CN205192430U - Goods volume measuring device based on laser scanning range finding - Google Patents
Goods volume measuring device based on laser scanning range finding Download PDFInfo
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- CN205192430U CN205192430U CN201520951272.XU CN201520951272U CN205192430U CN 205192430 U CN205192430 U CN 205192430U CN 201520951272 U CN201520951272 U CN 201520951272U CN 205192430 U CN205192430 U CN 205192430U
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Abstract
The utility model discloses a goods volume measuring device based on laser scanning range finding, including conveyer belt, guide rail, laser sensor, two stands and two cantilevers, the guide rail setting is directly over the conveyer belt, and laser sensor installs on the guide rail, and article are placed on the conveyer belt, through the fastener fastening connection between stand and the wall, two stand parallel arrangement, the top of every stand all is connected with the one end of a cantilever, two cantilever parallel arrangement, and the other end of two cantilevers is connected with the both ends of guide rail through a connecting piece respectively. The utility model relates to a goods volume measuring device based on laser scanning range finding sets up laser sensor to make a round trip to slide on the guide rail, the goods above -mentioned to the below conveyer belt scans, and the whole system does not basically take effective ground working space, owing to set up the stand on the wall, does not influence workman's day -to -day work, basically need not change daily work habit yet.
Description
Technical field
The utility model relates to a kind of logistics transportation system, particularly relates to measurement of cargo measurement mechanism.
Background technology
Along with the continuous expansion of China's external contacts and international trade, the air transportation amount of cargoes imported and exported also increases sharply.After after World War II, large quantities of military aircraft proceeds to civilian transport, western developed country just starts to put forth effort development air transport cause, opens up international airline, progressively establishes global air transportation network.Along with the reply of world economy, the transport of international airline goods increases very fast.
Since reform and opening-up, along with rising appreciably of China's economic, the carriage of goods by air market development of China is swift and violent, and risen to 5,450,000 tons in 2012 by 8.9 ten thousand tons in 1980, average annual growth rate is more than 13.7%.In China, because the major part that the mail transportation of aviation goods is defeated relies on passenger plane bellyhold to carry, just being mainly present in passenger traffic produces maximum main cities, as Beijing, Shanghai, Guangzhou in the market that therefore goods postal transportation demand is the most vigorous.Between 20 years after from nineteen ninety, the goods postal in removing wherein some time measures volt, on the whole, handling capacity in Beijing, Shanghai, these main Chinese cities of Guangzhou increase respectively 5 times, 15 times with 4 times.Trace it to its cause, except apparent increase in demand is brought by the rapid growth of economy, carriage of goods by air amount this rise appreciably main or due to progressively the integrating with of the world, hub is more in depth dissolved in domestic, international logistics transportation network.
" 12 " period, freight-transport capacity, by defeated for the mail transportation of develop actively goods, improves energetically in civil aviaton of China, advances avigation cargo logistics, strengthens hinge construction.Expect 2015, China's air freight volume is by breakthrough 9,000,000 tons, and average annual growth by more than 10%, wherein the average annual amplification of express delivery will reach more than 20%.Visible, airfreight presents wide market outlook and powerful growth momentum.Along with this powerful growth momentum, how the existing aeronautical resources that utilizes of efficient high-speed carries out freight transportation, utilizes various advanced technology to improve the work efficiency of airfreight and security feature becomes particularly important.
The current involved key issue of Air Logistics mainly comprises: safety problem and efficiency.Wherein safety problem is mainly security consideration from goods itself from the viewpoint of following two: one, and one is that the angle of aviation safety transport is considered.At present, the security of aviation goods itself, accepts the means solution of X-ray safety inspection one by one by unit package.For aviation safety transport, the quality of goods itself concerns the safety of aircraft operation, aircraft overweight, may form safely serious threat for aviation flight.The safety check outlet of goods yard, current airport all has weighing-appliance, can carry out the weighing of weight, thus guarantee transporting safely of aircraft for entrucking to the goods on lorry.
With regard to efficiency, relate generally to the efficiency of airport shipment and the efficiency of air transportation.Wherein measurement of cargo is one of key issue affecting these two aspects efficiency.Because different cargo density is different, equal in quality measurement of cargo may have very large difference.Be no more than on the maximum hauled weight basis of aircraft meeting goods, the problem that actual volume has exceeded the maximum bellyhold volume of aircraft may be there is.Capacity issue never comes into one's own in airfreight field, is substantially all that the mode estimated by workman has been come.May be there are two kinds of problems in this mode: (1) overall arrears are estimated.Namely do not exceed standard under prerequisite ensuring the quality of products, estimate that volume is less than actual volume, result in the waste in aircraft dispatch space; (2) cumulative volume crosses estimation.Namely, under the prerequisite that do not exceed standard of ensuring the quality of products, the volume of estimation is greater than actual volume, causes transporting.Current airport measurement of cargo and mass measurement are all inner on airport, usually need the distance of transported great to hardstand after measurement.If cubing is inaccurate greatly have impact on the efficiency of shipping by causing returning to or supplementing of goods, therefore more accurate measurement is carried out to measurement of cargo very urgent.But Domestic Air Cargo Transport field, still without aviation goods cubing equipment, needs to research and develop new for aviation goods fast volume measuring equipment so far for this reason, fill up domestic airport measurement of cargo with this and measure that this is blank.
Utility model content
The purpose of this utility model is just to provide measurement of cargo measurement mechanism to solve the problem.
The utility model is achieved through the following technical solutions above-mentioned purpose:
Measurement of cargo measurement mechanism, comprises travelling belt, guide rail and laser sensor, and described guide rail is arranged on directly over described travelling belt, and described laser sensor is arranged on described guide rail, and article are placed on described travelling belt.
Particularly, also comprise two root posts and two cantilevers, described column be fastenedly connected by securing member between the walls, two described columns be arranged in parallel; Described in every root, the top of column is all connected with one end of a described cantilever, and two described cantilevers be arranged in parallel, and the other end of two described cantilevers is connected with the two ends of described guide rail respectively by a web member.
Further, described web member is bullet-proof deformation web member.
Effectively solve and come and go the vibration that produces in the process of action to the impact of data acquisition at laser sensor.
Further, described cantilever and described uprights vertical.
Further, the lower end of described column and earth surface.
Further, described laser sensor is equipped with propulsion system, and described laser sensor can along guide rail direction back and forth movement.
The beneficial effects of the utility model are:
The utility model measurement of cargo measurement mechanism, laser sensor is arranged on guide rail and slidably reciprocates, goods above lower conveyor belt is scanned, whole system does not take effective ground work space substantially, owing to arranging column on wall, do not affect the routine work of workman, substantially do not need to change daily work habit yet.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model measurement of cargo measurement mechanism;
Fig. 2 is cross section sector display principle schematic;
Fig. 3 is that cross section sector display realizes schematic diagram.
In figure: 1-column, 2-travelling belt, 3-web member, 4-guide rail, 5-laser sensor, 6-goods, 7-cantilever.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
As shown in Figure 1, the utility model goods 6 volume measurement device, comprise travelling belt 2, guide rail 4, laser sensor 5, two root post 1 and two cantilevers 7, guide rail 4 is arranged on directly over travelling belt 2, laser sensor 5 is arranged on guide rail 4, and article are placed on conveyor belt 2; Column 1 be fastenedly connected by securing member between the walls, two columns 1 be arranged in parallel; The top of every root post 1 is all connected with one end of a cantilever 7, and two cantilevers 7 be arranged in parallel, and the other end of two cantilevers 7 is connected with the two ends of guide rail 4 respectively by a web member 3; Web member 3 is bullet-proof deformation web member 3; Cantilever 7 is vertical with column 1; The lower end of column 1 and earth surface; Laser sensor 5 is equipped with propulsion system, and laser sensor 5 can along guide rail 4 direction back and forth movement.
Considering the work habit of staff, in order to simplify workflow when not changing work on hand flow process as far as possible, reducing workload, volume data is exported and shows consistent with the output of weighbridge data and display mode/form.Specific works flow process is as follows: after first weighbridge opened by wooden handcart, and workman starts to remove goods 6 from travelling belt 2 toward car, starts artificial to software typing manifest number simultaneously.Treat that goods 6 is carried to terminate, the volume (weigh and the data processing method of surveying volume is accomplished identical, synchronous) of weighing and surveying goods 6 of goods 6 completes.
The utility model also possesses following advantage:
1, speed is calculated fast;
2, accuracy is high;
3, do not affect normal order of work as far as possible.
As shown in Figure 2, the scanning theory of cross-sectional scans utilizes a Laser video camera head, and at fan-shaped boundary in-plane moving, measuring the vector distance information within the scope of sector crosssection, then according to angular relationship, is the range information that should put by vector distance convert information.
Wherein H
tfor goods 6 height, D
jfor the integration amount of goods 6 on width, L
kfor the integration amount of goods 6 in length, h1 is the distance (in figure do not mark) of laser sensor 5 to ground, then according to geometric relationship, this scheme volume can calculate by following scheme:
V＝∫∫∫(H
t×D
j×L
k)dtdjdk
h＝l×cosθ
Ht＝h-h1
Therefore in this project, in order to obtain the elevation information in goods 6 cross section, a fan laser sensor 5 can be adopted equally to solve, this laser sensor 5 can obtain the vector distance information of a sector crosssection coboundary, and be not only single-point range information, therefore utilize this sweeping scheme, the task to the information acquisition of goods 6 depth of section can be completed equally.The angle that certain this scan mode can cover has certain scope, and this angular range depends on the distance between goods 6 to be measured and laser sensor 5.Therefore need test synthesis by experiment to calculate and obtain most suitable matching distance, make goods 6 entirety can be positioned at scanning area scope, laser sensor 5 is more moderate again with the difference in height between goods 6 simultaneously.Ensure that under correct matching distance prerequisite, the stability of scan-data also to be taken into account.The concrete measuring principle figure of system is as shown in Figure 3:
And due to the utility model sampling data be discrete sampling, therefore realizing formula is:
V＝∑H
t×D
k×
△L
D
k＝h
t×[tanα-tan(α-θ)]
Wherein H
tfor the one point data that single-point laser laser sensor 5 gathers, D
kspacing between two single-point light-concentrating laser sensors 5,
△l is sampling interval, and α is the angle of measurement point and pedal line, and θ is the minimum interval of laser sensor 5.
The advantage of adopting in this way is: (1) installs simple, minimum needs laser sensor 5 under the prerequisite of complete measument target; (2) moderate cost, uses the hardware cost of such laser sensor 5 will far below the total cost of above-mentioned 30 single-point laser sensors 5; (3) interval between each sector display data is little, and scanning result precision is high, and current scanning angle precision is the highest can reach 0.25 degree; (4) sweep frequency is high.By the investigation of field condition exported for airfreight goods 6 safety check, require that the cycle of scanning survey is shorter, this just requires that the data acquisition speed of scanner is fast certainly.Current sweep frequency can reach 50Hz, compares and is applicable to this data acquisition situation fast.
Although be explained in detail the utility model above, be not limited thereto, the embodiment that those skilled in the art can not depart from its Spirit Essence or essential feature by other realizes.Therefore, all record according to the utility model in various amendments that perhaps principle is carried out all should be understood to fall into protection domain of the present utility model.
Claims (6)
1. measurement of cargo measurement mechanism, is characterized in that: comprise travelling belt, guide rail and laser sensor, and described guide rail is arranged on directly over described travelling belt, and described laser sensor is arranged on described guide rail, and article are placed on described travelling belt.
2. measurement of cargo measurement mechanism according to claim 1, is characterized in that: also comprise two root posts and two cantilevers, described column be fastenedly connected by securing member between the walls, two described columns be arranged in parallel; Described in every root, the top of column is all connected with one end of a described cantilever, and two described cantilevers be arranged in parallel, and the other end of two described cantilevers is connected with the two ends of described guide rail respectively by a web member.
3. measurement of cargo measurement mechanism according to claim 2, is characterized in that: described web member is bullet-proof deformation web member.
4. measurement of cargo measurement mechanism according to claim 2, is characterized in that: described cantilever and described uprights vertical.
5. measurement of cargo measurement mechanism according to claim 2, is characterized in that: the lower end of described column and earth surface.
6. measurement of cargo measurement mechanism according to claim 1, is characterized in that: described laser sensor is equipped with propulsion system, and described laser sensor can along guide rail direction back and forth movement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520951272.XU CN205192430U (en) | 2016-03-03 | 2016-03-03 | Goods volume measuring device based on laser scanning range finding |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520951272.XU CN205192430U (en) | 2016-03-03 | 2016-03-03 | Goods volume measuring device based on laser scanning range finding |
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| CN205192430U true CN205192430U (en) | 2016-04-27 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106767399A (en) * | 2016-11-11 | 2017-05-31 | 大连理工大学 | The non-contact measurement method of the logistics measurement of cargo found range based on binocular stereo vision and dot laser |
| CN109870386A (en) * | 2019-04-03 | 2019-06-11 | 浙江省工程物探勘察院 | Geotechnical investigation test specimen density measurement system |
| CN110081822A (en) * | 2019-06-04 | 2019-08-02 | 圆通全球集运有限公司 | A kind of mobile device of the measurement charging ratio based on laser sensor |
| CN110375647A (en) * | 2019-07-24 | 2019-10-25 | 海安光易通信设备有限公司 | A kind of full automatic end surface of optical fiber connector detection device |
| CN110966938A (en) * | 2019-12-24 | 2020-04-07 | 江门市安诺特炊具制造有限公司 | Automatic measuring device and measuring method for bottom concave of cooker |
-
2016
- 2016-03-03 CN CN201520951272.XU patent/CN205192430U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106767399A (en) * | 2016-11-11 | 2017-05-31 | 大连理工大学 | The non-contact measurement method of the logistics measurement of cargo found range based on binocular stereo vision and dot laser |
| CN106767399B (en) * | 2016-11-11 | 2018-11-09 | 大连理工大学 | The non-contact measurement method of logistics goods volume based on binocular stereo vision and dot laser ranging |
| CN109870386A (en) * | 2019-04-03 | 2019-06-11 | 浙江省工程物探勘察院 | Geotechnical investigation test specimen density measurement system |
| CN109870386B (en) * | 2019-04-03 | 2024-06-07 | 浙江省工程物探勘察设计院有限公司 | Sample density testing system for rock-soil investigation test |
| CN110081822A (en) * | 2019-06-04 | 2019-08-02 | 圆通全球集运有限公司 | A kind of mobile device of the measurement charging ratio based on laser sensor |
| CN110375647A (en) * | 2019-07-24 | 2019-10-25 | 海安光易通信设备有限公司 | A kind of full automatic end surface of optical fiber connector detection device |
| CN110966938A (en) * | 2019-12-24 | 2020-04-07 | 江门市安诺特炊具制造有限公司 | Automatic measuring device and measuring method for bottom concave of cooker |
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