CN103010945B - A kind of high crawl is grabbed bucket than bulk goods - Google Patents
A kind of high crawl is grabbed bucket than bulk goods Download PDFInfo
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- CN103010945B CN103010945B CN201210550416.1A CN201210550416A CN103010945B CN 103010945 B CN103010945 B CN 103010945B CN 201210550416 A CN201210550416 A CN 201210550416A CN 103010945 B CN103010945 B CN 103010945B
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Abstract
The invention discloses a kind of high crawl to grab bucket than bulk goods, comprise the symmetrically arranged bucket body of two lobes, intersect at hinge and the main muscle of the two panels be fixedly connected with, also comprise: rope guide rack, it is fixedly connected with at hinge place with the main muscle of two panels; A pair movable pulley, it to be arranged in corresponding bucket body and to be fixedly connected with the cramp bar in corresponding bucket body; One splits bucket cable, and its first end is connected with the cable that hoists of the hoisting crane of outside respectively, and its second end walks around the movable pulley of its correspondence respectively and the top of the main muscle corresponding with it is connected; A pair closed bucket rope cable, its first end is connected with the opening and closing cable of the hoisting crane of outside, and the bucket body that its second end is corresponding with its side after being wound around some circles along two of a pair movable pulley outside common tangents is respectively connected.The present invention not only captures than super large, greatly reduces the invalid load of grab bucket; And it is high from heavy and light, structural strength, greatly saves the energy overcoming grab bucket deadweight and consume, thus substantially increased efficiency of unloading a ship.
Description
Technical field
The present invention relates to a kind of bulk goods to unload a ship grab bucket instrument, particularly a kind of high crawl is grabbed bucket than bulk goods.
Background technology
Grab bucket is used to the important picking instrument capturing goods, is widely used in harbour handling operation, is particularly applied to the field of operation capturing bulk goods, as coal handling, and ore handling etc.; Meanwhile, grab bucket also may be used for the power tool that bulk goods grain is unloaded a ship.
In prior art, grab bucket according to purposes be divided into handling grab bucket and salvage or desilting grab bucket, handling grab bucket hoisting capacity little: between general 5 to 80 tons; Desilting is also little by grab bucket hoisting capacity, is mainly used in cleaning navigation channel mud; And the hoisting capacity of handling grab bucket is relatively large, need certain operating efficiency because unload a ship.At present, the grab bucket that largest domestic captures ratio captures than for 1:2.0, and grab bucket in the world captures than also in equal rank, but along with the development of boats and ships and shipping industry, larger-sized vessel is trend, and maritime industry is also along with keeping the large-scale development.Therefore, in bulk handling field, existing grab bucket captures than low, and operating efficiency is low, can not adapt to the trend of larger-sized vessel, and energy consumption is serious, constrains further developing of bulk handling.
Existing grab bucket mainly contains two large classes: long arm-tie type grab bucket and scissors grab, and long arm-tie type grab bucket comprises long strut, bucket body, and head etc.The grab bucket of this form, its grasp force is comparatively large, and structure stress form is good, and use relatively more extensive, grab bucket adopts long Jackstay type mostly, and particularly large-tonnage grab bucket mostly adopts long Jackstay type, and grasp force is larger, and stress form is good, ensure that the stability of structure.And scissors grab is due to version relative complex, application is less at present, and when equal hoisting capacity, scissors grab deadweight is lighter, captures than high.Current grab bucket adopts long arm-tie type grab bucket to carry out ship-discharging operation usually, particularly bulk goods grab bucket, ship-discharging operation is to liking bulge carrier, need to provide huge crawl ratio to unload bulge carrier, long strut grab bucket captures than there being certain restriction, just can not be high again after acquiring a certain degree, the maximum crawl of current long strut grab bucket is than accomplishing 1:2.0, improve and capture than being difficult to, this needs the pattern changing grab bucket, could improve the crawl ratio of grab bucket further; And scissors grab, structure is simple, and crawl amount is large, but structural strength is relatively large, how to improve to capture than and the safety of this body structure that ensures again to grab bucket, and this body structure that must ensure to grab bucket under large crawl ratio can the impact of bearing load.
Along with large-scale Logistics Equipment technology develops rapidly to maximization, high-technicalization direction, bulk goods grab bucket also develops to maximization, high efficiency, to adapt to the needs of bulk shipping development situation, development of new techniques.Existing bulk goods grab bucket schedule work reveals following features: first: grab bucket captures than increasing; Second: grab bucket work cycle is more and more frequent; 3rd: grab bucket hoisting capacity is increasing; 4th: grab bucket operating efficiency is high, requirement can unload bulge carrier at a high speed; 5th, grab bucket safety is high, and grab bucket not only will bear large hoisting capacity, and will capture material by the grasp force exported when capturing times over grab bucket deadweight, realizes ship-discharging operation.Therefore, grab bucket improves crawl and requires than just, grab bucket deadweight is as far as possible light, must meet structural strength high, provide load large, stability safety is high simultaneously, and novel grab bucket must meet under above requirement condition, deadweight is light as much as possible, reduces the energy consumption of invalid load, improves the commercial efficiency of grab bucket.
Summary of the invention
The object of this invention is to provide a kind of high crawl to grab bucket than bulk goods, not only capture than super large, greatly reduce the invalid load of grab bucket; And it is high from heavy and light, structural strength, greatly saves the energy overcoming grab bucket deadweight and consume, thus substantially increased efficiency of unloading a ship.
In order to realize above object, the present invention is achieved by the following technical solutions:
A kind of high crawl is grabbed bucket than bulk goods, comprises the symmetrically arranged bucket body of two lobes, the cramp bar that described bucket body comprises two blocks of bucket body side plates, bucket body base plate and is arranged on wherein; The respectively corresponding main muscle of two panels supporting two lobe bucket bodies, the main muscle of described two panels intersects at hinge and is fixedly connected with, and grabs bucket to do circular motion around this hinge, also comprises:
Rope guide rack, described rope guide rack is fixedly connected with at hinge place with the main muscle of two panels;
A pair movable pulley, described movable pulley to be arranged in corresponding bucket body and to be fixedly connected with the cramp bar in corresponding bucket body;
One splits bucket cable, described one splits bucket cable and two lobe bucket bodies and main muscle one_to_one corresponding, one first end splitting bucket cable is connected with the cable that hoists of the hoisting crane of outside respectively, and its second end walks around the movable pulley of its correspondence respectively and the top of the main muscle corresponding with it is connected;
A pair closed bucket rope cable, a pair described closed bucket rope cable and two lobe bucket body one_to_one corresponding, the first end of a pair closed bucket rope cable is connected with the opening and closing cable of the hoisting crane of outside, and the bucket body that its second end is corresponding with its side after being wound around some circles along two of a pair movable pulley outside common tangents is respectively connected.
Also comprise: a pair angle pulley, a pair described angle pulley and a pair closed bucket rope cable one_to_one corresponding, closed bucket rope cable commutates through angle pulley, and its starting point being wound around two outside common tangents of a pair movable pulley is on the movable pulley of opposite side bucket body.
Also comprise: four support roller devices, four described support roller devices are arranged on rope guide rack, and each support roller device one_to_one corresponding is held one and opened bucket cable or closed bucket rope cable.
Described closed bucket rope cable is 2.5 along the number of turns of two outside common tangents windings of a pair movable pulley.
The material of described bucket body is alloy steel.
Described bucket body also comprises: cutting edge, and described cutting edge and bucket body are welded to connect.
The material of described cutting edge is high strength steel.
Described hinge place is also provided with wear-resisting steel bushing.
Described open bucket cable and closed bucket rope cable is steel wire cable.
The present invention compared with prior art, has the following advantages:
1, not only capture than super large, reach 1:3.0, greatly reduce the invalid load of grab bucket;
2, high from heavy and light, structural strength, greatly save and overcome grab bucket and to conduct oneself with dignity the energy consumed, thus substantially increased efficiency of unloading a ship.
Accompanying drawing explanation
Fig. 1 be a kind of high crawl of the present invention than bulk goods grab bucket closed time overall structure schematic diagram;
Fig. 2 be a kind of high crawl of the present invention than bulk goods grab bucket open time overall structure schematic diagram;
Fig. 3 is the bucket body structural representation that a kind of high crawl of the present invention is grabbed bucket than bulk goods;
Movable pulley schematic diagram in Fig. 4 bucket body that to be a kind of high crawl of the present invention grab bucket than bulk goods;
To be a kind of high crawl of the present invention grab bucket than bulk goods Fig. 5 opens bucket and closed bucket rope cable winding schematic diagram;
Fig. 6 is the rope guide rack structural representation that a kind of high crawl of the present invention is grabbed bucket than bulk goods;
Fig. 7 is the left bucket body structural representation that a kind of high crawl of the present invention is grabbed bucket than bulk goods.
Detailed description of the invention
Below in conjunction with accompanying drawing, by describing a preferably specific embodiment in detail, the present invention is further elaborated.
As shown in Fig. 1 ~ 7, a kind of high crawl is grabbed bucket than bulk goods, comprises the symmetrically arranged bucket body 11 of two lobes, the cramp bar that bucket body 11 comprises two blocks of bucket body side plates 111, bucket body base plate 112 and is arranged on wherein, the material selection alloy steel of bucket body 11; The respectively corresponding main muscle 12 of two panels supporting two lobe bucket bodies 11, the main muscle 12 of two panels intersects at hinge 13 and is fixedly connected with, and grabs bucket to do circular motion around this hinge 13, also comprises: rope guide rack 5, a pair movable pulley 22, split bucket cable 3, a pair closed bucket rope cable 4.Wherein, rope guide rack 5 is fixedly connected with at hinge 13 place with the main muscle 12 of two panels, movable pulley 22 to be arranged in corresponding bucket body 11 and to be fixedly connected with the cramp bar in corresponding bucket body 11, one splits bucket cable 3 and two lobe bucket bodies 11 and main muscle 12 one_to_one corresponding, and a first end splitting bucket cable 3 is connected with the cable that hoists of the hoisting crane of outside respectively, and its second end walks around the movable pulley 22 of its correspondence respectively and the top of the main muscle 12 corresponding with it is connected, a pair closed bucket rope cable 4 and two lobe bucket body 11 one_to_one corresponding, the first end of a pair closed bucket rope cable 4 is connected with the opening and closing cable of the hoisting crane of outside, the bucket body 11 that its second end is corresponding with its side after being wound around some circles along two of a pair movable pulley 22 outside common tangents is respectively connected, in the present embodiment, closed bucket rope cable 4 is 2.5 along the number of turns of two outside common tangents windings of a pair movable pulley 22, by pulley block ratio amplification, pulley block system provides the pulley increase multiplying factor of 2.5 times by wirerope-winding mode, pulley multiplying power arranges rationally, the grab bucket that the present invention can be made new-type captures than larger, the experiment proved that, crawl can be reached and compare 1:3.0, substantially increase efficiency of unloading a ship.In the present embodiment, bucket cable 3 is opened and closed bucket rope cable 4 is steel wire cable.
As shown in Fig. 1 ~ 7, in the present embodiment, also comprise: a pair angle pulley 7, itself and a pair closed bucket rope cable 4 one_to_one corresponding, closed bucket rope cable 4 commutates through angle pulley 7, and its starting point being wound around two outside common tangents of a pair movable pulley 22 is on the movable pulley 22 of opposite side bucket body 11.
As shown in Fig. 1 ~ 7, in the present embodiment, also comprise: four support roller devices 6, four support roller devices 6 are arranged on rope guide rack 5, each support roller device 6 one_to_one corresponding is held one and is opened bucket cable 3 or closed bucket rope cable 4, grab bucket four steel wire cables can not be stirred together, ensure that the wire rope handling of assembly pulley inside succinctly facilitates, simultaneously, four steel wire cables of grab bucket can not be intertwined mutually, play the effect of balance grab bucket simultaneously, when hoisting after capturing material when grabbing bucket, open bucket steel wire cable simultaneously stressed, to be stressedly consistent.
As shown in Fig. 1 ~ 7, in the present embodiment, bucket body 11 also comprises: cutting edge 113, itself and bucket body 11 are welded to connect, the material selection high strength steel (HARDOX400) of this cutting edge 113, and this kind of existing high strength of steel has high hardness again, resistance to abrasion is good, therefore not easy to wear, greatly reduces maintenance capacity.
As shown in Fig. 1 ~ 7, in the present embodiment, main muscle 12 passes through pinned connection with rope guide rack 5 at hinge 13 place, wear-resisting steel bushing is provided with at this hinge 13 place, also lubricated by lubricating oil in use, can ensure to grab bucket repeatedly open in operation with closed fully flexibly, prevent stuck.
As shown in Fig. 1 ~ 7, after ship unloaders (hoisting crane) start, the cable that hoists of ship unloaders upwards hoists, drive is opened bucket cable 3 and is tightened up, closed bucket rope cable 4 loosens simultaneously, under gravity, grab bucket is opened, after opening completely, grab bucket drops in bulk goods cabin, be shelved on bulk material and prepare to capture material, now, the opening and closing cable of ship unloaders upwards hoists, closed bucket rope cable 4 is driven upwards to tighten up, a pair movable pulley 22 in a pair bucket body 11 is driven to draw close to centre, a pair bucket body 11 closes gradually, simultaneously, open bucket cable 3 and be in relaxed state, along with closed bucket rope cable 4 tightens up gradually, therefore, grab bucket now receives the effect of the closing force that closed bucket rope cable 4 sends, grab bucket is done circular motion around hinge 13 and is started to excavate material downwards, because grab bucket of the present invention obtains grasp force by cable and the combined mode of assembly pulley, thus, along with two bucket bodies 11 of grab bucket close, its closing force constantly increases, after grab bucket is completely closed, the steel rope of ship unloaders upwards hoists, then grab bucket is connected goods together to hoist.Due to traditional long strut grab bucket along with grab bucket is closed, its closing force is ever-reduced, and therefore, the present invention can capture more goods than traditional long strut grab bucket, can realize high crawl ratio.
In sum, a kind of high crawl of the present invention is grabbed bucket than bulk goods, not only captures than super large, greatly reduces the invalid load of grab bucket; And it is high from heavy and light, structural strength, greatly saves the energy overcoming grab bucket deadweight and consume, thus substantially increased efficiency of unloading a ship.
Although content of the present invention has done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to limitation of the present invention.After those skilled in the art have read foregoing, for multiple amendment of the present invention and substitute will be all apparent.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (6)
1. a high crawl is grabbed bucket than bulk goods, comprises the symmetrically arranged bucket body of two lobe (11), the cramp bar that described bucket body (11) comprises two pieces of bucket body side plates (111), bucket body base plate (112) and is arranged on wherein; The respectively corresponding main muscle of two panels (12) supporting two lobe bucket bodies (11), the main muscle of described two panels (12) intersects at hinge (13) and is fixedly connected with, and grabs bucket to do circular motion around this hinge (13), it is characterized in that, also comprises:
Rope guide rack (5), described rope guide rack (5) is fixedly connected with at hinge (13) place with the main muscle of two panels (12);
A pair movable pulley (22), described movable pulley (22) to be arranged in corresponding bucket body (11) and to be fixedly connected with the cramp bar in corresponding bucket body (11);
One splits bucket cable (3), described one splits bucket cable (3) and two lobe bucket bodies (11) and main muscle (12) one_to_one corresponding, one first end splitting bucket cable (3) is connected with the cable that hoists of the hoisting crane of outside respectively, and its second end is walked around this respectively and driven movable pulley (22) corresponding to bucket cable (3) and be connected with this top of opening main muscle (12) corresponding to the cable (3) that struggles against;
A pair closed bucket rope cable (4), a pair described closed bucket rope cable (4) and two lobe bucket body (11) one_to_one corresponding, the first end of a pair closed bucket rope cable (4) is connected with the opening and closing cable of the hoisting crane of outside, and the bucket body (11) that its second end is corresponding with its side after being wound around some circles along two outside common tangents of a pair movable pulley (22) is respectively connected;
Also comprise: a pair angle pulley (7), described a pair angle pulley (7) and a pair closed bucket rope cable (4) one_to_one corresponding, closed bucket rope cable (4) is through angle pulley (7) commutation, and its starting point being wound around two outside common tangents of a pair movable pulley (22) is on the movable pulley (22) of opposite side bucket body (11);
Four support roller devices (6), four described support roller devices (6) are arranged on rope guide rack (5), and each support roller device (6) one_to_one corresponding is held one and opened bucket cable (3) or closed bucket rope cable (4);
Described closed bucket rope cable (4) is 2.5 along the number of turns of two outside common tangents windings of a pair movable pulley (22).
2. high crawl as claimed in claim 1 is grabbed bucket than bulk goods, and it is characterized in that, the material of described bucket body (11) is alloy steel.
3. high crawl as claimed in claim 2 is grabbed bucket than bulk goods, and it is characterized in that, described bucket body (11) also comprises: cutting edge (113), and described cutting edge (113) and bucket body (11) are welded to connect.
4. high crawl as claimed in claim 3 is grabbed bucket than bulk goods, and it is characterized in that, the material of described cutting edge (113) is high strength steel.
5. high crawl as claimed in claim 1 is grabbed bucket than bulk goods, and it is characterized in that, described hinge (13) place is also provided with wear-resisting steel bushing.
6. as claimed in claim 1 high to capture than bulk goods grab bucket, it is characterized in that, described open bucket cable (3) and closed bucket rope cable (4) is steel wire cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210550416.1A CN103010945B (en) | 2012-12-18 | 2012-12-18 | A kind of high crawl is grabbed bucket than bulk goods |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210550416.1A CN103010945B (en) | 2012-12-18 | 2012-12-18 | A kind of high crawl is grabbed bucket than bulk goods |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103010945A CN103010945A (en) | 2013-04-03 |
| CN103010945B true CN103010945B (en) | 2015-12-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210550416.1A Active CN103010945B (en) | 2012-12-18 | 2012-12-18 | A kind of high crawl is grabbed bucket than bulk goods |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL2014756B1 (en) * | 2015-05-01 | 2017-01-25 | Nemag Nv | Four cable operated scissors grab. |
| CN105692438A (en) * | 2016-04-01 | 2016-06-22 | 江苏紫石机械制造有限公司 | Mobile grab bucket |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2047197A (en) * | 1979-04-14 | 1980-11-26 | Landers Maschf Gmbh | Single- or multi-rope grab and closing pulley box unit therefor |
| CN2747209Y (en) * | 2004-10-28 | 2005-12-21 | 漳州招商局码头有限公司 | Light-duty harrow formula bulk cargo grab bucket |
| CN200961084Y (en) * | 2006-10-17 | 2007-10-17 | 青岛港（集团）有限公司 | Square steel loading and unloading gripping apparatus |
| CN101898724A (en) * | 2009-05-27 | 2010-12-01 | 无锡港盛港口机械有限公司 | Double-jaw grab bucket fetching device |
| CN202944984U (en) * | 2012-12-18 | 2013-05-22 | 上海海事大学 | Bulk-cargo grab bucket with high grab ratio |
-
2012
- 2012-12-18 CN CN201210550416.1A patent/CN103010945B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2047197A (en) * | 1979-04-14 | 1980-11-26 | Landers Maschf Gmbh | Single- or multi-rope grab and closing pulley box unit therefor |
| CN2747209Y (en) * | 2004-10-28 | 2005-12-21 | 漳州招商局码头有限公司 | Light-duty harrow formula bulk cargo grab bucket |
| CN200961084Y (en) * | 2006-10-17 | 2007-10-17 | 青岛港（集团）有限公司 | Square steel loading and unloading gripping apparatus |
| CN101898724A (en) * | 2009-05-27 | 2010-12-01 | 无锡港盛港口机械有限公司 | Double-jaw grab bucket fetching device |
| CN202944984U (en) * | 2012-12-18 | 2013-05-22 | 上海海事大学 | Bulk-cargo grab bucket with high grab ratio |
Non-Patent Citations (2)
| Title |
|---|
| 新耙集型抓斗的研制和应用;潘盛华等;<<港口装卸>>;武汉交通科技大学;20060430(第4期);第5页 * |
| 高抓取比耙剪式抓斗研究;沈卓等;<<上海海事大学学报>>;上海海运学院;20051231;第26卷(第4期);第6-11页 * |
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