Container detection device and container detection system

Abstract

The present application discloses a container detection device, which includes a lower cylinder, an upper cylinder arranged above and below the lower cylinder, a rotatable platform, a swingable swing arm connected to the upper cylinder at one end, a swing drive member arranged on the upper cylinder and connected to the swing arm, a telescopic drive member arranged on the swing arm, and a telescopic arm slidably connected to the swing arm. The platform is located inside the upper cylinder and connected to the inner wall of the upper cylinder; the telescopic arm is connected to the telescopic drive member and is provided with a detection component for detecting the internal conditions of the container; the telescopic arm is connected to the telescopic drive member and is provided with a detection component for detecting the internal conditions of the container. The swing drive member is used to drive the swing arm to swing in an arc with the upper cylinder as a fulcrum, the telescopic drive member is used to drive the telescopic arm to slide along the swing arm to drive the detection component to extend or retract, and the telescopic drive member drives the detection component to extend toward the container on the lane to detect the container. The present application also provides a container detection system.

Description

Technical Field

[0001] The present application relates to container detection equipment, and more specifically, to a container detection device and a container detection system. Background Art

[0002] With the increasing import and export trade, the use of containerized containers is becoming more widespread. However, due to the large interior space of containers, they are prone to crimes such as smuggling and contraband. Consequently, relevant authorities have tightened control over container operations. Containers carrying cargo are referred to as "laden containers." In import and export trade, each cargo must be individually reported and inspected before it can be cleared. Containers without cargo are referred to as "empty containers." Simply confirming whether cargo is needed is sufficient. Some criminals have deceived customs by declaring laden containers or containers carrying only a small amount of cargo as empty.

[0003] Among existing container inspection methods, X-ray penetration is used for unpacking inspection of the container. This method has high equipment costs and requires high-power X-rays to penetrate the container steel plates, which is very harmful to the human body. The driver is generally required to get off the vehicle to inspect, which is not conducive to improving traffic efficiency. The manual inspection method requires more manpower and is not conducive to improving traffic efficiency. In addition, sometimes the vehicle carrying the container fails to park in the appropriate position with particular precision during inspection. In this case, some existing inspection devices cannot cover the vehicle's parking position, making it impossible to successfully and comprehensively inspect the container. Summary of the Invention

[0004] In view of the existing technology, the technical problem solved by the present application is to provide a container detection device and a container detection system that can automatically detect containers and vehicles that can adapt to parking deviations on lanes.

[0005] To solve the above technical problems, the present application provides a container detection device, comprising:

[0006] A lower cylinder and an upper cylinder arranged above and below the lower cylinder,

[0007] a rotatable platform, the platform being located inside the upper cylinder and connected to the inner wall of the upper cylinder, and the upper cylinder rotating with the platform;

[0008] a swingable swing arm connected to the upper cylinder at one end and a swing driving member provided on the upper cylinder and connected to the swing arm,

[0009] a telescopic drive member provided on the swing arm and a telescopic arm slidably connected to the swing arm, the telescopic arm being connected to the telescopic drive member and provided with a detection component for detecting the internal condition of the container; and

[0010] The swing driving member is used to drive the swing arm to swing in an arc shape with the upper tube as a fulcrum, and the telescopic driving member is used to drive the telescopic arm to slide along the swing arm to drive the detection component to extend or retract.

[0011] In one possible implementation, the swing drive component includes a first motor and at least one electric push rod arranged in the upper cylinder, one end of each electric push rod is connected to the first motor and the other end is connected to the swing arm, and the first motor is used to drive the electric push rod to move to drive the swing arm to swing in an arc with the upper cylinder as the fulcrum.

[0012] In one possible implementation, the container detection device also includes a mechanical unlocking mechanism arranged in the upper cylinder, the mechanical unlocking mechanism includes a driving wheel, a plurality of driven wheels, a conveyor belt connecting the driving wheel and each of the driven wheels, and a mechanical knob rotatably connected to the driving wheel, one driven wheel is rotatably connected to one electric push rod; the mechanical knob is rotated to drive the driving wheel to rotate, thereby driving each of the driven wheels to rotate, and each driven wheel drives the electric push rod to move to drive the swing arm to swing.

[0013] In a possible implementation, a receiving slot for accommodating the swing arm, the telescopic arm and the detection assembly is provided on the upper cylinder, and when the swing drive member drives the swing arm to swing out in an arc to detect the container, the swing arm moves away from the receiving slot.

[0014] In one possible implementation, the telescopic drive component includes a second motor arranged on the swing arm, a screw rod transmission connected to the second motor, and two slide rails located on the swing arm and arranged on both sides of the screw rod; the telescopic arm is connected to the screw rod and slidingly connected to the two slide rails, and the second motor is used to drive the screw rod to rotate to drive the telescopic arm to slide back and forth along the two slide rails. During the reciprocating sliding process, the telescopic arm approaches or moves away from the end of the swing arm connected to the upper cylinder.

[0015] In a possible implementation, a hook is further provided on the swing arm, and the hook is located between the telescopic arm and the connection between the swing arm and the upper cylinder. When the telescopic drive member is used to drive the telescopic arm to retract, the hook is used to hook the telescopic arm to prevent the telescopic arm from sliding.

[0016] In one possible implementation, the detection component includes a shell, at least one camera arranged on the shell, and a laser scanner located in the shell. The camera of the detection component is used to monitor the internal conditions of the container to be inspected and to record and photograph the interior of the container. The laser scanner is used to perform laser three-dimensional scanning of the internal conditions of the container to be inspected.

[0017] In a possible implementation, the detection component further includes a third motor disposed inside the housing, and the third motor is used to drive the laser scanner to rotate.

[0018] In a possible implementation, the detection component further includes at least one first sensor disposed on the housing, and the first sensor is used to detect the distance between the container to be detected and the detection component.

[0019] In one possible implementation, the container detection device also includes a support column and a rotating motor located in the lower cylinder, one end of the support column passes through the platform and is fixedly connected to the lower cylinder, and the other end is connected to the end of the upper cylinder away from the lower cylinder through a bearing, and the rotating motor is used to drive the platform to rotate around the support column to drive the upper cylinder to rotate.

[0020] In one possible implementation, the container detection device further includes a limit assembly for limiting the platform's rotation range; the limit assembly includes two photoelectric switches located within the upper cylinder and spaced apart on the support column, and two photoelectric shielding plates located on the platform and on either side of the support column; the two photoelectric switches rotate with the platform, and one of the photoelectric shielding plates is configured to reflect a light beam emitted by one of the photoelectric switches. (Mechanical Limit)

[0021] In a possible implementation, a plurality of second sensors are dispersedly disposed on the lower cylinder, and the plurality of second sensors are used to detect whether there are obstacles around the container detection device.

[0022] The present application also provides a container detection system, comprising:

[0023] The container detection device; and

[0024] The barrier gate is used to release the vehicle loaded with the container when the container detected by the container detection device is normal, and to intercept the vehicle loaded with the container when the container detected by the container detection device is abnormal.

[0025] The beneficial effects of the container detection device and the container detection system provided by the present application are as follows: compared with manual inspection, the container detection device drives the swing arm to rotate by rotating the upper cylinder, drives the swing arm to swing out by the swing driving member, and drives the telescopic arm to extend by the telescopic driving member, which can drive the detection component on the telescopic arm to adjust and telescope to the parking position of the vehicle loaded with the container for automatic detection; at the same time, when the vehicle loaded with the container is not docked at the appropriate position, the container detection device can adjust the detection range by rotating, swinging and telescoping to smoothly detect the container, so it can adapt to the detection of containers on vehicles with parking deviations on the lane, so as to smoothly and comprehensively detect the interior of the container. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings required for use in the embodiments or descriptions of the prior art. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0027] Figure 1 This is a three-dimensional structural diagram of a container detection device according to an embodiment of the present application;

[0028] Figure 2 This is a structural diagram of the swing arm, telescopic drive member, and detection assembly of an embodiment of the present application;

[0029] Figure 3 This is a schematic diagram of the back side of the container detection device according to an embodiment of the present application, exposing part of the internal structure of the lower cylinder and the upper cylinder;

[0030] Figure 4 For the embodiment of this application Figure 3 A schematic diagram of the structure of the mechanical unlocking mechanism of the container detection device after enlarging part A in FIG;

[0031] Figure 5 This is a schematic structural diagram of a detection component of a container detection device according to an embodiment of the present application;

[0032] Figure 6 For the embodiment of this application Figure 3 A schematic diagram of the structure of the limit assembly of the container detection device after the enlargement of part B in FIG.

[0033] Figure 7 This is a structural diagram of a side surface of a container detection device according to an embodiment of the present application;

[0034] Figure 8 This is a structural diagram of the front side of the container detection device according to an embodiment of the present application. DETAILED DESCRIPTION

[0035] In order to make the technical problems, technical solutions and beneficial effects to be solved by this application more clearly understood, this application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain this application and are not intended to limit this application.

[0036] It should be noted that when an element is referred to as being “fixed on” or “disposed on” another element, it may be directly on the other element or indirectly on the other element. When an element is referred to as being “connected to” another element, it may be directly connected to the other element or indirectly connected to the other element.

[0037] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this application.

[0038] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be understood to indicate or imply relative importance or implicitly specify the number of the technical features indicated. Thus, a feature specified as "first" or "second" may explicitly or implicitly include one or more of the features. Throughout the description of this application, "plurality" means two or more, unless otherwise specifically defined.

[0039] The container detection device and the container detection system of the present application will now be described in detail with reference to the accompanying drawings.

[0040] Please refer to Figures 1 to 2The container detection device 100 provided in an embodiment of the present application is installed on the lane and is used to detect the empty state of containers on vehicles on the lane to detect whether any items are hidden in the empty containers. The container detection device 100 includes a lower cylinder 10, an upper cylinder 20 arranged above and below the lower cylinder 10, a rotatable platform 30, a swingable swing arm 40 connected to the upper cylinder 20 at one end, a swinging drive member 50 installed on the upper cylinder 20 and connected to the swing arm 40, a telescopic drive member 60 installed on the swing arm 40, and a telescopic arm 70 slidably connected to the swing arm 40. The container detection device 100 is erected on the safety island of the lane via the lower tube 10; the platform 30 is located within the upper tube 20 and connected to the inner wall of the upper tube 20, and the upper tube 20 rotates with the platform 30; the telescopic arm 70 is connected to the telescopic drive 60 and is provided with a detection component for detecting the internal conditions of the container; the telescopic arm 70 is connected to the telescopic drive 60 and is provided with a detection component 80 for detecting the internal conditions of the container. In this embodiment, the swing drive 50 is used to drive the swing arm 40 to swing in an arc with the upper tube 20 as the fulcrum, and the telescopic drive 60 is used to drive the telescopic arm 70 to slide along the swing arm 40 to drive the detection component 80 to extend or retract. When the telescopic drive 60 drives the detection component 80 to extend, it approaches the container on the lane to detect the container.

[0041] Further reference Figure 1 and Figure 3 The swing drive member 50 includes a first motor (not shown) and at least one electric push rod 51 disposed within the upper cylinder 20. Specifically, one end of each electric push rod 51 is connected to the first motor and the other end is connected to the swing arm 40. The first motor is used to drive the electric push rod 51 to move, thereby causing the swing arm 40 to swing in an arc shape with the upper cylinder 20 as a fulcrum.

[0042] Furthermore, the upper tube 20 defines a receiving slot 21 for accommodating the swing arm 40, the telescopic arm 70, and the detection assembly 80. When the swing drive 50 drives the swing arm 40 to swing outward in an arc for container inspection, the swing arm 40 moves away from the receiving slot 21. It will be appreciated that, when the container inspection device 100 is not in use, the swing arm 40 can be stored in the receiving slot 21. When container inspection is required, the swing drive 50 drives the swing arm 40 to swing outward. In one embodiment, the swing drive 50 drives the swing arm 40 to swing to its maximum extent, so that the swing arm 40 and the upper tube 20 are perpendicular to each other.

[0043] Please refer to Figure 3 and Figure 4The container detection device 100 also includes a mechanical unlocking mechanism 90 arranged in the upper cylinder 20, and the mechanical unlocking mechanism 90 includes a driving wheel 91, a plurality of driven wheels 92, a conveyor belt 93 that transmits power to the driving wheel 91 and each of the driven wheels 92, and a mechanical knob 94 that is rotatably connected to the driving wheel 91, and one of the driven wheels 92 is rotatably connected to one of the electric push rods 51.

[0044] In this embodiment, the mechanical knob 94 is rotated to drive the driving wheel 91 to rotate, thereby driving each of the driven wheels 92 to rotate. Each of the driven wheels 92 drives the electric push rod 51 to move, thereby driving the swing arm 40 to swing. In this way, when a sudden power outage or emergency occurs, the mechanical knob 94 can be manually or by other external force rotated in a first direction to swing the swing arm 40 out to inspect the container; or the mechanical knob 94 can be manually or by other external force rotated in a second direction to swing the swing arm 40 back to retract the swing arm 40. For example, when a sudden power outage occurs after inspecting a container, the swing arm 40 cannot be retracted in time, and the swing arm 40 of the container inspection device 100 on the lane will affect the passage of loaded containers. In this case, the swing arm 40 needs to be retracted. However, due to the power outage, the swing arm 40 cannot be electrically retracted. In this case, the swing arm 40 can be retracted by the mechanical unlocking mechanism 90, so that the vehicle that has completed the inspection can pass smoothly in the lane. The first direction and the second direction are opposite directions.

[0045] Further references Figure 2 The telescopic drive member 60 includes a second motor 61 disposed on the swing arm 40, a screw 62 drivingly connected to the second motor 61, and two slide rails 63 located on the swing arm 40 and on either side of the screw 62. Specifically, the telescopic arm 70 is connected to the screw 62 and slidably connected to the two slide rails 63. The second motor 61 is used to drive the screw 62 to rotate, thereby driving the telescopic arm 70 to slide back and forth along the two slide rails 63. During the reciprocating sliding, the telescopic arm 70 moves closer to or further away from the end of the swing arm 40 connected to the upper tube 20, toward the end near which the swing arm 40 is connected to the upper tube 20. It is worth noting that in one embodiment, the detection assembly 80 has two oppositely disposed ends, one of which is disposed at one end of the telescopic arm. When the telescopic arm 70 is not extended, the telescopic arm 70 and the detection assembly 80 are both within the range of the swing arm 40. When the telescopic arm 70 moves to drive the detection assembly to extend, one end of the telescopic arm 70 first extends beyond the swing arm 40.

[0046] Furthermore, the swing arm 40 is provided with a hook, located between the telescopic arm 70 and the connection between the swing arm 40 and the upper cylinder 20. When the telescopic drive 60 is used to retract the telescopic arm 70, the hook is used to hook the telescopic arm 70 to prevent it from sliding. After the swing drive 50 retracts the swing arm 40, if a sudden power outage occurs, the telescopic arm 70 attached to the swing arm 40 will drop vertically due to gravity. Thus, the hook is used to hold the telescopic arm 70 down.

[0047] Combined with reference Figure 1 、 Figure 2 and Figure 5 The detection component 80 includes a shell 81, at least one camera 82 arranged on the shell 81, and a laser scanner 83 located in the shell 81. The camera 82 of the detection component 80 is used to monitor the internal conditions of the container to be inspected and to record the interior of the container, and the laser scanner 83 is used to perform laser three-dimensional scanning of the internal conditions of the container to be inspected.

[0048] Furthermore, the detection assembly 80 includes a third motor (not shown) disposed within the housing 81 and at least one first sensor 84 disposed on the housing 81. The third motor is used to drive the laser scanner 83 to rotate; the first sensor 84 is used to detect the distance between the container to be inspected and the detection assembly 80, so as to adjust the telescopic arm 70 on the swing arm 40 to the appropriate position so that the telescopic arm 70 strikes the container during movement.

[0049] In one specific embodiment, the laser scanner 83 has a wide laser angle of 114°, and a third motor can drive the laser scanner 83 to rotate 360 ​​degrees. The laser scanner 83 is used to perform laser scanning of the container interior to create a three-dimensional model of the container interior space to be inspected. It is worth noting that the wide laser angle of the 3D laser scanner is at least 114 degrees. The 3D laser scanner includes a laser transmitter, a receiver, a counter, a motor, a filter, and a control circuit. The 3D laser scanner utilizes the principle of laser ranging to rapidly reconstruct a 3D model of the object being inspected by recording the 3D coordinates, reflectivity, and texture information of a large number of densely packed points on the surface of the object being inspected. The 3D laser scanner can be, but is not limited to, a Riegl LMS-Z series 3D laser scanner or a Leica HDS 6200 3D laser scanner. The 3D laser scanner is used to scan the interior of the container to obtain a 3D model of the container interior, thereby determining whether the container is truly empty.

[0050] In one embodiment, the camera 82 includes a visible light camera 82 and an infrared camera 82. Not only can the laser scanner 83 detect the interior of the container, but the camera 82 can also monitor and record the interior of the container. Four first sensors 84 are provided on the housing 81. These four first sensors 84 are positioned in different directions to ensure multi-directional detection. In this embodiment, the first sensors 84 are ultrasonic sensors. In other embodiments, but not limited to these, the first sensors 84 may be ultrasonic sensors.

[0051] It can be understood that the third motor can enable the laser scanner 83 to perform an all-round scan of the interior of the container. At the same time, the third motor drives the laser scanner 83 to rotate to compensate for the situation where the upper cylinder 20 and the telescopic arm 70 are not rotated or moved properly with respect to the container to be inspected, so as to better detect the container; and the first sensor 84 is used to timely detect the distance between the container being inspected and the detection component 80 to prevent the detection component 80 from colliding with the container during the inspection process and causing damage to the detection component 80.

[0052] Combined with reference Figure 3 and Figure 6 The container inspection device 100 further includes a support column 11 and a rotary motor 12 located within the lower drum 10. One end of the support column 11 passes through the platform 30 and is fixedly connected to the lower drum 10. The other end is connected to the end of the upper drum 20 away from the lower drum 10 via a bearing. The support provided by the support column 11 ensures the stability of the entire device during the rotation of the upper drum 20. The rotary motor 12 is used to drive the platform 30 to rotate about the support column 11, thereby driving the rotation of the upper drum 20.

[0053] Furthermore, the container detection device 100 also includes a limit assembly 31 for limiting the rotation range of the platform 30. Specifically, the limit assembly 31 includes two photoelectric switches 311 located within the upper cylinder 20 and spaced apart on the support column 11, and two photoelectric shielding plates 312 disposed on the platform 30 and on either side of the support column 11. The two photoelectric switches 311 rotate with the platform 30, and one of the photoelectric shielding plates 312 is used to reflect the light beam emitted by one of the photoelectric switches 311.

[0054] Furthermore, the limit assembly 31 also includes a mechanical limiter 313 provided on the support column 11 and two limit rods 314 provided on the platform 30. The two limit rods 314 are provided on both sides of the support column 11 and rotate with the platform 30. When the platform 30 rotates clockwise or counterclockwise to a certain angle, the mechanical limiter 313 is used to resist one of the limit rods 314 so that the platform 30 rotates clockwise or counterclockwise to the maximum angle.

[0055] In this embodiment, the clockwise and counterclockwise rotation angles of the upper cylinder 20 can be achieved based on the specific set positions of the photoelectric shielding plates 312 and the photoelectric switches 311. It is worth noting that when the upper cylinder 20 rotates clockwise, if one of the photoelectric shielding plates 312 blocks and reflects the light beam reflected by one of the photoelectric switches 311 during rotation, the photoelectric switch 311 generates a photoelectric signal, indicating that the upper cylinder 20 has rotated to its maximum clockwise position. Conversely, the same applies to counterclockwise rotation of the upper cylinder 20, which will not be further explained here.

[0056] Combined with reference Figure 7 and Figure 8 The lower tube 10 is provided with multiple second sensors 13, which are used to detect obstacles around the container detection device 100. The lower tube 10 is also provided with a voice intercom module 14 for voice communication. The container detection device 100 also includes a first alarm light 15 on the lower tube 10 and a second alarm light 22 on the upper tube 20.

[0057] In the container detection device, the upper cylinder rotates to drive the swing arm to rotate, and the swing arm is driven to swing out by the swing driving member, and the telescopic arm is driven to extend by the telescopic driving member, thereby driving the detection component on the telescopic arm to adjust and telescope to the parking position of the vehicle loaded with the container for automatic detection; at the same time, when the vehicle loaded with the container is not docked at a suitable position, the container detection device can adjust the detection range by rotating, swinging and telescoping to smoothly detect the container, so it can adapt to the detection of containers on vehicles with different parking positions on the lane.

[0058] The container detection system provided in the embodiments of the present application includes a container detection device and a barrier gate. Specifically, the barrier gate is used to allow a vehicle carrying the container to pass when the container detection device detects that the container is normal, and to intercept the vehicle carrying the container when the container detection device detects that the container is abnormal. The abnormality can be understood as the secret storage of materials in an empty container.

[0059] In the container detection system, the upper cylinder rotates to drive the swing arm to rotate, and the swing arm is driven to swing out by the swing drive member, and the telescopic arm is driven to extend by the telescopic drive member, thereby driving the detection component on the telescopic arm to adjust and telescope to the parking position of the vehicle loaded with the container for automatic detection; at the same time, when the vehicle loaded with the container is not docked at a suitable position, the container detection device can adjust the detection range by rotating, swinging and telescoping to smoothly detect the container, so it can adapt to the detection of containers on vehicles with different parking positions on the lane.

[0060] The above description is only a preferred embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present application should be included in the scope of protection of the present application.

Claims

1. A container detection device, arranged on a lane, characterized in that: include: A lower cylinder and an upper cylinder arranged above and below the lower cylinder, a rotatable platform, the platform being located inside the upper cylinder and connected to the inner wall of the upper cylinder, and the upper cylinder rotating with the platform; a swingable swing arm connected to the upper cylinder at one end and a swing driving member provided on the upper cylinder and connected to the swing arm, a telescopic driving member provided on the swing arm and a telescopic arm slidably connected to the swing arm, the telescopic arm being connected to the telescopic driving member and provided with a detection component for detecting the internal condition of the container; and The swing drive member is used to drive the swing arm to swing in an arc shape with the upper cylinder as a fulcrum, and the telescopic drive member is used to drive the telescopic arm to slide along the swing arm to drive the detection component to extend or retract; The swing driving member includes a first motor and at least one electric push rod disposed in the upper cylinder, one end of each electric push rod is connected to the first motor and the other end is connected to the swing arm, the first motor is used to drive the electric push rod to move so as to drive the swing arm to swing in an arc with the upper cylinder as a fulcrum; The container detection device further includes a mechanical unlocking mechanism disposed in the upper cylinder, the mechanical unlocking mechanism including a driving wheel, a plurality of driven wheels, a conveyor belt transmitting a transmission connection between the driving wheel and each of the driven wheels, and a mechanical knob rotatably connected to the driving wheel; one of the driven wheels is rotatably connected to one of the electric push rods, and the mechanical knob is rotated to drive the driving wheel to rotate, thereby driving each of the driven wheels to rotate, and each of the driven wheels drives the electric push rod to move, thereby driving the swing arm to swing; The telescopic drive member includes a second motor provided on the swing arm, a screw rod connected to the second motor, and two slide rails located on the swing arm and arranged on both sides of the screw rod; the telescopic arm is connected to the screw rod and is slidably connected to the two slide rails, and the second motor is used to drive the screw rod to rotate so as to drive the telescopic arm to slide back and forth along the two slide rails; The swing arm is further provided with a hook, which is located between the telescopic arm and the connection between the swing arm and the upper cylinder. When the telescopic drive member is used to drive the telescopic arm to retract, the hook is used to hook the telescopic arm to prevent the telescopic arm from sliding; The container detection device further includes a support column and a rotating motor located in the lower cylinder, one end of the support column passes through the platform and is fixedly connected to the lower cylinder, and the other end is connected to the end of the upper cylinder away from the lower cylinder through a bearing, and the rotating motor is used to drive the platform to rotate around the support column to drive the upper cylinder to rotate; The container detection device also includes a limit assembly for limiting the rotation range of the platform; the limit assembly includes two photoelectric switches located in the upper cylinder and spaced apart on the support column, and two photoelectric shielding plates arranged on the platform and on both sides of the support column; the two photoelectric switches rotate with the platform, and one of the photoelectric shielding plates is used to reflect the light beam emitted by one of the photoelectric switches.

2. The container detection device according to claim 1, characterized in that: The upper cylinder is provided with a receiving slot for receiving the swing arm, the telescopic arm and the detection assembly. When the swing driving member drives the swing arm to swing out in an arc to detect the container, the swing arm is away from the receiving slot.

3. The container detection device according to claim 1, characterized in that: The detection component includes a shell, at least one camera arranged on the shell and a laser scanner located inside the shell. The camera of the detection component is used to monitor the internal conditions of the container to be inspected and to record and photograph the interior of the container. The laser scanner is used to perform laser three-dimensional scanning of the internal conditions of the container to be inspected.

4. The container detection device according to claim 3, characterized in that: The detection component further includes a third motor disposed inside the housing, and the third motor is used to drive the laser scanner to rotate.

5. The container detection device according to claim 3, characterized in that: The detection component further includes at least one first sensor disposed on the housing, and the first sensor is used to detect the distance between the container to be detected and the detection component.

6. The container detection device according to claim 1, characterized in that: A plurality of second sensors are dispersedly arranged on the lower tube, and the plurality of second sensors are used to detect whether there are obstacles around the container detection device.

7. A container detection system, characterized in that: include: The container detection device according to any one of claims 1 to 6; as well as The barrier gate is used to release the vehicle loaded with the container when the container detected by the container detection device is normal, and to intercept the vehicle loaded with the container when the container detected by the container detection device is abnormal.

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