CN1457317A - Spreader - Google Patents
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- Publication number
- CN1457317A CN1457317A CN 00819459 CN00819459A CN1457317A CN 1457317 A CN1457317 A CN 1457317A CN 00819459 CN00819459 CN 00819459 CN 00819459 A CN00819459 A CN 00819459A CN 1457317 A CN1457317 A CN 1457317A
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- China
- Prior art keywords
- detector
- suspender
- pick
- treater
- freight container
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Abstract
A spreader for lifting a freight container comprises a frame and two pairs of pickup elements. Each pair of pickup elements are mounted at opposite ends of the frame and the frame is adjustable to adjust the separation of the two pairs of pickup elements. A detector is movably mounted on the frame for movement between a first position in which the detector is closer to one pair of pickup elements and a second position in which the detector is closer to the other pair of pickup elements. The detector is adapted to detect a discontinuity in an object located below the spreader.
Description
The present invention relates to a kind of suspender that is used for the lifting cargo freight container.
Cargo-type container utilizes the big metal framework that is called as suspender to lift by crane usually, thereby wherein above-mentioned suspender matches with the top of freight container at four angles of cargo-type container freight container is sling.Suspender that can the single freight container of lifting normally can be regulated, like this it just can handling the freight container of virtually any size between 20～45 feet.
Yet, the operator is usually located at by in 60～80 feet the operator's compartment on the freight container that lifts by crane, he will think two end to end 20 forty equivalent unit 40s by mistake to be freight containers, particularly then easier generation misidentification when two freight containers have identical color of one 40 feet like this.If the operator attempts two 20 feet the freight container freight container as 40 feet is lifted by crane, then the twistlock parts of suspender only match with two twistlock holes of each freight container.
Therefore, when the operator slings suspender, the adjacent end portion of two 20 feet freight container does not have supported live, thereby then freight container will fall from suspender it is caused damage, and may damage being arranged in the freight container below the freight container that is lifted by crane and the goods of freight container.If freight container drops on the ship, the freight container that falls also can damage the structure of ship.In addition, the freight container that falls or other freight container that is moved by this freight container collision may cause serious injury near the people the freight container.Because 20 forty equivalent unit 40s will be greater than 20 tons together with the total weight of the goods in it, this is a very big potential safety hazard.
A first aspect of the present invention provides a kind of suspender that is used for the lifting cargo freight container, and this suspender comprises a framework; Two pairs of pick-up parts, thus its opposed end and framework of being installed in framework respectively are adjustable can the adjustment the spacing between above-mentioned two pairs of pick-up parts; One is installed on the framework movably so that the detector that moves between the primary importance and the second place, wherein above-mentioned detector is close a pair of pick-up part when primary importance, and when the second place near apart from another to pick-up part, this detector is suitable for the point of discontinuity of the object below the suspender is surveyed.
A second aspect of the present invention provides a kind of system that the point of discontinuity of the object below the suspender is surveyed of being used for, and this system comprises that one is installed on the suspender movably so that parallel mobile detector; A treater that is connected with detection, this treater receives the output signal from detector; One with treater bonded assembly warning device, during the point of discontinuity of the object under detector detects suspender, above-mentioned treater can trigger warning device.
Normally a kind of optical detector of detector is to survey changing from reflected by objects wavelength of light or luminosity under the suspender.In addition, detector can comprise a range finder, and so that the distance between the object under detector and the suspender is surveyed, this detector also can be the detector of any other type.
Preferably be provided with a driver train and drive detector and move between first and second positions, this driver train is a linear driving mechanism normally.In addition, this driver train can be a rotary-type driver train, for example carries out circumference or other nonlinear motion to drive detector.
This system also comprises a position transduser usually, and when detector was mobile between first and second positions, this position transduser can provide position of detector information for treater.The benefit of doing like this is to make treater determine the position that detector detects point of discontinuity.Therefore, when detector detected two point of discontinuitys, treater can calculate two distances between the point of discontinuity.If the object under the suspender is a freight container, then have two point of discontinuitys and just show that two freight containers are arranged under suspender, treater just can calculate two gaps between the freight container.When suspender is adjustable two of center pick-up part when playing slings, such mode is particularly useful because so that treater the position of center pick-up part is controlled, the gap of detecting between two freight containers under its position and the suspender is corresponding.
Position transduser is generally the wheel measuring device, as a kind of coder.In addition, position transduser also can be a linear measuring assembly.
Detector usually can with the straight line of the longitudinal axis bevel of suspender on move.Above-mentioned longitudinal axis from a pair of pick-up part extend to another to and pick-up part that each is right between straight line divide equally.The benefit of doing like this is that when detector moved in first and second positions, above-mentioned layout can reduce the distance between the y direction up-sampling point effectively.
Describe below with reference to the example of accompanying drawing suspender of the present invention, wherein:
Fig. 1 is the lateral plan that has the suspender of a detection system and have two 20 forty equivalent unit 40s under suspender.
Suspender 1 shown in Fig. 1 has a centre portion mounted thereto 11, and the telescopic boom 3 and 4 that is positioned at two opposed ends is installed on the centre portion 11.Each telescopic boom 3,4 all has a pair of twistlock parts 5 that are positioned at its outer end.These twistlock parts 5 are suitable for matching with the twistlock hole on freight container 7, the 17 upper corners parts 6.Be a drive track 8 below centre portion 11, the opto-electronic pickup 9 that moves along drive track 8 between first terminal 10 and second end 12 under the driving at driver train is being installed on the drive track 8.A coder 13 is connected with driver train and also can produces the output signal of expression sensor 9 position on drive track 8.The output signal of sensor 9 is represented the incident light wavelength of sensor 9.The output of sensor 9 and coder 13 all is connected with a treater (not shown), this treater can be handled also and can produce alerting signal on a warning device the above-mentioned output signal of sensor 9 and coder 13, above-mentioned warning device can be sound and/or video alarm device, hereinafter will be elaborated to this.In addition, suspender can stop its next step action automatically.
In use, thus telescopic boom 3,4 can stretch and picks up the freight container of different size between 20～45 feet.Yet, an operator will suspender 1 be handled when lifting by crane with moving containers by 60～80 feet position on the freight container that lifts by crane when being positioned at, if two 20 feet freight container 7,17 joins end to end and its color is identical or close, then the operator might think two 20 feet freight container 7,17 by mistake to be freight containers of one 40 feet.If it is one 40 feet freight container and reduce suspender 1 and attempted to pick up two freight containers at 7,17 o'clock that the operator thinks by mistake, sensor 9 will move forward and backward along drive track 8 between first terminal 10 and second end 12 and acquisition sensor 9 on the incident light wavelength.In the time of on sensor 9 is positioned at freight container 7, the light wavelength of being surveyed by sensor 9 is reflection from the wavelength of light of freight container 7 top surfaces and is roughly constant.Yet when sensor 9 moves to as shown in Figure 1 position, if sensor further moves right, sensor 9 will stop reflection being surveyed from the wavelength of light of the top surface of freight container 7, and the output signal of sensor 9 will change like this.Treater this is surveyed and to the warning device output alarm signal so that remind the operator under suspender, to detect a point of discontinuity, so just may represent that following object is not the freight container 7,17 of one 40 feet freight container but two 20 feet, wherein above-mentioned warning device can be a video and/or audible alarm unit.So just can make the operator check that two following freight containers are one 40 feet or two 20 feet freight container 7,17, and if desired, thus the position that can also change between two pairs of twistlock parts 5 distance and suspender 1 one in 20 forty equivalent unit 40s 7,17 is lifted by crane.
In addition, when detecting the point of discontinuity of freight container 7 ends, treater utilizes coder 13 can determine the position of sensor 9, and when it reaches the edge of freight container 17, equally also can determine the place, position of the point of discontinuity that sensor 9 detects.So just can make treater determine distance between two freight containers 7,17.In the time of on detector 9 is placed in two slings, this point is particularly useful.If two slings are the fixing conventional two slings that rise of a center pick-up part, then treater can be determined and whether can lift by crane two freight containers simultaneously.In addition, if two slings have adjustable center pick-up part, then treater can be determined the gap between the freight container 7,17 and regulate the center pick-up part and outside pick-up part, utilizes two slings that rise simultaneously 20 feet freight container 7,17 to be lifted by crane thereby the spacing scalable like this between the pick-up part of center is appropriate.
Claims (16)
1, a kind of suspender of lifting cargo freight container, this suspender comprise a framework; Two pairs of pick-up parts, thus its opposed end and framework of being installed in framework respectively are adjustable can the adjustment the spacing between above-mentioned two pairs of pick-up parts; One is installed on the framework movably so that the detector that moves between the primary importance and the second place, wherein above-mentioned detector is close wherein a pair of pick-up part when primary importance, and when the second place near another to pick-up part, this detector is suitable for the point of discontinuity of the object below the suspender is surveyed.
2, suspender as claimed in claim 1, wherein detector comprises a kind of optical detector, to survey changing from reflected by objects wavelength of light or luminosity under the suspender.
3, suspender as claimed in claim 1 or 2, wherein detector can comprise a range finder, so that the variable in distance between the object under detector and the suspender is surveyed.
4, as at the described suspender of preceding arbitrary claim, also comprise a driver train that detector is moved between first and second positions.
5, as at the described suspender of preceding arbitrary claim, wherein detector can with the straight line of the longitudinal axis bevel of suspender on move.
6, as each described suspender in the claim 1～5, wherein this detector moves on the nonlinear path between first and second positions.
7, a kind of system that the point of discontinuity of the object below the suspender is surveyed of being used for, this system comprises that one is installed on the suspender movably so that the detector that moves between the primary importance and the second place, wherein above-mentioned detector when primary importance near a pair of pick-up part wherein, and when the second place near another to pick-up part; One with survey the treater be connected, this treater receives the output signal from detector, and during the point of discontinuity of the object under detector detects suspender, above-mentioned treater produces an alarm output signal.
8, system as claimed in claim 7 also comprises a warning device, and this warning device is triggered by alarm output signal.
9, as claim 7 or 8 described systems, wherein alarm output signal can be ended the further action of suspender.
10, as each described system in the claim 7～8, wherein this detector comprises an optical detector.
11, as each described system in the claim 7～10, wherein this detector comprises a range finder.
12,, also comprise a driver train that detector is moved between the primary importance and the second place as each described system in the claim 7～11.
13, as each described system in the claim 7～12, also comprise a position transduser, when detector was mobile between first and second positions, this position transduser was used for providing position of detector information for treater.
14, system as claimed in claim 13, wherein position transduser comprises a wheel measuring device.
15, system as claimed in claim 14, wherein this wheel measuring device comprises a coder.
16, as each described system in the claim 7～15, wherein detector moves on a straight line with the longitudinal axis bevel of suspender.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP00819459 | 2000-04-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1457317A true CN1457317A (en) | 2003-11-19 |
| CN1214968C CN1214968C (en) | 2005-08-17 |
Family
ID=34178363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00819459 Expired - Fee Related CN1214968C (en) | 2000-04-24 | 2000-04-24 | Spreader |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1214968C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111854610A (en) * | 2020-07-29 | 2020-10-30 | 上海振华重工(集团)股份有限公司 | Device and method for identifying container |
-
2000
- 2000-04-24 CN CN 00819459 patent/CN1214968C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111854610A (en) * | 2020-07-29 | 2020-10-30 | 上海振华重工(集团)股份有限公司 | Device and method for identifying container |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1214968C (en) | 2005-08-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: NSL ENGINEERING PTE LTD Free format text: FORMER NAME OR ADDRESS: NATSTEEL ENGINEERING PTE. LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: Singapore City Patentee after: NSL Engineering Pte Ltd. Address before: Singapore City Patentee before: Natsteel Engineering Pte Ltd. |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050817 Termination date: 20100424 |