CN114162545B

CN114162545B - Vehicle carrying board loop transportation system and method for multi-parking space vehicle security inspection system

Info

Publication number: CN114162545B
Application number: CN202010957840.2A
Authority: CN
Inventors: 王云峰; 王成成; 郭超; 许艳伟; 冉占森
Original assignee: Nuctech Co Ltd
Current assignee: Nuctech Co Ltd
Priority date: 2020-09-11
Filing date: 2020-09-11
Publication date: 2022-08-30
Anticipated expiration: 2040-09-11
Also published as: CN114162545A

Abstract

The disclosure provides a vehicle carrying board loop transportation system and method for a multi-parking space vehicle security inspection system. In one embodiment, a vehicle carrier loop transport system for a multi-bay vehicle security inspection system, comprising: a conveyor arranged between the inlet and the outlet of the security device; a conveying device arranged between the plurality of entrance parking spaces and the security check device and between the security check device and the plurality of exit parking spaces; a return device arranged between the plurality of entrance parking spaces and the plurality of exit parking spaces and configured to return an empty vehicle board from any one of the plurality of exit parking spaces to any one of the plurality of entrance parking spaces; and a switching device arranged between the conveying device and the return device and configured to be switchable between a first position in communication with the conveying device and a second position in communication with the return device.

Description

Vehicle carrying board loop transportation system and method for multi-parking space vehicle security inspection system

Technical Field

The present disclosure relates to the field of vehicle inspection, and more particularly to a vehicle pallet loop transport system and method for a multi-bay vehicle security inspection system.

Background

In the existing vehicle security inspection system, a multi-station single-channel top-view inspection method is adopted for vehicle security inspection. Because the chassis structure, the wheel track and the wheel base of the detected vehicle are different, the transportation of the detected vehicle is difficult to consign according to a uniform mode and structure when being lifted and horizontally moved. Therefore, the vehicle is easily damaged, accidents are caused, and the safety inspection efficiency is further influenced.

At present, the vehicle carrying plate is adopted to support the vehicle to be detected to pass through the security inspection device, and by adopting the conveying mode, a vehicle driver needs to drive the vehicle to an entrance parking space to lock a hand brake vehicle, the vehicle carried by the vehicle carrying plate is advanced from the entrance of the security inspection device to the exit of the security inspection device through the inspection channel, and the image is formed on a monitor after the process. After the vehicle carrying plate is conveyed from the inlet of the security inspection device to the outlet, the vehicle carrying plate needs to be conveyed back to the inlet from the outlet.

Fig. 1 is a scene diagram of a conventional multi-station single-channel vehicle security inspection system. The arrows in the figure indicate the direction of transport of the vehicle under inspection. As shown by arrows in the figure, when the vehicle to be inspected is parked on the vehicle carrying plate at any entrance parking space of the

entrance parking spaces

1, 2 and 3, the vehicle carrying plate carrying the vehicle to be inspected is conveyed to the entrance conveying device of the single inspection passage of the security inspection device via the conveying device A, B or C corresponding to the entrance parking space, after the inspection is completed, the vehicle carrying plate carrying the vehicle to be inspected is conveyed to any conveying device of the conveying devices D, E and F via the exit conveying device of the security inspection passage of the security inspection device, and then conveyed to the

exit parking spaces

4, 5 or 6 corresponding to the conveying device via the conveying device D, E or F. In the existing transportation system and method of the multi-parking-space single-channel vehicle security inspection system, after the transmission of the vehicle V to be inspected is completed and the vehicle to be inspected is taken away, the no-load vehicle carrying plates positioned at the

exit parking spaces

4, 5 or 6 return to the

entrance parking spaces

1, 2 or 3 along the original line. The vehicle in entry parking stall department can only wait at the entrance, waits to carry the sweep back and puts in place, and on can opening the vehicle and carry the sweep, can seriously influence inspection efficiency like this.

Disclosure of Invention

According to an aspect of the disclosed embodiments, there is provided a vehicle carrier loop transport system for a multi-bay vehicle security check system, wherein the security check system comprises: a plurality of entrance parking spaces, a security device and a plurality of exit parking spaces arranged along a vehicle security check line; the vehicle carrying board loop transportation system comprises:

a conveyor arranged between the entrance and the exit of the security device and configured to convey the tape carrier boards from the entrance of the security device to the exit of the security device via the inspection lane;

a conveying device arranged between the plurality of entrance parking spaces and the security check device and between the security check device and the plurality of exit parking spaces, and configured to convey the loaded vehicle boards from any of the plurality of entrance parking spaces to an entrance of the security check device and from an exit of the security check device to any of the plurality of exit parking spaces;

a return device arranged between the plurality of entrance parking spaces and the plurality of exit parking spaces and configured to return the empty vehicle boards from any one of the plurality of exit parking spaces to any one of the plurality of entrance parking spaces; and

a switching device arranged between the conveying device and the return device, configured to be switchable between a first position in communication with the conveying device and a second position in communication with the return device.

In some embodiments, the delivery device further comprises: an entrance conveyor configured to convey the vehicle carrying board from any of the plurality of entrance parking spaces to an entrance of the security device, and an exit conveyor configured to convey the vehicle carrying board from an exit of the security device to any of the plurality of exit parking spaces.

In some embodiments, the conveyor is comprised of a plurality of first rollers that are capable of forward and reverse rotation in a first direction parallel to the conveying direction of the security device.

In some embodiments, the conveying device is composed of a plurality of first rollers capable of forward rotation and reverse rotation in a first direction parallel to a conveying direction of the security inspection device, and a plurality of second rollers capable of forward rotation and reverse rotation in a second direction different from the first direction.

In some embodiments, the second direction is perpendicular to the first direction.

In some embodiments, the conveyor, the transporter, and the retransfer device are in a top-bottom two-tier configuration, wherein the conveyor and transporter are on a top tier of the two-tier configuration and the retransfer device is on a bottom tier of the two-tier configuration.

In some embodiments, the return device further comprises: a conveying return device and a conveying return device; the conveying device and the conveying and returning device are in an upper-lower double-layer layout, wherein the conveying device is positioned at the upper layer of the double-layer layout, and the conveying and returning device is positioned at the lower layer of the double-layer layout; and the conveying device and the conveying and transporting device are in an upper-lower double-layer layout, wherein the conveying device is positioned on the upper layer of the double-layer layout, and the conveying and transporting device is positioned on the lower layer of the double-layer layout.

In some embodiments, the conveying device and the conveying return device have the same configuration; and the conveying device and the conveying return device have the same configuration.

In some embodiments, the switching device is a lifting roller bed; in a case where the switching device is switched to the first position, the switching device ascends to be at the same level as the conveying device and the transfer device located at an upper layer; in the case where the switching device is switched to the second position, the switching device is lowered to be at the same level as the return device located at the lower layer.

In some embodiments, the switching of the switching device between the first position and the second position is achieved by a lifting rod.

In some embodiments, the detector of the security inspection apparatus is disposed between the conveyor on the upper level and the conveyor return on the lower level.

In some embodiments, the security system comprises two or more security devices; the vehicle carrying board loop transportation system provides a group of the conveying device, the return device and the switching device for each security inspection device; wherein the content of the first and second substances,

the transport device for each security check device is configured to transport the loaded vehicle boards from at least one entrance parking space for that security check device to at least one entrance parking space for another security check device adjacent to that security check device, while the return device for each security check device is configured to return empty vehicle boards from at least one entrance parking space for that security check device to at least one entrance parking space for another security check device adjacent to that security check device; and/or

The transport device for each security check device is configured to transport the loaded vehicle boards from at least one exit parking space for that security check device to at least one exit parking space for another security check device adjacent to that security check device, and the return device for each security check device is configured to return the empty vehicle boards from the at least one exit parking space for that security check device to the at least one exit parking space for another security check device adjacent to that security check device.

According to another aspect of the disclosed embodiments, there is provided a vehicle carrier loop transportation method for a multi-space vehicle security inspection system, wherein the security inspection system includes: a plurality of entrance parking spaces, a security device and a plurality of exit parking spaces arranged along a security line of the vehicle; the vehicle carrying board loop transportation method comprises the following steps:

under the condition that the detected vehicle drives into the vehicle carrying plate positioned at any entrance parking space in the plurality of entrance parking spaces, sequentially utilizing a conveying device to convey the heavy-load vehicle carrying the detected vehicle from any entrance parking space in the plurality of entrance parking spaces to the entrance of a security inspection device, utilizing a conveying device to convey the heavy-load vehicle carrying plate from the entrance of the security inspection device to the exit of the security inspection device through an inspection channel, and utilizing the conveying device to convey the heavy-load vehicle carrying plate from the exit of the security inspection device to any exit parking space in the plurality of exit parking spaces;

in the case that the detected vehicle leaves the vehicle loading plates at any one of the exit parking spaces, switching the switching device from a first position communicated with the conveying device to a second position communicated with the returning device so that the empty vehicle loading plates enter the returning device;

transporting back an empty vehicle board from any one of the plurality of exit parking spaces to any one of the plurality of entrance parking spaces with a return device; and

and switching the switching device from the second position to the first position so that the vehicle carrying plate enters the heavy-duty roller way again.

In some embodiments, the delivery device further comprises: an inlet conveyor and an outlet conveyor; the vehicle carrying board loop transportation method further comprises the following steps: conveying the vehicle carrying plate from any entrance parking space in the plurality of entrance parking spaces to an entrance of the security inspection device by using an entrance conveying device; conveying the loaded vehicle carrying plate from an inlet of the security inspection device to an outlet of the security inspection device through an inspection channel by using a conveying device; and conveying the loaded vehicle carrying plate from the outlet of the security inspection device to any one of the plurality of outlet parking spaces by using the outlet conveying device.

In some embodiments, the delivery device further comprises: a plurality of inlet conveyors and a plurality of outlet conveyors; the vehicle carrying board loop transportation method further comprises the following steps: sequentially conveying the loading vehicle boards positioned on the plurality of inlet conveying devices to the conveying device; and conveying the loading vehicle boards positioned on the conveying device to any one of the plurality of outlet conveying devices.

In some embodiments, sequentially conveying the carrier boards located at the plurality of entrance conveyors to the conveyor, further comprises: and sequentially conveying the loading vehicle boards positioned on the plurality of inlet conveying devices to the conveying device according to the time sequence of vehicle driving.

In some embodiments, the conveying device and the return device adopt an upper-lower double-layer layout, wherein the conveying device and the conveying device are positioned at an upper layer of the double-layer layout, the return device is positioned at a lower layer of the double-layer layout, and the switching device is a lifting roller way; the return device further comprises: a transport return device, and first and second transport return devices; wherein the method further comprises the step of returning the empty vehicle loading plate from any one of the plurality of exit parking spaces to any one of the plurality of entrance parking spaces by using a return device, and the method further comprises the steps of: transporting back an empty vehicle loading plate from any one of the plurality of exit parking spaces to the transporting back device by using a second transporting back device; the empty vehicle carrying plate is transported back to the inlet of the security inspection device from the outlet of the security inspection device by using the transporting back device; and transporting the empty vehicle carrying plate from the entrance of the security inspection device to any entrance parking space in the plurality of entrance parking spaces by using the first transporting and transporting device.

In some embodiments, the security system comprises two or more security devices; the vehicle carrying board loop transportation system provides a group of the conveying device, the return device and the switching device for each security inspection device; wherein the method further comprises:

conveying the loaded vehicle boards from at least one entrance parking space for the security check device to at least one entrance parking space for another security check device adjacent to the security check device by the conveying device, and conveying the unloaded vehicle boards from the at least one entrance parking space for the security check device to the at least one entrance parking space for another security check device adjacent to the security check device by the conveying device; and/or

The vehicle carrying boards are conveyed by the conveying device from at least one exit parking space for the security inspection device to at least one exit parking space for another security inspection device adjacent to the security inspection device, and the empty vehicle carrying boards are conveyed by the return device from at least one exit parking space for the security inspection device to at least one exit parking space for another security inspection device adjacent to the security inspection device.

The present disclosure achieves at least the following technical effects:

the present disclosure provides a vehicle carrier loop transport system and method, which utilizes the mutual cooperation of a conveying device and a conveying device, a return device (comprising a conveying return device and a conveying return device) and a switching device, so that a vehicle carrier travels from one of a plurality of entrance parking spaces of a security inspection device to one of a plurality of exit parking spaces along a vehicle security inspection line under the condition of loading (namely loading with a vehicle to be inspected), and is returned from one of a plurality of exit parking spaces of the security inspection device to one of a plurality of entrance parking spaces along a vehicle carrier return line without interfering with the vehicle security inspection line under the condition of no load (namely not loading with the vehicle to be inspected). Therefore, the vehicle carrying plate loop conveying system and the vehicle carrying plate loop conveying method provided by the disclosure can play a role of buffering by utilizing the mutual matching of the conveying device, the back conveying device and the switching device, can greatly shorten the vehicle inspection interval and improve the vehicle inspection efficiency. The vehicle carrying board loop transportation system and the vehicle carrying board loop transportation method provided by the disclosure solve the problem of return transportation of vehicle carrying boards in a multi-vehicle-space single-channel security inspection system. The vehicle carrying plate is not interfered with a vehicle security check circuit during the return transportation, and the scanned image is not influenced during the return transportation of the vehicle carrying plate. In addition, the vehicle loading board loop transportation system and the method provided by the disclosure also have the following beneficial effects: the transportation safety and stability of vehicles with different specifications are improved; the security inspection efficiency is improved; the floor area occupied by the same parking spaces is reduced; the influence on the imaging result of the detector at the bottom layer of the inspection line when the vehicle carrying plate is transported back is solved.

Other objects that can be achieved and other technical effects that can be achieved by the present disclosure will be set forth in the following description of the embodiments taken in conjunction with the description of the embodiments and the drawings.

Drawings

The above and other embodiments and features of the present disclosure will become more apparent by describing in detail embodiments thereof with reference to the attached drawings in which:

FIG. 1 schematically illustrates a scene diagram of an existing multi-bay vehicle security inspection system;

fig. 2 schematically illustrates a scene diagram of a multi-bay vehicle security inspection system according to an exemplary embodiment of the present disclosure, in which a vehicle security inspection line and a vehicle loading deck circuit transportation line are shown;

fig. 3 schematically shows a block diagram of a conveyor and a return conveyor for conveying in a vehicle carrier loop transport system according to an exemplary embodiment of the disclosure;

fig. 4a and 4b schematically show a block diagram of a first and a second state, respectively, where the switching device in the vehicle carrier loop transport system is in the same horizontal plane as the transport device and the transport return device, respectively, according to an exemplary embodiment of the disclosure;

fig. 5 schematically shows a block diagram of a conveyor and a transport return in a vehicle carrier loop transport system according to an exemplary embodiment of the disclosure;

fig. 6 schematically shows a transport control flow diagram of a conveyor and a conveyor in a vehicle carrier loop transport method according to an exemplary embodiment of the disclosure;

fig. 7 schematically shows a transportation control flow chart of a return device in a vehicle carrying board loop transportation method according to an exemplary embodiment of the disclosure;

FIG. 8 schematically illustrates a scene diagram of a multi-bay vehicle security inspection system in accordance with another embodiment of the present disclosure;

FIG. 9 schematically illustrates a scene diagram of a multi-bay vehicle security check system according to yet another embodiment of the present disclosure;

FIG. 10 schematically illustrates a scene diagram of a multi-bay vehicle security inspection system according to yet another embodiment of the present disclosure;

fig. 11 schematically illustrates a scene diagram of a multi-bay vehicle security inspection system according to yet another embodiment of the present disclosure, in which a vehicle security inspection line and a vehicle loading deck loop transport line are shown;

fig. 12 schematically illustrates a scene diagram of a multi-bay vehicle security inspection system according to an embodiment of the present disclosure, in which a vehicle security inspection line and a vehicle carrier plate loop transportation line of the multi-bay vehicle security inspection system having at least two vehicle security inspection lanes are shown.

Detailed Description

Specific embodiments of the present disclosure will be described in detail below, and it should be noted that the embodiments described herein are merely illustrative and are not intended to limit the present disclosure. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present disclosure. However, it will be apparent to one of ordinary skill in the art that: these specific details need not be employed to practice the present disclosure. In other instances, well-known circuits, materials, or methods have not been described in detail in order to avoid obscuring the present disclosure.

Throughout the specification, reference to "one embodiment," "an embodiment," "one example," or "an example" means: the particular features, structures, or characteristics described in connection with the embodiment or example are included in at least one embodiment of the present disclosure. Thus, the appearances of the phrases "in one embodiment," "in an embodiment," "one example" or "an example" in various places throughout this specification are not necessarily all referring to the same embodiment or example. Furthermore, the particular features, structures, or characteristics may be combined in any suitable combination and/or sub-combination in one or more embodiments or examples.

It will be understood that when an element is referred to as being "coupled" or "connected" to another element, it can be directly coupled or connected to the other element or intervening elements may be present. In contrast, when an element is referred to as being "directly coupled" or "directly connected" to another element, there are no intervening elements present.

Further, as used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

It will be understood that a noun in the singular corresponding to a term may include one or more things unless the relevant context clearly dictates otherwise. As used herein, each of the phrases such as "a or B," "at least one of a and B," "at least one of a or B," "A, B or C," "at least one of A, B and C," and "at least one of A, B or C" may include all possible combinations of the items listed together with the respective one of the plurality of phrases. As used herein, terms such as "1 st" and "2 nd" or "first" and "second" may be used to distinguish one element from another element simply and not to limit the elements in other respects (e.g., importance or order).

It should be understood that various embodiments of the present disclosure and terms used therein are not intended to limit technical features set forth herein to specific embodiments, but include various changes, equivalents, or alternatives to the respective embodiments. Unless otherwise explicitly defined herein, all terms are to be given their broadest possible interpretation, including meanings implied in the specification and meanings understood by those skilled in the art and/or defined in dictionaries, papers, etc.

Further, those of ordinary skill in the art will appreciate that the drawings provided herein are for illustrative purposes and are not necessarily drawn to scale. For the description of the figures, like reference numerals may be used to refer to like or related elements. The present disclosure will be described below by way of example with reference to the accompanying drawings.

A scene diagram of an existing multi-bay vehicle security check system is shown in fig. 1. The arrows in the figure indicate the transport direction of the subject vehicle. As shown by arrows in the figure, when the vehicle to be inspected is parked on the vehicle carrying plate at any entrance parking space of the

entrance parking spaces

exit parking spaces

4, 5 or 6 corresponding to the conveying device via the conveying device D, E or F. In the existing transportation system and method of the multi-parking-place vehicle security inspection system, after the vehicle V to be inspected is conveyed, and after the vehicle to be inspected is taken away, the empty load carrying boards positioned at the

exit parking places

4, 5 or 6 return to the entrance parking places 1, 2 or 3 along the original line. The vehicle in entry parking stall department can only wait at the entrance, waits to carry the sweep back and puts in place, and on can opening the vehicle and carry the sweep, can seriously influence inspection efficiency like this.

In order to solve the above-mentioned problem, an embodiment of the present disclosure provides a vehicle loading plate loop transportation system for a multi-parking space vehicle security inspection system, wherein the security inspection system includes: a plurality of entrance parking spaces, a security device and a plurality of exit parking spaces arranged along a vehicle security check line; the vehicle carrying board loop transportation system comprises: a conveyor device arranged between the entrance and the exit of the security device and configured to convey the carrier tape from the entrance of the security device to the exit of the security device via the inspection passage; a conveying device arranged between the plurality of entrance parking spaces and the security check device and between the security check device and the plurality of exit parking spaces, and configured to convey the loaded vehicle boards from any of the plurality of entrance parking spaces to an entrance of the security check device and from an exit of the security check device to any of the plurality of exit parking spaces; a return device arranged between the plurality of entrance parking spaces and the plurality of exit parking spaces and configured to return the empty vehicle boards from any one of the plurality of exit parking spaces to any one of the plurality of entrance parking spaces; and a switching device arranged between the conveying device and the return device and configured to be switchable between a first position in communication with the conveying device and a second position in communication with the return device.

The present disclosure will be described in detail below with reference to specific embodiments with reference to the attached drawings.

Firstly, it should be noted that, for convenience of description, the vehicle carrying board is defined as a vehicle carrying board carrying a vehicle to be tested, and is denoted by reference numeral P1 in the drawing; the no-load vehicle carrying board is defined as a vehicle carrying board which is not carried with the vehicle to be detected (namely is in an idle state), and is marked with the number P2; the loading vehicle carrying plate and the no-load vehicle carrying plate are collectively called as a vehicle carrying plate, and the number in the figure is P. Further, for convenience of description, in the exemplary embodiment and the drawings thereof, the conveying device and the conveying device are collectively referred to as a heavy-duty roller bed, and the return device is referred to as a light-duty roller bed.

Fig. 2 schematically illustrates a scene diagram of a multi-bay vehicle security inspection system according to an exemplary embodiment of the present disclosure, wherein solid arrows show vehicle security inspection lines and dashed arrows show vehicle carrier board loop transport lines. As shown in fig. 2, the security inspection system includes: a plurality of entrance parking spaces 201, a security device 204, and a plurality of exit parking spaces 207 arranged along a vehicle security line. Carry sweep loop transport system and include at least: an inlet conveyor 202, an inlet conveyor 203 and an outlet conveyor 205 of a security check device 204, an outlet conveyor 206 and a switching device. The entrance conveyor 202, the entrance conveyor 203 and the exit conveyor 205, and the exit conveyor 206 are respectively arranged along the vehicle security check line between a plurality of entrance parking spaces 201 (including but not limited to 1, 2, and 3 shown in fig. 2) and a plurality of exit parking spaces 207 (including but not limited to 4, 5, and 6 shown in fig. 2), and are configured to convey the loaded vehicle boards along the vehicle security check line from any one of the plurality of entrance parking spaces 201 (e.g., 1, 2, or 3 shown in fig. 2) to any one of the plurality of exit parking spaces 207 (e.g., 4, 5, or 6 shown in fig. 2). The return device is arranged between the plurality of entrance parking spaces 201 and the plurality of exit parking spaces 207 and is configured to return empty vehicle boards from any one of the plurality of exit parking spaces 207 (e.g. 4, 5 or 6 shown in fig. 2) to any one of the plurality of entrance parking spaces 201 (e.g. 1, 2 or 3 shown in fig. 2) along a vehicle board return line, wherein the return device forms a vehicle board return line that does not interfere with the vehicle security check line. The switching device is arranged between the conveying device and the return device and is configured to be switchable between a first position in communication with the conveying device and a second position in communication with the return device. The present disclosure provides a vehicle carrier loop transport system, which utilizes the mutual cooperation of a conveying device and a conveying device, a return device (comprising the conveying return device and the conveying return device) and a switching device, so that a vehicle carrier travels along a vehicle security inspection line from one of a plurality of entrance parking spaces of a security inspection device to one of a plurality of exit parking spaces under the condition of loading (namely loading the detected vehicles), and is returned from one of the plurality of exit parking spaces of the security inspection device to one of the plurality of entrance parking spaces along a vehicle carrier return line which does not interfere with the vehicle security inspection line under the condition of no load (namely not loading the detected vehicles). Therefore, the vehicle carrying plate loop transportation system and the vehicle carrying plate loop transportation method provided by the disclosure have the advantages that the transmission device, the conveying device, the return device and the switching device are matched with each other, so that the buffering effect can be realized, the vehicle inspection interval can be greatly shortened, and the vehicle inspection efficiency is improved. The vehicle carrying board loop transportation system and the vehicle carrying board loop transportation method provided by the disclosure solve the problem of return transportation of vehicle carrying boards in a multi-vehicle-space single-channel security inspection system. The vehicle carrying plate is not interfered with a vehicle security check circuit during the return transportation, and the scanned image is not influenced during the return transportation of the vehicle carrying plate.

Specifically, as described above, the conveying device further includes: an inlet conveyor and an outlet conveyor. The entrance conveyor is configured to convey the loaded vehicle boards from any of the plurality of entrance parking spaces to the entrance of the security check device, and the exit conveyor is configured to convey the loaded vehicle boards from the exit of the security check device to any of the plurality of exit parking spaces. The return device further comprises: a conveying return device, and a conveying return device. The transport return device is configured to transport the empty vehicle loading plate from the entrance of the security inspection device to the exit of the security inspection device. The transport return devices are each configured to return the empty vehicle boards from any one of the plurality of exit parking spaces to the exit of the security check device and to return the empty vehicle boards from the entrance of the security check device to any one of the plurality of entrance parking spaces.

According to the embodiment of the present disclosure, the conveying device and the conveying return device have the same configuration. For example, each of the conveying device and the conveying-use transporting device is constituted by a plurality of rollers capable of rotating in the forward direction and the reverse direction along the conveying direction of the security check device. More specifically, the conveyor may further include an entrance conveyor at the entrance of the security device and an exit conveyor at the exit of the security device, with a gap therebetween for passage of the inspection radiation.

According to the embodiment of the present disclosure, the conveying device and the conveying return device have the same configuration. For example, each of the conveying device and the conveying-use transporting device is constituted by a plurality of first rollers capable of forward rotation and reverse rotation in a first direction parallel to the conveying direction of the security inspection device, and a plurality of second rollers capable of forward rotation and reverse rotation in a second direction different from the first direction. In an exemplary embodiment, the first direction is a direction parallel to a conveying direction of the security check device, and the second direction is a direction perpendicular to the conveying direction of the security check device.

According to an exemplary embodiment of the present disclosure, the transfer device, the conveying device and the return device adopt an upper and lower double-layer layout, wherein the transfer device and the conveying device are located at an upper layer of the double-layer layout, and the return device is located at a lower layer of the double-layer layout. More specifically, the conveyor and the return conveyor for conveying adopt an upper and lower double-deck layout, in which the conveyor is located at an upper level of the double-deck layout and the return conveyor for conveying is located at a lower level of the double-deck layout. The conveying device and the conveying return device adopt an upper-lower double-layer layout, wherein the conveying device is positioned on the upper layer of the double-layer layout, and the conveying return device is positioned on the lower layer of the double-layer layout. The physical space occupied by the conveying roller way can be saved in a better mode by adopting the upper and lower double-layer layout.

According to the exemplary embodiment of the present disclosure, the conveying device and the conveying return device have the same configuration; the conveying device and the conveying return device have the same configuration.

The specific details of the conveyor, the return device and the switching device in the vehicle carrier loop transport system are described in detail below with reference to the exemplary embodiments shown in fig. 3 to 5. Fig. 3 schematically shows a block diagram of a conveyor and a return conveyor for conveying in a vehicle carrier loop transport system according to an exemplary embodiment of the disclosure; fig. 4a and 4b schematically show a block diagram of a first and a second state, respectively, where the switching device in the vehicle carrier loop transport system is in the same horizontal plane as the transport device and the transport return device, respectively, according to an exemplary embodiment of the disclosure; fig. 5 schematically shows a block diagram of a conveyor and a return conveyor for conveying in a vehicle carrier loop transport system according to an exemplary embodiment of the disclosure.

Fig. 3 shows an upper and lower double layer layout taking the entrance conveying device and the entrance conveying shuttle as an example. As shown in fig. 3, the entrance conveyor 10 and the entrance conveyor shuttle 11 adopt an upper and lower double-deck layout, in which the entrance conveyor 10 is positioned at an upper level of the double-deck layout and the entrance conveyor shuttle 11 is positioned at a lower level of the double-deck layout.

According to an exemplary embodiment of the present disclosure, the switching device is a lifting roller bed, and the switching of the switching device between the first position and the second position is realized by a lifting rod. In the case where the switching device is switched to the first position, the switching device ascends to be at the same level as the conveyor located at the upper layer; in the case where the switching device is switched to the second position, the switching device is lowered to be at the same level as the conveying return device located at the lower layer.

Fig. 4a and 4b show the operative cooperation between the switching device and the outlet conveyor 40 and the outlet conveyor return 41, for example, in that fig. 4a shows a first state in which the switching device 60 is at the same level as the outlet conveyor 40 (i.e. the switching device 60 is in the first position), and fig. 4b shows a second state in which the switching device 60 is at the same level as the outlet conveyor return 41 (i.e. the switching device 60 is in the second position). As shown in fig. 4a, the switching device 60 is switched to the first position by the ascending of the lifting lever 21, and is connected to the conveying device 40, and at this time, the belt loading cart P1 (i.e., the cart carrying the test vehicle D) is conveyed from the conveying device 40 to the switching device 60. When the test vehicle D is removed, the loaded carrier board P1 becomes an unloaded carrier board P2 (i.e., a carrier board not loaded with the test vehicle D), and at this time, as shown in fig. 4b, the switching device 60 is switched to the second position by the lowering of the lift lever 21 so as to be connected to the returning device 41 for conveyance, and at this time, the unloaded carrier board P2 is conveyed from the switching device 60 to the returning device 41 for conveyance.

Fig. 5 shows the working cooperation between the conveying device and the conveying return device by taking the working cooperation between the outlet conveying device 40 and the outlet conveying return device 41 as an example. As shown in the drawing, the conveying device 40 is composed of a plurality of first rollers 40A and a plurality of second rollers 40B, and the return device 41 for outlet conveyance is composed of a plurality of first rollers 41A and a plurality of second rollers 41B. The plurality of

first rollers

40A or 41A can be rotated in the forward direction and the reverse direction in a first direction parallel to the conveying direction of the security check device, and the plurality of

second rollers

40B or 41B can be rotated in the forward direction and the reverse direction in a second direction perpendicular to the first direction.

According to an exemplary embodiment of the present disclosure, the detector of the security device S may be disposed between the conveyor at the upper layer and the conveyor shuttle at the lower layer. Therefore, the empty loading vehicle plate P2 can not shield the detector when being transported back, and then the interference to the image of the detected vehicle is avoided.

Meanwhile, the application also discloses a vehicle carrying board loop transportation method of the multi-parking space vehicle security inspection system. The security inspection system includes: a plurality of entrance parking spaces, a security device and a plurality of exit parking spaces arranged along a security line of the vehicle; the vehicle carrying board loop transportation method comprises the following steps: under the condition that the detected vehicle drives into the vehicle carrying plate at any entrance parking space of the entrance parking spaces, sequentially conveying the heavy-load vehicle carrying plate carrying the detected vehicle from any entrance parking space of the entrance parking spaces to the entrance of the security inspection device by using the conveying device, conveying the heavy-load vehicle carrying plate from the entrance of the security inspection device to the exit of the security inspection device through the inspection channel by using the conveying device, and conveying the heavy-load vehicle carrying plate from the exit of the security inspection device to any exit parking space of the exit parking spaces by using the conveying device; in the case that the detected vehicle leaves the vehicle loading plates at any one of the exit parking spaces, switching the switching device from a first position communicated with the conveying device to a second position communicated with the returning device so that the empty vehicle loading plates enter the returning device; transporting back an empty vehicle board from any one of the plurality of exit parking spaces to any one of the plurality of entrance parking spaces with a return device; and switching the switching device from the second position to the first position so that the vehicle carrying plate enters the heavy-duty roller way again.

More specifically, the conveying device further includes: an inlet conveyor and an outlet conveyor. The vehicle carrying board loop transportation method further comprises the following steps: conveying the loading vehicle board from any entrance parking space in the plurality of entrance parking spaces to an entrance of the security inspection device by using an entrance conveying device; conveying the vehicle carrying plate from an inlet of the security inspection device to an outlet of the security inspection device by using a conveying device; and conveying the vehicle carrying plates from the outlet of the security inspection device to any one of the outlet parking spaces by using the outlet conveying device.

Still further, the conveying device further comprises: a plurality of inlet conveyors and a plurality of outlet conveyors. The vehicle carrying board loop transportation method further comprises the following steps: sequentially conveying the loading vehicle boards positioned on the plurality of inlet conveying devices to a conveying device; and conveying the loading vehicle boards positioned on the conveying device to any one of the plurality of outlet conveying devices. In more detail, the loading vehicle boards positioned at the plurality of inlet conveying devices are sequentially conveyed to the conveying device, and the method further comprises the following steps: and sequentially conveying the loading vehicle carrying plates positioned on the plurality of inlet conveying devices to the conveying device according to the time sequence of the vehicles.

According to the exemplary embodiment of the disclosure, the conveying device and the return device adopt an upper-lower double-layer layout, wherein the conveying device and the conveying device are positioned on an upper layer of the double-layer layout, the return device is positioned on a lower layer of the double-layer layout, and the switching device is a lifting roller way; the return device further comprises: a transport return device, and first and second transport return devices. In the vehicle loading board loop transport method, the empty vehicle loading board is transported back from any one of the plurality of exit parking spaces to any one of the plurality of entrance parking spaces along the vehicle loading board return line by using the return device, further comprising: transporting the empty vehicle carrying plate from any one of the plurality of exit parking spaces back to the transporting and returning device by using the second transporting and returning device; the empty vehicle carrying plate is transported back to the inlet of the security inspection device from the outlet of the security inspection device by using the transporting back device; and transporting the empty vehicle carrying plate from the entrance of the security inspection device to any entrance parking space in the plurality of entrance parking spaces by using the first transporting and transporting device.

Fig. 6 schematically shows a transport control flow chart of a heavy-duty roller bed in a vehicle-carrying deck loop transport method according to an exemplary embodiment of the present disclosure; fig. 7 schematically shows a transportation control flow chart of a return device in a vehicle carrier loop transportation method according to an exemplary embodiment of the disclosure. Referring next to fig. 6 and 7 in combination with fig. 2, a method for transporting a vehicle carrier loop for a multi-bay vehicle security inspection system according to an exemplary embodiment of the present disclosure will be described.

Referring to fig. 2 and 6, when a detected vehicle drives into a vehicle carrying board on any one of the

entrance parking spaces

1, 2 and 3, firstly checking whether the entrance parking space is over against a conveying device B at the entrance of the security inspection device, and if so, directly conveying the vehicle carrying board to the conveying device B; if not, the carrying vehicle board is conveyed to a conveying device B through the left-right transverse movement of the conveying device A or C; next, the loaded carrier boards are conveyed from the conveying device B to the entrance conveying device 203 at the entrance of the security inspection device. After the security inspection process is performed in the security inspection device 204, the loaded carrier boards are transported from the entrance conveyor 203 to the security inspection device exit conveyor 205. Next, the vehicle carrying boards are conveyed by the security inspection device exit conveyor 205 to the conveyor E directly opposite to the conveyor at the security inspection device exit. At this time, the direction is determined, the vehicle carrying plates are directly conveyed from the conveying device E to the entrance parking spaces 5, or the vehicle carrying plates are conveyed from the conveying device E to the conveying device D or F through left-right transverse movement, and then the vehicle carrying plates are conveyed to the corresponding

exit parking spaces

4 or 6 by the conveying device D or F. It should be noted that when the

entrance parking spaces

1, 2 and 3 all have the vehicle carrying plates, the vehicle carrying plates at the

entrance parking spaces

1, 2 and 3 are conveyed according to the sequence of the vehicles entering. When the

exit parking spaces

4, 5 and 6 are all provided with the vehicle carrying plates, waiting for the vehicle carrying plates to be switched to the return conveying device. When the front conveying device or conveying device to be conveyed/conveyed by the current carrying vehicle board has the previous carrying vehicle board, the current carrying vehicle board is conveyed/conveyed to the front conveying device or conveying device after the previous carrying vehicle board is conveyed or conveyed away from the conveying device or conveying device.

Referring to fig. 2 and 7, when the vehicle to be inspected is driven off the vehicle loading plates on any of the

exit parking spaces

4, 5 and 6, the switching device is switched from a first position in communication with the heavy-duty roller table to a second position in communication with the return device by lowering the empty vehicle loading plates to the second position in communication with the return device. Checking whether an outlet parking space where the no-load vehicle carrying plate is located is over against a conveying return device of a conveying return device E located at an outlet of the security inspection device, and if so, directly returning the no-load vehicle carrying plate to the conveying return device E; if not, the empty load carrying plate is transported back to the conveying device E through the left-right transverse movement of the conveying device D or F; next, the empty vehicle loading plate is transported back from the conveying device E to the transport return device via the transport return device. At this time, the empty vehicle carrying plates are directly transported back to the entrance parking spaces 2 from the conveying device B by judging the direction, or the empty vehicle carrying plates are conveyed to the conveying device A or C from the conveying device B through left-right transverse movement, and then the empty vehicle carrying plates are transported back to the corresponding

entrance parking spaces

1 or 3 by the conveying device A or C. At the moment, whether the vehicle carrying plates exist on the upper layer of the corresponding

entrance parking spaces

1, 2 or 3 is judged, if yes, the vehicle carrying plates do not exist on the upper layer of the

entrance parking spaces

1, 2 or 3, and then the switching device is switched from the second position communicated with the returning device to the first position communicated with the conveying device, so that the empty vehicle carrying plates return to the upper layer of the

entrance parking spaces

1, 2 or 3 again; if not, the direct switching device is switched from the second position communicated with the return device to the first position communicated with the conveying device, so that the empty vehicle carrying plate returns to the upper layer of the

entrance parking space

1, 2 or 3 again. Thereby ending the loop transportation of the vehicle carrying plate. It should be noted that when the empty vehicle carrying plates are arranged in the

exit parking spaces

4, 5 and 6, the empty vehicle carrying plates positioned in the

exit parking spaces

4, 5 and 6 are conveyed according to the sequence of the vehicles entering the exit parking spaces. When the

entrance parking spaces

1, 2 and 3 are all provided with the vehicle carrying plates, the vehicle carrying plates are waited to be switched to the conveying device. When the previous empty vehicle carrying plate still exists on the transporting back device in front of the current empty vehicle carrying plate to be transported, the current light vehicle carrying plate is transported to the transporting back device in front after the previous empty vehicle carrying plate is transported or transported away from the transporting back device.

The vehicle carrying board loop transportation method provided by the disclosure utilizes the mutual matching of the conveying device and the conveying device, the return device (comprising the conveying return device and the conveying return device) and the switching device, so that the vehicle carrying board travels from one of a plurality of entrance parking spaces of the security inspection device to one of a plurality of exit parking spaces along the vehicle security inspection line under the condition of loading (namely loading the detected vehicles), and is returned from one of a plurality of exit parking spaces of the security inspection device to one of a plurality of entrance parking spaces along the vehicle carrying board return line without interfering with the vehicle security inspection line under the condition of no load (namely not loading the detected vehicles). Therefore, the vehicle carrying plate loop transportation system and the vehicle carrying plate loop transportation method provided by the disclosure have the advantages that the transmission device, the conveying device, the return device and the switching device are matched with each other, so that the buffering effect can be realized, the vehicle inspection interval can be greatly shortened, and the vehicle inspection efficiency is improved. The vehicle carrying board loop transportation system and the vehicle carrying board loop transportation method provided by the disclosure solve the problem of return transportation of vehicle carrying boards in a multi-vehicle-space single-channel security inspection system. The vehicle carrying plate is not interfered with a vehicle security check circuit during the return transportation, and the scanned image is not influenced during the return transportation of the vehicle carrying plate. In addition, the vehicle carrying board loop transportation system and the method provided by the disclosure have the following beneficial effects: the transportation safety and stability of vehicles with different specifications are solved; the security inspection efficiency is improved; the floor area occupied by the same parking spaces is reduced; the influence on the imaging result of the bottom detector of the inspection line when the vehicle carrying plate is transported back is solved.

Fig. 8 schematically illustrates a scene diagram of a multi-bay vehicle security check system according to another embodiment of the present disclosure.

As shown in fig. 8, a plurality of entrance parking spaces 801 (including 1, 2, 3, and 4) may be disposed on both sides of the entrance conveying device 802.

In an exemplary embodiment, a plurality of rows of entrance parking spaces-entrance conveyors-entrance parking spaces may be provided.

Furthermore, one conveyor or conveyor 803 may be provided between each of the rows of entrance parking spaces-entrance conveyors-entrance parking spaces.

Similarly, a plurality of exit parking spaces 802 (including 5, 6, 7, and 8) may be disposed on either side of the exit conveyor 807.

In an exemplary embodiment, a plurality of rows of exit parking spaces-exit conveyors-exit parking spaces may be provided.

Further, one conveyor or conveyor 808 may be provided between each of the rows of exit parking spaces-exit conveyor-exit parking spaces.

Although the system architecture 800 shown in fig. 8 is different from the system architecture 200 shown in fig. 2, the layout and operation principle of the conveying device and the conveying device, the transporting back device and the switching device (i.e. the conveying device and the transporting back device adopt a double-layer layout, the conveying device and the conveying device convey the carrier boards along the vehicle security inspection line, and the transporting back device transport the empty carrier boards along the carrier board transporting back line) are similar, and the description thereof is omitted here.

Fig. 9 schematically illustrates a scene diagram of a multi-bay vehicle security check system according to yet another embodiment of the present disclosure.

As shown in fig. 9, a plurality of entrance parking spaces 901 (including 1, 3, 5, and 7) may be provided only on the left side of the entrance conveyor 902, and a plurality of rows of entrance parking space-entrance conveyors may be provided.

Another conveyor or conveyor 903 may be provided between each of the multiple rows of entrance parking places-entrance conveyors.

Similarly, a plurality of entrance parking spaces 907 (including 2, 4, 6 and 8) may be provided only on the left side of exit conveyor 906, and multiple rows of exit parking space-exit conveyors may be provided.

Another conveyor or conveyor 908 may be provided between each of the rows of exit parking space-exit conveyors.

Although the system architecture 900 shown in fig. 9 is different from the system architecture 200 shown in fig. 2, the layout and operation principle of the conveying device, the returning device and the switching device (i.e. the conveying device, the conveying device and the returning device adopt a double-layer layout, the conveying device and the conveying device convey the carrier boards along the vehicle security inspection line, and the returning device returns the empty carrier boards along the carrier board returning line) are similar, and the description thereof is omitted here.

Fig. 10 schematically illustrates a scene diagram of a multi-bay vehicle security check system according to yet another embodiment of the present disclosure.

As shown in fig. 10, a plurality of entrance conveyors 1002 (including left 1 and right 1) may be provided between entrance parking spaces 1001 (including 1, 2, 3, 4, and 5) and the conveyor, wherein the left entrance conveyor (i.e., left 1) is configured to be responsible for conveying vehicles on the left entrance parking spaces (e.g., entrance parking spaces 1 and 2), and the right entrance conveyor (i.e., right 1) is configured to be responsible for conveying vehicles on the right entrance parking spaces (e.g.,

entrance parking spaces

3, 4, and 5).

Similarly, a plurality of exit conveyors 1003 (including left 2 and right 2) may be provided between the conveyors and exit parking spaces 1004 (including 6, 7, 8, and 9).

Wherein the left exit conveyor (i.e., left 2) is configured to be responsible for conveying vehicles on the left exit parking spaces (e.g., exit parking spaces 6 and 7), and the right exit conveyor (i.e., right 2) is configured to be responsible for conveying vehicles on the right exit parking spaces (e.g., exit parking spaces 8 and 9).

Although the system architecture 1000 shown in fig. 10 is different from the system architecture 200 shown in fig. 2, the layout and the operation principle of the conveying device, the returning device and the switching device (i.e. the conveying device, the conveying device and the returning device adopt a double-layer layout, the conveying device and the conveying device convey the carrier boards along the vehicle security inspection line, and the returning device returns the empty carrier boards along the carrier board returning line) are similar, and the description is omitted here.

Although only a small number of entrance parking spaces and exit parking spaces are shown in the drawings for convenience of description, it should be understood by those skilled in the art that it is not limited thereto.

Although the above description describes and describes the vehicle carrying board loop transport system and method provided by the embodiments of the present disclosure by taking the upper and lower double-layer layout of the conveying device and the returning device as an example, it should be noted that other layouts of the conveying device and the returning device can be used. For example, as shown in fig. 11, the conveyor and the conveyor are arranged at the inspection passage of the security inspection device along the security inspection line of the vehicle, and the return device is arranged outside the inspection passage of the security inspection device and on the left side of the heavy-duty roller way, and at this time, the return line of the vehicle carrying board is on the left side of the inspection passage of the security inspection device. Of course, the return route of the vehicle carrier plates may be arranged at any other position outside the inspection passage of the security inspection device, in some other embodiments, for example above, below, to the left, to the right, and combinations thereof, of the heavy-duty conveyor roller way. In still other embodiments, the return path of the vehicle carrier plates may also be arranged at an angle to the conveying direction of the inspection lane of the security check device.

In addition, the vehicle carrying board loop transportation system and the vehicle carrying board loop transportation method provided by the embodiment of the disclosure can also be applied to scenes of two or more security inspection devices. As shown in fig. 12, the security system includes two or more security devices 1204. In the exemplary embodiment shown in fig. 12, the security system includes two security devices 1204 arranged in parallel.

The vehicle carrying board loop transport system provided by the embodiment of the disclosure provides a group of conveying devices, returning devices and switching devices for each security inspection device. Specifically, the transport device for each security check device is configured to transport the loaded vehicle boards from at least one entrance parking space for the security check device (including but not limited to 1, 2 and 3 shown in fig. 12) to at least one entrance parking space for another security check device adjacent to the security check device (including but not limited to 11, 21 and 31 shown in fig. 12), while the return device for each security check device is configured to return the unloaded vehicle boards from at least one entrance parking space for the security check device (including but not limited to 1, 2 and 3 shown in fig. 12) to at least one entrance parking space for another security check device adjacent to the security check device (including but not limited to 11, 21 and 31 shown in fig. 12); and/or the transport device for each security check device is configured to transport the loaded vehicle boards from at least one exit parking space for that security check device (including but not limited to 4, 5 and 6 shown in fig. 12) to at least one exit parking space for another security check device adjacent to that security check device (including but not limited to 41, 51 and 61 shown in fig. 12), while the return device for each security check device is configured to return the unloaded vehicle boards from at least one exit parking space for that security check device to at least one exit parking space for another security check device adjacent to that security check device.

Correspondingly, the vehicle carrying board loop transportation method provided by the embodiment of the disclosure can further include:

conveying the loaded vehicle boards from at least one entrance parking space for the security check device to at least one entrance parking space for another security check device adjacent to the security check device by a conveying device, and returning the unloaded vehicle boards from the at least one entrance parking space for the security check device to the at least one entrance parking space for another security check device adjacent to the security check device by a returning device; and/or

The loaded vehicle boards are transported by a transport device from at least one exit parking space for the security device to at least one exit parking space for another security device adjacent to the security device, while the empty vehicle boards are transported by a return device from at least one exit parking space for the security device to at least one exit parking space for another security device adjacent to the security device.

Those skilled in the art will appreciate that various combinations and/or combinations of features recited in the various embodiments and/or claims of the present disclosure can be made, even if such combinations or combinations are not expressly recited in the present disclosure. In particular, various combinations and/or combinations of the features recited in the various embodiments and/or claims of the present disclosure may be made without departing from the spirit or teaching of the present disclosure. All such combinations and/or associations are within the scope of the present disclosure.

The embodiments of the present disclosure have been described above. However, these examples are for illustrative purposes only and are not intended to limit the scope of the present disclosure. Although the embodiments are described separately above, this does not mean that the measures in the embodiments cannot be used in advantageous combination. The scope of the disclosure is defined by the appended claims and equivalents thereof. Various alternatives and modifications can be devised by those skilled in the art without departing from the scope of the present disclosure, and such alternatives and modifications are intended to be within the scope of the present disclosure.

Claims

1. A vehicle carrier loop transport system for a multi-bay vehicle security inspection system, wherein the security inspection system comprises: a plurality of entrance parking spaces, a security device and a plurality of exit parking spaces arranged along a security line of the vehicle; the vehicle carrying board loop transportation system comprises:

2. The cart deck loop transport system of claim 1,

the conveying device further comprises: an entrance conveyor configured to convey the loaded vehicle boards from any of the plurality of entrance parking spaces to an entrance of the security check device, and an exit conveyor configured to convey the loaded vehicle boards from an exit of the security check device to any of the plurality of exit parking spaces.

3. The vehicle deck loop transport system of claim 2,

the conveying device is composed of a plurality of first rollers which can rotate in the forward direction and the reverse direction along a first direction parallel to the conveying direction of the security inspection device.

4. The cart deck loop transport system of claim 2,

the conveying device is composed of a plurality of first rollers and a plurality of second rollers, the plurality of first rollers can rotate in a forward direction and rotate in a reverse direction along a first direction parallel to a conveying direction of the security inspection device, and the plurality of second rollers can rotate in a forward direction and rotate in a reverse direction along a second direction different from the first direction.

5. The cart deck loop transport system of claim 4,

the second direction is perpendicular to the first direction.

6. The vehicle carrier loop transport system of any of claims 2 to 5,

the conveying device, the conveying device and the return device are in an upper-lower double-layer layout, wherein the conveying device and the conveying device are located on an upper layer of the double-layer layout, and the return device is located on a lower layer of the double-layer layout.

7. The cart deck loop transport system of claim 6,

the return device further comprises: a conveying return device and a conveying return device;

the conveying device and the conveying and returning device are in an upper-lower double-layer layout, wherein the conveying device is positioned at the upper layer of the double-layer layout, and the conveying and returning device is positioned at the lower layer of the double-layer layout; and

the conveying device and the conveying and transporting device are arranged in an upper-lower double-layer layout, wherein the conveying device is arranged on an upper layer of the double-layer layout, and the conveying and transporting device is arranged on a lower layer of the double-layer layout.

8. The cart deck loop transport system of claim 7,

the conveying device and the conveying return device have the same configuration; and

the conveying device and the conveying return device have the same configuration.

9. The vehicle deck loop transport system of claim 6,

the switching device is a lifting roller bed;

in a case where the switching device is switched to the first position, the switching device ascends to be at the same level as the conveying device and the transfer device located at an upper level; in the case where the switching means is switched to the second position, the switching means is lowered to be at the same level as the return means located at the lower stage.

10. The cart deck loop transport system of claim 9, wherein,

the switching of the switching device between the first position and the second position is realized by a lifting rod.

11. The vehicle deck loop transport system of claim 7,

the detector of the security inspection device is arranged between the conveying device positioned on the upper layer and the conveying and transporting device positioned on the lower layer.

12. The vehicle carrier loop transport system of claim 1, wherein the security system comprises two or more security devices; the vehicle carrying board loop transportation system provides a group of the conveying device, the return device and the switching device for each security inspection device; wherein the content of the first and second substances,

The transport device for each security device is configured to transport the loaded vehicle panels from at least one exit parking space for that security device to at least one exit parking space for another security device adjacent to that security device, and the return device for each security device is configured to return empty vehicle panels from at least one exit parking space for that security device to at least one exit parking space for another security device adjacent to that security device.

13. A vehicle loading board loop transportation method for a multi-parking space vehicle security inspection system, wherein the security inspection system comprises: a plurality of entrance parking spaces, a security device and a plurality of exit parking spaces arranged along a vehicle security check line; the vehicle carrying board loop transportation method comprises the following steps:

under the condition that the detected vehicle drives into the vehicle carrying plate at any entrance parking space of the entrance parking spaces, sequentially conveying the heavy-load vehicle carrying plate carrying the detected vehicle from any entrance parking space of the entrance parking spaces to the entrance of the security inspection device by using the conveying device, conveying the heavy-load vehicle carrying plate from the entrance of the security inspection device to the exit of the security inspection device through the inspection channel by using the conveying device, and conveying the heavy-load vehicle carrying plate from the exit of the security inspection device to any exit parking space of the exit parking spaces by using the conveying device;

and switching the switching device from the second position to the first position so as to enable the vehicle carrying plate to enter the heavy-load roller way again.

14. The cart board loop transport method of claim 13, wherein the conveyor further comprises: an inlet conveyor and an outlet conveyor;

the vehicle carrying board loop transportation method further comprises the following steps:

conveying the vehicle carrying plate from any entrance parking space in the plurality of entrance parking spaces to an entrance of the security inspection device by using an entrance conveying device;

conveying the loaded vehicle carrying plate from an inlet of the security inspection device to an outlet of the security inspection device through an inspection channel by using a conveying device; and

and conveying the vehicle carrying plates from the outlet of the security inspection device to any one of the outlet parking spaces by using an outlet conveying device.

15. The cart board loop transport method of claim 14, wherein the conveyor further comprises: a plurality of inlet conveyors and a plurality of outlet conveyors;

sequentially conveying the carrier plates positioned on the plurality of inlet conveying devices to the conveying device; and

and conveying the loading vehicle boards positioned on the conveying device to any one of the plurality of outlet conveying devices.

16. The cart deck loop transport method of claim 15, wherein sequentially transporting the loaded cart decks located at the plurality of entrance conveyors to the conveyor further comprises:

and sequentially conveying the loading vehicle boards positioned on the plurality of inlet conveying devices to the conveying device according to the time sequence of vehicle driving.

17. The method for transporting a vehicle loading board in a loop according to any one of claims 13 to 16, wherein the conveying device, the conveying device and the returning device are arranged in an upper-lower double-layer layout, wherein the conveying device and the conveying device are arranged at an upper layer of the double-layer layout, the returning device is arranged at a lower layer of the double-layer layout, and the switching device is an elevating roller table; the return device further comprises: a transport return device, and first and second transport return devices;

wherein the method further comprises the step of returning the empty vehicle loading plate from any one of the plurality of exit parking spaces to any one of the plurality of entrance parking spaces by using a return device, and the method further comprises the steps of:

transporting back an empty vehicle loading plate from any one of the plurality of exit parking spaces to the transporting back device by using a second transporting back device; and

conveying the unloaded vehicle carrying plate from the outlet of the security inspection device to the inlet of the security inspection device by using a conveying return device; and

and the empty vehicle carrying plates are transported back to any one of the entrance parking spaces from the entrance of the security inspection device by using the first transporting and transporting back device.

18. The vehicle carrier loop transport method of claim 13, wherein the security check system comprises two or more security check devices; the vehicle carrying board loop transportation system provides a group of the conveying device, the return device and the switching device for each security inspection device; wherein the method further comprises:

The loaded vehicle boards are conveyed by the conveying device from at least one exit parking space for the security check device to at least one exit parking space for another security check device adjacent to the security check device, and the unloaded vehicle boards are conveyed by the return device from at least one exit parking space for the security check device to at least one exit parking space for another security check device adjacent to the security check device.