CN203529276U - Scraping plate collecting device and bulk-cargo ship loaded-cargo self-unloading device manufactured through scraping plate collecting device - Google Patents
Scraping plate collecting device and bulk-cargo ship loaded-cargo self-unloading device manufactured through scraping plate collecting device Download PDFInfo
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- CN203529276U CN203529276U CN201320607720.5U CN201320607720U CN203529276U CN 203529276 U CN203529276 U CN 203529276U CN 201320607720 U CN201320607720 U CN 201320607720U CN 203529276 U CN203529276 U CN 203529276U
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Abstract
The utility model provides a scraping plate collecting device which comprises at least one scraping plate, a transmission device, power mechanisms and stand columns. The scraping plate is used for scraping and conveying cargoes to a cargo opening, the transmission device is formed by a steel rope and/or chain and a plurality of pulleys and used for drawing the scraping plate to move to the cargo opening from a scraping starting opening in the horizontal direction, the power mechanisms are used for providing power for the transmission device, and the stand columns are fixedly arranged in a cabin and used for supporting the scraping plate and the transmission device. The scraping plate collecting device is used for collecting bulk cargoes in the cabin, and a bulk-cargo ship loaded-cargo self-unloading device is further designed according to the scraping plate collecting device. The bulk-cargo ship loaded-cargo self-unloading device further comprises a lifting device, a conveying device and a control mechanism, wherein the lifting device is used for lifting the cargoes scraped and fed by the scraping plate collecting device, the conveying device is connected to the downstream position of the lifting device and used for conveying the cargoes lifted by the lifting device to a receiving device at a wharf, and the control mechanism is used for controlling various components of the bulk-cargo ship loaded-cargo self-unloading device to run. The aim of unloading powder/particle cargoes in a bulk-cargo ship can be conveniently achieved.
Description
Technical field
The utility model relates to ship domain, refers to especially a kind of bulge carrier boat-carrying powder (particle) material automatic unloading equipment of scraping plate collector and utilizing its making.
Background technology
The current powder of bulge carrier boat-carrying or the unloading manner of particulate material, as take bulk cement as example, can only cement be transported to port of destination harbour with bulge carrier at present, then at port of unloading harbour, ship unloading equipment being installed unloads, ship unloading equipment is generally negative pressure and inhales unloading and spiral unloading equipment, concrete mode is as follows: goods is fed in to the storage tank that install at harbour by conveying hoisting equipment by goods from cabin is extracted out, then from the outdevice of storage tank, to tank car, implement entrucking.
The use of this kind equipment must obtain aspect, harbour and coordinate, equipment forever carry out this type of operation after installing, and occupied this port berth, in fact just becoming " appropriate berth ", " single user wharf " cannot be as his way, the mode of unloading a ship of this equipment has caused the handling of this type of bulk goods costly, and can only be at the specific harbour installation of minority.Also the transport vehicle that therefore causes receiving goods walks to specific harbour as ways far away such as bulk cement carriers and carries out entrucking, then is transported to the destination in inland.And as bulk cement carrier class because of its special construction can only be specialized equipment, traffic cost wants high a lot of with respect to other vehicles, has caused the high of this type of goods transportation expenses between cities.
In addition, bulk cement is dust-like goods, and the damp atmosphere on the strong wind at harbour, seashore and even water are had to extra-high-speed requirement, slightly uncomfortable, will cause goods total loss, inestimable.Therefore, must at harbour, build the storage tank of the upper ten thousand stere matching with ship unloading equipment, to ensure the whereabouts after goods is unloaded a ship, then also will manage and externally entrucking output goods.
Utility model content
The utility model proposes a kind of plate collector of scraping, solved the problem that in cabin, bulk material is collected automatically; And provide and utilize this to scrape the bulge carrier boat-carrying material automatic unloading equipment that plate collector is made, can realize the Self-tipping of bulge carrier boat-carrying material.
Because be the ship for transportation bulk goods, the material of how collecting in cabin is the problem that needs solve, and the utility model provides a kind of simple and practical gathering-device; Its technical scheme is achieved in that
Scrape a plate collector, its agent structure comprises:
At least one scraper plate, for delivering to material scraper in material mouthful;
Driving device, consists of steel cable and/or chain and some pulleys, for drawing scraper plate, begins to scrape opening's edge horizontal direction run to material mouthful from cabin;
Actuating unit, for providing power to driving device;
Column, it is fixedly installed in cabin, for support scratch board and driving device.
As an improvement of technique scheme, this gathering-device is also provided with the second propulsion source, for adjusting driving device and scraper plate vertically moves up and down.The second propulsion source can be arranged on column.
As a preferred implementation of technique scheme, described scraper plate is made by angle steel.Concrete, utilize limit of angle steel to be used as downward vertically scraper plate and carry out scraper, because the weight of angle steel itself is larger, can naturally descend pressure handle material to scrape, and it be scraped to mouthful scraping delivery from beginning extremely to material mouthful.
As a preferred implementation of technique scheme, described actuating unit is winch.
As a preferred implementation of technique scheme, the second propulsion source is preferably electric block.
A specific embodiment as technique scheme, described driving device adopts steel cable and/or chain etc. and some pulleys to form, described steel cable and/or chain form C/LOOP, horizontal two ends in described C/LOOP are respectively equipped with pulley, thereby steel cable and/or chain can be moved around pulley rolling.C/LOOP at least arranges two covers, is separately positioned on the position of scraper plate length both sides.The pulley that steel cable and/or chain are closed in loop is divided into upper and lower, steel cable and/or the chain of two cover C/LOOP middle and lower parts fix with the two ends of scraper plate respectively, and draw scraper plate with the operation of driving device walking in a horizontal state, make the whole rolling equipment that forms similar " scooter " formula of scraper plate and driving device.Pulley rolling equipment is all by the upright supports that is fixed on cabin, and is provided with the second propulsion source, can be arranged on described column, for adjusting scraper plate and driving device vertically moves up and down; Concrete, " scooter " weight itself can make it along with height of materials slides downwards, and the second propulsion source on column can guarantee that " scooter " upwards promotes, and the quantity of column and the second propulsion source can arrange as the case may be.
Concrete set-up mode is given an example with steel cable: in the beginning of cabin, scrape mouth and to material mouthful place, in the position of scraper plate length both sides, a set of pulley wire rope gearing is installed respectively, every side steel cable is by four pulley support and form C/LOOP, can move around pulley.Steel cable is divided into upper steel cable and lower steel cable by pulley, and each is fixedly used for driving the walking of scraper plate along continuous straight runs scraper in an end of scraper plate the lower steel cable in two complete equipments.On lower steel cable, can fix a scraper plate, also fixing polylith scraper plate across a certain distance mutually.Every cover pulley gearing is all by the upright supports of fixing belowdecks, and the quantity of described column and position arrange according to cabin and driving device particular case.On column, be also provided with the second propulsion source, for controlling driving device and its fixing scraper plate in the lifting of vertical direction.
The pulley steel cable rolling equipment of take below illustrates its principle of work as example:
When a cabin that has stored material will be unloaded, use the second propulsion source adjusting transmission device of column and the height of scraper plate, make it to be positioned at material upper level.Then make the direct join that lets droop of limit of angle steel stretch in material, make afterwards actuating unit start working as winch, drive the steel cable of driving device to turn round around pulley, the lower steel cable of described driving device drives scraper plate to scrape mouthful place along continuous straight runs court to expecting mouth walking by the beginning, and the material collection scraping delivery of place of arrival is expected to mouth to arriving.Then allow actuating unit as winch drives in the wrong direction, drag scraper plate to be stood up to the beginning scrape a mouthful reversion, thereby complete scraper process one time.Above process iterative cycles.And along with decline driving device and the scraper plate of height of materials can decline under self gravitation, be positioned at all the time material upper surface, can certainly be by the second propulsion source adjusting transmission device of column and the height of scraper plate.Above process is carried out repeatedly, until scrape cabin bottom.
The utility model also provides a kind of bulge carrier boat-carrying material automatic unloading equipment, and it uses the above-mentioned material of scraping in plate collector collecting ship cabin, and comprises:
Bont, for promoting the material of sending here by scraping plate collector;
Feedway, is connected to bont downstream position, for mass transport that bont is brought up to the receiving device on harbour;
Control mechanism, for the operation of each parts of control convenience.
As an optimal way of technique scheme, described bont is THG pattern bucket elevator.It can be arranged on ship side one side, or midship.
As an optimal way of technique scheme, described feedway is conveyor screw.
Concrete, the material of bont output by rubber tube and feedway for example conveyor screw be connected; Feedway is delivered directly to the receiving device that is parked on harbour for example among tank car by material, completes entrucking.
As an improvement of above-mentioned bulge carrier boat-carrying material automatic unloading equipment, described in scrape plate collector and have large and small two covers that principle of design is identical to scrape plate collector; Scrape greatly plate collector for collection material and pushed near bont position; The little plate collector of scraping is arranged on bont position, for the material scraper that large scraper plate is sent here, enters bont.
Concrete, if bont alongside arranges, the little plate collector of scraping can be arranged on to bont one side; Or when bont is arranged on amidships, can little screeding device be installed respectively in bont both sides.
The upper and lower adjustment of large and small scraper plate all can provide power by the second propulsion source, scraper from top to down, until scrape cabin bottom.
The principle of large and small scraper plate is the same, and the width of the region cabin that sets according to the width of cabin bottom and this scraper plate of the width of large and small scraper plate and length is determined; Rational scraper plate length is set thus, has solved the not problem that clears the ship of wide cabin.
As another improvement of above-mentioned bulge carrier boat-carrying material automatic unloading equipment, described large screeding device comprises several phases large scraper plate across a certain distance, and the stroke of every large scraper plate equals distance.For example, long 30 meters of cabin, can be decided to be 6-10 rice by the stroke of each scraper plate in large screeding device, on lower steel cable, at interval of 6-10 meter ampere, fills a large scraper plate.Take spacing as 6 meters be example, from to material mouthfuls 6 meters to beginnings scrape mouthful direction respectively interval 6 meter amperes fill a scraper plate, so after 6 meters of each scraper plate scrapers, be to the end, now allow retrograde 6 meters of winch, and drag and scraper plate was stood up to the beginning scrape a mouthful reversion, complete scraper process one time.
Why making such improvement, is when cabin length is long, and scraper plate is to the walking of material mouthful direction easily, but begins to scrape mouthful more difficult from returning to material mouth, after subsection setup, is beneficial to winch and drives in the wrong direction for dragging and make scraper plate stand up reversion.And so having decomposed the total kilometrage of scraper plate, the material that makes to be scraped is unlikely to pile up and reduces the speed of travel of screeding device, has improved material collection efficiency.
The above feedway is controlled by control mechanism is unified as conveyor screw, bont, the large and little plate collector of scraping, thereby can use flexibly as required each equipment to realize automation, unloads a ship.
The said equipment is installed on cabin and deck, becomes the complete automatic unloading equipment of the boat-carrying of boats and ships own; The supporting operation mode of this complete automatic unloading equipment and the loose general cargo ship general cargo ship that will fall apart has been transformed into movable dock, so just saved the trouble that unloading equipment is installed at destination harbour, and can not be subject to the restriction of berth terms, at any harbour, carry out bulk goods unloading, thereby saved the funds such as the harbour lease that bulk goods unloading need to drop into, equipment construction; And without the bulk shipping equipment after unloading, walk to specific harbour from afar and load, saved land transport cost; And realized direct docking the with land bulk shipping equipment, thereby saved, will on harbour, build ten thousand funds of closing a position storage.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation that the utility model is scraped a kind of embodiment of plate collector;
Fig. 2 is the structural representation of bulge carrier boat-carrying material automatic unloading equipment;
In figure: 1-scraper plate; 2-steel cable and/or chain; 3-pulley; 4-column; 5-the second propulsion source; 6-feedway; 7-bont; 8-actuating unit.
The specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figures 1 and 2, for the ship of transportation bulk goods, how collecting material in cabin is the problem that needs solve, and the utility model provides a kind of simple and practical plate collector of scraping; Its technical scheme is achieved in that
Scrape a plate collector, its agent structure comprises:
At least one scraper plate 1, for delivering to material scraper in material mouthful;
Driving device, consists of steel cable and/or chain 2 and some pulleys 3, for drawing scraper plate 1, begins to scrape opening's edge horizontal direction run to material mouthful from cabin;
Actuating unit 8, for providing power to driving device;
As an improvement of technique scheme, this gathering-device is also provided with the second propulsion source 5, for adjusting driving device and scraper plate 1 vertically moves up and down.The second propulsion source 5 can be arranged on column 4.
As a preferred implementation of technique scheme, described scraper plate 1 is made by angle steel.Concrete, utilize limit of angle steel to be used as downward vertically scraper plate 1 and carry out scraper, because the weight of angle steel itself is larger, can naturally descend pressure handle material to scrape, and it be scraped to mouthful scraping delivery from beginning extremely to material mouthful.
As a preferred implementation of technique scheme, described actuating unit 8 is winch.
As a preferred implementation of technique scheme, the second propulsion source 5 is preferably electric block.
A specific embodiment as technique scheme, described driving device adopts steel cable and/or chain 2 etc. and some pulleys 3 to form, described steel cable and/or chain 2 form C/LOOP, horizontal two ends in described C/LOOP are respectively equipped with pulley 3, thereby make steel cable and/or the chain 2 can be around pulley 3 rolling-operations.C/LOOP at least arranges two covers, is separately positioned on the position of scraper plate 1 length both sides.The pulley 3 that steel cable and/or chain 2 are closed in loop is divided into upper and lower, steel cable and/or the chain 2 of two cover C/LOOP middle and lower parts fix with the two ends of scraper plate 1 respectively, and draw scraper plate 1 with the operation of driving device walking in a horizontal state, make the whole rolling equipment that forms similar " scooter " formula of scraper plate 1 and driving device.Pulley rolling equipment is all supported by the column 4 that is fixed on cabin, and is provided with the second propulsion source 5, and it can be arranged on described column 4, for adjusting scraper plate 1 and driving device, vertically moves up and down; Concrete, " scooter " weight itself can make it along with height of materials slides downwards, and the second propulsion source 5 on column 4 can guarantee that " scooter " upwards promotes, and the quantity of column 4 and the second propulsion source 5 can arrange as the case may be.
Concrete set-up mode is given an example with steel cable: in the beginning of cabin, scrape mouth and to material mouthful place, in the position of scraper plate 1 length both sides, a set of pulley wire rope gearing is installed respectively, every side steel cable is by four pulley support and form C/LOOP, can move around pulley.Steel cable is divided into upper steel cable and lower steel cable by pulley, and each is fixedly used for driving scraper plate 1 along continuous straight runs walking scraper in an end of scraper plate 1 the lower steel cable in two complete equipments.On lower steel cable, can fix a scraper plate 1, also fixing polylith scraper plate 1 across a certain distance mutually.Every cover pulley gearing is all supported by the column 4 of fixing belowdecks, and the quantity of described column and position arrange according to cabin and driving device particular case.On column, be also provided with the second propulsion source 5, for controlling driving device and its fixing scraper plate 1 in the lifting of vertical direction.
The pulley steel cable rolling equipment of take below illustrates its principle of work as example:
When a cabin that has stored material will be unloaded, use the second propulsion source 5 adjusting transmission devices of column 4 and the height of scraper plate 1, make it to be positioned at material upper level.Then make the direct join that lets droop of limit of angle steel stretch in material, make afterwards actuating unit 8 start working as winch, drive the steel cable of driving device to turn round around pulley, the lower steel cable of described driving device drives scraper plate 1 to scrape mouthful place along continuous straight runs court to expecting mouth walking by the beginning, and the material collection scraping delivery of place of arrival is expected to mouth to arriving.Then allow actuating unit 8 as winch drives in the wrong direction, drag scraper plate 1 to be stood up to the beginning scrape a mouthful reversion, thereby complete scraper process one time.Above process iterative cycles.And along with decline driving device and the scraper plate 1 of height of materials can decline under self gravitation, be positioned at all the time material upper surface, can certainly be by the second propulsion source 5 adjusting transmission devices of column 4 and the height of scraper plate 1.Above process is carried out repeatedly, until scrape cabin bottom.
As shown in Figure 2, the utility model also provides a kind of bulge carrier boat-carrying material automatic unloading equipment, and it uses the above-mentioned material of scraping in plate collector collecting ship cabin, and comprises:
Bont 7, for promoting the material of sending here by scraping plate collector;
Control mechanism, for the operation of each parts of control convenience.
As an optimal way of technique scheme, described bont 7 is THG pattern bucket elevator.It can be arranged on ship side one side, or midship.
As an optimal way of technique scheme, described feedway 6 is conveyor screw.
Concrete, the material of bont 7 outputs by rubber tube and feedway 6 for example conveyor screw be connected; Feedway 6 is delivered directly to the receiving device that is parked on harbour for example among tank car by material, completes entrucking.
Above-mentioned THG type bucket elevator and conveyor screw are prior art, and it specifically installs and uses mode can be referring to its product description, or correlation technique handbook.
As an improvement of above-mentioned bulge carrier boat-carrying material automatic unloading equipment, described in scrape plate collector and have large and small two covers that principle of design is identical to scrape plate collector; Scrape greatly plate collector for collection material and pushed near bont 7 positions; The little plate collector of scraping is arranged on bont 7 positions, for the material scraper that large scraper plate is sent here, enters bont 7.
Concrete, if bont 7 alongside settings can be arranged on bont 7 one sides by the little plate collector of scraping; Or when bont 7 is arranged on amidships, can little screeding device be installed respectively in bont 7 both sides.
The upper and lower adjustment of large and small scraper plate all can provide power by the second propulsion source 5, scraper from top to down, until scrape cabin bottom.
The principle of large and small scraper plate is the same, and the width of the region cabin that sets according to the width of cabin bottom and this scraper plate of the width of large and small scraper plate and length is determined; Rational scraper plate length is set thus, has solved the not problem that clears the ship of wide cabin.
As another improvement of above-mentioned bulge carrier boat-carrying material automatic unloading equipment, described large screeding device comprises several phases large scraper plate across a certain distance, and the stroke of every large scraper plate equals distance.For example, long 30 meters of cabin, can be decided to be 6-10 rice by the stroke of each scraper plate in large screeding device, on lower steel cable, at interval of 6-10 meter ampere, fills a large scraper plate.Take spacing as 6 meters be example, from to material mouthfuls 6 meters to beginnings scrape mouthful direction respectively interval 6 meter amperes fill a scraper plate, so after 6 meters of each scraper plate scrapers, be to the end, now allow retrograde 6 meters of winch, and drag and scraper plate was stood up to the beginning scrape a mouthful reversion, complete scraper process one time.
Why making such improvement, is when cabin length is long, and scraper plate is to the walking of material mouthful direction easily, but begins to scrape mouthful more difficult from returning to material mouth, after subsection setup, is beneficial to winch and drives in the wrong direction for dragging and make scraper plate stand up reversion.And so having decomposed the total kilometrage of scraper plate, the material that makes to be scraped is unlikely to pile up and reduces the speed of travel of screeding device, has improved material collection efficiency.
The above feedway 6 is controlled by control mechanism is unified as conveyor screw, bont 7, the large and little plate collector of scraping, thereby can use flexibly as required each equipment to realize automation, unloads a ship.The design of control mechanism is herein numerical control field common technique means, can design with reference to correlation technique handbook and textbook.
The said equipment is installed on cabin and deck, becomes the complete automatic unloading equipment of the boat-carrying of boats and ships own; The supporting operation mode of this complete automatic unloading equipment and the loose general cargo ship general cargo ship that will fall apart has been transformed into movable dock, so just saved the trouble that unloading equipment is installed at destination harbour, and can not be subject to the restriction of berth terms, at any harbour, carry out bulk goods unloading, thereby saved the funds such as the harbour lease that bulk goods unloading need to drop into, equipment construction; And without the bulk shipping equipment after unloading, walk to specific harbour from afar and load, saved land transport cost; And realized direct docking the with land bulk shipping equipment, thereby saved, will on harbour, build ten thousand funds of closing a position storage.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (8)
1. scrape a plate collector, it is characterized in that, comprising:
At least one scraper plate, for delivering to material scraper in material mouthful;
Driving device, consists of steel cable and/or chain and some pulleys, for drawing scraper plate, scrapes opening's edge horizontal direction run to material mouthful from beginning;
Actuating unit, for providing power to driving device;
Column, it is fixedly installed in cabin, for support scratch board and driving device.
2. the plate collector of scraping according to claim 1, is characterized in that:
The steel cable of described driving device and/or chain form C/LOOP, and in it, horizontal two ends are respectively equipped with pulley, and steel cable and/or chain can move around pulley rolling; C/LOOP at least arranges two covers, is separately positioned on the position of scraper plate length direction both sides; Steel cable and/or chain are divided into upper and lower by pulley, and the steel cable of bottom and/or chain fix with the two ends of scraper plate respectively, and draw scraper plate with the operation of steel cable and/or chain walking in a horizontal state.
3. the plate collector of scraping according to claim 2, is characterized in that:
Also comprise the second propulsion source, for adjusting transmission device and scraper plate lifting vertically.
4. the plate collector of scraping according to claim 3, is characterized in that:
Described scraper plate is angle steel.
5. according to the bulge carrier boat-carrying material automatic unloading equipment of scraping plate collector design described in claim 1 to 4 any one, it is characterized in that, also comprise:
Bont, for promoting by scraping the next material of plate collector scraping delivery;
Feedway, is connected to bont downstream position, for mass transport that bont is brought up to the receiving device on harbour;
Control mechanism, for the operation of each parts of control convenience.
6. bulge carrier boat-carrying material automatic unloading equipment according to claim 5, is characterized in that:
The described plate collector of scraping is divided into large and small two covers that principle of design is identical and scrapes plate collector;
Scrape greatly plate collector for collection material and pushed near gig position;
The little plate collector of scraping is arranged on gig position, for the material scraper that large scraper plate is sent here, enters gig.
7. bulge carrier boat-carrying material automatic unloading equipment according to claim 6, is characterized in that:
Scrape greatly plate collector and comprise several phases large scraper plate across a certain distance.
8. bulge carrier boat-carrying material automatic unloading equipment according to claim 7, is characterized in that: scraping greatly every two flight pitches in plate collector is 6 meters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320607720.5U CN203529276U (en) | 2013-09-29 | 2013-09-29 | Scraping plate collecting device and bulk-cargo ship loaded-cargo self-unloading device manufactured through scraping plate collecting device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320607720.5U CN203529276U (en) | 2013-09-29 | 2013-09-29 | Scraping plate collecting device and bulk-cargo ship loaded-cargo self-unloading device manufactured through scraping plate collecting device |
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| CN203529276U true CN203529276U (en) | 2014-04-09 |
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| CN201320607720.5U Expired - Fee Related CN203529276U (en) | 2013-09-29 | 2013-09-29 | Scraping plate collecting device and bulk-cargo ship loaded-cargo self-unloading device manufactured through scraping plate collecting device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103523461A (en) * | 2013-09-29 | 2014-01-22 | 万国平 | Scraper plate collecting device and bulk cargo ship borne material self-discharging equipment manufactured by same |
| US10625960B2 (en) | 2016-02-12 | 2020-04-21 | Pioneer Maritime Pty Ltd | Cargo scraping apparatus and systems of unloading and loading cargo |
-
2013
- 2013-09-29 CN CN201320607720.5U patent/CN203529276U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103523461A (en) * | 2013-09-29 | 2014-01-22 | 万国平 | Scraper plate collecting device and bulk cargo ship borne material self-discharging equipment manufactured by same |
| US10625960B2 (en) | 2016-02-12 | 2020-04-21 | Pioneer Maritime Pty Ltd | Cargo scraping apparatus and systems of unloading and loading cargo |
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