WO2021073217A1

WO2021073217A1 - Radiation scanning inspection apparatus

Info

Publication number: WO2021073217A1
Application number: PCT/CN2020/108186
Authority: WO
Inventors: 宋全伟; 孙尚民; 郭以伟; 樊旭平; 史俊平; 何远; 孟辉; 宗春光; 胡煜; 倪秀琳
Original assignee: 同方威视技术股份有限公司
Priority date: 2019-10-16
Filing date: 2020-08-10
Publication date: 2021-04-22
Also published as: GB2603415A; CN112666622B; PL440918A1; CN112666622A; GB2603415B; GB202205483D0

Abstract

A radiation scanning inspection apparatus. The apparatus is provided with a working state and a transportation state, and comprises a base part, wherein the base part comprises a first longitudinal part (1) and a second longitudinal part (2) that are positioned on two opposite sides of the radiation scanning inspection apparatus; a main beam (3), wherein the main beam is arranged above the base part, and the height of the main beam in the working state is greater than that in the transportation state; a lifting device (62) arranged on the base part and used for lifting the main beam (3) when the working state and the transportation state are switched; and a support body (61), wherein the support body can be separated relative to the base part, is arranged between the main beam (3) and the base part in the working state, and is separated from the base part in the transportation state, such that the main beam (3) is directly connected to the base part. According to the inspection apparatus, disassembly and assembly of the apparatus are reduced, when the apparatus is switched from the transportation state to the working state, various tedious calibration operations do not need to be carried out, and state switching is flexible and convenient.

Description

Radiation scanning inspection equipment

Cross-references to related applications

This application is based on a Chinese patent application whose CN application number is 201910981939.3, the filing date is October 16, 2019, and the invention title is "Radiation Scanning Inspection Equipment", and its priority is claimed. The disclosure of the Chinese patent application is in This is incorporated into this application as a whole.

Technical field

The present disclosure relates to the field of radiation scanning inspection, and in particular to a radiation scanning inspection device.

Background technique

Radiation scanning inspection equipment is required to be able to detect the object to be detected under working conditions, and it needs to meet the specified channel height. In this state, the external dimensions of the equipment often cannot meet the overall transportation requirements, and the radiation scanning inspection equipment needs to be disassembled and transported. When the radiation scanning inspection equipment needs to work again, the disassembled equipment needs to be reassembled, that is, it is necessary to rearrange cables, recalibrate the radiation source, and the detector, which is time-consuming and labor-intensive.

Summary of the invention

The present disclosure provides a radiation scanning inspection device, which has a working state and a transportation state, including:

The base includes a first longitudinal portion and a second longitudinal portion located on opposite sides of the radiation scanning inspection device;

The main beam is set above the base, and the height in the working state is greater than the height in the transport state;

Lifting device, set on the base, used to lift the main beam when the working state and the transportation state are switched; and

The supporting body is separable from the base. In the working state, it is arranged between the main beam and the base. The base supports the main beam through the supporting body. In the transportation state, it is separated from the base and the main beam is directly supported on the top of the base.

In some embodiments, the main beam is provided with a guide rail that is slidably connected to the support body. When the working state is switched to the transportation state, the support body slides to the area between the first longitudinal portion and the second longitudinal portion through the guide rail, When the transportation state is switched to the working state, the support body slides between the base and the main beam through the guide rail.

In some embodiments, a fixing device is provided on the part of the guide rail located in the area between the first longitudinal portion and the second longitudinal portion. In the transport state, the fixing device fixes the support body and the main beam.

In some embodiments, a guiding device is provided between the main beam and the base, and the guiding device is used to guide the lifting of the main beam.

In some embodiments, the support body includes a first support provided between the main beam and the first longitudinal portion and a second support provided between the main beam and the second longitudinal portion, and the lifting device includes a first support provided between the main beam and the second longitudinal portion. A first lifting part on a longitudinal part and a second lifting part arranged on the second longitudinal part.

In some embodiments, a first positioning portion is provided on the main beam, and a second positioning portion on the support body. In the working state, the first positioning portion is matched with the second positioning portion.

In some embodiments, a third positioning part is provided on the base, and the third positioning part cooperates with the first positioning part in the transportation state.

In some embodiments, the radiation scanning inspection equipment further includes a stabilizing beam. In the transportation state, the stabilizing beam is connected to the first longitudinal portion and the second longitudinal portion. In the working state, the stabilizing beam is connected to the first longitudinal portion and the second longitudinal portion. Separate.

In some embodiments, the radiation scanning inspection equipment further includes a walking device. In the working state, the walking device is connected below the base, and in the transport state, the walking device is separated from the base.

In some embodiments, the first longitudinal portion is a cabin with a radiation source, and the second longitudinal portion is a wall or a cabin.

Based on the radiation scanning inspection equipment provided by the present disclosure, by setting a support body between the base and the main beam, in the working state, the support body is set between the base and the main beam, the radiation scanning inspection equipment has sufficient height, and when switching In the transportation state, after the main beam is raised by the lifting device, the support body is separated from the base and removed, so that the main beam is lowered to be directly connected to the base, which reduces the height of the radiation scanning inspection equipment and facilitates transportation. When the equipment is working again, only the support body needs to be moved between the main beam and the base. Compared with the prior art, the disassembly and assembly work of the equipment is reduced, which is more convenient and simple. At the same time, when switching to the working state again, various tedious calibration work is no longer required, and the state switching is more flexible and convenient.

Through the following detailed description of exemplary embodiments of the present disclosure with reference to the accompanying drawings, other features and advantages of the present disclosure will become clear.

Description of the drawings

The drawings described here are used to provide a further understanding of the present disclosure and constitute a part of the present application. The exemplary embodiments of the present disclosure and their descriptions are used to explain the present disclosure, and do not constitute an improper limitation of the present disclosure. In the attached picture:

FIG. 1 is a schematic diagram of the structure of the radiation scanning inspection equipment in the working state of some embodiments of the disclosure;

FIG. 2 is a schematic diagram of the structure of the radiation scanning inspection equipment shown in FIG. 1 when it is transported;

Fig. 3 is a schematic diagram of a part of the structure of the radiation scanning inspection device shown in Fig. 1 in an operating state.

Detailed ways

The technical solutions in the embodiments of the present disclosure will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present disclosure. Obviously, the described embodiments are only a part of the embodiments of the present disclosure, rather than all the embodiments. The following description of at least one exemplary embodiment is actually only illustrative, and in no way serves as any limitation to the present disclosure and its application or use. Based on the embodiments in the present disclosure, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present disclosure.

Unless specifically stated otherwise, the relative arrangement of components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present disclosure. At the same time, it should be understood that, for ease of description, the sizes of the various parts shown in the drawings are not drawn in accordance with actual proportional relationships. The technologies, methods, and equipment known to those of ordinary skill in the relevant fields may not be discussed in detail, but where appropriate, the technologies, methods, and equipment should be regarded as part of the authorization specification. In all examples shown and discussed herein, any specific value should be interpreted as merely exemplary, rather than as a limitation. Therefore, other examples of the exemplary embodiment may have different values. It should be noted that similar reference numerals and letters indicate similar items in the following drawings, and therefore, once an item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

In the embodiment shown in FIGS. 1 to 3, the radiation scanning inspection equipment has a working state and a transportation state. The radiation scanning inspection equipment includes a base, a main beam 3, a lifting device 62 and a support body 61.

The base includes a first longitudinal portion 1 and a second longitudinal portion 2 located on opposite sides of the radiation scanning inspection device;

The radiation scanning inspection equipment can be a transmissive radiation scanning inspection equipment. The radiation source emits radiation rays to the inspected object passing through the door-shaped inspection channel of the door-shaped structure. The radiation rays pass through the inspected object and are received by the detector to form a radiation scan. image. The radiation scanning inspection equipment can also be a backscattering radiation scanning inspection equipment. The detector and the radiation source of the backscattering radiation scanning inspection equipment are located on the same side of the object to be inspected. After the radiation source emits radiation rays to the object to be inspected, part of the radiation rays The detected object is scattered back and received by the detector located on the same side of the radiation source, forming a radiation scan image. In the see-through radiation scanning inspection equipment, one of the first longitudinal portion 1 and the second longitudinal portion 2 may include a cabin with a radiation source, and the other may include a structure such as a wall for blocking radiation, The first longitudinal portion 1 and the second longitudinal portion 2 may both be cabins. In the embodiment shown in FIG. 1, the first longitudinal portion 1 is a cabin including a radiation source 42, the radiation source 42 is a transmissive radiation source, and the detector includes a second longitudinal portion 2 that receives transmitted radiation. The ray vertical detector 41 and the horizontal detector fixedly connected under the main beam, the second longitudinal part also includes a wall for blocking the radiant rays from radiating outward. In some embodiments, the ray source 42 may also be a backscattered ray source. In this case, the detector and the ray source 42 located on the same side of the ray source are both arranged on the first longitudinal portion.

The main beam 3 is set above the base, and the height in the working state is greater than the height in the transport state; the lifting device 62 is set on the base to lift the main beam 3 when the working state and the transport state are switched; the lifting device can be a telescopic rod, Air cylinders, hydraulic cylinders, screw nuts driven by a motor and other telescopic mechanisms, in the embodiment shown in Figures 1 to 3, the lifting device includes a lifting screw 62, through the rotation of the lifting screw 62 to make the lifting screw 62 threaded cooperation The main beam 3 is raised and lowered.

The support body 61 is separable from the base, and the support body 61 can be connected to the base by bolt connection, and the separation from the base can be realized after the bolt is removed. In the working state, the support body 61 is set between the main beam 3 and the base. The base supports the main beam 3 through the support body 61. In the transportation state, the support body 61 is separated from the base, and the main beam 3 is directly supported on the top of the base. . In the working state, the supporting body 61 is arranged between the main beam 3 and the base. Because the supporting body 61 is padded under the main beam 3, the main beam 3 has a relatively high height. In the working state, the supporting body 61 It is only located above the base and not above the inspection passage of the radiation scanning inspection equipment. Therefore, the radiation scanning inspection equipment has a higher inspection passage. When the working state is switched to the transportation state, the lifting device 62 raises the main beam, and then separates the support body 61 from the base and moves it away from the top of the base, and then the lifting device 62 lowers the main beam 3 again, so that the main beam 3 It can be directly connected to the base, and the main beam 3 has a relatively low height in the transport state. When the radiation scanning inspection equipment is switched from the transportation state to the working state, the lifting device 62 raises the main beam again, moves the support body 61 between the base and the main beam 3, and then lowers the main beam 3 again.

In the radiation scanning inspection equipment of this embodiment, the support body 61 is arranged between the base and the main beam 3. In the working state, the support body 61 is arranged between the base and the main beam 3. The radiation scanning inspection equipment has sufficient work When switching to the transportation state, the main beam 3 is lifted by the lifting device 62 to separate and remove the support body 61 from the base, so that the main beam 3 is directly supported on the base after it is lowered, thereby reducing the radiation scanning inspection The height of the equipment is convenient for transportation. When the equipment is working again, only the support body 61 needs to be moved between the main beam 3 and the base. Compared with the prior art, the disassembly and assembly work of the equipment is reduced, which is more convenient and simple. At the same time, when switching to the working state again, various tedious calibration work is no longer required, and the state switching is more flexible and convenient.

In some embodiments, the main beam 3 is provided with a guide rail that is slidably connected to the support body 61, and when switched to the transportation state, the support body 61 slides between the first longitudinal portion 1 and the second longitudinal portion 2 through the guide rail. Area. As shown in Figures 1 to 3, the guide rail includes a sliding guide rail 64 arranged on the side of the main beam 3, and a connecting seat 63 that cooperates with the sliding guide rail 64 is provided on the support body 61. When the working state is switched to the transportation state, the support The body 61 can be moved under the main beam 3 and to the area between the first longitudinal portion 1 and the second longitudinal portion 2 by sliding on the sliding guide 64. When the transport state is switched to the working state, the support body 61 The guide rail slides between the base and the main beam 3. The support body 61 of this embodiment is connected to and separated from the base by sliding on the main beam 3, which is convenient and simple. At the same time, when the support body 61 moves to connect with the base, it is also more conducive to the guiding effect of the guide rail. Alignment of the support body 61 with the base. At the same time, the support body 61 is always connected with the guide rail on the main beam 3, so that the support body 61 is always located on the main beam 3, and the transportation of the support body 61 is more convenient.

In some embodiments, the part of the guide rail located in the area between the first longitudinal portion 1 and the second longitudinal portion 2 is provided with a fixing device, and the fixing device fixes the support body 61 in the transportation state. In some embodiments, the fixing device includes a fixing rod 65. The fixing device may also be a fixed block or a fixed plate. When the support body 61 slides to the area between the first longitudinal portion 1 and the second longitudinal portion 2, The fixing device can fix the support body 61, for example, by providing a locking hole on the support body 61, and the fixing rod 65 is a telescopic rod that is locked and matched with the locking hole. By providing a fixing device, the support body 61 can be fixed during transportation, so that the support body 61 is more stable, and the stability of the equipment during transportation is improved.

In some embodiments, a guiding device is provided between the main beam 3 and the base, and the guiding device is used to guide the lifting of the main beam 3. This arrangement can make the lifting of the main beam 3 more stable and reliable, and at the same time make it easier to restore the main beam 3 to an accurate working position when the main beam 3 is switched back to the working state in the transportation state.

In some embodiments, as shown in FIGS. 1 to 3, the support body 61 includes a first support 611 provided between the main beam 3 and the first longitudinal portion 1, and a first support 611 provided between the main beam 3 and the second longitudinal portion 2. Between the second support 612, the lifting device 62 includes a first lifting portion 621 provided on the first longitudinal portion 1 and a second lifting portion 622 provided on the second longitudinal portion 2. In the working state, the main beam 3 is supported by the first support 611 and the second support 612 on both sides, which can make the main beam 3 more stable and reliable. The lifting part 622 lifts and lowers the main beam 3, which can also make the lifting of the main beam 3 more stable and reliable.

In some embodiments, as shown in FIG. 3, a first positioning portion 67 is provided on the main beam 3, and a second positioning portion 68 is provided on the support body 61. In the working state, the first positioning portion 67 and the second positioning portion 68 Cooperate. The first positioning portion 67 and the second positioning portion 68 are provided. When the support body 61 is switched from the separated state to the base portion, the alignment and cooperation of the first positioning portion 67 and the second positioning portion 68 can be used. The support body 61 can be restored to the working position more quickly and accurately.

In some embodiments, a third positioning portion 69 is provided on the base, and the third positioning portion 69 cooperates with the first positioning portion 67 in the transportation state. In the transportation state, through the cooperation of the first positioning portion 67 and the third positioning portion 69, the main beam 3 can be stably and reliably placed in a suitable transportation position, which facilitates the transportation of the equipment. In some embodiments, the first positioning portion 67 is a telescopic pin provided on the main beam 3, and the second positioning portion 68 is provided on the support body 61 for cooperating with the pin in the working state. The first pin hole and the third positioning part are the second pin holes used to cooperate with the pin shaft in the transportation state.

In some embodiments, as shown in FIG. 2, the radiation scanning inspection equipment further includes a stabilizing beam 66. In the transportation state, the stabilizing beam 66 is connected to the first longitudinal portion 1 and the second longitudinal portion 2, and in the working state, the stabilizing beam 66 It is separated from both the first longitudinal portion 1 and the second longitudinal portion 2. By setting the stabilizing beam 66, before separating the support body 61 from the base, the stabilizing beam 66 can be connected to the first longitudinal portion 1 and the second longitudinal portion 2 to improve the rigidity and stability of the equipment, so that the main beam can be lifted and lowered. 3 and in the process of moving the support body 61, the radiation scanning inspection equipment can be made more stable, and the interference to other components can be further reduced. During transportation, the stabilizer beam 66 can also improve the stability of the radiation scanning inspection equipment.

In some embodiments, as shown in Figures 1 to 2, the radiation scanning inspection equipment further includes a walking device, which includes a plurality of wheel assemblies. In the working state, the walking device is connected below the base, and in the transport state, the walking device and The base is separated. This arrangement can further improve the height and stability of the radiation scanning inspection equipment during transportation by separating the walking device from the base during transportation.

In some embodiments, the first longitudinal portion 1 is a cabin with a radiation source, and the second longitudinal portion 2 is a wall or a cabin.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present disclosure and not to limit it; although the present disclosure has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that: Modifications to the disclosed specific implementations or equivalent replacements of some technical features shall be included in the scope of the technical solutions claimed in the present disclosure.

Claims

A radiation scanning inspection device with working status and transportation status, including:

The base includes a first longitudinal portion (1) and a second longitudinal portion (2) located on opposite sides of the radiation scanning inspection device;

The main beam (3) is arranged above the base, and the height in the working state is greater than the height in the transportation state;

A lifting device (62) is provided on the base and used to lift the main beam (3) when the working state and the transportation state are switched; and

The support body (61) is separable relative to the base. In the working state, the support body (61) is arranged between the main beam (3) and the base, and the base passes through the The supporting body (61) supports the main beam (3), and in the transportation state, the supporting body (61) is separated from the base, and the main beam (3) is directly supported on the top end of the base.
The radiation scanning inspection equipment according to claim 1, wherein the main beam (3) is provided with a guide rail slidably connected to the support body (61), and when the working state is switched to the transportation state, The support body (61) slides to the area between the first longitudinal portion (1) and the second longitudinal portion (2) through the guide rail, when the transportation state is switched to the working state , The support body (61) slides between the base and the main beam (3) through the guide rail.
The radiation scanning inspection equipment according to claim 2, wherein a fixing device is provided on the part of the guide rail located in the area between the first longitudinal portion (1) and the second longitudinal portion (2), and In the transportation state, the fixing device fixes the support body (61) and the main beam (3).
The radiation scanning inspection equipment according to claim 1, wherein a guiding device is provided between the main beam (3) and the base, and the guiding device is used for lifting and guiding the main beam (3).
The radiation scanning inspection equipment according to claim 1, wherein the support body (61) comprises a first support (611) arranged between the main beam (3) and the first longitudinal portion (1) ) And a second support (612) provided between the main beam (3) and the second longitudinal portion (2), and the lifting device (62) includes a second support (612) provided on the first longitudinal portion (1). ) On the first lifting portion (621) and the second lifting portion (622) provided on the second longitudinal portion (2).
The radiation scanning inspection equipment according to any one of claims 1 to 5, wherein the main beam (3) is provided with a first positioning portion (67), and the support body (61) is provided with a second positioning portion (68). ), in the working state, the first positioning portion (67) is matched with the second positioning portion (68).
The radiation scanning inspection equipment according to claim 6, wherein a third positioning portion (69) is provided on the base, and in the transportation state, the third positioning portion (69) and the first positioning portion ( 67) Cooperate.
The radiation scanning inspection device according to any one of claims 1 to 5, wherein the radiation scanning inspection device further comprises a stabilizing beam (66), and in the transportation state, the stabilizing beam (66) and the first longitudinal direction The section (1) is connected to the second longitudinal section (2). In the working state, the stabilizer beam (66) is connected to the first longitudinal section (1) and the second longitudinal section (2). Separate.
The radiation scanning inspection equipment according to any one of claims 1 to 5, wherein the radiation scanning inspection equipment further comprises a walking device. State, the walking device is separated from the base.
The radiation scanning inspection equipment according to any one of claims 1 to 5, wherein the first longitudinal portion (1) is a cabin with a radiation source, and the second longitudinal portion (2) is a wall or a cabin .