according to an exemplary embodiment of the present disclosure; and

[0027] FIG5 is a schematic structural diagram of a rotating assembly of the mobile inspection device shown in FIG1 .

[0028] In the above drawings, the meanings of the reference numerals are as follows:

[0029] 1- moving body;

[0030] 2- rear cabin;

[0031] 201-first beam outlet;

[0032] 202-second beam outlet;

[0033] 3-Accelerator cabin;

[0034] 301-first collimator;

[0035] 302-second collimator;

[0036] 5- detector arm;

[0037] 501-first support arm;

[0038] 502- horizontal support arm;

[0039] 503-vertical detection arm;

[0040] 6-First detector;

[0041] 7-Train;

[0042] 8-Collection cards;

[0043] 9-Fixed ring;

[0044] 10-rotating ring gear;

[0045] 11-Fixed detector;

[0046] 12-Drive assembly. DETAILED DESCRIPTION

[0047] In order to make the objectives, technical solutions and advantages of the present disclosure more clearly understood, the present disclosure is further described in detail below in conjunction with specific embodiments and with reference to the accompanying drawings.

[0048] However, it should be understood that these descriptions are merely exemplary and are not intended to limit the scope of the present disclosure. In the detailed description below, for ease of explanation, many specific details are set forth to provide a comprehensive understanding of the embodiments of the present disclosure. However, it is apparent that one or more embodiments may also be implemented without these specific details. In addition, in the following description, descriptions of known technologies are omitted to avoid unnecessarily confusing the concepts of the present disclosure.

[0049] The terms used herein are only for describing specific embodiments and are not intended to limit the present disclosure. The term "comprising" used herein indicates the presence of features, steps, operations, but does not exclude the presence or addition of one or more other features.

[0050] All terms used herein (including technical and scientific terms) have the meanings commonly understood by those skilled in the art unless otherwise defined. It should be noted that the terms used herein should be interpreted as having a meaning consistent with the context of this specification and should not be interpreted in an idealized or overly rigid manner.

[0051] To address the limited applicability and low efficiency of mobile inspection systems in related technologies, as well as the long construction cycles, large footprint, high equipment costs, and low utilization of fixed inspection systems within train stations, the present invention improves the mobile inspection device so that it can cooperate with the detector arm of the fixed train inspection device to independently scan and inspect moving trains. This reduces the site footprint of the inspection system within the train station and reduces equipment investment costs. Furthermore, the mobile inspection device itself can still scan container trucks, offering high mobility, further improving equipment utilization, reducing equipment investment, and expanding its scope of application.

[0052] The present disclosure provides a mobile inspection device and a mobile inspection system. By using only one mobile inspection device in conjunction with a related detector arm that can be used for a train series inspection device, the mobile inspection device can achieve not only conventional container truck scanning but also rapid transfer and dual scanning mode suitable for train scanning, thereby expanding the scope of application of the related mobile inspection device.

[0053] Figure 1 is a three-view diagram and a partially enlarged diagram of a mobile inspection device in a truck scanning mode according to an exemplary embodiment of the present disclosure; Figure 2 is a front view and a top view of a mobile inspection device in a train scanning mode according to an exemplary embodiment of the present disclosure; Figure 3 is a front view and a top view of a mobile inspection device in another train scanning mode according to an exemplary embodiment of the present disclosure; Figure 4 is a three-view diagram of a mobile inspection device in a transport mode according to an exemplary embodiment of the present disclosure.

[0054] According to the inventive concept of one aspect of the present disclosure, a mobile inspection device is provided, comprising a mobile body 1, a rear cabin 2, an accelerator cabin 3 and a detector arm 5, wherein the mobile inspection device has a container scanning mode and a train scanning mode that can be switched between each other. The rear cabin 2 is rotatably arranged on the mobile body 1, and the rear cabin 2 is configured to rotate to a counterweight position in the container scanning mode and to rotate to a retracted position in the train scanning mode. The detector arm 5 is arranged on the mobile body 1, and a first detector 6 is arranged on the detector arm 5; the detector arm 5 is configured to have a folded state and an unfolded state, and is in the unfolded state in the container scanning mode and in the folded state in the train scanning mode. The accelerator cabin 3 is arranged in the rear cabin 2, and the accelerator cabin 3 is configured to emit a beam of radiation from the first beam outlet 201 and the second beam outlet 202 of the rear cabin 2 in the container scanning mode and the train scanning mode, respectively.

[0055] In this embodiment, a first beam outlet 201 and a second beam outlet 202 are provided on the rear cabin 2, and the rear cabin 2 is configured to rotate to a counterweight position in a container truck scanning mode and to rotate to a retracted position in a train scanning mode, so that the mobile inspection device can emit rays from two directions in the container truck scanning mode and the train scanning mode respectively, and scan the container truck or the train through the first beam outlet 201 and the second beam outlet 202, respectively, thereby realizing the use of only one mobile inspection device in two application scenarios, thereby expanding the scope of application of the mobile inspection device.

[0056] According to some embodiments of the present disclosure, as shown in Figures 1 and 4 , when the mobile inspection device is in transport mode, referring to the top view in Figure 4 , the geometric centers of gravity of the accelerator cabin 3 and the detector arm 5 are approximately located on the central axis of the mobile body 1. Here, referring to Figure 4 , the left side of the mobile body 1 is set as the passenger side, and the right side of the mobile body 1 is set as the driver side. The first beam outlet 201 is provided on a side surface of the rear cabin 2 along the direction of travel of the mobile body, and the second beam outlet 202 is provided on a side surface of the rear cabin 2 on the passenger side. The orientation of the first beam outlet 201 is perpendicular to the orientation of the second beam outlet 202.

[0057] According to some embodiments of the present disclosure, in the container truck scanning mode, as shown in Figure 1, the accelerator cabin 3 is configured to be fixed in the rear cabin 2, and the rear cabin 2 is configured to rotate synchronously with the accelerator cabin 3 relative to the mobile body 1, that is, during the rotation of the rear cabin 2, the accelerator cabin 3 remains stationary relative to the rear cabin 2, and the detector arm 5 can simultaneously rotate in the opposite direction to achieve a counterweight balance between the rear cabin 2 as a whole and the detector arm 5 during the rotation process, thereby preventing the mobile body 1 from tipping over.

[0058] In this embodiment, the rear cabin 2 and the detector arm 5 are driven to move to both sides of the mobile body 1, so that the accelerator in the accelerator cabin 3 in the rear cabin 2 and the first detector 6 in the detector arm 5 are arranged opposite to each other, and an inspection channel suitable for the container truck is formed between them.

[0059] In this embodiment, referring to the top views in Figures 1 and 4 , the rear cabin 2 rotates clockwise (approximately 90°) from the transport mode in Figure 4 to the container truck scanning mode in Figure 1 . At this time, the first beam outlet 201 of the rear cabin 2 faces the co-pilot side, and the second beam outlet 202 faces the rear side of the moving direction of the mobile body. The first collimator 301 of the accelerator cabin 3 is opposite or aligned with the first beam outlet 201. As a result, the beam generated by the accelerator in the accelerator cabin 3 is emitted from the first beam outlet 201 via the first collimator 301. At this time, the beam outlet direction of the beam is approximately perpendicular to the moving direction of the mobile body 1. In the container truck scanning mode, the unfolded detector arm 5 and the accelerator cabin 3 are respectively located on both sides of the central axis of the mobile body 1, thereby balancing the overall counterweight of the mobile inspection device.

[0060] According to some embodiments of the present disclosure, as shown in FIG1 , the detector arm 5 includes: a first support arm 501, a horizontal support arm 502, and a vertical detection arm 503. One end of the first support arm 501 can be hingedly connected to the rear cabin 2 and is configured to rotate synchronously with the rear cabin 2. One end of the horizontal support arm 502 is connected to the other end of the first support arm 501. The vertical detection arm 503 is hingedly connected to the other end of the horizontal support arm 502. The first detector 6 can be set on the vertical detection arm 503 and the horizontal support arm 502. It should be noted that in the transport mode of the mobile inspection device, the first support arm 501, the horizontal support arm 502, and the vertical detection arm 503 included in the detector arm 5 are in a folded state and are completely stored within the width of the mobile body to comply with the regulatory requirements for road transportation. It should be noted that in the train scanning mode of the mobile inspection device described below, the first support arm 501, the horizontal support arm 502, and the vertical detection arm 503 included in the detector arm 5 are also in a folded state.

[0061] According to some embodiments of the present disclosure, the deployment process of the detector arm 5 may include: the first support arm 501 drives the horizontal support arm 502 and the vertical detection arm 503 to rise in the vertical direction, or the first support arm 501 rotates a certain angle (for example, 90°) relative to the rear cabin 2 or the mobile body 1 in a plane perpendicular to the moving direction of the mobile body 1 to drive the horizontal support arm 502 and the vertical detection arm 503 to rise; then it is driven to rotate approximately 90°, and then the vertical detection arm 503 is deployed, thereby realizing the change of the first support arm 501, the horizontal support arm 502 and the vertical detection arm 503 from a folded state to an deployed state; the horizontal support arm 502 and the vertical detection arm 503 move to one side of the mobile body 1, at this time the first support arm 501, the horizontal support arm 502 and the vertical detection arm 503 together with the mobile body 1 form a frame-type scanning structure, and the container truck 8 to be scanned passes through the frame-type scanning structure for inspection.

[0062] According to some embodiments of the present disclosure, as shown in FIG2 , in a train scanning mode, the accelerator cabin 3 is configured to emit a ray beam from the second beam outlet 202 toward the second detector 11 at a predetermined position.

[0063] According to some optional embodiments of the present disclosure, in a train scanning mode, the rear cabin 2 is configured to be stationary relative to the moving body 1, and the accelerator cabin 3 is configured to rotate relative to the rear cabin 2, for example, as shown in FIG2 , it rotates 90° clockwise, so that the ray beam generated by the accelerator in the accelerator cabin 3 is emitted from the second beam outlet 202 via the first collimator 301 and is directed toward the second detector 11 at a predetermined position or a predetermined distance. It should be noted that the second detector 11 can be fixedly set on one side of the train track, or moved to one side of the train track via other mobile carriers (such as AGVs), in which case the mobile inspection device is located on the other side of the train track. FIG2 shows a case where there are two train tracks, but is not limited thereto.

[0064] In this embodiment, the accelerator cabin 3 is connected to the rear cabin 2 through a rotating assembly, and the driving device drives the accelerator cabin 3 to rotate relative to the rear cabin 2 so that the first collimator 301 of the accelerator cabin 3 is aligned with the second beam outlet 202 as needed, thereby realizing direct switching from transportation mode to train scanning mode.

[0065] According to some embodiments of the present disclosure, as shown in FIG3 , in another train scanning mode, the accelerator cabin 3 is configured to generate a ray beam which is emitted from the second beam outlet 202 via the second collimator 302 and directed toward the second detector 11 at a predetermined position or a predetermined distance.

[0066] According to some alternative embodiments of the present disclosure, the accelerator within the accelerator chamber 3 includes a transmission target, and the accelerator chamber 3 is provided with a first collimator 301 and a second collimator 302, respectively corresponding to or aligned with the first beam outlet 201 and the second beam outlet 202. In the collection card scanning mode, the accelerator is configured so that electrons in the accelerating tube interact with the transmission target to generate a radiation beam, which is then emitted from the first beam outlet 201 via the first collimator 301.

[0067] According to some alternative embodiments of the present disclosure, the accelerator in the accelerator cabin 3 includes a transmission target, and the accelerator cabin 3 is provided with a first collimator 301 and a second collimator 302 corresponding to or aligned with the first beam outlet 201 and the second beam outlet 202, respectively. In a train scanning mode, the accelerator is configured to generate a beam of radiation by interacting with the transmission target in the accelerating tube, and emit the beam of radiation from the second beam outlet 202 via the first collimator 301. It will be understood that in this embodiment, the accelerator cabin 3 is rotated 90° relative to the rear cabin 2, as shown in FIG2 . In this embodiment, the geometric center of gravity of the accelerator cabin 3 is preferably set on the central axis of the moving body 1 so as to maintain the counterweight balance of the moving body 1 during the rotation process.

[0068] According to some alternative embodiments of the present disclosure, the accelerator within the accelerator cabin 3 includes a reflective target, and the accelerator cabin 3 is provided with a first collimator 301 and a second collimator 302 corresponding to the first beam outlet 201 and the second beam outlet 202, respectively. In another train scanning mode, the accelerator is configured so that electrons in the accelerating tube interact with the reflective target to generate a radiation beam, which is then emitted from the second beam outlet 202 via the second collimator 302. It will be understood that in this embodiment, neither the rear cabin 2 nor the accelerator cabin 3 rotates; the beam's direction is changed solely by the choice of target material.

[0069] According to some embodiments of the present disclosure, the beam-emission direction of the ray beam through the first beam-emission port 201 is perpendicular to the beam-emission direction of the ray beam through the second beam-emission port 202 .

[0070] In the present disclosure, the first collimator 301 and the second collimator 302 can be collimating slits provided on the accelerator cabin body, or can be collimators directly or indirectly external to the accelerator cabin 3 and capable of rotating synchronously with the accelerator cabin 3, for constraining the radiation beam into a fan-shaped beam. The first beam outlet 201 and the second beam outlet 202 can be narrow and long openings provided on the rear cabin 2.

[0071] In the present disclosure, it is understood that the accelerator within the accelerator cabin 3 may include both a transmission target and a reflection target, and the choice of either transmission target or reflection target can be determined based on practical circumstances. For example, the transmission target and reflection target are preferably flat-plate shaped and positioned at the exit of the accelerating tube. For example, in the cluster scanning mode of FIG1 and the column scanning mode of FIG2 , the flat-plate transmission target is positioned perpendicular to the axial direction of the accelerating tube. Accelerated electrons interact with the transmission target, generating a beam of radiation traveling in a straight line along the axial direction of the accelerating tube. In this case, the flat-plate reflection target can be positioned parallel to the axial direction of the accelerating tube. For another example, in the train scanning mode of FIG3 , neither the accelerator cabin nor the accelerator rotates. The transmission target in FIG2 is replaced with a flat-plate reflection target, positioned at an equal angle of 45° to the axial direction of the accelerating tube. Accelerated electrons interact with the reflection target, generating a beam of radiation traveling perpendicular to the axial direction of the accelerating tube. In this case, the flat-plate transmission target can be positioned parallel to the axial direction of the accelerating tube. It should be noted that the axial direction of the accelerating tube refers to the direction in which electrons are accelerated in the accelerating tube.

[0072] FIG5 is a schematic structural diagram of a rotating assembly of the mobile inspection device shown in FIG1 .

[0073] According to some embodiments of the present disclosure, as shown in FIG5 , a rotating assembly and a driving assembly 12 are respectively provided between the rear cabin 2 and the mobile body 1, and between the accelerator cabin 3 and the rear cabin 2, so that the rear cabin 2 can be horizontally rotatably connected to the mobile body 1, and the accelerator cabin 3 can be horizontally rotatably connected to the rear cabin 2.

[0074] According to some embodiments of the present disclosure, as shown in FIG5 , the rotating assembly includes a fixed ring 9 and a rotating ring gear 10. The fixed ring 9 is disposed on the mobile body 1 or the rear cabin 2. The rotating ring gear 10 is coaxially sleeved with the fixed ring 9 and is connected to the rear cabin 2 or the accelerator cabin 3. The driving assembly 12 is in transmission connection with the rotating ring gear 10 to drive the rear cabin 2 or the accelerator cabin 3 to rotate. It will be understood that the rotation of the rear cabin 2 and the rotation of the accelerator cabin 3 can be independently controlled.

[0075] In this embodiment, the accelerator cabin 3 is connected to the rotating ring gear 10. The rear cabin 2 is connected to the fixed ring 9. The rotating ring gear 10 and the fixed ring 9 are coaxially arranged. The rotating component composed of the rotating ring gear 10 and the fixed ring 9 has a good axial load-bearing capacity to ensure that the accelerator cabin 3 rotates smoothly horizontally and its own position does not shift in the vertical direction. An annular guide rail is provided on one of the rotating ring gear 10 and the fixed ring 9, and the other is seated on the annular guide rail, so that the relative position of the rotating ring gear 10 and the fixed ring 9 is not easy to shift, and at the same time, the friction resistance between the two is small, ensuring the stable position of the accelerator cabin 3 during the rotation process and improving the position accuracy.

[0076] According to some embodiments of the present disclosure, the drive assembly 12 includes a hydraulic motor or a reduction motor.

[0077] According to another aspect of the present disclosure, there is further provided a mobile inspection system, comprising: the mobile inspection device as described above; and a second detector, the second detector being disposed on a mobile carrier or a fixed carrier independent of the mobile body.

[0078] According to the mobile inspection device and mobile inspection system of the embodiments of the present disclosure, by arranging the first beam outlet and the second beam outlet on the rear cabin, the rear cabin is configured to rotate to the counterweight position in the container truck scanning mode and to the retracted position in the train scanning mode, and combined with the improvement of the accelerator cabin / accelerator, the mobile inspection device can emit rays from the first beam outlet and the second beam outlet in two directions in the container truck scanning mode and the train scanning mode respectively, to scan the container truck or the train respectively; only one mobile inspection device can be used, and in combination with the detector arm of the relevant train series products, the scanning device can realize rapid transfer in addition to conventional container truck scanning, and is suitable for the dual scanning mode of train scanning.

[0079] The embodiments of the present disclosure have been described in detail with reference to the accompanying drawings. It should be noted that any implementations not depicted or described in the drawings or the main text of the specification are known to those skilled in the art and are not described in detail. Furthermore, the definitions of the various components described above are not limited to the specific structures, shapes, or methods described in the embodiments; those skilled in the art may easily modify or replace them.

[0080] Those skilled in the art will appreciate that the features described in the various embodiments and / or claims of this disclosure may be combined and / or coupled in various ways, even if such combinations and / or couplings are not explicitly described in this disclosure. In particular, the features described in the various embodiments and / or claims of this disclosure may be combined and / or coupled in various ways without departing from the spirit and teachings of this disclosure. All such combinations and / or couplings are intended to fall within the scope of this disclosure.

[0081] The specific embodiments described above further illustrate the purpose, technical solutions and beneficial effects of the present disclosure. It should be understood that the above are only specific embodiments of the present disclosure and are not intended to limit the present disclosure. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present disclosure should be included in the scope of protection of the present disclosure.

Claims

1. A mobile inspection device, which includes a mobile body, a rear cabin, an accelerator cabin, and a detector arm. The mobile inspection device has a container truck scanning mode and a train scanning mode that can be switched between each other; Among them, The rear cabin is rotatably arranged on the mobile body, and the rear cabin is configured to rotate to a counterweight position in the container truck scanning mode and rotate to a retracted position in the train scanning mode; The detector arm is arranged on the mobile body, and a first detector is arranged on the detector arm. The detector arm is configured to have a folded state and an unfolded state, and is in the unfolded state in the container truck scanning mode and in the folded state in the train scanning mode; The accelerator cabin is arranged in the rear cabin and is configured to emit a beam of rays from a first beam outlet and a second beam outlet of the rear cabin in the container truck scanning mode and the train scanning mode respectively.

2. The mobile inspection device according to claim 1, wherein, In the container truck scanning mode, the accelerator cabin is configured to be fixed in the rear cabin, and the rear cabin is configured to rotate relative to the mobile body synchronously with the accelerator cabin to achieve the counterweight balance between the rear cabin and the detector arm.

3. The mobile inspection device according to claim 1, wherein In the train scanning mode, the accelerator cabin is configured to emit a beam of rays from the second beam outlet and direct it towards a second detector at a predetermined position.

4. The mobile inspection device according to claim 3, wherein, In the train scanning mode, the rear cabin is configured to remain stationary relative to the mobile body, and the accelerator cabin is configured to rotate relative to the rear cabin to emit a beam of rays from the second beam outlet and direct it towards a second detector at a predetermined position.

5. The mobile inspection device according to claim 2, wherein, The accelerator in the accelerator cabin includes a transmission target, and the accelerator cabin is provided with a first collimator and a second collimator corresponding to the first beam outlet and the second beam outlet respectively; In the container truck scanning mode, the accelerator is configured to generate a beam of rays by the interaction of electrons in the acceleration tube with the transmission target, and emit the beam of rays from the first beam outlet through the first collimator.

6. The mobile inspection device according to claim 3 or 4, wherein, The accelerator in the accelerator cabin includes a transmission target, and the accelerator cabin is provided with a first collimator and a second collimator corresponding to the first beam outlet and the second beam outlet respectively; In the train scanning mode, the accelerator is configured to generate a beam of rays by the interaction of electrons in the acceleration tube with the transmission target, and emit the beam of rays from the second beam outlet through the first collimator.

7. The mobile inspection device according to claim 3, wherein, The accelerator in the accelerator cabin includes a reflection target, and the accelerator cabin is provided with a first collimator and a second collimator corresponding to the first beam outlet and the second beam outlet respectively; In the train scanning mode, the accelerator is configured to generate a beam of rays by the interaction of electrons in the acceleration tube with the reflection target, and emit the beam of rays from the second beam outlet through the second collimator.

8. The mobile inspection device according to claim 1, wherein, The beam exit direction of the radiation source through the first beam outlet is perpendicular to the beam exit direction of the beam of rays through the second beam outlet.

9. A mobile inspection system, wherein, Comprising: The mobile inspection device according to any one of claims 1 to 8; And A second detector, which is arranged on a mobile carrier or a fixed carrier independent of the mobile body.

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