WO2020140993A1 - 可行走式安全检查设备及控制方法 - Google Patents
可行走式安全检查设备及控制方法 Download PDFInfo
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- WO2020140993A1 WO2020140993A1 PCT/CN2020/070412 CN2020070412W WO2020140993A1 WO 2020140993 A1 WO2020140993 A1 WO 2020140993A1 CN 2020070412 W CN2020070412 W CN 2020070412W WO 2020140993 A1 WO2020140993 A1 WO 2020140993A1
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- vehicle body
- walkable
- inspection device
- safety inspection
- arm
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- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000007689 inspection Methods 0.000 claims description 118
- 238000001514 detection method Methods 0.000 claims description 37
- 230000007704 transition Effects 0.000 claims description 17
- 230000007246 mechanism Effects 0.000 claims description 12
- 238000012546 transfer Methods 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 4
- 238000013459 approach Methods 0.000 claims description 2
- 230000005855 radiation Effects 0.000 abstract description 5
- 238000004364 calculation method Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 8
- 238000012937 correction Methods 0.000 description 4
- 230000001133 acceleration Effects 0.000 description 3
- 238000013519 translation Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V5/00—Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity
- G01V5/20—Detecting prohibited goods, e.g. weapons, explosives, hazardous substances, contraband or smuggled objects
- G01V5/22—Active interrogation, i.e. by irradiating objects or goods using external radiation sources, e.g. using gamma rays or cosmic rays
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
- G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
Definitions
- the present disclosure relates to the technical field of detection, and in particular to a walkable safety inspection device and control method.
- active container/vehicle inspection equipment includes steel wheels, such as combined inspection equipment, and rubber wheels, such as on-board inspection equipment. These inspection devices use reciprocating scanning to image the container/vehicle.
- a walkable safety inspection device including:
- An arm frame and a plurality of detectors provided on the arm frame, the arm frame is rotatably connected to the first vehicle body and the second vehicle body respectively;
- At least two independently driven and independently steered first driving wheels disposed on the first body, configured to implement walking and steering of the first body;
- At least two independently driven and independently steered second drive wheels are provided on the second vehicle body, and are configured to achieve walking and steering of the second vehicle body.
- the walkable safety inspection device further includes:
- the controller is configured to control the rotation speed and steering angle of the first driving wheel and the second driving wheel.
- the controller is configured to receive the state parameters of the first vehicle body and the second vehicle body provided by the detection mechanism, so as to control the first drive wheel and the vehicle according to the state parameters The rotation speed and steering angle of the second driving wheel are controlled; the detection mechanism is provided in the walkable safety inspection device or independently provided outside the walkable safety inspection device.
- the controller is configured to control the radial planes of the first drive wheel and the second drive wheel to be parallel to the scanning channel of the walkable safety inspection device.
- the controller is configured to control the radial planes of the first drive wheel and the second drive wheel to be tangent to the same circle, and the center of the circle is located on each The first driving wheel and each of the second driving wheels are connected to each other within an overall area formed to realize the rotation movement of the walkable safety inspection device.
- the controller is configured to control the radial planes of the first drive wheel and the second drive wheel to be parallel to each other and move in the same direction, and cause the first drive wheel and the second drive wheel to move in the same direction.
- the radial plane of the second driving wheel is at a preset angle with the scanning channel of the walkable safety inspection device, so as to realize the translational movement of the walkable safety inspection device.
- the controller is further configured to control the rotation of the boom relative to the first vehicle body or the second vehicle body.
- the controller is configured to control the boom to rotate relative to the second vehicle body, drive the first vehicle body relative to the second vehicle body to adjust the first vehicle Relative positions of the body and the second vehicle body in a first direction and a second direction perpendicular to the first direction, the first direction being parallel to the scanning channel of the walkable safety inspection device.
- the controller is configured to control the second drive wheel to remain parallel to the scanning channel when controlling the boom to rotate relative to the second vehicle body, and to control the The radial plane is always tangent to the circular rotation trajectory of the first driving wheel.
- the controller is configured to keep the first vehicle body and the second vehicle body parallel when switching from inspection conditions to transition conditions, and the first vehicle body and The distance in the second direction of the second vehicle body under the transitional working condition is smaller than the distance in the second direction under the inspection working condition.
- the controller is configured to keep the first vehicle body and the second vehicle body parallel when switching from the inspection condition or the transfer condition to the transportation condition, and the first The distance between a vehicle body and the second vehicle body in the second direction under the transportation condition is smaller than the distance in the second direction under the transition condition or under the inspection condition.
- the boom includes:
- the first vertical arm is connected to the first vehicle body, and is rotatable around an axis in the vertical direction;
- a second vertical arm connected to the second vehicle body and rotatable around an axis in the vertical direction;
- a connecting arm two ends are respectively connected with the first vertical arm and the second vertical arm, and the connection at least one end is a rotatable connection;
- a first detection arm fixedly connected to the connecting arm
- a second detection arm rotatably connected to the connection arm or the first detection arm
- the plurality of detectors are respectively installed on the first detection arm and the second detection arm;
- the controller is further configured to control the second detection arm to collapse toward the connection arm or the second detection arm before driving the arm frame to rotate relative to the first vehicle body.
- the connecting arm is L-shaped.
- it further includes: a protective wall provided on at least one of the first vehicle body and the second vehicle body.
- a control method based on the aforementioned walkable safety inspection device including:
- the rotation speed and the steering angle of the first drive wheel and the second drive wheel are controlled to achieve at least one of the linear walking, rotation and translation movements of the walkable safety inspection device Species.
- control method further includes:
- the arm frame When switching from the inspection mode to the transfer mode or the transport mode, the arm frame is controlled to rotate relative to the second vehicle body to drive the first vehicle body to move relative to the second vehicle body to adjust the Relative positions of the first vehicle body and the second vehicle body in a first direction and a second direction perpendicular to the first direction, the first direction and the scanning channel of the walkable safety inspection device parallel.
- FIG. 1 is a schematic structural view of some embodiments of a walking safety inspection device according to the present disclosure
- FIG. 2 is a schematic structural view of the embodiment of FIG. 1 at a top view
- 3(a)-3(d) are schematic diagrams of the state of the drive wheels of some embodiments of the walkable safety inspection device of the present disclosure during straight and steering movements;
- FIG. 4 is a schematic diagram of angle calculation of some embodiments of the walking safety inspection device of the present disclosure when the front wheels turn and the rear wheels go straight;
- FIG. 5 is a schematic diagram of angle calculation when some embodiments of the walking safety inspection device of the present disclosure are turned when both front and rear wheels are turned;
- 6(a)-6(b) are schematic diagrams of the state of the driving wheels when the self-propelled safety inspection device of the present disclosure rotates in different rotation directions in some embodiments;
- FIGS. 7(a)-6(b) are schematic diagrams of the state of the driving wheels of some embodiments of the walkable safety inspection device of the present disclosure during lateral or oblique translation movement;
- FIGS 8(a)-8(b) are schematic diagrams of the state of the driving wheels of the straight-through and steering movements of some embodiments of the walkable safety inspection device of the present disclosure
- FIG. 9 is a schematic diagram of the angle calculation of each driving wheel when switching from the inspection mode to the transition mode under some embodiments of the walking safety inspection device of the present disclosure
- FIG. 10 is a schematic diagram of angle calculation when some embodiments of the walking safety inspection device of the present disclosure are turned under the turning conditions;
- FIG. 11 is a schematic diagram of the state of the driving wheels of some embodiments of the walking safety inspection device of the present disclosure under transportation conditions;
- FIG. 12 is a schematic diagram of the connection between the detection unit and the controller in some embodiments of the walkable safety inspection device of the present disclosure.
- first”, “second” and similar words used in this disclosure do not indicate any order, quantity or importance, but are only used to distinguish different parts. Similar words such as “include” or “include” mean that the elements before the word cover the elements listed after the word, and do not exclude the possibility of covering other elements. “Up”, “down”, “left”, “right”, etc. are only used to indicate the relative positional relationship. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.
- a specific device when it is described that a specific device is located between the first device and the second device, there may or may not be an intervening device between the specific device and the first device or the second device.
- the specific device When it is described that a specific device is connected to another device, the specific device may be directly connected to the other device without an intervening device, or may be directly connected to the other device without an intervening device.
- the embodiments of the present disclosure provide a walkable safety inspection device and a control method, which can meet more flexible work requirements.
- the walking safety inspection device includes: a first vehicle body 10, a second vehicle body 20, a ray source 40, a protective wall, an arm frame 30 and a plurality of detectors 50.
- the ray source 40 is provided in the first vehicle body 10 and is used to emit a high-energy ray beam, such as X-rays or ⁇ -rays.
- the protective wall is provided on the second vehicle body 20, and may also be provided on the first vehicle body 10.
- the arm frame 30 can be rotatably connected to the first body 10 and the second body 20 respectively.
- the inspection working condition refers to the working process of the inspection of the goods or vehicles to be inspected by the walking safety inspection equipment
- the transition working condition refers to the walking of the walking safety inspection equipment itself in a small range to achieve, for example, the replacement of the work site
- the transportation working condition refers to the non-working process in which the walkable safety inspection equipment is transported by other transportation equipment (such as transportation vehicles) in a short distance or a long distance.
- a plurality of detectors 50 may be provided on the arm frame 30 for receiving the beam emitted from the radiation source 40, which includes the beam directly hitting the detector, and also includes the beam after transmitting the object to be inspected.
- the walkable safety inspection apparatus may further include: at least two independently driven and independently steered first drive wheels 60 and at least two independently driven and independently steered second drive wheels 70.
- the first driving wheel 60 is disposed on the first vehicle body 10, and is used to realize walking and steering of the first vehicle body 10.
- the second driving wheel 70 is disposed on the second vehicle body 20, and is used to realize walking and steering of the second vehicle body 20.
- At least two independently driven and independently steered driving wheels are respectively provided in the first body and the second body.
- independent driving and independent steering of the driving wheels a variety of walking functions can be realized, such as straight travel, side shift, Rotation, folding transition, etc., to meet more flexible work requirements, applicable to a wider range of applications.
- the number of the first driving wheel 60 and the second driving wheel 70 can be selected according to needs, for example, an appropriate number of driving wheels can be set according to the support stability.
- two first drive wheels 60 are provided on the first vehicle body 10 and two second drive wheels 70 are provided on the second vehicle body.
- the plane formed by the steering shaft of the first driving wheel 60 and the steering shaft of the second driving wheel 70 and the steering of the first driving wheel 60 at the rear are based on the straight direction of the walking safety inspection device
- the plane formed by the shaft and the steering shaft of the second driving wheel 70 is parallel.
- the first driving wheel 60 and the second driving wheel 70 can realize the walking function by driving the driving motor, and the steering function by driving the rotating motor.
- Servo motors can be used for driving motor and rotating motor.
- the first driving wheel 60 and the second driving wheel 70 can also adopt other driving structures, for example, a pneumatic or hydraulic motor is used to implement a walking function, and an electric push rod or a cylinder is used to implement a steering function.
- the walking safety inspection device may further include a controller 90 for driving the first drive wheel 60 and the second drive The rotation speed and steering angle of the wheel 70 are controlled.
- the controller 90 may receive the state parameters of the first vehicle body 10 and the second vehicle body 20 provided by the detection mechanism 80, so as to control the first driving wheel 60 and the second driving wheel according to the state parameters 70 speed and steering angle are controlled.
- the controller 90 may also receive control commands from a remote control platform (such as an industrial computer, etc.) or a remote controller to control the rotation speed and steering angle of the first drive wheel 60 and the second drive wheel 70 .
- the detection mechanism 80 may include an angle encoder, an accelerometer, a gyroscope, etc. to detect the movement speed, acceleration, rotation angle, rotation angular velocity, angular acceleration, etc. of the driving wheel or the walkable safety inspection device, and may also include infrared, laser, etc. , Ultrasonic, visual, buried magnetic stripe or GPS positioning elements, etc., in order to obtain the position, posture, etc. of the driving wheels or walkable safety inspection equipment. These detection mechanisms 80 may be provided in a walkable safety inspection device.
- the detection mechanism 80 may further include a detection element provided outside the walkable security inspection device, for example, an imaging element provided in the venue.
- the detection mechanism 80 can collect the current movement position, movement speed/acceleration, movement posture and other state parameters of the walkable safety inspection equipment for the remote control platform or the controller 90 in the walkable safety inspection equipment to control.
- the controller 90 may control the first driving wheel 60 and the second driving wheel
- the radial planes of 70 are parallel to the scanning channel of the walkable safety inspection device. In this way, the walkable safety inspection device can walk in a straight line with respect to the item to be inspected, so as to realize scanning of various cross sections of the item to be inspected.
- the controller 90 or remote control platform can obtain the posture data of the walkable safety inspection device itself or the driving wheel from the detection mechanism 80 in real time, and according to Attitude data adjusts the speed and steering angle of the drive wheels.
- the controller 90 can realize the automatic straightening of the walkable safety inspection device through continuous correction operation.
- the adjustment of the steering angle of the drive wheels involved in the correction operation may include the straight-wheel rearward and front-wheel adjustment methods of FIG. 3(b) or the straight-wheel front and rear-wheel adjustment methods of FIG. 3(c), and may also include FIG. 3 (d) The method of adjusting both front and rear wheels.
- the controller 90 also controls the rotation of the drive wheels at the same time, so as to adjust the posture during traveling, and realize automatic straightening.
- the calculation of the steering angle can be realized by the following motion simplified model example.
- x is the distance between the common rotation center O of the front wheels and the center line of the two front and rear second drive wheels
- l is the center line of the front and rear two second drive wheels and the two first drive wheels
- the distance between the center lines of m, m is the distance between the center line of the front drive wheel and the center line of the rear drive wheel.
- both the front and rear wheels participate in steering operations.
- the rotation angle ⁇ l of the second drive wheel in the front left position and the rotation angle ⁇ r of the first drive wheel in the front right position satisfy the following relationship:
- x is the distance between the common rotation center O of the front wheels and the center line of the two front and rear second drive wheels
- l is the center line of the two front and rear second drive wheels and the two first drive wheels
- the distance between the center line of ,m is the distance between the center line of the front drive wheel and the center line of the rear drive wheel.
- the controller 90 can control the radial planes of the first drive wheel 60 and the second drive wheel 70 to be tangent to the same circle, and the center of the circle is located on each of the first drives
- the wheel 60 and each of the second driving wheels 70 are connected to each other within the overall area formed.
- the rotation center axis is a vertical line passing through the center of a circle tangent to each drive wheel.
- the walkable safety inspection equipment can also achieve relatively flexible translational motion.
- the controller 90 can control the radial planes of the first drive wheel 60 and the second drive wheel 70 to be parallel to and move in the same direction, and make the first The radial planes of a driving wheel 60 and the second driving wheel 70 form a preset angle with the scanning channel of the walkable safety inspection device, so as to realize the translational movement of the walkable safety inspection device.
- the radial planes of the first driving wheel 60 and the second driving wheel 70 are perpendicular to the scanning channel, so that the lateral movement of the walkable safety inspection device can be realized, so that the straight line can be scanned in the forward direction After a row of items to be inspected, it traverses to the front of another adjacent row of objects to be inspected, and then scans the row of objects to be inspected in the reverse direction.
- the steering state of the obliquely translated drive wheels is also shown in FIG. 7(b).
- the controller 90 can also control the boom 30 relative to the first body 10 or the second body 20 rotation control.
- the controller 90 can drive the first vehicle body 10 to move relative to the second vehicle body 20 by controlling the rotation of the boom 30 relative to the second vehicle body 20. In this way, the relative positions of the first vehicle body 10 and the second vehicle body 20 in the first direction and the second direction perpendicular to the first direction can be adjusted.
- the first direction here is parallel to the scanning channel of the walkable safety inspection device.
- the arm frame 30 may include: a first vertical arm 31, a second vertical arm 32, a connecting arm 33, a first detection arm 34 and a second detection arm 35.
- the first vertical arm 31 is connected to the first vehicle body 10 and is rotatable about an axis in the vertical direction.
- the second vertical arm 32 is connected to the second vehicle body 20 and is rotatable about an axis in the vertical direction.
- Two ends of the connecting arm 33 are respectively connected to the first vertical arm 31 and the second vertical arm 32, and the connection at least one end is a rotatable connection.
- a rotation mechanism such as an electric motor, a pneumatic or hydraulic motor, etc., may be provided between the first body 10 or the second body 20 and the boom 30.
- the first detection arm 34 is fixedly connected to the connecting arm 33.
- the second detection arm 35 is rotatably connected to the connection arm 33 or the first detection arm 34.
- a plurality of detectors 50 are respectively mounted on the first detection arm 34 and the second detection arm 35.
- the controller 90 Before the controller 90 drives the arm frame 30 to rotate relative to the second vehicle body 20, the controller 90 can control the second detection arm 35 to approach the connecting arm 33 or the second detection arm 35.
- the side is folded to prevent the arm 30 from interfering with other devices when the arm 30 rotates relative to the first body 10 or the second body 20.
- the boom 30 can also be raised and lowered relative to the first body 10 and the second body 20, so as to reduce the overall size of the walkable inspection equipment during the transition or transportation.
- a lifting mechanism such as a cylinder, a hydraulic cylinder, a hoist, etc., may be provided between the first body 10 or the second body 20 and the boom 30.
- the walkable safety inspection device may be switched from the inspection condition to the folded condition under the transition condition. Under the transition conditions, a small range of transition walking can be achieved.
- the controller 90 can control the second driving wheel 70 to keep parallel to the scanning channel when controlling the rotation of the boom 30 relative to the second vehicle body 20, and control the first driving wheel 60.
- the radial plane is always tangent to the circular rotation trajectory of the first driving wheel 60.
- the controller 90 can keep the first vehicle body 10 and the second vehicle body 20 parallel.
- the distance between the first vehicle body 10 and the second vehicle body 20 in the second direction under the transition conditions is smaller than the distance in the second direction under the inspection conditions, thereby reducing the width dimension of the walkable safety inspection equipment, Improve the ability to pass.
- the second driving wheel remains parallel to the scanning channel, and the two first driving wheels in front and rear rotate around a common rotation center O.
- the rotation center O is the vertical axis of the upper boom of the second vehicle body.
- the rotation angles ⁇ r and ⁇ l of the first drive wheel at the right rear position satisfy the following relationship:
- the rotation angles ⁇ t and ⁇ l of the first drive wheel in the front right position satisfy the following relationship: y and x are the distances between the rotation center O and the radial planes of the two front and rear first drive wheels, l is the distance from the vertical axis of the upper boom of the first body to the rotation center O, and m and n are the first car respectively
- the distance between the vertical axis of the on-body boom and the steering axes of the two first drive wheels at the front and rear, ⁇ l is the plane formed by the rotation axes of the boom on the second body and the first body, respectively, and the first body
- the walkable safety inspection device can realize the straight traveling of FIG. 8(a) and the turning of FIG. 8(b).
- the steering angle can be calculated by the following motion simplified model. Referring to FIG. 10, all drive wheels rotate around a common rotation center O.
- the second driving wheel at the left rear position is kept parallel to the scanning channel
- the steering angle ⁇ t of the second driving wheel at the front left position and the steering angle ⁇ l of the first driving wheel at the front right position satisfy the following relationship:
- the steering angle ⁇ r of the first drive wheel in the rear right position and the steering angle ⁇ l of the first drive wheel in the front right position satisfy the following relationship:
- x is the distance between the rotation center O and the radial plane of the second driving wheel at the left rear position
- l is the distance between the center connecting line of the two front and rear second driving wheels and the center connecting line of the two front and rear driving wheels
- m , N and h are the virtual links between the steering axis of the second drive wheel at the left rear position and the second drive wheel at the left front position, the first drive wheel at the right rear position and the second drive wheel at the right front position during scanning
- ⁇ ⁇ l
- the walkable safety inspection device can be further folded into a smaller size for transportation over a long distance through the vehicle.
- the controller 90 can keep the first vehicle body 10 and the second vehicle body 20 parallel when switching from the inspection condition or the transfer condition to the transportation condition, and the first vehicle body 10 and the second vehicle body 20 in the second direction spacing under the transportation condition is smaller than the second direction spacing under the transition condition or the second direction spacing under the inspection condition.
- the second direction here is a direction perpendicular to the direction of the scan channel.
- the connecting arm 33 of the arm frame 3 can be designed to be L-shaped so as to be folded into a smaller size, and the folded arm frame can be parallel to the first body and the second body.
- the connecting arm of this form also connects the ray source 40 to the first vertical arm 31 so that when the first vertical arm 31 rotates with the connecting arm 33 relative to the first vehicle body 10, the ray source 40 also rotates accordingly
- the scanning surface between the radiation source 40 and the detector 50 is maintained to save the correction operation of the radiation source 40, the first detection arm 34, the second detection arm 35, and the like.
- the present disclosure also provides a corresponding control method.
- the control method includes: controlling the rotation speeds and steering angles of the first driving wheel 60 and the second driving wheel 70 under inspection conditions to implement the walkable safety inspection device At least one of linear walking, rotation and translation movement.
- control method may further include: controlling the arm frame 30 to rotate relative to the second vehicle body 20 to drive the first
- the car body 10 moves relative to the second car body 20 to adjust the relative of the first car body 10 and the second car body 20 in a first direction and a second direction perpendicular to the first direction Position, the first direction is parallel to the scanning channel of the walkable security inspection device.
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Abstract
Description
Claims (16)
- 一种可行走式安全检查设备,包括:第一车体(10)和设置在第一车体(10)中的射线源(40);第二车体(20);臂架(30)和设置在所述臂架(30)上的多个探测器(50),所述臂架(30)分别与所述第一车体(10)和所述第二车体(20)可转动地连接;至少两个独立驱动和独立转向的第一驱动轮(60),设置在所述第一车体(10)上,被配置为实现所述第一车体(10)的行走和转向;和至少两个独立驱动和独立转向的第二驱动轮(70),设置在所述第二车体(20)上,被配置为实现所述第二车体(20)的行走和转向。
- 根据权利要求1所述的可行走式安全检查设备,还包括:控制器(90),被配置为被配置为对所述第一驱动轮(60)和所述第二驱动轮(70)的转速和转向角进行控制。
- 根据权利要求2所述的可行走式安全检查设备,其中,所述控制器(90)被配置为接收检测机构(80)提供的所述第一车体(10)和所述第二车体(20)的状态参数,以便根据所述状态参数对所述第一驱动轮(60)和所述第二驱动轮(70)的转速和转向角进行控制;所述检测机构(80)设置在所述可行走式安全检查设备内,或者独立地设置在所述可行走式安全检查设备的外部。
- 根据权利要求2所述的可行走式安全检查设备,其中,所述控制器(90)被配置为控制所述第一驱动轮(60)和所述第二驱动轮(70)的径向平面均与所述可行走式安全检查设备的扫描通道平行。
- 根据权利要求2所述的可行走式安全检查设备,其中,所述控制器(90)被配置为控制所述第一驱动轮(60)和所述第二驱动轮(70)的径向平面均与同一个圆形相切,且所述圆形的圆心位于各个所述第一驱动轮(60)和各个所述第二驱动轮(70)相互连线所形成的总体区域之内,以实现所述可行走式安全检查设备的自转运动。
- 根据权利要求2所述的可行走式安全检查设备,其中,所述控制器(90)被配置为控制所述第一驱动轮(60)和所述第二驱动轮(70)的径向平面均相互平行且同向运动,并使所述第一驱动轮(60)和所述第二驱动轮(70)的径向平面与所述可行走式安全检查设备的扫描通道呈预设夹角,以实现所述可行走式安全检查设备的平 移运动。
- 根据权利要求2所述的可行走式安全检查设备,其中,所述控制器(90)还被配置为对所述臂架(30)相对于所述第一车体(10)或所述第二车体(20)的转动进行控制。
- 根据权利要求7所述的可行走式安全检查设备,其中,所述控制器(90)被配置为控制所述臂架(30)相对于第二车体(20)转动,带动所述第一车体(10)相对于所述第二车体(20)运动,以调整所述第一车体(10)和所述第二车体(20)在第一方向和与所述第一方向垂直的第二方向上的相对位置,所述第一方向与所述可行走式安全检查设备的扫描通道平行。
- 根据权利要求8所述的可行走式安全检查设备,其中,所述控制器(90)被配置为在控制所述臂架(30)相对于第二车体(20)转动时,控制所述第二驱动轮(70)保持与扫描通道平行,并控制所述第一驱动轮(60)的径向平面与所述第一驱动轮(60)的圆形转动轨迹始终相切。
- 根据权利要求8所述的可行走式安全检查设备,其中,所述控制器(90)被配置为从检查工况切换成转场工况时,使所述第一车体(10)与所述第二车体(20)保持平行,且所述第一车体(10)和所述第二车体(20)在转场工况下的第二方向间距小于检查工况下的第二方向间距。
- 根据权利要求8所述的可行走式安全检查设备,其中,所述控制器(90)被配置为从检查工况或转场工况切换为运输工况时,使所述第一车体(10)与所述第二车体(20)保持平行,且所述第一车体(10)和所述第二车体(20)在运输工况下的第二方向间距小于转场工况下的第二方向间距或检查工况下的第二方向间距。
- 根据权利要求7所述的可行走式安全检查设备,其中,所述臂架(30)包括:第一竖臂(31),与所述第一车体(10)连接,且绕竖直方向的轴线可转动;第二竖臂(32),与所述第二车体(20)连接,且绕竖直方向的轴线可转动;连接臂(33),两端分别与所述第一竖臂(31)和所述第二竖臂(32)连接,并至少一端的连接为可转动的连接;第一探测臂(34),与所述连接臂(33)固定连接;和第二探测臂(35),与所述连接臂(33)或所述第一探测臂(34)可转动地连接;其中,所述多个探测器(50)分别安装在所述第一探测臂(34)和所述第二探测臂(35)上;所述控制器(90)还被配置为在驱动所述臂架(30)相对于所述第一车体(10)转动之前,控制所述第二探测臂(35)向靠近所述连接臂(33)或者所述第二探测臂(35)一侧收合。
- 根据权利要求12所述的可行走式安全检查设备,其中,所述连接臂(33)呈L型。
- 根据权利要求1所述的可行走式安全检查设备,还包括:防护墙,设置在所述第一车体(10)和所述第二车体(20)中的至少一个上。
- 一种基于权利要求1~14任一所述的可行走式安全检查设备的控制方法,包括:在检查工况下,对所述第一驱动轮(60)和所述第二驱动轮(70)的转速和转向角进行控制,以实现所述可行走式安全检查设备的直线行走、自转和平移运动中的至少一种。
- 根据权利要求15所述的控制方法,还包括:在从检查工况切换到转场工况或者运输工况时,控制所述臂架(30)相对于第二车体(20)转动,带动所述第一车体(10)相对于所述第二车体(20)运动,以调整所述第一车体(10)和所述第二车体(20)在第一方向和与所述第一方向垂直的第二方向上的相对位置,所述第一方向与所述可行走式安全检查设备的扫描通道平行。
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