WO2019144961A1 - 车辆输送装置及扫描检查系统 - Google Patents

车辆输送装置及扫描检查系统 Download PDF

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Publication number
WO2019144961A1
WO2019144961A1 PCT/CN2019/073483 CN2019073483W WO2019144961A1 WO 2019144961 A1 WO2019144961 A1 WO 2019144961A1 CN 2019073483 W CN2019073483 W CN 2019073483W WO 2019144961 A1 WO2019144961 A1 WO 2019144961A1
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WIPO (PCT)
Prior art keywords
vehicle
conveying
lock member
conveying plate
plate
Prior art date
Application number
PCT/CN2019/073483
Other languages
English (en)
French (fr)
Inventor
王强强
李荐民
宋全伟
何远
李玉兰
史俊平
李元景
李洪旗
孟辉
陈志强
宗春光
周合军
张丽
Original Assignee
同方威视技术股份有限公司
清华大学
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 同方威视技术股份有限公司, 清华大学 filed Critical 同方威视技术股份有限公司
Priority to EP19743982.1A priority Critical patent/EP3744664B1/en
Publication of WO2019144961A1 publication Critical patent/WO2019144961A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S13/00—Vehicle-manoeuvring devices separate from the vehicle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G35/00—Mechanical conveyors not otherwise provided for
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D65/00—Designing, manufacturing, e.g. assembling, facilitating disassembly, or structurally modifying motor vehicles or trailers, not otherwise provided for
    • B62D65/02—Joining sub-units or components to, or positioning sub-units or components with respect to, body shell or other sub-units or components
    • B62D65/022—Transferring or handling sub-units or components, e.g. in work stations or between workstations and transportation systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D65/00—Designing, manufacturing, e.g. assembling, facilitating disassembly, or structurally modifying motor vehicles or trailers, not otherwise provided for
    • B62D65/02—Joining sub-units or components to, or positioning sub-units or components with respect to, body shell or other sub-units or components
    • B62D65/18—Transportation, conveyor or haulage systems specially adapted for motor vehicle or trailer assembly lines
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D21/00—Measuring or testing not otherwise provided for
    • 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

Definitions

  • the present disclosure relates to the field of conveying machinery, and in particular to a vehicle conveying device and a scanning inspection system.
  • the conveying device in the fixed scanning inspection system for large cargo vehicles mainly has three structural forms: a flatbed conveying structure, a wire rope drag structure and a wheel structure.
  • the inventor has recognized that for a conveying device using a flatbed conveying structure, the inspected vehicle is completely parked on the flatbed, the flatbed has its own driving mechanism, and the flatbed moves by itself through the scanning area to complete the inspection, which can drive the front of the inspected vehicle. Row or retreat, but the civil engineering of the flatbed conveyor is large; and the flatbed has a certain height from the ground, it takes a certain time to place the vehicle on the flatbed, it is difficult to achieve the double-car relay, and the passing rate is low; Cannot be used as a channel when not scanning.
  • the front and rear ends of the dragging trolley are respectively connected with a steel wire rope, and the steel wire rope is arranged around the wire rope tensioning mechanism located at the front and rear ends of the inspection channel, and the two ends can be changed by the action of the wire rope tensioning mechanism.
  • the length of the wire rope so that the dragging car reciprocates in the inspection channel, thereby driving the vehicle to be reciprocated.
  • this structure can also drive the vehicle to be moved forward or backward, the motion stability is poor, and the dual-vehicle relay cannot be used.
  • the pass rate is low, and it cannot be used as a channel when not scanning.
  • the front wheel of the inspected vehicle is hugged and lifted off the ground, thereby dragging the inspected vehicle through the scanning area.
  • the walking track and the drag car are all set on the ground, and the height of the drag car is nearly 1.1 meters, and the vehicle to be inspected during the horizontal scanning. There is more; the other is to set the walking track and the dragging car in the underground, so that although the setting does not block the vehicle to be inspected, the civil engineering is very large and costly.
  • these two types of conveyors can only drive the vehicle to be inspected. When the vehicle is retracted, it cannot guarantee that the vehicle will travel in a straight line. If it is skewed, it will hit other objects in the channel and cause damage to other objects.
  • Embodiments of the present disclosure provide a vehicle transport device and a scan inspection system such that the vehicle transport device can both drive the vehicle to be inspected and the vehicle to be retracted.
  • a vehicle conveying device comprising a conveying plate and a traction device, the conveying plate being connectable or disconnectable from the traction device, the traction device capable of driving the vehicle forward when the conveying plate is disconnected from the traction device Or the vehicle is towed onto the conveying plate; when the conveying plate is connected with the traction device and the vehicle is placed on the conveying plate, the traction device can drive the conveying plate to advance or retreat, thereby realizing the forward or backward movement of the vehicle.
  • the upper surface of the transport plate is substantially flush with the ground.
  • the traction device includes a carrier body for lifting the wheel of the vehicle, and a lifting mechanism for driving the roller body to rise to drive the wheel up and after the wheel is raised
  • the vehicle is driven by the traction device to advance or tow the vehicle onto the conveying plate; or the lifting mechanism is used to drive the roller body to descend to drive the wheel to fall when the vehicle is placed on the conveying plate.
  • the traction device includes a walking track, a vehicle body, and a cantilever, the vehicle body can travel along the walking track, the cantilever is mounted on the vehicle body and arranged along a direction parallel to the walking track, the carrier body and the lifting mechanism Connected to the ends of the cantilever.
  • the traction device comprises two sets, the two sets of traction devices being arranged side by side to form a passage for the passage of the vehicle between the two sets of traction devices, the vehicle transport device further comprising a door frame, the door frame being connected to the two sets of traction Between devices.
  • the transport plate is provided with a connector
  • the traction device includes a locking mechanism for locking or unlocking the connector to effect connection or disconnection of the transport plate to the traction device.
  • the connector is disposed on a side of the transport plate
  • the traction device is disposed on a side of the connector away from the transport plate
  • the locking mechanism includes a first lock member and a second lock member, an inertial impact on the connector
  • the first locking member can be pressed down to enable the connecting member to move between the first locking member and the second locking member over the first locking member, the first locking member being further capable of after the connecting member leaves the first locking member Raised to limit movement of the connector by the first lock and the second lock.
  • the locking mechanism further includes a first link set, a second link set, and a drive member, the first link set is coupled to the first lock member, and the second link set is coupled to the second lock member
  • the driving member is configured to drive the movement of the first link group and the second link group to drive the first lock member and the second lock member to rise to achieve a restriction on the connecting member; or to drive the first lock member and the first lock member The two locks are dropped to relieve the restriction on the connector.
  • an elastic member is disposed between the first lock member and the first link set.
  • the vehicle delivery device further includes a guiding mechanism for guiding movement of the delivery plate.
  • the guide mechanism includes a guide wheel and a guide rail that guides the transport plate by the interaction of the guide wheel and the guide rail.
  • the vehicle transport device further includes a walking track, the traction device travels along the walking track, the guiding wheel is disposed on the bottom surface of the conveying plate, and the upper surface of the conveying plate is substantially flush with the ground, and is dug downward from the ground.
  • the vehicle delivery device further includes a rolling support structure mounted below the delivery plate to support the delivery plate, and the delivery plate is movable relative to the ground by rolling of the rolling support structure.
  • a dimple is dug down from the ground and a rolling support structure is disposed within the dimple.
  • a scanning inspection system includes a detection channel, a radiation source, a detector, and a vehicle delivery device as described above, the vehicle delivery device for driving the vehicle to advance or retreat along the detection channel, and the radiation source for emission A ray that can penetrate the vehicle, the detector is used to receive radiation transmitted through the vehicle to enable scanning inspection of the vehicle.
  • a scanning inspection system comprising:
  • the traction device is detachably connected to the conveying plate so as to have a connection state connected to the conveying plate and a disconnecting state disconnected from the conveying plate; in the disconnected state, the traction device is used to drive the vehicle through the detecting channel, Or pulling the vehicle onto the conveying plate; in the connected state, the traction device is used to drive the conveying plate to drive the vehicle on the conveying plate to pass through the detecting passage.
  • the embodiment of the present disclosure adopts a combined structure of a conveying plate and a traction device, and the conveying plate and the traction device can be connected or disconnected.
  • the vehicle can be driven by the traction device.
  • the vehicle can be pulled onto the conveying plate; after the vehicle is towed onto the conveying plate, and the conveying plate is connected with the traction device, the conveying device can drive the conveying plate to advance or retreat, thereby realizing the forward or backward movement of the vehicle to meet the needs of the vehicle.
  • the returned demand and when the vehicle is retracted, the vehicle is placed on the transporting plate to ensure that the vehicle retreats according to the preset route to prevent collision with other objects.
  • FIG. 1 is a front elevational view of one embodiment of a vehicle delivery device of the present disclosure.
  • Figure 2 is a plan view of the vehicle transport device of the embodiment of Figure 1.
  • FIG 3 is a schematic structural view of the first lock member and the second lock member in a first state in an embodiment of the vehicle delivery device of the present disclosure.
  • FIG 4 is a schematic structural view of the first lock member and the second lock member in a second state in one embodiment of the vehicle delivery device of the present disclosure.
  • FIG. 5 is a structural schematic view showing the first lock member and the second lock member in a third state in an embodiment of the vehicle conveying device of the present disclosure.
  • FIG. 6 is a schematic structural view of the first lock member and the second lock member in a fourth state in one embodiment of the vehicle delivery device of the present disclosure.
  • Vehicle 20, traction device; 30, conveying plate; 40, gantry;
  • the vehicle delivery device includes a delivery plate 30 and a traction device 20 that can be coupled or disconnected from the traction device 20 Connection, when the transport plate 30 is disconnected from the traction device 20, the traction device 20 can drive the vehicle 10 forward or pull the vehicle 10 onto the transport plate 30; the transport plate 30 is coupled to the traction device 20 and the vehicle 10 is placed on the transport plate At 30, the traction device 20 can drive the transport plate 30 forward or backward to effect advancement or retreat of the vehicle 10.
  • a combination of the transport plate 30 and the traction device 20 is employed, and the transport plate 30 and the traction device 20 can be connected or disconnected, and when the transport plate 30 is disconnected from the traction device 20, the traction device 20 is passed.
  • the vehicle 10 can be driven forward, or the vehicle 10 can be pulled onto the transport plate 30; after the vehicle 10 is pulled onto the transport plate 30, and the transport plate 30 is coupled to the traction device 20, the transport plate 30 can be driven by the traction device 20. Advancing or retreating to achieve the forward or reverse of the vehicle 10 to meet the needs of the vehicle to return.
  • the conveying plate 30 itself is not powered, and after the conveying plate 30 is connected to the pulling device 20, the conveying plate 30 can be moved by the pulling device 20.
  • the transport plate 30 may or may not participate.
  • the traction device 20 can still independently drive the vehicle 10 forward; when the transport plate 30 is coupled to the traction device 20, and the vehicle 10 is placed on the transport plate 30, the traction device 20 The vehicle 10 can be driven to advance by driving the transport plate 30 forward.
  • the transport plate 30 When the vehicle 10 needs to be retracted, the transport plate 30 needs to be driven by the traction device 20 to drive the transport plate 30 backward to drive the vehicle 10 to retreat; and when the vehicle 10 is retracted, the vehicle 10 is placed on the transport plate 30 to ensure that the vehicle 10 is preset.
  • the route (such as a straight line) retreats to prevent collisions with other objects.
  • the transport plate 30 driving the vehicle 10 to advance or retreat, the stability and reliability of the movement of the vehicle 10 can be improved.
  • the upper surface of the conveying plate 30 is substantially flush with the ground, that is, the upper surface of the conveying plate 30 may be flush with the ground, or may be slightly higher than the ground, or slightly lower than the ground.
  • the distance between the upper surface of the conveying plate 30 and the ground is ⁇ 10 cm.
  • the traction device 20 includes a carrier body 21 for fixing the wheel 11 of the vehicle 10, and a lifting mechanism for driving the roller body 21 to rise, to drive the wheel 11 to lift up, and at the wheel 11 is lifted to drive the vehicle 10 forward or to pull the vehicle 10 onto the transport plate 30 by the traction device 20; or, the lifting mechanism is used to drive the roller body 21 to descend to drive the wheel 11 when the vehicle 10 is placed on the transport plate 30. fall.
  • the wheels 11 of the vehicle 10 can be fixed to effect traction of the vehicle 10, to drive the vehicle 10 forward or to pull the vehicle 10 onto the transport plate 30.
  • the wheel 11 can be lowered after the vehicle 10 is pulled onto the conveying plate 30, so that the vehicle 10 is smoothly placed on the conveying plate 30.
  • the carrier body 21 can still secure the vehicle 10 to prevent the vehicle 10 from moving relative to the transport plate 30.
  • the traction device 20 includes a walking rail, a vehicle body and a cantilever, the vehicle body can travel along the walking rail, the cantilever is mounted on the vehicle body and arranged along a direction parallel to the walking rail, and the supporting wheel body 21 and the lifting mechanism are respectively connected Both ends of the cantilever.
  • This arrangement can reduce the occlusion of the vehicle 10 to be inspected.
  • the occlusion height of the structure of the vehicle to be inspected is the set height of the wheel body 21 (about 420 mm), which can well avoid the scanning inspection. The effect of imaging and imaging range.
  • the traction device 20 comprises two sets, and the two sets of traction devices 20 are arranged side by side to form a passage between the two sets of traction devices 20 for the passage of the vehicle 10.
  • the vehicle conveying device further comprises a door frame 40, and the door frame 40 is connected to the two. Between the traction devices 20.
  • the gantry 40 By providing the gantry 40, the force balance of the roller body 21 can be maintained when the carrier body 21 lifts the vehicle 10.
  • the use of the gantry 40 connection also reduces the balance rail and simplifies equipment installation.
  • the traction device 20 and the gantry 40 constitute a gantry type trailer device.
  • This type of structure is highly adaptable. By replacing the gantry 40 having different widths, a plurality of different widths of the detection channel can be accommodated, and the structure of the traction device 20 is not required. Too big a change.
  • the traction device 20 and the gantry 40 are all disposed on the ground, and no complicated civil works are required, which can save costs.
  • the roller body 21 includes two fork arms that are rotatable relative to the vehicle body.
  • the two fork arms are rotated in a direction perpendicular to the walking track to fix the wheel 11 on the vehicle 10; when the wheel 11 is not required to be fixed, the two fork arms are rotated parallel to the walking track In the direction of the vehicle, to avoid interference with the advancement of the vehicle 10, it can be used as a passage when not scanning.
  • the conveying plate 30 is provided with a connecting member 33
  • the pulling device 20 includes a locking mechanism 22 for locking or unlocking the connecting member 33 to connect or disconnect the conveying plate 30 and the traction device 20. Open the connection.
  • the connecting member 33 is disposed on the side of the conveying plate 30, the pulling device 20 is disposed on the side of the connecting member 33 away from the conveying plate 30, and the locking mechanism 22 includes the first locking member 221 And the second lock member 222, under the inertial impact of the connecting member 33, the first lock member 221 can be depressed to enable the connecting member 33 to move over the first lock member 221 to the first lock member 221 and the second lock member Between 222, the first lock member 221 can also be raised after the connector 33 leaves the first lock member 221 to restrict the movement of the link member 33 by the first lock member 221 and the second lock member 222.
  • the inertial movement of the connecting member 33 forms an impact on the first lock member 221, and the first lock member 221 is impacted.
  • the second locking member 222 is fixedly disposed when the connecting member 33 reaches the second locking member 222, and the second locking member 222 is configured to provide a condition for the continued movement of the connecting member 33 relative to the traction device 20.
  • the blocking connector 33 continues to move while the first locking member 221 has been raised to return to the blocking position, so that the connecting member 33 can be restrained by the first locking member 221 and the second locking member 222 at the first locking member 221 and the first Within the gap formed between the two lock members 222, optionally, the first lock member 221 and the second lock member 222 can clamp both sides of the link member 33, effectively preventing further movement of the link member 33, that is, the transport plate 30.
  • the first locking member 221 and the second locking member 222 may be triangular-shaped bumps, and the connecting member 33 may be a rod-shaped structure having an inverted trapezoidal cross section, the connecting member 33 and the first locking member 221 and the second locking member.
  • the faces that are in contact with each other 222 are inclined faces. This arrangement enables the first lock member 221 to be more easily depressed and overtaken when subjected to an impact.
  • the locking mechanism 22 further includes a first link set 223, a second link set 224 and a driving member, the first link set 223 is coupled to the first lock member 221, and the second link set 224 and the second lock member 222 is connected, the driving member is configured to drive the movement of the first link set 223 and the second link set 224 to drive the first lock member 221 and the second lock member 222 to rise to achieve the restriction on the connecting member 33; or The first lock member 221 and the second lock member 222 are driven to fall to release the restriction on the connecting member 33.
  • the blocking states of the first lock member 221 and the second lock member 222 can be adjusted.
  • the first link set 223 and the second link set 224 may include one link, and may also include two or more links. In the embodiment shown in Figures 3-6, the first link set 223 and the second link set 224 each include two links. Wherein the longer first link of the first link set 223 and the longer second link of the second link set 224 are connected to the disc, and the driving member can realize the rotation by driving the disc A lock member 221 and a second lock member 222 are raised and lowered.
  • an elastic member such as a spring is disposed between the first lock member 221 and the first link group 223.
  • the first lock member 221 can be depressed when subjected to an impact and automatically raised when the connector member 33 passes over the first lock member 221.
  • the vehicle conveying device further includes a guiding mechanism for guiding the movement of the conveying plate 30.
  • a guiding mechanism for guiding the movement of the conveying plate 30.
  • the guiding mechanism includes a guide wheel 31 and a guide rail, and the guiding of the conveying plate 30 is achieved by the mutual cooperation of the guiding wheel 31 and the guide rail.
  • the vehicle conveying device further includes a walking track, the pulling device 20 travels along the traveling track, and the guiding wheel 31 is disposed on the bottom surface of the conveying plate 30.
  • the upper surface of the conveying plate 30 is substantially flush with the ground, and is dug downward from the ground.
  • a guide passage disposed in parallel with the traveling rail, the guide wheel 31 and the guide rail are located in the guide passage.
  • the conveying plate 30 is disposed at a position substantially flush with the ground, the height of the conveying plate 30 can be reduced as much as possible, the difficulty of pulling the vehicle 10 onto the conveying plate 30 can be reduced, and the vehicle conveying device can be minimized to the inspected vehicle 10
  • the occlusion area avoids the impact on imaging during scanning inspections.
  • the guide wheel 31 and the guide rail are disposed in the guide passage, that is, the guide wheel 31 and the guide rail are located below the ground, and support can be provided for placing the transport flat plate 30 on the ground.
  • the vehicle transport apparatus further includes a rolling support structure mounted below the transport plate 30 to support the transport plate 30, and the transport plate 30 is movable relative to the ground by rolling of the rolling support structure.
  • a rolling support structure mounted below the transport plate 30 to support the transport plate 30, and the transport plate 30 is movable relative to the ground by rolling of the rolling support structure.
  • the rolling support structure may include a bearing 32 and a bearing seat, the bearing 32 is mounted on the bearing housing, and the conveying plate 30 is mounted above the bearing 32, and the rotation of the bearing 32 relative to the bearing mounting seat can drive the conveying plate 30 relative to Ground movement.
  • a dimple is dug downward from the ground, and the rolling support structure is disposed in the dimple.
  • This arrangement can also provide support for placing the transport plate 30 on the ground, reducing the mounting height of the transport plate 30 and reducing occlusion of the vehicle being inspected.
  • the above-mentioned dimples may be the above-mentioned guide passages, that is, the rolling support structure may be directly disposed in the guide passage for mounting the guide wheels 31.
  • the dimples are not limited to the guide passages, and the dimples may be disposed at other positions independently of the guide passages, and the dimples may include a plurality of dimples which may be independently provided or may communicate with each other to form a passage.
  • the vehicle conveying device in each of the above embodiments can be used to transport large cargo vehicles, and is particularly suitable for use in a stationary radiation scanning inspection system or a CT scanning inspection system.
  • the present disclosure also provides a scanning inspection system including a detection channel, a radiation source, a detector, and the above-described vehicle delivery device for driving the vehicle 10 Advancing or retreating along the detection channel, the radiation source is used to emit radiation that is capable of penetrating the vehicle 10, and the detector is configured to receive radiation transmitted through the vehicle 10 to effect a scan inspection of the vehicle 10.
  • the radiation source and the detector may be disposed opposite to each other on the left and right sides of the vehicle 10 to achieve horizontal scanning; the radiation source and the detector may also be disposed above and below the vehicle 10 to achieve vertical scanning.
  • the vehicle conveying device is applied to a scanning inspection system for conveying the vehicle 10 to be inspected.
  • the vehicle transport device includes a traction device 20, a transport plate 30, and a gantry 40.
  • the gantry 40 is coupled between the two sets of traction devices 20.
  • the traction device 20 is disposed on the ground, and the gantry type drag device is formed by the gantry 40, and the traction device 20 can be advanced or retracted.
  • the traction device 20 includes a traveling rail, a vehicle body, a cantilever, a roller body 21, a lifting mechanism and a locking mechanism 22, the vehicle body can travel along the traveling track, the cantilever is mounted on the inner side of the vehicle body, and the cantilever is parallel to the traveling track.
  • the roller body 21 is coupled to both ends of the cantilever in a direction parallel to the traveling rail, and the locking mechanism 22 is mounted on the inner side of the vehicle body and disposed on a side of the cantilever that is away from the roller body 21.
  • a guide wheel 31 is arranged on the bottom surface of the conveying plate 30, and a guiding passage is arranged downward from the ground.
  • a guide rail is arranged in the guiding passage. The movement of the conveying plate 30 can be guided by the cooperation of the guiding wheel 31 and the guiding rail.
  • a bearing 32 and a bearing housing are provided in the recess in the guide passage or otherwise provided, and the conveying plate 30 can be moved relative to the ground by the rolling of the bearing 32.
  • the side of the conveying plate 30 is provided with a connecting member 33, and the conveying plate 30 and the pulling device 20 can be connected by a connecting member 33 and a locking mechanism 22.
  • the locking mechanism 22 includes a first lock member 221, a second lock member 222, a first link set 223 coupled to the first lock member 221, a second link set 224 coupled to the second lock member 222, and a drive member.
  • the driving of the first link set 223 and the second link set 224 by the driving member can drive the first lock member 221 and the second lock member 222 to rise or fall.
  • a spring is disposed between the first lock member 221 and the first link group 223, and even if the first lock member 221 is in the raised state, it is depressed when subjected to an impact.
  • the second lock member 222 is rigidly coupled to the second link set 224, and is capable of blocking the link member 33 when the second lock member 222 is in the raised state.
  • the first lock member 221 and the second lock member 222 are in a raised state, that is, the support platform for supporting the connecting member 33 is exposed; It is shown that when the conveying plate 30 is moved to a position close to the locking mechanism 22, the connecting member 33 causes the first locking member 221 to be depressed, that is, retracted under the supporting platform, so that the connecting member 33 passes over the first due to the inertial impact.
  • the locking member 221 reaches the second locking member 222 and is blocked by the second locking member 222; as shown in FIG. 5, after the connecting member 33 passes over the first locking member 221, the first locking member 221 is raised by the spring force.
  • the first lock member 221 and the second lock member 222 clamp the connecting member 33 tightly; as shown in FIG. 6, when the disconnection is required, the first link set 223 and the second link set are driven by the drive member.
  • the disc of 224 is rotated such that the first lock member 221 and the second lock member 222 are retracted, i.e., retracted below the surface of the support platform to release the attachment member 33 to disengage the transport plate 30 from the traction device 20.
  • the transporting plate 30 When the vehicle 10 to be inspected is transported, the transporting plate 30 may be disposed in advance downstream of the detecting passage, and the conveying plate 30 and the pulling device 20 are in an unconnected state, and when the inspected vehicle 10 reaches the upstream of the detecting passage, the pulling device 20 moves to be close to The position of the vehicle 10 to be inspected, the front wheel of the vehicle 10 is clamped by the carrier body 21, and the wheel 11 is lifted by the lifting mechanism, and the vehicle 10 can be pulled forward by the traction device 20, and the scanning inspection is completed when passing through the detection passage.
  • the vehicle 10 needs to return to re-examine or return to perform CT inspection, at this time, the vehicle 10 is located downstream of the detection channel, and is towed by the traction device 20 onto the conveying plate 30, and the conveying plate 30 can be connected by the connecting member 33 and the locking mechanism 22.
  • the traction device 20 is connected, that is, the conveying plate 30 is integrated with the traction device 20, and the driving device 30 can drive the conveying plate 30 to retreat, thereby driving the inspected vehicle 10 to retreat and performing the next scanning inspection.
  • the initial position of the transporting plate 30 can be flexibly set. In addition to being disposed downstream of the detecting channel, it can also be disposed upstream of the detecting channel, so that the vehicle 10 can be retracted for convenience.
  • the conveying plate 30 is connected to the traction device 20, and the vehicle 10 is driven forward by the advancement of the conveying plate 30, and the vehicle 10 is retracted by the retreat of the conveying plate 30 when retracting, so that the operation is more convenient. .
  • the disclosed vehicle delivery device and scanning inspection system embodiments have at least one or more of the following advantages:
  • connection and disconnection of the conveying plate and the traction device are convenient to realize the forward and backward movement of the vehicle; the realization of the backward function can make the overall structure more compact and effectively reduce the floor space. ;
  • the traction device adopts a gantry-type trailer device that blocks less the vehicle to be inspected, which can reduce the influence on the imaging effect and imaging range, and can also reduce civil engineering and save costs;
  • the conveying plate is set at a level substantially flush with the ground, which can realize the double-car relay and effectively improve the passing rate.

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Abstract

一种车辆输送装置及扫描检查系统，其中车辆输送装置包括输送平板（30）和牵引装置（20），输送平板（30）能够与牵引装置（20）连接或断开连接，在输送平板（30）与牵引装置（20）断开连接时，牵引装置（20）能够带动车辆（10）前进或将车辆（10）牵引至输送平板（30）上；在输送平板（30）与牵引装置（20）连接且车辆（10）置于输送平板（30）上时，牵引装置（20）能够带动输送平板（30）前进或后退，从而实现车辆（10）的前进或后退。该车辆输送装置及扫描检查系统使整体结构更加紧凑，有效减小占地面积。

Description

车辆输送装置及扫描检查系统
本申请是以中国申请号为201810075149.4，申请日为2018年1月26日的申请为基础，并主张其优先权，该中国申请的公开内容在此作为整体引入本申请中。
技术领域
本公开涉及输送机械技术领域，尤其涉及一种车辆输送装置及扫描检查系统。
背景技术
目前，用于大型货物车辆的固定式扫描检查系统中的输送装置主要有三种结构形式：平板车输送结构、钢丝绳拖动结构和抱轮结构。
发明人认识到，对于采用平板车输送结构的输送装置，被检车辆完全停放在平板车上，平板车自带驱动机构，平板车自行运动通过扫描区域以完成检查，这种输送方式虽然能够带动被检车辆前行或后退，但平板车输送装置的土建工程较大；而且平板车距离地面有一定的高度，将车辆放置到平板车上需要耗费一定的时间，很难实现双车接力，通过率较低；另外，在不扫描时不能作为通道使用。
对于采用钢丝绳拖动结构的输送装置，拖动小车的前后两端分别连接有钢丝绳，钢丝绳环绕设置在位于检查通道内前后两端的钢丝绳张紧机构上，通过钢丝绳张紧机构的作用能够改变两端钢丝绳的长度，从而使拖动小车在检查通道内做往复运动，进而带动被检车辆做往复运动。这种结构虽然也能够带动被检车辆前行或后退，但运动稳定性差，也无法实现双车接力使用，通过率较低，而且在不扫描时也不能作为通道使用。
对于采用抱轮结构的输送装置，被检车前轮被抱住并举升离开地面，从而拖动被检车辆通过扫描区域。目前，应用抱轮结构的输送装置主要有两类，一类是行走轨道和拖动小车均设置在地面之上，而拖动小车的高度近1.1米，在水平扫描时对被检车辆的遮挡较多；另一类是将行走轨道和拖动小车均设置在地下，这样设置虽然不遮挡被检车辆，但土建非常庞大，成本高。另外，这两类输送装置只能带动被检车辆前行，后退时无法保证车辆沿直线行走，如果发生歪斜还会撞到通道内的其他物体，造成其他物体的损坏。
需要说明的是，公开于本公开背景技术部分的信息仅仅旨在增加对本公开的总体 背景的理解，而不应当被视为承认或以任何形式暗示该信息构成已为本领域技术人员所公知的现有技术。
发明内容
本公开实施例提出一种车辆输送装置及扫描检查系统，以使车辆输送装置既能够带动被检车辆前进，也能够带动被检车辆后退。
根据本公开的一个方面，提出一种车辆输送装置，包括输送平板和牵引装置，输送平板能够与牵引装置连接或断开连接，在输送平板与牵引装置断开连接时，牵引装置能够带动车辆前进或将车辆牵引至输送平板上；在输送平板与牵引装置连接且车辆置于输送平板上时，牵引装置能够带动输送平板前进或后退，从而实现车辆的前进或后退。
在一个/一些实施例中，输送平板的上表面与地面大致平齐。
在一个/一些实施例中，牵引装置包括托轮体和升降机构，托轮体用于固定车辆的车轮，升降机构用于驱动托轮体上升，以带动车轮抬起，并在车轮抬起后通过牵引装置带动车辆前进或将车辆牵引至输送平板上；或者，升降机构用于驱动托轮体下降，以在车辆置于输送平板上时带动车轮落下。
在一个/一些实施例中，牵引装置包括行走轨道、车体和悬臂，车体能够沿行走轨道行走，悬臂安装在车体上且沿着与行走轨道平行的方向布置，托轮体和升降机构分别连接在悬臂的两端。
在一个/一些实施例中，牵引装置包括两套，两套牵引装置并排设置以在两套牵引装置之间形成供车辆通过的通道，车辆输送装置还包括门架，门架连接在两套牵引装置之间。
在一个/一些实施例中，输送平板上设有连接件，牵引装置包括锁定机构，锁定机构用于对连接件进行锁定或解除锁定，以实现输送平板与牵引装置的连接或断开连接。
在一个/一些实施例中，连接件设置在输送平板的侧面，牵引装置设置在连接件的远离输送平板的一侧，锁定机构包括第一锁件和第二锁件，在连接件的惯性冲击作用下第一锁件能够被下压以使连接件能够越过第一锁件而运动至第一锁件和第二锁件之间，第一锁件还能够在连接件离开第一锁件后升起，以通过第一锁件和第二锁件限制连接件的运动。
在一个/一些实施例中，锁定机构还包括第一连杆组、第二连杆组和驱动件，第一连杆组与第一锁件连接，第二连杆组与第二锁件连接，驱动件用于驱动第一连杆组和第二连杆组运动，以带动第一锁件和第二锁件升起，以实现对连接件的限制作用；或者带动第一锁件和第二锁件落下，以解除对连接件的限制作用。
在一个/一些实施例中，第一锁件与第一连杆组之间设有弹性件。
在一个/一些实施例中，车辆输送装置还包括导向机构，导向机构用于对输送平板的运动进行导向。
在一个/一些实施例中，导向机构包括导向轮和导轨，通过导向轮与导轨的相互配合实现对输送平板的导向。
在一个/一些实施例中，车辆输送装置还包括行走轨道，牵引装置沿行走轨道行走，导向轮设置在输送平板的底面上，输送平板的上表面与地面大致平齐，自地面向下挖设有与行走轨道平行设置的导向通道，导向轮和导轨位于导向通道内。
在一个/一些实施例中，车辆输送装置还包括滚动支撑结构，滚动支撑结构安装在输送平板下方，以对输送平板进行支撑，且输送平板能够通过滚动支撑结构的滚动而相对于地面移动。
在一个/一些实施例中，自地面向下挖设有凹坑，滚动支撑结构设置在凹坑内。
根据本公开的另一个方面，提出一种扫描检查系统，包括检测通道、射线源、探测器和上述的车辆输送装置，车辆输送装置用于驱动车辆沿检测通道前进或后退，射线源用于发射能够穿透车辆的射线，探测器用于接收透过车辆的射线，以实现对车辆的扫描检查。
根据本公开的又一个方面，提出一种扫描检查系统，包括：
检测通道；
输送平板，布置在检测通道中；和
牵引装置，与输送平板可断开地相连，从而具有与输送平板连接的连接状态和与输送平板断开连接的断开状态；在断开状态下，牵引装置用于带动车辆穿过检测通道，或将车辆牵引至输送平板上；在连接状态下，牵引装置用于带动输送平板以便带动位于输送平板上的车辆穿过检测通道。
基于上述技术方案，本公开实施例采用输送平板和牵引装置组合结构，输送平板和牵引装置能够连接或断开连接，在输送平板与牵引装置断开连接时，通过牵引装置可以带动车辆前进，也可以将车辆牵引到输送平板上；在将车辆牵引到输送平板上后， 并且输送平板与牵引装置连接时，通过牵引装置可以带动输送平板前进或后退，从而实现车辆的前进或后退，满足车辆需要返回的需求；而且在后退时车辆放置于输送平板上，可以保证车辆按照预设的路线后退，防止与其他物体发生碰撞。
通过以下参照附图对本公开的示例性实施例的详细描述，本公开的其它特征及其优点将会变得清楚。
附图说明
为了更清楚地说明本公开实施例或相关技术中的技术方案，下面将对实施例或相关技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本公开的实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据提供的附图获得其他的附图。
图1为本公开车辆输送装置一个实施例的主视图。
图2为图1实施例中车辆输送装置的俯视图。
图3为本公开车辆输送装置一个实施例中第一锁件和第二锁件处于第一状态的结构示意图。
图4为本公开车辆输送装置一个实施例中第一锁件和第二锁件处于第二状态的结构示意图。
图5为本公开车辆输送装置一个实施例中第一锁件和第二锁件处于第三状态的结构示意图。
图6为本公开车辆输送装置一个实施例中第一锁件和第二锁件处于第四状态的结构示意图。
图中：
10、车辆；20、牵引装置；30、输送平板；40、门架；
11、车轮；21、托轮体；22、锁定机构；31、导向轮；32、轴承；33、连接件；221、第一锁件；222、第二锁件；223、第一连杆组；224、第二连杆组。
具体实施方式
下面将结合本公开实施例中的附图，对实施例中的技术方案进行清楚、完整地描述。显然，所描述的实施例仅仅是本公开的一部分实施例，而不是全部的实施例。基于本公开的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有 其他实施例，都属于本公开保护的范围。
在本公开的描述中，需要理解的是，术语“中心”、“横向”、“纵向”、“前”、“后”、“左”、“右”、“上”、“下”、“竖直”、“水平”、“顶”、“底”、“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本公开和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本公开保护范围的限制。
在本公开的描述中，需要理解的是，术语“中心”、“横向”、“纵向”、“前”、“后”、“左”、“右”、“上”、“下”、“竖直”、“水平”、“顶”、“底”、“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本公开和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本公开保护范围的限制。
参考图1和图2所示，在本公开所提供的车辆输送装置的一个示意性实施例中，车辆输送装置包括输送平板30和牵引装置20，输送平板30能够与牵引装置20连接或断开连接，在输送平板30与牵引装置20断开连接时，牵引装置20能够带动车辆10前进或将车辆10牵引至输送平板30上；在输送平板30与牵引装置20连接且车辆10置于输送平板30上时，牵引装置20能够带动输送平板30前进或后退，从而实现车辆10的前进或后退。
在上述示意性实施例中，采用输送平板30和牵引装置20组合结构，输送平板30和牵引装置20能够连接或断开连接，在输送平板30与牵引装置20断开连接时，通过牵引装置20可以带动车辆10前进，也可以将车辆10牵引到输送平板30上；在将车辆10牵引到输送平板30上后，并且输送平板30与牵引装置20连接时，通过牵引装置20可以带动输送平板30前进或后退，从而实现车辆10的前进或后退，满足车辆需要返回的需求。
在上述示意性实施例中，输送平板30自身不带动力，输送平板30与牵引装置20连接后，可以通过牵引装置20带动输送平板30移动。当需要使车辆10前进时，输送平板30可以参与进来，也可以不参与进来。当输送平板30与牵引装置20断开连接时，牵引装置20仍能够独立地带动车辆10前进；当输送平板30与牵引装置20连接时，且车辆10置于输送平板30上时，牵引装置20可以通过驱动输送平板30前进而带动车辆10前进。当需要使车辆10后退时，需要借助输送平板30，通过牵引装置20驱动输送平板30后退而带动车辆10后退；而且在后退时车辆10放置于输送平板 30上，可以保证车辆10按照预设的路线(比如直线)后退，防止与其他物体发生碰撞。
对于相关技术中的采用平板输送结构的输送装置来说，在需要后退进行重新扫描或者CT扫描时，需要设置两条或三条通道，以使平板车能够返回，但对于本公开的车辆输送装置实施例来说，由于能够方便地实现后退，仅需要设置一条通道即可，因此结构布置更加紧凑，有效减小车辆输送装置的占地面积。
通过输送平板30带动车辆10前进或后退的结构形式，可以提高车辆10运动的平稳性和可靠性。
进一步地，输送平板30的上表面与地面大致平齐，即输送平板30的上表面可以与地面平齐，也可以略高于地面，或者略低于地面。比如，输送平板30的上表面与地面之间的距离为±10cm。这样设置的好处是，尽可能地降低输送平板30的高度，使车辆10能够更加方便和快速地运动至输送平板30上。相比于相关技术中的采用平板输送结构的输送装置来说，输送平板30的设置高度降低，节省了将车辆10放置到输送平板30上的时间，可以实现双车接力，提高通过率。
可选地，牵引装置20包括托轮体21和升降机构，托轮体21用于固定车辆10的车轮11，升降机构用于驱动托轮体21上升，以带动车轮11抬起，并在车轮11抬起后通过牵引装置20带动车辆10前进或将车辆10牵引至输送平板30上；或者，升降机构用于驱动托轮体21下降，以在车辆10置于输送平板30上时带动车轮11落下。
通过设置托轮体21，可以固定车辆10的车轮11(比如前轮)，以实现对车辆10的牵引，带动车辆10前进或者将车辆10牵引至输送平板30上。通过设置升降机构，可以在将车辆10牵引至输送平板30上后，将车轮11放下，从而使车辆10平稳地放置在输送平板30上。当然，在将车辆10放置在输送平板30上之后，托轮体21仍可以对车辆10进行固定，以防止车辆10相对于输送平板30运动。
进一步地，牵引装置20包括行走轨道、车体和悬臂，车体能够沿行走轨道行走，悬臂安装在车体上且沿着与行走轨道平行的方向布置，托轮体21和升降机构分别连接在悬臂的两端。这种布置形式可以减少对被检车辆10的遮挡，这种结构设置对被检车辆10的遮挡高度为托轮体21的设置高度(约在420mm左右)，可以很好地避免扫描检查时对成像效果及成像范围的影响。
可选地，牵引装置20包括两套，两套牵引装置20并排设置以在两套牵引装置20之间形成供车辆10通过的通道，车辆输送装置还包括门架40，门架40连接在两套牵 引装置20之间。通过设置门架40，可以在托轮体21托起车辆10时，保持托轮体21的受力平衡。采用门架40连接，还可以减少平衡轨，简化设备安装。
牵引装置20与门架40构成门架式拖车装置，这种结构形式的适应性强，通过更换具有不同宽度的门架40可以适应检测通道的多种不同宽度，而牵引装置20的结构则无需太大改动。而且，牵引装置20和门架40均设置在地面上，无需复杂的土建工程，可以节约成本。
具体地，托轮体21包括两个叉臂，两个叉臂能够相对于车体旋转。在需要固定车轮11时，两个叉臂旋转到与行走轨道垂直的方向上，以对车辆10上的车轮11进行固定；在不需要固定车轮11时，两个叉臂旋转到与行走轨道平行的方向上，以避免对车辆10的前进造成干涉，在不扫描时可以作为通道使用。
可选地，输送平板30上设有连接件33，牵引装置20包括锁定机构22，锁定机构22用于对连接件33进行锁定或解除锁定，以实现输送平板30与牵引装置20的连接或断开连接。
具体来说，参考图3～图6所示，连接件33设置在输送平板30的侧面，牵引装置20设置在连接件33的远离输送平板30的一侧，锁定机构22包括第一锁件221和第二锁件222，在连接件33的惯性冲击作用下第一锁件221能够被下压以使连接件33能够越过第一锁件221而运动至第一锁件221和第二锁件222之间，第一锁件221还能够在连接件33离开第一锁件221后升起，以通过第一锁件221和第二锁件222限制连接件33的运动。
具体来说，在需要将输送平板30与牵引装置20连接时，当输送平板30到达连接位置时，连接件33的惯性运动会对第一锁件221形成撞击作用，在第一锁件221受到撞击时可以被压下，从而为连接件33相对于牵引装置20的继续运动提供条件，而当连接件33到达第二锁件222时，第二锁件222为固定设置，第二锁件222会阻挡连接件33继续运动，而此时第一锁件221已升起恢复至阻挡位置，因此通过第一锁件221和第二锁件222可以将连接件33限制在第一锁件221和第二锁件222之间形成的空隙内，可选地第一锁件221和第二锁件222可以夹紧连接件33的两侧，有效地防止连接件33即输送平板30的进一步运动。
其中，第一锁件221和第二锁件222可以为截面呈三角形的凸块，连接件33可以为截面呈倒梯形的杆状结构，连接件33与第一锁件221和第二锁件222相互接触的面为倾斜面。这样设置能够使第一锁件221在受到撞击时更容易地被压下并且被超 越。
进一步地，锁定机构22还包括第一连杆组223、第二连杆组224和驱动件，第一连杆组223与第一锁件221连接，第二连杆组224与第二锁件222连接，驱动件用于驱动第一连杆组223和第二连杆组224运动，以带动第一锁件221和第二锁件222升起，以实现对连接件33的限制作用；或者带动第一锁件221和第二锁件222落下，以解除对连接件33的限制作用。通过设置第一连杆组223和第二连杆组224，可以对第一锁件221和第二锁件222的阻挡状态进行调节。
第一连杆组223和第二连杆组224可以包括一根连杆，也可以包括两根或两根以上的连杆。在如图3～6所示的实施例中，第一连杆组223和第二连杆组224均包括两根连杆。其中，第一连杆组223中较长的第一连杆和第二连杆组224中较长的第二连杆连接在圆盘上，驱动件可以通过驱动圆盘的转动来实现使第一锁件221和第二锁件222升起和落下的目的。
可选地，第一锁件221与第一连杆组223之间设有弹性件，比如弹簧。通过设置弹性件，可以使第一锁件221在受到撞击时被压下，并在连接件33超越第一锁件221时自动升起。
为提高车辆10运动的准确性，车辆输送装置还包括导向机构，导向机构用于对输送平板30的运动进行导向。通过设置导向机构，不仅可以提高车辆10在前进时的准确性，还可以保证车辆10在后退时也能够按照预设的路线进行移动，使整个系统的工作更加可靠和安全。
具体地，如图1所示，导向机构包括导向轮31和导轨，通过导向轮31与导轨的相互配合，实现对输送平板30的导向。
进一步地，车辆输送装置还包括行走轨道，牵引装置20沿行走轨道行走，导向轮31设置在输送平板30的底面上，输送平板30的上表面与地面大致平齐，自地面向下挖设有与行走轨道平行设置的导向通道，导向轮31和导轨位于导向通道内。将输送平板30设置在与地面大致平齐的位置，可以尽量降低输送平板30的高度，降低将车辆10牵引至输送平板30上的难度，而且，还可以尽量减少车辆输送装置对被检车辆10的遮挡面积，避免对扫描检查时的成像造成影响。将导向轮31和导轨设置在导向通道内，即导向轮31和导轨位于地面之下，可以为将输送平板30设置在地面上提供支持。
可选地，车辆输送装置还包括滚动支撑结构，滚动支撑结构安装在输送平板30 下方，以对输送平板30进行支撑，且输送平板30能够通过滚动支撑结构的滚动而相对于地面移动。通过设置滚动支撑结构，可以降低输送平板30与地面之间的摩擦力，提高输送平板30的运动速度。
具体地，滚动支撑结构可以包括轴承32和轴承座，轴承32安装在轴承座上，输送平板30安装在轴承32的上方，通过轴承32相对于轴承安装座的旋转，能够驱动输送平板30相对于地面移动。
进一步地，自地面向下挖设有凹坑，滚动支撑结构设置在凹坑内。该设置也可以为将输送平板30设置在地面上提供支持，降低输送平板30的安装高度，减少对被检车辆的遮挡。
其中，上述的凹坑可以为上述的导向通道，即滚动支撑结构可以直接设置在用于安装导向轮31的导向通道内。当然，凹坑并不限于导向通道，凹坑也可以独立于导向通道而设置在其他位置，而且凹坑可以包括多个，多个凹坑可以独立设置，也可以彼此连通形成通道。
上述各个实施例中车辆输送装置可以用于输送大型货物车，特别适用于固定式辐射扫描检测系统或CT扫描检查系统中。
基于上述各个实施例中的车辆输送装置，本公开还提供了一种扫描检查系统，该扫描检查系统包括检测通道、射线源、探测器和上述的车辆输送装置，车辆输送装置用于驱动车辆10沿检测通道前进或后退，射线源用于发射能够穿透车辆10的射线，探测器用于接收透过车辆10的射线，以实现对车辆10的扫描检查。
其中，射线源和探测器可以相对地设置在车辆10的左右两侧，，以实现水平扫描；射线源和探测器也可以相对地设置在车辆10的上方和下方，以实现竖直扫描。
上述各个实施例中车辆输送装置所具有的积极技术效果同样适用于扫描检查系统，这里不再赘述。
下面结合附图1～6对本公开车辆输送装置及扫描检查系统的一个实施例的具体结构和工作过程进行说明：
如图1和图2所示，车辆输送装置应用于扫描检查系统中，用于输送被检车辆10。车辆输送装置包括牵引装置20、输送平板30和门架40。门架40连接在两套牵引装置20之间。牵引装置20设置在地面上，通过门架40形成门架式拖动装置，牵引装置20可以前进或后退。
牵引装置20包括行走轨道、车体、悬臂、托轮体21、升降机构和锁定机构22， 车体能够沿着行走轨道行走，悬臂安装在车体的内侧，悬臂沿着与行走轨道平行的方向布置，托轮体21沿着与行走轨道平行的方向分别连接在悬臂的两端，锁定机构22安装在车体的内侧，且设置在悬臂的远离托轮体21的一侧。
输送平板30的底面上设有导向轮31，自地面向下挖设有导向通道，导向通道内设有导轨，通过导向轮31与导轨的配合，可以对输送平板30的运动进行导向。导向通道内或另外设置的凹坑内设有轴承32和轴承座，输送平板30能够通过轴承32的滚动而相对于地面移动。
输送平板30的侧面设有连接件33，输送平板30与牵引装置20之间可以通过连接件33和锁定机构22连接。锁定机构22包括第一锁件221、第二锁件222、与第一锁件221连接的第一连杆组223、与第二锁件222连接的第二连杆组224和驱动件。通过驱动件驱动第一连杆组223和第二连杆组224，可以带动第一锁件221和第二锁件222升起或下落。第一锁件221与第一连杆组223之间设有弹簧，即使第一锁件221处于升起状态，当受到冲击作用时也会被压下。第二锁件222与第二连杆组224刚性连接，当第二锁件222处于升起状态时能够对连接件33进行阻挡。
如图3所示，在输送平板30与牵引装置20未连接时，第一锁件221和第二锁件222处于升起状态，即露出用于支撑连接件33的支撑平台；如图4所示，在输送平板30移动到接近锁定机构22的位置时，由于惯性冲击作用，连接件33使第一锁件221被压下，即缩回支撑平台之下，以使连接件33越过第一锁件221而到达第二锁件222，并被第二锁件222阻挡；如图5所示，连接件33越过第一锁件221之后，第一锁件221在弹簧弹力作用下升起，第一锁件221和第二锁件222将连接件33紧紧夹住；如图6所示，当需要断开连接时，通过驱动件驱动连接第一连杆组223和第二连杆组224的圆盘转动，从而使第一锁件221和第二锁件222回落，即缩回支撑平台的表面之下，以释放连接件33，使输送平板30与牵引装置20脱开。
在输送被检车辆10时，输送平板30可以预先设置在检测通道的下游，输送平板30与牵引装置20处于未连接状态，在被检车辆10到达检测通道的上游时，牵引装置20运动至靠近被检车辆10的位置，通过托轮体21将车辆10的前轮夹住，并通过升降机构将车轮11抬起，通过牵引装置20可以牵引车辆10前进，并在通过检测通道时完成扫描检查；若车辆10需要返回重新检查或者返回进行CT检查，此时车辆10位于检测通道的下游，且被牵引装置20牵引到输送平板30上，通过连接件33和锁定机构22可将输送平板30与牵引装置20连接，即输送平板30与牵引装置20成为 一体，通过牵引装置20的驱动可以带动输送平板30后退，进而带动被检车辆10后退，进行下一次的扫描检查。
其中需要说明的是，输送平板30的初始位置可以灵活设置，除了将其设置于检测通道的下游之外，也可以将其设置于检测通道的上游，这样为了方便被检车辆10的后退，可在前进时就使输送平板30与牵引装置20连接，并通过输送平板30的前进而带动车辆10前进，而在后退时也通过输送平板30的后退而带动车辆10后退即可，这样操作更加方便。
通过对本公开车辆输送装置及扫描检查系统的多个实施例的说明，可以看到本公开车辆输送装置及扫描检查系统实施例至少具有以下一种或多种优点：
1、采用输送平板和牵引装置的组合结构，通过输送平板与牵引装置的连接和断开连接，方便实现车辆的前进和后退；后退功能的实现可以使整体结构更加紧凑，有效减小占地面积；
2、牵引装置采用对被检车辆遮挡较少的门架式拖车装置，可以降低对成像效果和成像范围的影响，还可以减少土建工程，节约成本；
3、输送平板的下方设有导向机构，可以对输送平板的运动进行导向，提高车辆前进和后退的准确性，使整个系统的工作更可靠、更安全；
4、输送平板设置在与地面大致平齐的高度，可以实现双车接力，有效提高通过率。
最后应当说明的是：以上实施例仅用以说明本公开的技术方案而非对其限制；尽管参照较佳实施例对本公开进行了详细的说明，所属领域的普通技术人员应当理解：依然可以对本公开的具体实施方式进行修改或者对部分技术特征进行等同替换；而不脱离本公开技术方案的精神，其均应涵盖在本公开请求保护的技术方案范围当中。

Claims (16)

  1. 一种车辆输送装置，包括：
    输送平板(30)；和
    牵引装置(20)，与所述输送平板(30)可断开地相连，从而具有与所述输送平板(30)连接的连接状态和与所述输送平板(30)断开连接的断开状态；在所述断开状态下，所述牵引装置(20)用于带动车辆(10)前进或将所述车辆(10)牵引至所述输送平板(30)上；在所述连接状态下，所述牵引装置(20)用于带动所述输送平板(30)以便带动位于所述输送平板(30)上的所述车辆(10)前进或后退。
  2. 根据权利要求1所述的车辆输送装置，其中所述输送平板(30)的上表面与地面大致平齐。
  3. 根据权利要求1所述的车辆输送装置，其中所述牵引装置(20)包括：
    托轮体(21)，用于保持所述车辆(10)的车轮(11)；和
    升降机构，用于驱动所述托轮体(21)升降，以带动所述车轮(11)升降。
  4. 根据权利要求3所述的车辆输送装置，其中所述牵引装置(20)包括行走轨道、车体和悬臂，所述车体能够沿所述行走轨道行走，所述悬臂安装在所述车体上，所述托轮体(21)和所述升降机构分别连接在所述悬臂的在与所述行走轨道平行的方向上的两端，且所述托轮体(21)能够相对于所述车体转动至与所述行走轨道垂直的方向以夹持所述车轮(11)。
  5. 根据权利要求1所述的车辆输送装置，还包括门架(40)和两套所述牵引装置(20)，两套所述牵引装置(20)并排设置以在两套所述牵引装置(20)之间形成供所述车辆(10)通过的通道，所述门架(40)连接在两套所述牵引装置(20)之间。
  6. 根据权利要求1所述的车辆输送装置，其中所述输送平板(30)上设有连接件(33)，所述牵引装置(20)包括锁定机构(22)，所述锁定机构(22)用于对所述连接件(33)进行锁定或解除锁定，以实现所述输送平板(30)与所述牵引装置(20) 的连接或断开连接。
  7. 根据权利要求6所述的车辆输送装置，其中所述连接件(33)设置在所述输送平板(30)的侧面，所述牵引装置(20)设置在所述连接件(33)的远离所述输送平板(30)的一侧，所述锁定机构(22)包括第一锁件(221)和第二锁件(222)，所述第一锁件(221)被配置为在所述连接件(33)的惯性冲击作用下被下压以使所述连接件(33)越过所述第一锁件(221)而运动至所述第一锁件(221)和所述第二锁件(222)之间，并在所述连接件(33)离开所述第一锁件(221)后升起，以通过所述第一锁件(221)和所述第二锁件(222)限制所述连接件(33)的运动。
  8. 根据权利要求7所述的车辆输送装置，其中所述锁定机构(22)还包括第一连杆组(223)、第二连杆组(224)和驱动件，所述第一连杆组(223)与所述第一锁件(221)连接，所述第二连杆组(224)与所述第二锁件(222)连接，所述驱动件用于驱动所述第一连杆组(223)和所述第二连杆组(224)运动，以带动所述第一锁件(221)和所述第二锁件(222)升起，以实现对所述连接件(33)的限制作用；或者带动所述第一锁件(221)和所述第二锁件(222)落下，以解除对所述连接件(33)的限制作用。
  9. 根据权利要求8所述的车辆输送装置，其中所述第一锁件(221)与所述第一连杆组(223)之间设有弹性件。
  10. 根据权利要求1所述的车辆输送装置，还包括导向机构，所述导向机构用于对所述输送平板(30)的运动进行导向。
  11. 根据权利要求10所述的车辆输送装置，其中所述导向机构包括导向轮(31)和导轨，通过所述导向轮(31)与所述导轨的相互配合实现对所述输送平板(30)的导向。
  12. 根据权利要求11所述的车辆输送装置，其中所述牵引装置(20)包括行走轨道和车体，所述车体沿所述行走轨道行走，所述导向轮(31)设置在所述输送平板(30) 的底面上，所述输送平板(30)的上表面与地面大致平齐，自地面向下挖设有与所述行走轨道平行设置的导向通道，所述导向轮(31)和所述导轨位于所述导向通道内。
  13. 根据权利要求1所述的车辆输送装置，还包括滚动支撑结构，所述滚动支撑结构安装在所述输送平板(30)下方，以对所述输送平板(30)进行支撑，且所述输送平板(30)能够通过所述滚动支撑结构的滚动而相对于地面移动。
  14. 根据权利要求13所述的车辆输送装置，其中自地面向下挖设有凹坑，所述滚动支撑结构设置在所述凹坑内。
  15. 一种扫描检查系统，包括检测通道和如权利要求1～14任一项所述的车辆输送装置，所述车辆输送装置用于驱动车辆(10)在所述检测通道内前进或后退，
  16. 根据权利要求15所述的扫描检查系统，还包括射线源和探测器，所述射线源用于发射能够穿透所述车辆(10)的射线，所述探测器用于接收透过所述车辆(10)的射线，以实现对所述车辆(10)的扫描检查。
PCT/CN2019/073483 2018-01-26 2019-01-28 车辆输送装置及扫描检查系统 WO2019144961A1 (zh)

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