Mounting structure and X-ray safety inspection system

Abstract

The utility model relates to the technical field of radiation detection, and discloses a mounting structure and an X-ray safety inspection system, the mounting structure comprises a mounting bottom plate, a collimator and a light source assembly, and the collimator and the light source assembly are both fixed on the mounting bottom plate. Fixing holes are formed in the mounting bottom plate, the fixing holes comprise two sets of fixing holes oppositely formed in the first direction, each set of fixing holes comprises at least two fixing holes formed in the second direction at intervals, and the fixing holes are kidney-shaped holes extending in the first direction; the mounting bottom plate is connected with a frame of the X-ray safety inspection system in a position-adjustable manner through a first fastener arranged in the fixing hole in a penetrating manner, and the first direction is perpendicular to the second direction. The light source assembly and the collimator are both fixed on the mounting bottom plate, and the mounting bottom plate can move by a preset distance along the first direction, so that the synchronous movement of the light source assembly and the collimator can be realized by moving the mounting bottom plate, and the debugging difficulty of the light source, the collimator and the detector is greatly reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to radiation detection technical field especially, relate to a mounting structure and X ray safety inspection system. BACKGROUND

[0002] The light source and collimator of the conventional X ray safety inspection system are in the separated state, the light source is separately installed on the rack, the collimator is also independently installed on the rack, and the positions of the light source and the collimator can be adjusted individually. This kind of installation mode can lead to the three components (light source, collimator and detector) on the three points and one line of the X ray safety inspection system can be adjusted, and the adjustment does not have a unified reference, and which component is adjusted each time depends entirely on the experience of the debugging personnel, leading to very great debugging difficulty.

[0003] Therefore, an installation structure and X ray safety inspection system are urgently needed to solve the above problems. UTILITY MODEL CONTENTS

[0004] One purpose of the utility model is to provide an installation structure, which greatly reduces the debugging difficulty of the light source, collimator and detector.

[0005] According to the above idea, the technical scheme adopted by the utility model is:

[0006] An installation structure is provided, which comprises:

[0007] A mounting bottom plate is provided with fixing holes, the fixing holes comprise two groups of fixing holes oppositely arranged along a first direction, each group of fixing holes comprises at least two fixing holes spaced apart along a second direction, the fixing holes are waist-shaped holes extending along the first direction, the mounting bottom plate is adjustably connected with the frame of the X ray safety inspection system through first fasteners penetrating the fixing holes, and the first direction is perpendicular to the second direction;

[0008] A collimator is fixed to the mounting bottom plate;

[0009] A light source assembly is fixed to the mounting bottom plate.

[0010] Optionally, at least two groups of first mounting holes oppositely arranged along the first direction are arranged on the mounting bottom plate, first through holes are arranged on the light source assembly, the installation structure further comprises first connecting pieces, one first connecting piece penetrates one first through hole and is fixed in one first mounting hole, and the first through hole is a waist-shaped hole extending along the first direction.

[0011] Optionally, the mounting base is further provided with two groups of first positioning holes opposite along the first direction, the light source assembly is provided with second through holes, and the mounting structure further comprises first positioning pins, one of the first positioning pins passes through one of the second through holes and is inserted into one of the first positioning holes, and the second through hole is a circular hole with the same size as the first positioning hole.

[0012] Optionally, the light source assembly comprises a light source and a light source support, the light source is fixed on the light source support, and the first through holes and the second through holes are arranged on the light source support.

[0013] Optionally, the mounting base is further provided with two groups of second mounting holes opposite along the first direction, the collimator is provided with third through holes, and the mounting structure further comprises second connecting members, one of the second connecting members passes through one of the third through holes and is fixed in one of the second mounting holes, and the third through hole is a waist-shaped hole extending along the first direction.

[0014] Optionally, the mounting base is further provided with second positioning holes, the mounting structure further comprises second positioning pins, the second positioning pins are inserted into the second positioning holes, the second positioning pins surround the mounting area of the collimator, and the collimator is located in the mounting area and abuts against the second positioning pins.

[0015] Optionally, the mounting base is further provided with first collimating slits extending along the second direction, the collimator comprises two lead plate assemblies arranged opposite along the first direction, a second collimating slit extending along the second direction is formed between the two lead plate assemblies, and a projection of the first collimating slit along the thickness direction of the mounting base covers the second collimating slit.

[0016] Optionally, the mounting base is further provided with two groups of third mounting holes opposite along the second direction, the collimator further comprises an insertion plate and a second fastener, the insertion plate comprises a fixed part and an insertion gap part, the insertion gap part is clamped between the two lead plate assemblies, and the second fastener passes through the fixed part and is fixed in the third mounting hole.

[0017] Optionally, the lead plate assembly comprises an upper collimating plate, a lead plate and a lower collimating plate arranged in an overlapping manner, and the upper collimating plate, the lead plate and the lower collimating plate are connected through a third fastener.

[0018] Another purpose of the utility model is to provide an X-ray safety inspection system, which has a light source, a collimator and a detector, and has small debugging difficulty.

[0019] As conceived above, the technical scheme adopted by the utility model is:

[0020] Provided is an X-ray security inspection system comprising a frame and the mounting structure described above, the mounting structure being adjustably connected to the frame by the first fastener inserted into the fixing hole.

[0021] The utility model discloses the beneficial effect that:

[0022] The mounting structure provided by the utility model comprises a mounting bottom plate, a light source assembly and a collimator, and the light source assembly and the collimator are both fixed to the mounting bottom plate. The mounting bottom plate is provided with fixing holes, the fixing holes comprise two groups of fixing holes arranged oppositely along a first direction, each group of fixing holes ensures that two fixing holes are arranged at intervals along a second direction, the fixing holes are waist-shaped holes extending along the first direction, and the mounting bottom plate is adjustably connected to the frame of the X-ray security inspection system by a first fastener inserted into the fixing hole. In specific implementation, the first fastener can be a bolt, and a threaded hole matched with the bolt is arranged on the frame, the first fastener is inserted into the fixing hole and fixed in the threaded hole, and the mounting bottom plate and the frame can be fixed. If the position of the mounting bottom plate and the frame needs to be adjusted, the first fastener can be loosened, so that the first fastener is still inserted into the fixing hole, but no longer abuts against the mounting bottom plate in the thickness direction of the mounting bottom plate, so that the mounting bottom plate can move relative to the frame by a preset distance along the first direction, and the preset distance is smaller than the length direction of the waist-shaped hole. When the light source assembly, the collimator and the detector are mounted on the frame of the X-ray security inspection system, the production precision and the mounting level are limited, and it is impossible to ensure that the light source assembly, the collimator and the detector are located at the preset positions through one-time assembly. Only when the light source assembly, the collimator and the detector are all located at the preset positions, can the rays emitted by the light source assembly pass through the collimator and irradiate all the detectors. Therefore, after one-time mounting, if the rays emitted by the light source assembly cannot irradiate all the detectors after passing through the collimator, the mounting bottom plate can be moved along the first direction. The mounting structure provided in the embodiment fixes the light source assembly and the collimator to the mounting bottom plate, and only the mounting bottom plate needs to be moved to realize the synchronous movement of the light source assembly and the collimator, so that the debugging difficulty of the light source, the collimator and the detector can be greatly reduced.

[0023] The X-ray security inspection system provided by the utility model comprises a frame and the mounting structure described above, and the mounting structure is adjustably connected to the frame by the first fastener inserted into the fixing hole. The mounting structure assembles the light source assembly, the collimator and the mounting bottom plate in advance, and only the mounting bottom plate needs to be moved when the light source assembly, the collimator and the detector are adjusted to be in a straight line, so that the debugging difficulty of the light source, the collimator and the detector can be greatly reduced. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 FIG. 1 is a partial structural schematic view of the mounting structure provided by the utility model;

[0025] Figure 2is a structural schematic view of the mounting bottom plate provided by the embodiment of the present utility model.

[0026] In the drawing:

[0027] 1, mounting bottom plate; 11, fixing hole; 12, first mounting hole; 13, first positioning hole; 14, second mounting hole; 15, first collimating slit; 16, third mounting hole;

[0028] 2, light source assembly; 21, light source; 22, light source support; 221, first through hole; 222, second through hole;

[0029] 3, collimator; 31, lead plate assembly; 311, third through hole; 312, third fastener; 32, plugboard. DETAILED DESCRIPTION

[0030] In order to make the technical problems solved by the present utility model, the technical scheme adopted and the technical effects reached more clear, the technical scheme of the present utility model will be further explained below in combination with the drawings and through specific embodiments. It can be understood that the specific embodiments described herein are only used to explain the present utility model, not to limit the present utility model. In addition, it needs to be explained that, in order to facilitate the description, only the parts related to the present utility model are shown in the drawings, not all.

[0031] In the description of the present utility model, unless explicitly defined and limited, the terms "connected", "connected", "fixed" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements or the interaction relationship between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present utility model can be understood according to the specific circumstances.

[0032] In the present utility model, unless explicitly defined and limited, the "upper" or "lower" of the first feature to the second feature can include the direct contact of the first and second features, or it can include the contact of the first and second features through another feature between them. Moreover, the "upper", "upper" and "upper" of the first feature to the second feature include the vertical and oblique above of the first feature to the second feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The "below", "below" and "below" of the first feature to the second feature include the vertical and oblique below of the first feature to the second feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.

[0033] In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like, orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0034] The technical solutions of the present utility model will be further illustrated below in conjunction with the drawings and through specific embodiments.

[0035] As shown in Figure 1 and Figure 2 , the present embodiment provides a mounting structure, which comprises a mounting base plate 1, a light source assembly 2 and a collimator 3, and the light source assembly 2 and the collimator 3 are both fixed on the mounting base plate 1. The mounting base plate 1 is provided with fixing holes 11, the fixing holes 11 comprise two groups of fixing holes 11 arranged oppositely along a first direction, each group of fixing holes 11 comprises at least two fixing holes 11 arranged spaced apart along a second direction, the fixing holes 11 are waist-shaped holes extending along the first direction, and the mounting base plate 1 is adjustably connected with the frame of the X-ray security inspection system through first fasteners penetrating the fixing holes 11. In specific implementation, the first fasteners can be selected as bolts, and the frame is provided with matching threaded holes, the first fasteners penetrate the fixing holes 11 and are fixed in the threaded holes, so that the mounting base plate 1 and the frame can be fixed. If the position of the mounting base plate 1 and the frame needs to be adjusted, the first fasteners can be loosened, so that the first fasteners still penetrate the fixing holes 11, but no longer abut against the mounting base plate 1 in the thickness direction of the mounting base plate 1, so that the mounting base plate 1 can move relative to the frame by a preset distance along the first direction, and the preset distance is smaller than the length direction of the waist-shaped hole. When the light source assembly 2, the collimator 3 and the detector are mounted on the frame of the X-ray security inspection system, due to the production precision and the installation level, it is impossible to ensure that the light source assembly 2, the collimator 3 and the detector can be located at the preset positions through one-time assembly, and only when the light source assembly 2, the collimator 3 and the detector are all at the preset positions, the rays emitted by the light source assembly 2 can pass through the collimator 3 and irradiate all the detectors. Therefore, after one-time installation, if the rays emitted by the light source assembly 2 cannot irradiate all the detectors after passing through the collimator 3, the mounting base plate 1 can be moved along the first direction. The mounting structure provided by the present embodiment fixes the light source assembly 2 and the collimator 3 on the mounting base plate 1, and only the mounting base plate 1 needs to be moved to realize the synchronous movement of the light source assembly 2 and the collimator 3, which can greatly reduce the debugging difficulty of the light source 21, the collimator 3 and the detector. In the present embodiment, the first direction is perpendicular to the second direction, the first direction is the ab direction in Figure 2 , and the second direction is the cd direction in Figure 2 .

[0036] Optionally, the mounting base 1 is provided with at least two groups of first mounting holes 12 opposite to each other along the first direction, the light source assembly 2 is provided with first through holes 221, and the mounting structure further comprises first connecting members, one first connecting member corresponding to passing through one first through hole 221 and being fixed in one first mounting hole 12. In the embodiment, each group of first mounting holes 12 comprises at least two first mounting holes 12 spaced along the second direction, so as to ensure the connection strength between the mounting base 1 and the frame. In other embodiments, each group of first mounting holes 12 can comprise multiple rows of first mounting holes 12 spaced along the first direction, and each row of first mounting holes 12 can comprise multiple first mounting holes 12 spaced along the second direction. In specific implementation, the first connecting member can be a screw, the first mounting hole 12 can be a threaded hole, the screw passes through the first through hole 221 and is threadedly connected in the first mounting hole 12, so as to realize the threaded connection between the light source assembly 2 and the mounting base 1, that is, the number of first through holes 221 is not less than the number of first mounting holes 12, and each first mounting hole 12 has one first through hole 221 corresponding thereto.

[0037] Optionally, the first through hole 221 is a waist-shaped hole extending along the first direction, that is, when the light source assembly 2 and the mounting base 1 are installed, the relative positions of the light source assembly 2 and the mounting base 1 can be finely adjusted along the length direction of the first through hole 221.

[0038] Optionally, the mounting base 1 is further provided with at least two groups of first positioning holes 13 opposite to each other along the first direction, the light source assembly 2 is provided with second through holes 222, and the mounting structure further comprises first positioning pins, one first positioning pin corresponding to passing through one second through hole 222 and being inserted in one first positioning hole 13, and the second through hole 222 is a circular hole with the same size as the first positioning hole 13. In the embodiment, each group of first positioning holes 13 comprises at least two first positioning holes 13 spaced along the second direction, so as to ensure the positioning accuracy of the mounting base 1 and the frame. In other embodiments, each group of first positioning holes 13 can comprise multiple rows of first positioning holes 13 spaced along the first direction, and each row of first positioning holes 13 can comprise multiple first positioning holes 13 spaced along the second direction. In specific implementation, before the first connecting member is used to fix the mounting base 1 and the light source assembly 2, the first positioning pin is used to limit the relative positions of the mounting base 1 and the light source assembly 2, so as to avoid that the light source assembly 2 or the mounting base 1 moves under force during the assembly of the first connecting member. In the embodiment, the number of second through holes 222 on the light source assembly 2 is not less than the number of first positioning holes 13, each first positioning hole 13 has one second through hole 222 corresponding thereto, and the number of first positioning pins is consistent with the number of first positioning holes 13. The first positioning hole 13 is only one end through, and the first positioning pin is inserted in the first positioning hole 13 and abuts against the inner bottom wall of the first positioning hole 13, so as to limit the movement of the first positioning pin in the hole depth direction of the first positioning hole 13.

[0039] Optionally, the light source assembly 2 comprises a light source 21 and a light source support 22, the light source 21 is fixed on the light source support 22, and the first through hole 221 and the second through hole 222 are arranged on the light source support 22. In this embodiment, the light source support 22 comprises a flat plate and two supporting legs for supporting the flat plate, the two supporting legs are oppositely arranged along the second direction and are both located on the mounting bottom plate 1, and a group of first through holes 221 and a group of second through holes 222 are arranged on one supporting leg. The number of the first through holes 221 is not less than the number of the first mounting holes 12, and the number of the second through holes 222 is not less than the number of the second mounting holes 14.

[0040] Optionally, the mounting bottom plate 1 is further provided with at least two groups of second mounting holes 14 oppositely arranged along the first direction, the collimator 3 is provided with a third through hole 311, and the mounting structure further comprises a second connecting piece, one second connecting piece passes through one third through hole 311 and is fixed in one second mounting hole 14. In this embodiment, each group of second mounting holes 14 comprises at least two second mounting holes 14 spaced apart along the second direction, so as to ensure the connection strength of the collimator 3 and the frame. In other embodiments, each group of second mounting holes 14 can also comprise multiple rows of second mounting holes 14 spaced apart along the first direction, and each row of second mounting holes 14 can also comprise multiple second mounting holes 14 spaced apart along the second direction. In specific implementation, the second connecting piece can be a screw, the second mounting hole 14 is a threaded hole, the screw passes through the third through hole 311 and is threadedly connected in the second mounting hole 14, so as to realize the threaded connection of the collimator 3 and the mounting bottom plate 1. In this embodiment, the number of the third through holes 311 on the collimator 3 is not less than the number of the second mounting holes 14, each second mounting hole 14 has a corresponding third through hole 311, and the number of the second connecting pieces is consistent with the number of the second mounting holes 14.

[0041] Optionally, the third through hole 311 is a waist-shaped hole extending along the first direction, that is, when the collimator 3 and the mounting bottom plate 1 are installed, the relative positions of the collimator 3 and the mounting bottom plate 1 can be finely adjusted along the length direction of the third through hole 311.

[0042] Optionally, the mounting base 1 is further provided with a second positioning hole (not shown in the figure), and the mounting structure further comprises a second positioning pin, the second positioning pin is inserted into the second positioning hole, the second positioning pin surrounds the mounting area of the collimator 3, and the collimator 3 is located in the mounting area and abuts against the second positioning pin. In the embodiment, the second positioning hole comprises at least three groups, two groups of the second positioning hole are oppositely arranged along the first direction and can be located on both sides of the collimator 3, and the remaining one group of the second positioning hole can be located at the end of the collimator 3 in the second direction, so that when the collimator 3 is located in the mounting area surrounded by the three groups of the second positioning hole, the side and the end of the collimator 3 abut against the second positioning pin, and thus it can be considered that the collimator 3 is placed in the accurate position, and the subsequent fixing step of the collimator 3 and the mounting base 1 can be performed. Only one end of the second positioning hole penetrates through, and the second positioning pin is inserted into the second positioning hole and abuts against the inner bottom wall of the second positioning hole, so as to limit the movement of the second positioning pin in the hole depth direction of the second positioning hole.

[0043] In the embodiment, the first collimating slot 15 extending along the second direction is provided through the mounting base 1, the collimator 3 comprises two lead plate assemblies 31 oppositely arranged along the first direction, and the second collimating slot extending along the second direction is formed between the two lead plate assemblies 31, and the projection of the first collimating slot 15 along the thickness direction of the mounting base 1 covers the second collimating slot, that is, the rays generated by the light source assembly 2 are irradiated to the detector after passing through the second collimating slot and the first collimating slot 15. The length along the first direction or the width along the second direction of the first collimating slot 15 is not less than the length and the width of the second collimating slot, and the second connecting piece can be arranged at any position penetrating through the third through hole 311, so as to ensure that the mounting base 1 does not interfere with the second collimating slot.

[0044] Optionally, the mounting base 1 is further provided with two groups of third mounting holes 16 oppositely arranged along the second direction, the collimator 3 further comprises a plug-in plate 32 and a second fastener, the plug-in plate 32 comprises a fixed part and a plug-in slot part, the plug-in slot part is clamped between the two lead plate assemblies 31, and the second fastener penetrates through the fixed part and is fixed in the third mounting hole 16. The collimator 3 is fixed on the mounting base 1, the third mounting hole 16 is located at the end of the collimator 3, the plug-in slot part is inserted into the second collimating slot, and the fixed part is connected with the mounting base 1, so as to ensure that the gap of the second collimating slot does not become smaller during use of the X-ray security inspection system. In specific implementation, the number of rows of the third mounting hole 16 in the first direction and the number of the third mounting hole 16 in each row in the second direction can be adjusted according to actual needs.

[0045] Optionally, the lead plate assembly 31 comprises an upper collimating plate, a lead plate and a lower collimating plate which are overlapped, and the upper collimating plate, the lead plate and the lower collimating plate are connected by the third fastener 312.

[0046] The embodiment also provides an X-ray security inspection system, comprising a frame and the mounting structure, and the mounting structure is adjustably connected with the frame through the first fastener penetrating the fixing hole 11.

[0047] The above embodiments only illustrate the basic principles and characteristics of the present application, and the present application is not limited to the above embodiments, and various changes and modifications can be made without departing from the spirit and scope of the present application. These changes and modifications all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. Mounting structure, characterized in that The utility model relates to an X-ray security inspection system, comprising: a mounting base plate (1) provided with fixing holes (11) on the mounting base plate (1), the fixing holes (11) comprising two groups of fixing holes (11) oppositely arranged along a first direction, each group of fixing holes (11) comprising at least two fixing holes (11) spaced apart along a second direction, the fixing holes (11) being waist-shaped holes extending along the first direction, the mounting base plate (1) being adjustably connected with a frame of an X-ray security inspection system through first fasteners penetrating the fixing holes (11), the first direction being perpendicular to the second direction; a collimator (3) fixed on the mounting base plate (1); a light source assembly (2) fixed on the mounting base plate (1).

2. The mounting structure according to claim 1, characterized by The mounting base plate (1) is provided with at least two groups of first mounting holes (12) oppositely arranged along the first direction, the light source assembly (2) is provided with first through holes (221), the mounting structure further comprises first connecting members, one first connecting member penetrating one first through hole (221) and being fixed in one first mounting hole (12), and the first through holes (221) are waist-shaped holes extending along the first direction.

3. The mounting structure according to claim 2, characterized by The mounting base plate (1) is further provided with at least two groups of first positioning holes (13) oppositely arranged along the first direction, the light source assembly (2) is provided with second through holes (222), the mounting structure further comprises first positioning pins, one first positioning pin penetrating one second through hole (222) and being inserted into one first positioning hole (13), and the second through holes (222) are circular holes with the same size as the first positioning holes (13).

4. The mounting structure according to claim 3, wherein The light source assembly (2) comprises a light source (21) and a light source support (22), the light source (21) being fixed on the light source support (22), and the first through holes (221) and the second through holes (222) being arranged on the light source support (22).

5. The mounting structure according to claim 1, wherein The mounting base plate (1) is further provided with at least two groups of second mounting holes (14) oppositely arranged along the first direction, the collimator (3) is provided with third through holes (311), the mounting structure further comprises second connecting members, one second connecting member penetrating one third through hole (311) and being fixed in one second mounting hole (14), and the third through holes (311) are waist-shaped holes extending along the first direction.

6. The mounting structure according to claim 5, wherein The mounting base plate (1) is further provided with second positioning holes, the mounting structure further comprises second positioning pins inserted into the second positioning holes, the second positioning pins surrounding the mounting area of the collimator (3), and the collimator (3) is located in the mounting area and abuts against the second positioning pins.

7. The mounting structure according to claim 1, wherein The first collimating slit (15) extending along the second direction is arranged through the mounting base plate (1), the collimator (3) comprises two lead plate assemblies (31) oppositely arranged along the first direction, a second collimating slit extending along the second direction is formed between the two lead plate assemblies (31), and a projection of the first collimating slit (15) along the thickness direction of the mounting base plate (1) covers the second collimating slit.

8. The mounting structure according to claim 7, wherein The mounting base plate (1) is further provided with two groups of third mounting holes (16) oppositely arranged along the second direction, the collimator (3) further comprises an insert plate (32) and a second fastener, the insert plate (32) comprises a fixed portion and an insert slit portion, the insert slit portion is clamped between the two lead plate assemblies (31), and the second fastener passes through the fixed portion and is fixed in the third mounting hole (16).

9. The mounting structure according to claim 7, wherein The lead plate assembly (31) comprises an upper collimating plate, a lead plate and a lower collimating plate which are arranged in an overlapping manner, and the upper collimating plate, the lead plate and the lower collimating plate are connected by a third fastener (312).

10. An X-ray security inspection system characterized by The installation structure comprises a frame and the mounting structure according to any one of claims 1 to 9, and the mounting structure is adjustably connected to the frame by the first fastener penetrating the fixed hole (11).

Images