Fixed back scattering vehicle security check device

Abstract

The utility model relates to a fixed back scattering vehicle security inspection device, which comprises a shell, a bearing frame and a driving motor are arranged in the shell, the bearing frame is rotatably provided with two roll shafts, the two roll shafts are arranged along the transverse direction and distributed along the longitudinal direction, the two roll shafts jointly bear a metal turntable, the edge of the end part of the metal turntable is connected with a plurality of bolts, and the driving motor is connected with the metal turntable. The head end of each bolt is provided with two clamping ring gaskets in a sleeved mode, the head end of each bolt is provided with a plurality of collimation arc-shaped strips in a sleeved mode, a circle is defined by the collimation arc-shaped strips jointly, the collimation arc-shaped strips are clamped by the two clamping ring gaskets jointly, a penetrating seam is reserved between every two adjacent collimation arc-shaped strips, and each bolt is provided with a reinforcing ring and a limiting sleeve in a sleeved mode. According to the utility model, X-rays are collimated in a better way, so that the X-ray scanning device has better scanning performance.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle security inspection, in particular to a fixed backscatter vehicle security inspection device. Background Art

[0002] The backscatter vehicle security inspection device is equipped with a radiation source device and a metal turntable. The high-speed electron beam emitted by the radiation source device hits the surface of the metal turntable, generating X-rays, which can be used to scan passing vehicles. The backscatter vehicle security inspection device is equipped with a collimating component, which is used to adjust and filter the X-rays, allowing the X-rays to scan the car at a suitable scanning angle and scanning frequency, thereby ensuring scanning accuracy while taking safety into account.

[0003] The backscatter vehicle security inspection device in the prior art is limited by its collimating component and cannot generate X-rays with appropriate scanning angles and scanning frequencies. Utility Model Content

[0004] The utility model aims to provide a fixed backscatter vehicle security inspection device, which collimates X-rays in a better way, thereby having better scanning performance.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A fixed backscatter vehicle security inspection device comprises a shell, a supporting frame and a driving motor are arranged in the shell, the supporting frame is rotatably provided with two rollers, the two rollers are arranged in the transverse direction, and the two rollers are distributed in the longitudinal direction, the two rollers jointly support a metal turntable, the end edge of the metal turntable is connected with a plurality of bolts, the head end sleeve of each bolt is provided with two clamping ring gaskets, the head end sleeve of each bolt is provided with a plurality of collimating arc strips, the plurality of collimating arc strips together form a circle, the two clamping ring gaskets jointly clamp the plurality of collimating arc strips, a gap is left between two adjacent collimating arc strips, each bolt sleeve is provided with a reinforcing ring and a limiting sleeve, the reinforcing ring and the limiting sleeve are alternately arranged along the axial direction, the driving motor is used to drive the metal turntable to rotate, a radiation source device is arranged in the shell, the radiation source device is arranged in the circle surrounded by the collimating arc strips, an opening is arranged on the front side of the shell, a receiving iron plate is arranged on one side of the opening, and the receiving iron plate is arranged obliquely.

[0007] Specifically, the number of the collimating arc strips is four, and the circumferential width d of the penetration slot is 3 mm-7 mm.

[0008] Specifically, the axial width of the collimating arc strip is 20 mm-40 mm.

[0009] Specifically, the radial thickness of the collimating arc strip is 40 mm-60 mm.

[0010] Specifically, each bolt sleeve is provided with two reinforcement rings and three limit sleeves, the reinforcement rings and the limit sleeves are arranged alternately, and the circumferential surfaces of the reinforcement rings, the clamping ring gaskets and the collimating arc-shaped strip clamps are all in contact with the circumferential surface of the roller shaft.

[0011] Specifically, a frame is fixed inside the shell, and the ray source device is fixed to the frame.

[0012] Specifically, a roller is fixedly connected to the bottom of the frame.

[0013] Specifically, the frame is fixedly connected with a driving motor and a reducer, the motor shaft of the driving motor is connected with the input shaft of the reducer, and the output shaft of the reducer is fixedly connected with the metal turntable.

[0014] Specifically, a shutter is provided on one lateral side of the shell.

[0015] Specifically, an indicator light is fixedly connected to the top wall of the shell.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] The number of collimating arc strips is four, that is, there are four transmission slits, and the corresponding central angle β of two adjacent transmission slits is 90°. The circumferential width d of the transmission slit is 3mm-7mm. The number of transmission slits and the rotation rate of the metal turntable jointly determine the scanning frequency of the X-rays, and the above setting can obtain a better scanning frequency. After the X-rays are scanned toward the vehicle in front, they are reflected backwards to the receiving iron plate to obtain a scanning signal. The utility model collimates the X-rays in a more optimal way, thereby having better scanning performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 It is a front view of a fixed backscatter vehicle security inspection device;

[0020] Figure 2 It is a partial view of a fixed backscatter vehicle security inspection device;

[0021] Figure 3 It is a partial view of a fixed backscatter vehicle security inspection device;

[0022] Figure 4 is a view of a metal turntable and related structures;

[0023] Figure 5A side view of a metal turntable and related structures.

[0024] In the figure:

[0025] 11. Support frame; 12. Roller; 13. Receiving iron plate; 14. Shutter; 15. Indicator light; 16. Frame;

[0026] 21. Driving motor; 22. Speed ​​reducer;

[0027] 31. Metal turntable; 32. Bolts; 33. Clamping ring gasket; 34. Collimating arc strip; 341. Transmission gap; 35. Reinforcement ring; 36. Limiting sleeve; 37. Radiation source device. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0029] See Figures 1 to 5 A fixed backscatter vehicle security inspection device includes a shell, a support frame 11 and a drive motor 21 are arranged in the shell, and the support frame 11 is rotatably provided with two rollers 12, the two rollers 12 are arranged in the transverse direction, and the two rollers 12 are distributed in the longitudinal direction.

[0030] The two rollers 12 support a metal turntable 31. The end edge of the metal turntable 31 is connected with a plurality of bolts 32. The head end of each bolt 32 is sleeved with two clamping ring gaskets 33. The head end of each bolt 32 is sleeved with a plurality of collimating arc strips 34. The plurality of collimating arc strips 34 are surrounded by a circle. The two clamping ring gaskets 33 clamp the plurality of collimating arc strips 34 together, and a gap 341 is left between two adjacent collimating arc strips 34.

[0031] Each bolt 32 is provided with a reinforcing ring 35 and a limiting sleeve 36, and the reinforcing ring 35 and the limiting sleeve 36 are alternately arranged along the axial direction. The driving motor 21 is used to drive the metal turntable 31 to rotate. A ray source device 37 is arranged in the shell, and the ray source device 37 is arranged in a circle surrounded by the collimating arc strips 34. An opening is arranged on the front side of the shell, and a receiving iron plate 13 is arranged on one side of the opening, and the receiving iron plate 13 is arranged obliquely.

[0032] Specifically, the number of the collimating arc strips 34 is four, and the circumferential width d of the transparent slit 341 is 3 mm-7 mm.

[0033] Specifically, the axial width of the collimating arc strip 34 is 20 mm-40 mm.

[0034] Specifically, the radial thickness of the collimating arc strip 34 is 40 mm-60 mm.

[0035] Specifically, each bolt 32 is provided with two reinforcement rings 35 and three limit sleeves 36 , and the reinforcement rings 35 and the limit sleeves 36 are alternately arranged. The circumferential surfaces of the reinforcement rings 35 , the clamping ring gaskets 33 and the collimating arc strips 34 are all in contact with the circumferential surface of the roller shaft 12 .

[0036] Specifically, a frame 16 is fixedly connected inside the shell, and the radiation source device 37 is fixedly connected to the frame 16 .

[0037] Specifically, a roller is fixedly connected to the bottom of the frame 16 .

[0038] Specifically, the frame 16 is fixedly connected with a driving motor 21 and a reducer 22 . The motor shaft of the driving motor 21 is connected to the input shaft of the reducer 22 , and the output shaft of the reducer 22 is fixedly connected to the metal turntable 31 .

[0039] Specifically, a shutter 14 is provided on one lateral side of the housing.

[0040] Specifically, an indicator light 15 is fixedly connected to the top wall of the housing.

[0041] The working principle of the fixed backscatter vehicle security inspection device of the utility model is as follows:

[0042] The front side of the shell is provided with an opening, and a receiving iron plate 13 is provided on one side of the opening, and the receiving iron plate 13 is arranged obliquely. The high-speed electrons emitted by the ray source device 37 are emitted to the high-speed rotating metal turntable 31, thereby generating X-rays. The X-rays are emitted in the axial width range (20mm-40mm) of the collimated arc strip 34, and are emitted in various circumferential angle directions of the circle surrounded by the collimated arc strip 34. Among them, the X-rays emitted through the penetration slit 341 and emitted to the front side are used to scan the vehicle.

[0043] There are four collimating arc strips 34, i.e., four transmission slits 341, and the corresponding central angle β of two adjacent transmission slits 341 is 90°, which determines the scanning angle. The circumferential width d of the transmission slit 341 is 3mm-7mm. The number of transmission slits 341 and the rotation rate of the metal turntable 31 jointly determine the scanning frequency of the X-ray, and the above setting can obtain a better scanning angle and scanning frequency. After the X-ray is scanned toward the vehicle in front, it is reflected backward to the receiving iron plate 13 to obtain a scanning signal.

[0044] The metal turntable 31 rotates at a high speed, so that the high-temperature points of the metal turntable 31 irradiated by high-speed electrons continuously rotate with the metal turntable 31, thereby cooling down.

[0045] The clamping ring gasket 33 , the reinforcing ring 35 , the limiting sleeve 36 and the bolt 32 can reliably assemble the metal turntable 31 and the plurality of collimating arc-shaped strips 34 together, while leaving an appropriate axial distance between the collimating arc-shaped strips 34 and the metal turntable 31 .

[0046] The above are only preferred embodiments of the present invention, and are not intended to limit the present invention in any form. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any technical personnel in this field can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A fixed backscatter vehicle security inspection device, characterized in that: The invention comprises a shell, wherein a support frame (11) and a driving motor (21) are arranged in the shell, the support frame (11) is rotatably provided with two rollers (12), the two rollers (12) are arranged in the transverse direction, the two rollers (12) are distributed in the longitudinal direction, the two rollers (12) jointly support a metal turntable (31), the end edge of the metal turntable (31) is connected with a plurality of bolts (32), the head end of each bolt (32) is sleeved with two clamping ring gaskets (33), the head end of each bolt (32) is sleeved with a plurality of collimating arc strips (34), the plurality of collimating arc strips (34) jointly form a circle, the two clamping ring gaskets (33) clamp a plurality of collimating arc-shaped strips (34) together, a gap (341) is left between two adjacent collimating arc-shaped strips (34), each bolt (32) is provided with a reinforcing ring (35) and a limiting sleeve (36), the reinforcing ring (35) and the limiting sleeve (36) are alternately arranged along the axial direction, the driving motor (21) is used to drive the metal turntable (31) to rotate, a radiation source device (37) is arranged in the shell, and the radiation source device (37) is arranged in a circle surrounded by the collimating arc-shaped strips (34), an opening is arranged on the front side of the shell, and a receiving iron plate (13) is arranged on one side of the opening, and the receiving iron plate (13) is arranged obliquely.

2. The fixed backscatter vehicle security inspection device according to claim 1 is characterized in that: The number of the collimating arc strips (34) is four, and the circumferential width d of the penetration slot (341) is 3 mm to 7 mm.

3. The fixed backscatter vehicle security inspection device according to claim 1 is characterized in that: The axial width of the collimating arc strip (34) is 20 mm to 40 mm.

4. The fixed backscatter vehicle security inspection device according to claim 1 is characterized in that: The radial thickness of the collimating arc strip (34) is 40 mm to 60 mm.

5. The fixed backscatter vehicle security inspection device according to claim 1 is characterized in that: Each bolt (32) is provided with two reinforcing rings (35) and three limiting sleeves (36), the reinforcing rings (35) and the limiting sleeves (36) are arranged alternately, and the circumferential surfaces of the reinforcing rings (35), the clamping ring gaskets (33) and the collimating arc strips (34) are all in contact with the circumferential surface of the roller shaft (12).

6. The fixed backscatter vehicle security inspection device according to claim 1 is characterized in that: A frame (16) is fixedly connected inside the shell, and a ray source device (37) is fixedly connected to the frame (16).

7. The fixed backscatter vehicle security inspection device according to claim 1 is characterized in that: A roller is fixedly connected to the bottom of the frame (16).

8. The fixed backscatter vehicle security inspection device according to claim 6 is characterized in that: The frame (16) is fixedly connected with a driving motor (21) and a reducer (22); the motor shaft of the driving motor (21) is connected with the input shaft of the reducer (22); and the output shaft of the reducer (22) is fixedly connected with the metal turntable (31).

9. The fixed backscatter vehicle security inspection device according to claim 1, characterized in that: A shutter (14) is provided on one lateral side of the housing.

10. The fixed backscatter vehicle security inspection device according to claim 1, characterized in that: An indicator light (15) is fixedly connected to the top wall of the shell.

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