CN107576991B - Vehicle detection system - Google Patents
Vehicle detection system Download PDFInfo
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- CN107576991B CN107576991B CN201710750102.9A CN201710750102A CN107576991B CN 107576991 B CN107576991 B CN 107576991B CN 201710750102 A CN201710750102 A CN 201710750102A CN 107576991 B CN107576991 B CN 107576991B
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- 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
- B65G37/00—Combinations of mechanical conveyors of the same kind, or of different kinds, of interest apart from their application in particular machines or use in particular manufacturing processes
Abstract
The invention provides a vehicle detection system, comprising: a radiation source device; the vehicle conveying device is arranged below the radiation source device and is used for conveying a vehicle to be detected to receive rays radiated by the radiation source device; the detection device is arranged below the vehicle conveying device and used for receiving the rays of the vehicle to be detected to perform imaging; the vehicle conveying device comprises a first conveying part and a second conveying part which are arranged along the vehicle conveying direction, and a gap is formed between the first conveying part and the second conveying part, so that the rays can reach the detection device through the vehicle to be detected without passing through the first conveying part and the second conveying part. The vehicle detection system can adopt a sectional transmission mode to convey the vehicle to be detected, the number of driving devices is reduced, the transmission cost is reduced, and meanwhile, the conveying device according to the embodiment is flexible in design and convenient to install and maintain.
Description
Technical Field
The invention relates to the technical field of vehicle detection, in particular to a vehicle detection system.
Background
In security inspection of vehicles in important departments such as customs, a method is generally adopted in which a vehicle is advanced along a tunnel, radiation such as x-rays is emitted from a radiation source emitting device on one side of the tunnel, and the x-rays are received by a detecting device on the other side of the tunnel while passing through the vehicle, thereby forming a scanned image and detecting whether or not prohibited articles are present in the vehicle.
Since the vehicle is relatively heavy and bulky in this method, it is difficult to pass the vehicle through the area in which the radiation source and the detection device operate accurately and as quickly as possible, and all parts on the vehicle are not obstructed. If it cannot be guaranteed that all parts on the vehicle are not shielded and can be scanned by rays to form an image, there is a risk that contraband such as smuggled objects, weapons, and explosives are hidden in some shielded positions, and the validity of the inspection cannot be guaranteed.
How to make the vehicle pass through the working area of the radiation source and the detection device as fast as possible and make all parts on the vehicle not be shielded and not leave dead angles, and the formed image is clear and is beneficial to the judgment of workers, which becomes a problem to be solved urgently.
In addition, how to quickly and safely transport the vehicle to be detected to pass through the position where the radiation source and the detection device are located to receive the detection is also a very important problem. The vehicle transmission device has high requirements due to the heavy weight of the vehicle, the energy required by the driving of the vehicle transmission device is high, and the installation and the maintenance of the vehicle transmission device in the prior art are complex and labor-consuming. How to reduce the transmission cost and carry out simple, convenient and flexible installation and maintenance on the vehicle transmission device is also a problem to be solved
Disclosure of Invention
In order to solve the related problems in the prior art, the present invention provides a vehicle detection system, including: a radiation source device; the vehicle conveying device is arranged below the radiation source device and is used for conveying a vehicle to be detected to receive rays radiated by the radiation source device; the detection device is arranged below the vehicle conveying device and used for receiving the rays of the vehicle to be detected to perform imaging; the vehicle conveying device comprises a first conveying part and a second conveying part which are arranged along the vehicle conveying direction, and a gap is formed between the first conveying part and the second conveying part, so that the rays can reach the detection device through the vehicle to be detected without passing through the first conveying part and the second conveying part.
The vehicle conveying device further comprises a first conveying assembly unit connected with the first conveying part and a second conveying assembly unit connected with the second conveying part, the vehicle conveying device conveys the vehicle to be detected forwards along the first conveying assembly unit, the first conveying part, the second conveying part and the second conveying assembly unit, the first conveying part is driven by the first conveying assembly unit, and the second conveying part is driven by the second conveying assembly unit.
The first conveying part comprises a plurality of first conveying rollers arranged side by side, and the first conveying rollers are driven by the first conveying assembly unit to rotate; the second conveying portion includes a plurality of second conveying rollers arranged side by side, and the second conveying rollers are driven by the second conveying assembly unit to rotate.
The first conveying assembly unit comprises a first driving device and a first conveying component, the first driving device is used for driving the first conveying component to carry out conveying work, a first transmission mechanism is arranged between the first conveying part and the first conveying component or between the first driving device and the first conveying component, and the first transmission mechanism is used for driving the first conveying part; the second conveying assembly unit comprises a second driving device and a second conveying assembly, the second driving device is used for driving the second conveying assembly to carry out conveying work, a second transmission mechanism is arranged between the second conveying part and the second conveying assembly or between the second driving device and the second conveying assembly, and the second transmission mechanism is used for driving the second conveying part to carry out conveying work.
The first conveying assembly comprises a first conveying chain plate, a first driving chain wheel and a first driven chain wheel, the first driving chain wheel and the first driven chain wheel are respectively positioned at the front end and the rear end of the first conveying chain plate, and the first transmission mechanism drives the first conveying chain plate to move through the first driving chain wheel; the second conveying assembly comprises a second conveying chain plate, a second driving chain wheel and a second driven chain wheel, the second driving chain wheel and the second driven chain wheel are respectively located at the front end and the rear end of the second conveying chain plate, and the second transmission mechanism drives the second conveying chain plate to move through the second driving chain wheel.
The first transmission mechanism and the second transmission mechanism are chains.
Wherein the conveyor line speeds of the first conveyor assembly unit, the second conveyor assembly unit, the first conveyor section and the second conveyor section are equal
The vehicle conveying device further comprises a first support and a second support, wherein the first support supports the first conveying part and is hinged to the first conveying part, the second support supports the second conveying part and is hinged to the second conveying part, the first conveying part can rotate relative to the first support, and the second conveying part can rotate relative to the second support.
One end, close to the first conveying assembly unit, of the first conveying part is hinged to the first support, so that the first conveying part can rotate up and down relative to the support;
one end of the second conveying part, which is close to the second conveying assembly unit, is hinged with the second support, so that the second conveying part can rotate up and down relative to the support.
The first conveying part comprises more than two sub conveying units which are arranged side by side in a direction vertical to the conveying direction of the vehicle to be detected; the second conveying section includes two or more sub-conveying units arranged side by side in a direction perpendicular to a conveying direction of the vehicle to be detected.
Wherein the first conveying part and the second conveying part respectively comprise at least one handle, and the first conveying part and the second conveying part are respectively detachably connected with the handles.
According to the vehicle detection system of the embodiment, a gap can be reserved for the detection device to receive the rays passing through the vehicle to be detected, the rays only pass through the vehicle to be detected without passing through the vehicle conveying device, scanning is not blocked, and the vehicle to be detected can be detected without dead angles. And this vehicle detecting system can adopt the mode of segmentation transmission to carry the vehicle that awaits measuring, reduces drive arrangement's quantity, reduces transmission cost, and the conveyor design according to the embodiment is nimble simultaneously, is convenient for install and maintain.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic diagram of a vehicle detection system according to an embodiment of the present invention;
FIG. 2 is an enlarged schematic view of portion A of FIG. 1;
FIG. 3 is a schematic top view of the vehicle transport apparatus shown in FIG. 1;
FIG. 4 is a schematic view of the conveyor section shown in FIG. 1 assembled with the handle;
FIG. 5 is a schematic view of another angled configuration of the transport section shown in FIG. 4;
FIG. 6 is a schematic view showing another state of the transport section shown in FIG. 5;
fig. 7 is a left side view of the conveyor shown in fig. 5 with the handle removed.
Wherein, the correspondence between the reference numbers and the part names in fig. 1 to 7 is:
1 a first conveying assembly unit, 11 a first driving device, 12 a first conveying component, 15 a second transmission mechanism, 21 a support, 22 a first conveying part, 23 a second conveying part, 24 an installation space, 25 gaps, 3 a second conveying assembly unit, 31 a second driving device, 32 a second conveying component, 4 handles, 5 a fixing part and 35 a second transmission mechanism.
Detailed Description
So that the manner in which the above recited objects, features and advantages of the present invention can be understood in detail, a more particular description of the invention, briefly summarized above, may be had by reference to the embodiments thereof which are illustrated in the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
As shown in fig. 1 and 2, an embodiment of the present invention provides a vehicle detection system including: a radiation source device (not shown); a vehicle transport device 10 disposed below the radiation source device (the direction indicated by an arrow Z in fig. 1 is an upward direction), and transporting a vehicle to be detected to receive the radiation emitted by the radiation source device; a detecting device (not shown in the figure) arranged below the vehicle conveying device and used for receiving the rays of the vehicle to be detected for imaging; wherein the vehicle transport device 10 includes a first transport portion 22 and a second transport portion 23 arranged in a vehicle transport direction (a direction indicated by an arrow X in fig. 1 is a vehicle transport direction), and a gap 25 is provided between the first transport portion 22 and the second transport portion 23, and the gap 25 allows the radiation to pass through the vehicle to be detected without passing through the first transport portion 22 and the second transport portion 23 to reach the detection device.
In the vehicle transportation device 10 according to the embodiment, due to the existence of the gap 25, the first transportation part 22 and the second transportation part 23 do not contact with each other, the radiation emitted by the radiation source device reaches the detection device through the gap 25, the radiation passes through the vehicle to be detected and does not pass through the first transportation part 22 and the second transportation part 23, and any part of the first transportation part 22 and the second transportation part 23 does not appear on the scanning pattern imaged by the detection device, so that the problem of pattern occlusion can be solved, no dead angle is left for the vehicle detection, and the quality of the scanning pattern is improved.
In one embodiment, as shown in fig. 2 in particular, the vehicle detection system further includes a first conveying assembly unit 1 connected to the first conveying portion and a second conveying assembly unit 3 connected to the second conveying portion, the vehicle conveying device conveys the vehicle to be detected forward along the first conveying assembly unit 1, the first conveying portion 22, the second conveying portion 23 and the second conveying assembly unit 3 (the direction indicated by the arrow X in fig. 2 is the forward direction of vehicle conveying), the first conveying portion 22 is driven by the first conveying assembly unit 1, and the second conveying portion 23 is driven by the second conveying assembly unit 3.
The following describes a case where the first conveying portion 22 and the second conveying portion 23 are driven by the first conveying assembly unit 1 and the second conveying assembly unit 2, respectively, with reference to fig. 2 to 4.
The first conveying section 22 includes a plurality of first conveying rollers arranged side by side, and the first conveying rollers are driven by the first conveying assembly unit 1 to rotate; the second conveying section 23 includes a plurality of second conveying rollers arranged side by side, and the second conveying rollers are driven by the second conveying unit 3 to rotate. The first conveying part 22 and the second conveying part 23 respectively include a plurality of conveying rollers, and thus the first conveying part 22 and the second conveying part 23 are designed to occupy a small space in the height direction, so that a sufficient installation space 24 can be reserved for the detecting device.
The first conveying assembly unit 1 comprises a first driving device 11 and a first conveying component 12, the first driving device 11 is used for driving the first conveying component 12 to carry out conveying work, a first transmission mechanism 15 is arranged between the first conveying part 22 and the first conveying component or between the first driving device 11, and the first transmission mechanism 15 is used for driving the first conveying part 22 to carry out conveying work; the second conveying assembly unit 3 includes a second driving device (not shown in the figure) and a second conveying component 32, the second driving device is used for driving the second conveying component 32 to perform conveying operation, a second transmission mechanism 35 is arranged between the second conveying portion 23 and the second conveying component 32 or the second driving device, and the second transmission mechanism 35 is used for driving the second conveying portion 23 to perform conveying operation. In one embodiment, the first transmission 15 and the second transmission 35 are chains. The design makes the first transmission mechanism 15 and the second transmission mechanism 35 simple in structure and stable and reliable in transmission effect.
In the first conveying assembly unit 1 and the second conveying assembly unit 2, the first conveying component 12 comprises a first conveying chain plate, a first driving sprocket and a first driven sprocket, the first driving sprocket and the first driven sprocket are respectively located at the front end and the rear end of the first conveying chain plate, and the first driving sprocket is used for driving the first conveying chain plate to move by the first driving mechanism 15; the second conveying assembly 32 includes a second conveying chain plate, a second driving sprocket and a second driven sprocket, the second driving sprocket and the second driven sprocket are respectively located at the front end and the rear end of the second conveying chain plate, and the second transmission mechanism 35 drives the second conveying chain plate to move through the second driving sprocket.
Specifically, specific embodiments of the first transmission mechanism include a plurality of:
the first scheme is as follows: a driving transmission chain wheel is arranged on a rotating shaft connected with a first driving chain wheel or a first driven chain wheel in the first conveying assembly, a driven transmission chain wheel is arranged on each first conveying roller, and each driven transmission chain wheel is connected with the driving transmission chain wheel through a chain so as to complete transmission.
Scheme II: a driving transmission chain wheel is arranged on a rotating shaft connected with a first driving chain wheel or a first driven chain wheel in the first conveying assembly, a driven transmission chain wheel is arranged on each first conveying roller, the driving transmission chain wheel is connected with the driven transmission chain wheel nearest to the driving transmission chain wheel through a chain, and two adjacent driven transmission chain wheels are connected through the chain respectively to complete transmission.
The third scheme is as follows: set up the drive transmission sprocket in the pivot of being connected with first drive sprocket or first driven sprocket in first conveying assembly, set up the transmission shaft on first conveying part 22, set up middle drive sprocket on the transmission shaft, drive transmission sprocket passes through the chain and is connected with middle drive sprocket, and earlier power transmission to transmission shaft sets up driven transmission sprocket on each first conveying roller, and the transmission shaft passes through chain drive with driven transmission sprocket to distribute power to each first conveying roller.
Likewise, specific embodiments of the second transmission include a plurality of:
the first scheme is as follows: and a driving transmission chain wheel is arranged on a rotating shaft connected with a second driving chain wheel or a second driven chain wheel in the second conveying assembly, a driven transmission chain wheel is arranged on each second conveying roller, and each driven transmission chain wheel is connected with the driving transmission chain wheel through a chain so as to complete transmission.
Scheme II: and a driving transmission chain wheel is arranged on a rotating shaft connected with the second driving chain wheel or the second driven chain wheel in the second conveying assembly, a driven transmission chain wheel is arranged on each second conveying roller, the driving transmission chain wheel is connected with the driven transmission chain wheel closest to the driving transmission chain wheel through a chain, and two adjacent driven transmission chain wheels are respectively connected through the chain to complete transmission.
The third scheme is as follows: set up the drive sprocket in the pivot of being connected with second drive sprocket or second driven sprocket in second conveying assembly, set up the transmission shaft on second conveying part 23, set up middle drive sprocket on the transmission shaft, drive sprocket passes through the chain and is connected with middle drive sprocket, and earlier power transmission to transmission shaft sets up driven drive sprocket on each second conveying roller, and the transmission shaft passes through chain drive with driven drive sprocket to distribute power to each second conveying roller.
It is to be understood that specific embodiments of the first and second transmission mechanisms include, but are not limited to, the above.
In any of the above-described embodiments, it is preferable that the line speeds of the first conveyance unit 1, the second conveyance unit 3, the first conveyance unit 22, and the second conveyance unit 23 are equal to each other.
In the scheme, the first conveying assembly unit 1 and the second conveying assembly unit 3 adopt a conventional chain plate conveying device, so that the first conveying assembly unit 1 and the second conveying assembly unit 3 are low in cost and stable and reliable in conveying. The first drive 11 and the second drive 31 typically comprise an electric motor and a reduction gear.
As can be seen more clearly from fig. 2, the gap 25 allows the radiation to pass therethrough without passing through the first conveying portion 22 and the second conveying portion 23, and when the vehicle to be detected is conveyed over the first conveying portion 22 and the second conveying portion 23, the vehicle to be detected may pass through the scanning of the radiation as the vehicle to be detected is conveyed forward, and the radiation may pass through the gap 25 after passing through the vehicle to be detected without passing through the first conveying portion 22 and the second conveying portion 23 to reach the detecting device disposed below the vehicle conveying device, so that the scanned pattern is not blocked, and the vehicle to be detected is detected without leaving a dead angle.
The first conveying assembly unit 1 and the second conveying assembly unit 3 adopt a conventional chain plate conveying device to convey the vehicle to be detected, the first conveying part 22 and the second conveying part 23 adopt the rotation of conveying rollers to convey the vehicle to be detected, and the first conveying assembly unit 1 and the second conveying assembly unit 3 respectively drive the first conveying part 22 and the second conveying part 23 through the first transmission mechanism 15 and the second transmission mechanism 35 to enable the conveying rollers in the first conveying part 22 and the second conveying part 23 to rotate to convey the vehicle to be detected. The combination mode enables the first conveying part and the second conveying part to no longer need driving devices, and the design reduces the number of the driving devices and reduces the cost of the conveying devices.
The above is merely a preferable embodiment, and the present embodiment is not limited thereto, and the first conveying unit 22 and the second conveying unit 23 may be driven by another driving method.
The vehicle transport apparatus 10 included in the vehicle detection system of the present embodiment is described in more detail below with reference to fig. 5 to 7.
As shown in fig. 5 and 6, the vehicle transport apparatus further includes a first frame 21 supporting the first transport unit 22 and hinged to the first transport unit 22, and a second frame 21 supporting the second transport unit 23 and hinged to the second transport unit 23, wherein the first transport unit 22 is rotatable with respect to the first frame 21, and the second transport unit is rotatable with respect to the second frame 23.
The first and second conveying parts 22 and 23 are located above an installation space 24 of the horizontal sensing device, and the installation space 24 is exposed by rotating the first and second conveying parts 22 and 23, so that the horizontal sensing device can be installed and repaired.
In any of the above technical solutions, preferably, one end of the first conveying part 22 close to the first conveying assembly unit 1 is hinged to the bracket 21, so that the first conveying part 22 can rotate up and down relative to the bracket 21; one end of the second conveying part 23 close to the second conveying assembly unit 3 is hinged to the bracket 21 so that the second conveying part 23 can rotate up and down relative to the bracket 21.
In this scheme, the one end that its clearance 25 was kept away from to first conveying part 22 and second conveying part 23 is articulated with support 21 respectively for first conveying part 22 and second conveying part 23 can the outside respectively and rotate, so that horizontal detection device's installation space 24 exposes completely, in order to make things convenient for workman to install horizontal detection device or overhaul horizontal detection device.
As shown in fig. 4 to 6, in any of the above solutions, preferably, the intermediate conveying assembly unit 2 further includes: at least one handle 4, a first conveyor 22 and a second conveyor 23 are each detachably connected to the handle 4.
When first conveying portion 22 and second conveying portion 23 need to be rotated, install handle 4 on first conveying portion 22 and second conveying portion 23 to reduce the operation degree of difficulty of rotating first conveying portion 22 and second conveying portion 23, make things convenient for workman's operation, accomplish horizontal detection device's installation or maintenance work after, turn back horizontal position with first conveying portion 22 and second conveying portion 23, pull down handle 4 again, so that middle transport assembly unit 2 can normally carry out the transportation work.
Specifically, the handle 4 and the first and second conveying portions 22 and 23 may be fixed by bolts; or the bottom of the handle 4 can be provided with screw threads, the first conveying part 22 and the second conveying part 23 are respectively provided with through holes, and the bottom of the handle 4 is fixed through a connecting piece provided with matched screw threads after penetrating through the through holes. Of course, the mounting manner of the handle 4 includes, but is not limited to, the above two.
As shown in fig. 2 and 5, in any of the above solutions, preferably, the intermediate conveying assembly unit 2 further includes: at least one fixing piece 5, the fixing piece 5 can be connected with the first conveying part 22 at one end and connected with the second conveying part 23 at the other end, and the first conveying part 22 and the second conveying part 23 can be fixed through the fixing piece 5 when being in horizontal positions.
In this scheme, when first conveying part 22 and second conveying part 23 all were in horizontal position, fixed through mounting 5, avoided first conveying part 22 and second conveying part 23 to rotate relative support 21 when carrying the vehicle to guarantee to carry the work and go on steadily.
Alternatively, both ends of the fixing member 5 may be fixed to the first conveying part 22 and the second conveying part 23 by bolts, respectively. Of course, other fixing methods can be selected for the fixing member 5.
The design can ensure that the conveying device always conveys the vehicle at a constant speed, thereby ensuring the scanning imaging effect of the vehicle detection system.
As shown in fig. 2 and 3, in any of the above technical solutions, preferably, the first conveying part 22 includes more than two sub-conveying units 22-1 and 22-2 (two are taken as an example in fig. 2) arranged side by side in a direction perpendicular to a conveying direction of the vehicle to be detected (a direction indicated by an arrow Y in fig. 2 is perpendicular to the conveying direction of the vehicle to be detected); the second conveying portion includes two or more sub-conveying units 23-1 and 23-2 arranged side by side in a direction perpendicular to a conveying direction of the vehicle to be inspected.
In this scheme, vehicle conveyor includes two sub conveyor, and when carrying the vehicle, the sub conveyor in left side bears vehicle left side wheel, and the sub conveyor in right side bears vehicle right side wheel. Only one of the sub-conveyors is shown in fig. 2.
The scheme divides the first conveying part 22 and the second conveying part 23 into a left part and a right part, wherein the left part and the right part respectively comprise a bracket 21 and a first sub-conveying unit 22-1 and a second sub-conveying unit 22-2 which are composed of a plurality of conveying rollers; the second conveying section 23 is also divided into left and right two parts each including the carriage 21 and the first sub-conveying unit 23-1 and the second sub-conveying unit 23-2 composed of a plurality of conveying rollers.
The design has reduced the span of conveying roller like this, has strengthened the bearing capacity of conveying roller, prevents that the conveying roller from being buckled. And the first conveying part 22 and the second conveying part 23 are respectively divided into a left section and a right section, so that the weight of each section is smaller, a worker can rotate the section to complete the maintenance of the horizontal detection device, and the difficulty of the maintenance of the horizontal detection device is reduced.
According to the vehicle conveying device of the vehicle detection system, a gap can be reserved for the detection device to receive the rays passing through the vehicle to be detected, the rays do not pass through the vehicle conveying device and only pass through the vehicle to be detected, scanning is not blocked, and the vehicle to be detected can be detected without dead angles. And this vehicle conveyor can adopt the mode of segmentation transmission, reduces drive arrangement's quantity, reduces transmission cost, and the conveyor design according to the embodiment is nimble simultaneously, is convenient for install and maintain.
Accordingly, an embodiment of the first aspect of the present invention provides a vehicle conveying device for a vehicle detection system, the vehicle conveying device includes a first conveying assembly unit, an intermediate conveying assembly unit and a second conveying assembly unit which are arranged in a straight line and have consistent conveying directions, the intermediate conveying assembly unit is located between the first conveying assembly unit and the second conveying assembly unit, and the vehicle conveying device is used for conveying a vehicle to be detected from one end of the first conveying assembly unit away from the intermediate conveying assembly unit to one end of the second conveying assembly unit away from the intermediate conveying assembly unit; wherein the intermediate transfer assembly unit includes: the horizontal detection device comprises a bracket, a first end and a second end of the bracket are provided with installation spaces for installing the horizontal detection device; the first conveying part and the second conveying part are arranged in a straight line and are respectively arranged on the support and located above the installation space, a gap is formed between the first conveying part and the second conveying part, the gap is aligned to a ray inlet of the horizontal detection device, and the first conveying part and the second conveying part are used for conveying the vehicle to be detected.
This scheme is divided into the triplex with vehicle conveyor, the middle assembly unit that carries is located vehicle detecting system's radiation source below, the middle assembly unit that carries includes the support, first conveying part and second conveying part, vehicle detecting system's horizontal detection device installs in the installation space of support universe in advance, first conveying part and second conveying part have the clearance between, the ray export of radiation source and horizontal detection device's ray entry are aimed at in this clearance, the bundle of rays that the radiation source sent just passes above-mentioned clearance, so that conveyor can not appear on the scanning figure, thereby can solve the figure and shelter from the problem, promote the quality of scanning image by a wide margin.
In the above technical solution, preferably, the first conveying unit and the second conveying unit are respectively hinged to the support, so that the first conveying unit and the second conveying unit can rotate relative to the support.
The first conveying part and the second conveying part are positioned above an installation space of the horizontal detection device, and the installation space can be exposed by rotating the first conveying part and the second conveying part, so that the horizontal detection device can be installed and overhauled conveniently.
In any of the above technical solutions, preferably, one end of the first conveying part close to the first conveying assembly unit is hinged to the support, so that the first conveying part can rotate up and down relative to the support; one end of the second conveying part, which is close to the second conveying assembly unit, is hinged with the support, so that the second conveying part can rotate up and down relative to the support.
In this scheme, the one end in its clearance is kept away from to first conveying part and second conveying part is met with the support respectively for first conveying part and second conveying part can the outside respectively and rotate, so that horizontal detection device's installation space exposes completely, in order to make things convenient for workman's installation horizontal detection device or overhaul horizontal detection device.
In any one of the above technical solutions, preferably, the intermediate conveying assembly unit further includes: at least one handle, the first conveying portion and the second conveying portion are respectively detachably connected with the handle.
When first conveying part and second conveying part need to be rotated, install the handle on first conveying part and second conveying part to reduce the operation degree of difficulty that rotates first conveying part and second conveying part, make things convenient for workman's operation, accomplish horizontal detection device's installation or maintenance work back, turn back horizontal position with first conveying part and second conveying part, pull down the handle again, so that middle transport assembly unit can normally carry out transportation work.
Specifically, the handle, the first conveying part and the second conveying part can be fixed through bolts; the bottom of the handle can also be provided with threads, through holes are respectively formed in the first conveying part and the second conveying part, and the bottom of the handle is fixed through a connecting piece provided with matched threads after penetrating through the through holes. Of course, the mounting manner of the handle includes, but is not limited to, the above two.
In any one of the above technical solutions, preferably, the intermediate conveying assembly unit further includes: at least one fixing piece, fixing piece one end can with first transport portion is connected, the other end can with the second transport portion is connected, first transport portion with the second transport portion all can be in when horizontal position through the fixing piece is fixed.
In this scheme, when first conveying part and second conveying part all were in horizontal position, fixed through the mounting, avoided first conveying part and second conveying part support relatively to rotate when carrying the vehicle to guarantee to carry the work and go on steadily.
Alternatively, both ends of the fixing member may be fixed to the first conveying part and the second conveying part by bolts, respectively. Of course, other fixing modes can be selected for the fixing piece.
In any one of the above technical solutions, preferably, the first conveying assembly unit includes a first driving device and a first conveying assembly, the first driving device is configured to drive the first conveying assembly to perform conveying operation, a first transmission mechanism is disposed between the first conveying portion and the first conveying assembly or between the first conveying portion and the first driving device, and the first transmission mechanism is configured to drive the first conveying portion to perform conveying operation; the second conveying assembly unit comprises a second driving device and a second conveying assembly, the second driving device is used for driving the second conveying assembly to carry out conveying work, a second transmission mechanism is arranged between the second conveying part and the second conveying assembly or between the second driving device, and the second transmission mechanism is used for driving the second conveying part to carry out conveying work.
In the scheme, the first conveying assembly unit and the second conveying assembly unit are provided with driving devices, the middle conveying assembly unit is not provided with the driving devices, the first conveying part obtains power from the first conveying assembly unit through the first transmission mechanism, and the second conveying part obtains power from the second conveying assembly unit through the second transmission mechanism. Meanwhile, the middle conveying assembly unit is not provided with a driving device, so that the space occupied by the driving device is saved, and sufficient installation space is reserved for the horizontal detection device.
In any of the above technical solutions, preferably, the first conveying assembly includes a first conveying chain plate, a first driving sprocket and a first driven sprocket, the first driving sprocket and the first driven sprocket are respectively located at the front end and the rear end of the first conveying chain plate, and the first driving device drives the first conveying chain plate to move through the first driving sprocket; the second conveying assembly comprises a second conveying chain plate, a second driving chain wheel and a second driven chain wheel, the second driving chain wheel and the second driven chain wheel are respectively located at the front end and the rear end of the second conveying chain plate, and the second driving device drives the second conveying chain plate to move through the second driving chain wheel.
In the scheme, the first conveying assembly unit and the second conveying assembly unit adopt conventional chain plate conveying devices, so that the first conveying assembly unit and the second conveying assembly unit are low in cost and stable and reliable in conveying. The first and second drive devices usually comprise a motor and a reduction gear.
In any one of the above technical solutions, preferably, the first conveying part includes a plurality of first conveying rollers arranged side by side, and each first conveying roller can be driven by the first transmission mechanism to rotate; the second conveying part comprises a plurality of second conveying rollers arranged side by side, and the second conveying rollers can be driven by the second transmission mechanism to rotate.
In this scheme, first conveying part and second conveying part include a plurality of conveying rollers respectively, and the space that first conveying part of design and second conveying part occupy on the direction of height is little like this to can reserve sufficient installation space for horizontal detection device.
In any of the above technical solutions, preferably, the first conveying part and the first conveying assembly or the first driving device are driven by a chain; the second conveying part and the second conveying assembly or the second driving device are in chain transmission.
The first transmission mechanism and the second transmission mechanism are designed in such a way, so that the structure is simple, and the transmission effect is stable and reliable.
In any one of the above aspects, preferably, the first conveying unit, the second conveying unit, the first conveying unit, and the second conveying unit have the same conveying line speed.
The design can ensure that the conveying device always conveys the vehicle at a constant speed, thereby ensuring the scanning imaging effect of the vehicle detection system.
In any one of the above technical solutions, preferably, the intermediate conveying assembly unit includes two sub-conveying devices arranged side by side left and right, and each sub-conveying unit has a support, a first conveying portion, and a second conveying portion.
In this scheme, middle transport assembly unit includes two sub-conveying unit, and during the transport vehicle, the sub-conveying unit of left side bears vehicle left side wheel, and the sub-conveying unit of right side bears vehicle right side wheel. This scheme will be in the middle of carrying assembly unit and divide into two parts about, two parts all include the support and by first conveying part, the second conveying part that a plurality of conveying rollers constitute, the design has reduced the span of conveying roller like this, has strengthened the bearing capacity of conveying roller, prevents that the conveying roller from being buckled. And the middle conveying assembly unit is divided into a left part and a right part, so that the first conveying part and the second conveying part are respectively divided into a left section and a right section, thus the weight of each section is smaller, a worker can rotate the horizontal detecting device to complete the maintenance work of the horizontal detecting device, and the difficulty of the maintenance of the horizontal detecting device is reduced.
An embodiment of a second aspect of the invention provides a vehicle detection system comprising: the vehicle conveying device comprises a first conveying assembly unit, an intermediate conveying assembly unit and a second conveying assembly unit, the horizontal detection device is installed in an installation space of a support of the intermediate conveying assembly unit, the radiation source is installed above the intermediate conveying assembly unit, the two vertical detection devices are installed on the left side and the right side of the intermediate conveying assembly unit, and the horizontal detection device and the two vertical detection devices are used for receiving ray beams emitted by the radiation source.
The vehicle detection system provided by the embodiment of the second aspect of the present invention has the vehicle conveying device provided by any one of the embodiments of the first aspect of the present invention, and therefore, the vehicle detection system has all the beneficial effects of the vehicle conveying device provided by any one of the embodiments, and details are not repeated herein.
In the present invention, the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A vehicle detection system, comprising:
a radiation source device;
the vehicle conveying device is arranged below the radiation source device and is used for conveying a vehicle to be detected to receive rays radiated by the radiation source device;
the detection device is arranged below the vehicle conveying device and used for receiving the rays of the vehicle to be detected to perform imaging;
the vehicle conveying device comprises a first conveying part and a second conveying part which are arranged along the vehicle conveying direction, a gap is formed between the first conveying part and the second conveying part, and the first conveying part and the second conveying part are not in contact with each other, and the gap enables the rays to pass through the vehicle to be detected and not pass through the first conveying part and the second conveying part to reach the detection device; the vehicle conveying device further comprises a first conveying assembly unit connected with the first conveying part and a second conveying assembly unit connected with the second conveying part, the vehicle conveying device conveys the vehicle to be detected forwards along the first conveying assembly unit, the first conveying part, the second conveying part and the second conveying assembly unit, the first conveying part and the second conveying part are not provided with driving devices, the first conveying part is driven by the first conveying assembly unit, and the second conveying part is driven by the second conveying assembly unit.
2. The vehicle detecting system according to claim 1, wherein the first conveying portion includes a plurality of first conveying rollers arranged side by side, the first conveying rollers being driven to rotate by the first conveying assembly unit; the second conveying portion includes a plurality of second conveying rollers arranged side by side, and the second conveying rollers are driven by the second conveying assembly unit to rotate.
3. The vehicle detecting system according to claim 1, wherein the first conveying assembly unit includes a first driving device and a first conveying component, the first driving device is used for driving the first conveying component to perform conveying work, a first transmission mechanism is arranged between the first conveying part and the first conveying component or the first driving device, and the first transmission mechanism is used for driving the first conveying part; the second conveying assembly unit comprises a second driving device and a second conveying assembly, the second driving device is used for driving the second conveying assembly to carry out conveying work, a second transmission mechanism is arranged between the second conveying part and the second conveying assembly or between the second driving device and the second conveying assembly, and the second transmission mechanism is used for driving the second conveying part to carry out conveying work.
4. The vehicle detection system of claim 3, wherein the first conveyor assembly comprises a first conveyor flight, a first drive sprocket and a first driven sprocket, the first drive sprocket and the first driven sprocket being located at front and rear ends of the first conveyor flight, respectively, and the first drive mechanism moves the first conveyor flight via the first drive sprocket; the second conveying assembly comprises a second conveying chain plate, a second driving chain wheel and a second driven chain wheel, the second driving chain wheel and the second driven chain wheel are respectively located at the front end and the rear end of the second conveying chain plate, and the second transmission mechanism drives the second conveying chain plate to move through the second driving chain wheel.
5. The vehicle detection system of claim 4, wherein the first and second transmissions are chains.
6. The vehicle inspection system of any one of claims 1 to 5, wherein conveyor line speeds of the first conveyor assembly unit, the second conveyor assembly unit, the first conveyor section, and the second conveyor section are equal.
7. The vehicle detecting system according to claim 1, wherein the vehicle transporting device further includes a first bracket supporting the first transporting portion and hinge-jointed to the first transporting portion, and a second bracket supporting the second transporting portion and hinge-jointed to the second transporting portion, the first transporting portion being rotatable with respect to the first bracket, and the second transporting portion being rotatable with respect to the second bracket.
8. The vehicle detection system of claim 7, wherein an end of the first conveyor section proximate the first conveyor assembly unit is hingedly coupled to the first support to enable the first conveyor section to rotate up and down relative to the first support;
one end, close to the second conveying assembly unit, of the second conveying part is hinged to the second support, so that the second conveying part can rotate up and down relative to the second support.
9. The vehicle detection system according to claim 1, wherein the first conveyance section includes two or more sub conveyance units arranged side by side in a direction perpendicular to a conveyance direction of the vehicle to be detected; the second conveying section includes two or more sub-conveying units arranged side by side in a direction perpendicular to a conveying direction of the vehicle to be detected.
10. The vehicle detection system of claim 1, wherein the first and second transport portions each include at least one handle, the first and second transport portions each being detachably connectable with the handle.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2016107842476 | 2016-08-30 | ||
| CN201610784247.6A CN106185224A (en) | 2016-08-30 | 2016-08-30 | Vehicle transportation device and vehicle detecting system for vehicle detecting system |
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| Publication Number | Publication Date |
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| CN107576991A CN107576991A (en) | 2018-01-12 |
| CN107576991B true CN107576991B (en) | 2020-05-05 |
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| CN201610784247.6A Pending CN106185224A (en) | 2016-08-30 | 2016-08-30 | Vehicle transportation device and vehicle detecting system for vehicle detecting system |
| CN201710750102.9A Active CN107576991B (en) | 2016-08-30 | 2017-08-28 | Vehicle detection system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106904394A (en) * | 2017-03-29 | 2017-06-30 | 北京华力兴科技发展有限责任公司 | Vehicle transportation device and vehicle radiating scanography system |
| CN106932417B (en) * | 2017-03-30 | 2024-01-16 | 北京华力兴科技发展有限责任公司 | Motor-driven passenger car inspection device |
| CN107032050A (en) * | 2017-04-20 | 2017-08-11 | 北京华力兴科技发展有限责任公司 | Vehicle transportation device and vehicle radiating scanography system |
| CN107271465B (en) * | 2017-07-27 | 2024-03-05 | 同方威视技术股份有限公司 | Conveying device of vehicle inspection system and vehicle inspection system |
| CN110456421A (en) * | 2018-05-08 | 2019-11-15 | 清华大学 | Foldable vehicle conveying device and vehicle safety detection device |
| CN109835687A (en) * | 2019-03-21 | 2019-06-04 | 北京华力兴科技发展有限责任公司 | Vehicle transportation device and vehicle radiating scanning-detecting system |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN107576991A (en) | 2018-01-12 |
| CN106185224A (en) | 2016-12-07 |
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