A radiation protection lead room for vehicle-mounted low-energy X-ray industrial CT

Abstract

A radiation protection lead room for low-energy X-ray industrial CT on a vehicle includes a box body, a control room, a detection room and an electrical equipment room are arranged in sequence along the length direction of the box body, the inner surfaces of the control room, the detection room and the electrical equipment room are respectively provided with lead plates, and an X-ray machine for detection is installed in the detection room; an opening is provided at the top of the box body above the detection room, and a movable top plate is movably installed at the opening, and the two ends of the movable top plate facing the control room and the electrical equipment room are respectively connected to the box body opening through a waterproof structure. The box body above the detection room can be opened when necessary without affecting the radiation protection capability of the detection room, and the opening of the box body also has a waterproof function.

Description

Technical Field

[0001] The invention relates to the technical field of vehicle-mounted industrial CT boxes, and in particular to a radiation protection lead room for a vehicle-mounted low-energy X-ray industrial CT. Background Art

[0002] The vehicle-mounted low-energy X-ray industrial CT system breaks through the drawback of the traditional fixed low-energy X-ray CT system imaging equipment that cannot be maneuvered, and realizes the "front detection" of the workpiece. The system can accurately locate and quantitatively measure the internal defects of the workpiece, and provide accurate "health status" and "fault analysis" data for the workpiece. The vehicle-mounted mobility of the industrial CT system requires that the entire system be highly integrated and miniaturized, and that the cabin (or box) carrying the system has a certain X-ray radiation protection capability.

[0003] The prior art has a Chinese patent "Box-type CT Inspection Device" with publication number CN109009192A, which specifically discloses a box-type mobile room divided into a scanning cabin and an operating cabin, and a CT inspection mechanism arranged in the scanning cabin. The scanning cabin is provided with an outer lead protective layer, but the top of the box-type CT inspection device cannot be opened or closed as needed. When it is necessary to inspect the problem generated at the top of the box CT device, the top structure in the box needs to be removed, so the operation is complicated and the use is not flexible enough. Summary of the invention

[0004] In view of the deficiencies in the prior art, the present invention provides a radiation protection lead room for a vehicle-mounted low-energy X-ray industrial CT. The top of the box can be opened when necessary to inspect the top of the detection room without affecting the radiation protection capability of the detection room and is also waterproof.

[0005] To achieve the above object, the present invention adopts the following technical solutions:

[0006] A radiation protection lead room for a vehicle-mounted low-energy X-ray industrial CT comprises a box body, wherein a control room, a detection room and an electrical equipment room are sequentially arranged inside the box body along its length direction, wherein the inner surfaces of the control room, the detection room and the electrical equipment room are respectively provided with lead plates, and an X-ray machine for detection is installed in the detection room; an opening is provided at the top of the box body above the detection room, and a movable top plate is movably installed at the opening, and the movable top plate is connected to the box body opening at both ends facing the control room and the electrical equipment room through waterproof structures.

[0007] Furthermore, the waterproof structure includes a rectangular tube, a first square tube and a baffle, the rectangular tube is horizontally placed at the connection between the detection room and the control room or the electrical equipment room, the two ends of the rectangular tube are respectively fixed to the upper ends of the inner walls of the first side plates close to the two sides of the detection room, one end of the rectangular tube facing the control room or the electrical equipment room overlaps the edge of the fixed top plate, and the other end extends to the bottom of the movable top plate; the first square tube is fixed at the top of the rectangular tube and extends in the same direction as the rectangular tube, and the edge of one end of the movable top plate facing the control room or the electrical equipment room overlaps the top surface of the first square tube; the baffle is parallel to the rectangular tube, the lower part of the baffle is fixed on the side of the rectangular tube facing the movable top plate and its upper part is located above the rectangular tube.

[0008] Furthermore, the baffle includes a vertical end and a horizontal end formed by bending its upper portion in a horizontal direction, wherein the vertical end is welded to the side wall of the rectangular tube facing the movable top plate, and the horizontal end extends horizontally toward the first square tube.

[0009] Furthermore, the two ends of the movable top plate facing the two sides of the box body are respectively connected to the top of the side of the box body by bolts or one end is hinged and the other end is connected by bolts.

[0010] Furthermore, the detection chamber includes a second top plate and a second side plate fixedly connected below the second top plate, and the bottom of the second side plate is fixedly connected to the inner surface of the bottom of the box body; the second side plate includes a lead plate, a multilayer plate, a channel steel and an aluminum-plastic plate arranged in sequence from inside the detection chamber to outside the detection chamber.

[0011] Furthermore, a lead door for connecting or closing the detection room and the electrical equipment room is provided on the second side plate between the detection room and the electrical equipment room, and the lead plate thickness on the second side plate surface on the same side of the lead door in the detection room is smaller than the lead plate thickness on the opposite side of the lead door.

[0012] Furthermore, the top and bottom of the jaw are respectively connected to the second side plate through linear bearings.

[0013] Furthermore, a hoist for lifting the test object is installed in the test room.

[0014] Furthermore, the detection room is also provided with an explosion-proof lighting lamp and a monitoring camera fixed above the second side panel.

[0015] Furthermore, a heat-insulating layer is provided on the inner surface of the box.

[0016] Compared with the prior art, the present invention has the following beneficial effects: first, the present invention divides the box into three parts: a control room, a detection room and an electrical equipment room. The detection equipment in the detection room is controlled by the proximal end of the control room and radiation-proof lead plates are provided in each room, thereby meeting the requirements of system integration, miniaturization and mobility; an opening is provided at the top of the box above the detection room, and a movable top plate is provided at the opening, so that the top of the detection room can be opened as a whole when necessary to carry out maintenance of the top of the detection room or maintenance of the lines on the top of the detection room, and opening the top of the box does not affect the radiation protection capability of the entire box, thereby ensuring the safety of the staff when the box is opened; since the protective lead room in the present invention is used for outdoor detection activities, it is very likely to leak when the movable top plate is movably connected to the box opening, so waterproof structures are respectively provided at both ends of the movable top plate facing the control room and the electrical equipment room and connected to the box opening to ensure that the structure of the movable top plate will not leak. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 Axonometric diagram of the present invention Figure 1 .

[0018] Figure 2 Axonometric diagram of the present invention Figure 2 .

[0019] Figure 3 It is a longitudinal sectional view of the present invention.

[0020] Figure 4 It is a top view of the present invention.

[0021] Figure 5 for Figure 4 AA section view.

[0022] Figure 6 It is a transverse cross-sectional view of the detection chamber in the present invention.

[0023] Figure 7 It is a structural schematic diagram of the waterproof structure in the present invention.

[0024] Figure 8 for Figure 6 BB cross-sectional view.

[0025] Fig. 9 for Figure 6 CC cross-sectional view.

[0026] In the figure: box 1, electrical equipment room 2, inspection room 3, X-ray machine 3-1, lead door 3-2, lead plate 3-3, channel steel 3-4, multi-layer aluminum-plastic plate 3-5, cold-rolled plate 3-6, control room 4, movable top plate 5, lifting hole 6, fixed top plate 7, first square tube 8, second square tube 9, baffle 10, rectangular tube 11, bottom plate frame 14, linear bearing 15, hoist 16, emergency stop button 17, explosion-proof lighting 18, monitoring camera 19, monorail crane mounting base 20, air duct 21, wire trough 22. DETAILED DESCRIPTION

[0027] The present invention is further described in detail below with reference to the accompanying drawings, and specific implementation methods are given.

[0028] like Figure 1-9 As shown, a radiation protection lead room for vehicle-mounted low-energy X-ray industrial CT includes a rectangular box 1 formed by four first side panels, a first top plate on the top of the first side panel, and a bottom plate frame 14 at the bottom of the first side panel. The box 1 is provided with three parts, namely, an electrical equipment room 2, a detection room 3, and a control room 4, which are arranged in sequence along the length direction of the box 1. The inner surfaces of the electrical equipment room 2, the detection room 3, and the control room 4 are respectively installed with radiation-proof lead plates 3-3. A control system is provided in the control room 4, and electrical equipment for detection is installed in the electrical equipment room 2. The detection room 3 located in the middle is equipped with an X-ray machine 3-1 and an array detector, which are core components for detection. The control system and the electrical equipment are electrically connected to the core detection components in the detection room 3 by wire or wireless means. This lead room can be transported to a predetermined location by road or rail and then used directly (without leaving the vehicle); four corner points on the top of the box body 1 are respectively provided with hoisting holes 6 for hoisting, and the box body 1 can also be connected to the hoisting holes 6 on the top of the box body 1 by fixed or mobile lifting equipment so as to be hoisted to the ground and used directly.

[0029] like Figure 1-5 , Figure 7As shown, the first top plate on the top of the box body 1 includes a movable top plate 5 and two fixed top plates 7 made of corrugated board. The two fixed top plates 7 are respectively located at the top of the control room 4 and the electrical equipment room 2 and their edges are respectively fixed to the top of the side plate of the box body 1. An opening is formed between the two fixed top plates 7 and the opening is located at the top of the detection room 3. The movable top plate 5 is movably installed at the opening on the top of the detection room 3. When necessary, the top of the box body 1 above the detection room 3 can be opened. Without affecting the radiation protection capability of the entire box body 1, the overall sealing of the box body 1 can also be ensured. The two ends of the movable top plate 5 facing the side plates of the box body 1 on both sides of the detection room 3 are respectively movably connected to the top of the side plates of the box body 1. Preferably, the two ends of the movable top plate 5 facing the two sides of the box body 1 are respectively bolted to the top of the side of the box body 1 or one end is hinged and the other end is bolted. The two ends of the movable top plate 5 facing the control room 4 and the electrical equipment room 2 are overlapped with the edges of the fixed top plate 7 on the top of the control room 4 and the electrical equipment room 2 through waterproof structures. The waterproof structure includes a rectangular tube 11, a first square tube 8 and an L-shaped baffle 10. The rectangular tube 11 and the first square tube 8 are both hollow tubular structures. The rectangular tube 11 is horizontally placed at the connection between the detection room 3 and the control room 4 or the electrical equipment room 2. The two ends of the rectangular tube 11 are respectively fixed to the upper ends of the inner walls of the first side plates close to the two sides of the detection room 3. The side of the rectangular tube 11 facing the control room 4 or the electrical equipment room 2 overlaps the edge of the fixed top plate 7, and the other side extends to the bottom of the movable top plate 5; the first square tube 8 is fixed on the top of the rectangular tube 11 and extends in the same direction as the rectangular tube 11, and the edge of one end of the movable top plate 5 facing the control room 4 or the electrical equipment room 2 overlaps the top surface of the first square tube 8, and the lower part of the baffle 10 is fixed on the side of the rectangular tube 11 facing the movable top plate 5 and its upper part is located above the rectangular tube 11. The baffle 10 includes a vertical end and a horizontal end formed by bending the upper portion thereof in a horizontal direction, wherein the vertical end is welded to the side wall of the rectangular tube 11 on the side facing the movable top plate 5, and the horizontal end extends horizontally toward the first square tube 8. Since the movable top plate 5 is overlapped on the top surface of the first square tube 8, water easily enters the connection between the movable top plate 5 and the first square tube 8, and the baffle 10 is used to ensure that the water entering from the connection between the movable top plate 5 and the first square tube 8 is blocked by the baffle 10 to avoid entering the interior of the box body 1, and the baffle 10 can also guide the entering water out from its two ends.

[0030] like Figure 6-9As shown, the detection room 3 is a rectangular shell formed by the second top plate and four second side plates below it, wherein the detection room 3 and the control room 4 share a second side plate, and the detection room 3 and the electrical equipment room 2 share a second side plate; the bottoms of the detection room 3, the control room 4 and the electrical equipment room 2 are respectively fixed to the bottom plate frame 14 at the bottom of the box body 1. The second top plate is installed below the movable top plate 5 of the box body 1, so opening the movable top plate 5 of the box body 1 does not affect the radiation protection capability of the entire detection room 3, and can also ensure the overall sealing of each cabin in the box body 1. The second top plate includes a cold-rolled plate 3-6, a channel steel 3-4, a 7mm lead plate 3-3 and a multilayer aluminum-plastic plate 3-5 which are connected in sequence from top to bottom and are parallel to each other. Two second square tubes 9 are fixedly connected between the cold-rolled plate 3-6 and the lead plate 3-3, which are perpendicular to the first side plates of the box body on both sides of the detection room and are located at the ends of the cold-rolled plate 3-6 facing the control room 4 and the electrical equipment room 2. The two second square tubes 9 here are used to seal the ends of the cold-rolled plate 3-6 and the lead plate 3-3 which are parallel to each other. Figure 6 As shown, the connection between the two second side panels of the detection chamber 3 is also fixed with a second square tube 9 extending along the connection between the second side panels. Since the second side panels are plate-shaped structures, the connection between the two second side panels has an L-shaped notch, and the second square tube 9 is arranged at the notch not only for connecting the two second side panels, but also for improving the strength of the connection between the second side panels. The second side panels include multi-layer aluminum-plastic panels 3-5, lead panels 3-3, channel steels 3-4 and lead panels 3-3, which are sequentially connected and parallel to each other from the inside of the detection chamber 3 to the outside of the detection chamber 3. The top of the second side panel is just located in the middle of the second top panel. Below the second square tube 9, the setting of the double-layer lead plate can better ensure that the radiation of the detection room will not spread through the second side plate of the detection room to the control room 4 or the electrical equipment room 2; the bottom plate frame 14 of the box body 1 includes lead plates 3-3, steel plates, embedded plates, I-beams and patterned aluminum plates arranged in sequence from the inside to the outside, wherein the embedded plates are used for the installation and fixation of the foundations of other equipment in the detection room, the I-beams are used to support the steel plates above the patterned aluminum plates, and an air duct 21 for ventilation and cooling and a wire trough 22 for wiring are provided between the steel plates and the patterned aluminum plates in the bottom plate frame 14.

[0031] like Figure 5-6 , Figure 8As shown, a lead door 3-2 is provided on the second side plate between the detection room 3 and the electrical equipment room 2 for connecting or closing the detection room 3 and the electrical equipment room 2, and the detection room 3 is not connected to the control room 4. The X-ray source emitted by the X-ray machine 3-1 in the detection room 3 is projected onto the inner wall of the second side plate adjacent to one side of the lead door 3-2, and the energy of the X-ray source 3-1 is not greater than 450KV. Further, the thickness of the lead plate 3-3 on the surface of the second side plate on the same side of the lead door 3-2 in the detection room 3 is preferably 6mm, the thickness of the lead plate 3-3 on the second side plate on the opposite side of the lead door 3-2 is 10mm, the thickness of the lead plate 3-3 on the second side plate in the projection direction of the X-ray source 3-1 is 16mm, and the thickness of the lead plate 3-3 on the second side plate near the emission end of the X-ray source 3-1 is 3mm. The top and bottom of the lead door 3-2 are respectively connected to the second side plate through linear bearings 15, and the linear bearings 15 are used for the opening and closing of the lead door 3-2.

[0032] like Figure 3 , Figure 5 , Figure 8 and Fig. 9 As shown, a hoist 16 for lifting the test object is installed in the test room 3, and the top of the hoist 16 is connected to a monorail crane, and the two ends of the monorail crane are respectively fixed on the monorail crane mounting base 20 on the second side plate surface on the same side and the opposite side of the lead door 3-2 in the test room 3. An explosion-proof lighting lamp 18 is provided above the second side plate on the same side of the lead door 3-2 in the test room 3, and a monitoring camera 19 is provided on the second side plate surface on the same side of the lead door 3-2. An emergency stop button 17 located next to the lead door 3-2 is also provided on the second side plate surface below the monitoring camera 19.

[0033] The inner surface of the box body 1 is also provided with a heat-insulating layer, and the heat-insulating layer is made of rock wool.

[0034] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solution of the present invention can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the present invention, which should be included in the scope of the claims of the present invention.

Claims

1. A radiation protection lead room for vehicle-mounted low-energy X-ray industrial CT, comprising a box body, characterized in that: The box body is provided with a control room, a test room and an electrical equipment room in sequence along its length direction. The inner surfaces of the control room, the test room and the electrical equipment room are provided with lead plates respectively. An X-ray machine for testing is installed in the test room. An opening is provided at the top of the box body above the test room and a movable top plate is movably installed at the opening. The two ends of the movable top plate facing the control room and the electrical equipment room are connected to the box body opening through waterproof structures respectively. The waterproof structure comprises a rectangular tube, a first square tube and a baffle. The rectangular tube is horizontally placed at the connection between the detection room and the control room or the electrical equipment room. The two ends of the rectangular tube are respectively fixed to the upper ends of the inner walls of the first side plates close to the two sides of the detection room. One end of the rectangular tube facing the control room or the electrical equipment room overlaps the edge of the fixed top plate, and the other end extends to the bottom of the movable top plate. The first square tube is fixed on the top of the rectangular tube and extends in the same direction as the rectangular tube. The edge of one end of the movable top plate facing the control room or the electrical equipment room overlaps the top surface of the first square tube. The baffle is parallel to the rectangular tube. The lower part of the baffle is fixed on the side of the rectangular tube facing the movable top plate and the upper part is located above the rectangular tube. The baffle includes a vertical end and a horizontal end formed by bending its upper portion in a horizontal direction, wherein the vertical end is welded to the side wall of the rectangular tube facing the movable top plate, and the horizontal end extends horizontally toward the first square tube; The two ends of the movable top plate facing the two sides of the box body are respectively connected with the top of the side surface of the box body by bolts or one end is hinged and the other end is connected by bolts.

2. The radiation protection lead room for vehicle-mounted low-energy X-ray industrial CT according to claim 1 is characterized by: The detection room includes a second top plate and a second side plate fixedly connected below the second top plate, and the bottom of the second side plate is fixedly connected to the inner surface of the bottom of the box body; the second side plate includes a multi-layer aluminum-plastic plate, a lead plate, a channel steel and a lead plate arranged in sequence from inside the detection room to outside the detection room.

3. The radiation protection lead room for vehicle-mounted low-energy X-ray industrial CT according to claim 2 is characterized by: A lead door for connecting or closing the detection room and the electrical equipment room is provided on the second side plate between the detection room and the electrical equipment room, and the lead plate thickness on the surface of the second side plate on the same side of the lead door in the detection room is smaller than the lead plate thickness on the opposite side of the lead door.

4. The radiation protection lead room for vehicle-mounted low-energy X-ray industrial CT according to claim 3 is characterized by: The top and bottom of the jaw are connected to the second side plate via linear bearings respectively.

5. The radiation protection lead room for vehicle-mounted low-energy X-ray industrial CT according to claim 1 is characterized in that: A hoist for lifting the test object is installed in the testing room.

6. The radiation protection lead room for vehicle-mounted low-energy X-ray industrial CT according to claim 1 is characterized by: The testing room is also provided with an explosion-proof lighting lamp and a monitoring camera fixed above the second side panel.

7. The radiation protection lead room for vehicle-mounted low-energy X-ray industrial CT according to claim 1 is characterized by: The inner surface of the box is also provided with a heat-insulating layer.

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