CN201670349U - Huge submarine salvaging grab bucket - Google Patents

Abstract

The utility model discloses a huge submarine salvaging grab bucket, which comprises a grab bucket body, a stay bar, a grab bucket center sill, a grab bucket head, a grab bucket equalizing beam, a pulley block system, a steel wire rope and a supporting steel cable, wherein the magnification is provided by the pulley block system through the winding mode of the steel wire rope, and the digging force of the grab bucket is increased; in addition, high-strength bucket teeth are installed on the bucket body and can submerge to a seabed at hundreds of meters deep to tear the steel plate of a wreck with the huge digging force thereof and then grab and salvage the wreck when salvaging the wreck. The huge submarine salvaging grab bucket of the utility model not only has the basic functions of a traditional grab bucket, comprising the basic function of grabbing cargoes, but also has ultra-large lifting capacity, has the grabbing capability of 500 tons, is particularly suitable for salvaging the wreck at the seabed, has the huge digging capability, can tear the steel plate of the wreck, greatly improves the marine wreck salvaging efficiency and simultaneously improves the economic benefit of the grab bucket.

Description

A kind of giant undersea salvage grab bucket

Technical field:

The utility model relates to grab bucket instrument, particularly undersea salvage grab bucket.

Background technology:

Grab bucket is the important goods instrument of getting that is used for grasping goods, is widely used in the harbour handling operation, particularly is applied to grasp the operation field of bulk goods, as coal handling, and ore loading and unloading etc.; Simultaneously, grab bucket also is important power tools such as underwater salvage and navigation channel desilting.Existing grab bucket is divided into loading and unloading with grab bucket and salvaging or desilting grab bucket according to purposes, loads and unloads with the grab bucket hoisting capacity little: between general 5 to 80 tons; Desilting is also little with the grab bucket hoisting capacity, is mainly used in cleaning navigation channel mud; And the hoisting capacity of salvage grab bucket is relatively large, because the hoisting capacity of salvage grab bucket has directly determined to change the salvaging ability of grab bucket; At present, the salvage grab bucket hoisting capacity of domestic maximum is 130 tons, and salvage grab bucket hoisting capacity in the world is also on equal rank, but along with boats and ships and shipping enterprise development, it is trend that boats and ships maximize, and maritime industry is also along with to large scale development; Therefore, in the wreck salvage field, original grab bucket can not adapt to the trend that boats and ships maximize, and operating efficiency is too low, has seriously restricted the development of wreck salvage industry.

Existing grab bucket mainly contains two big classes: long arm-tie type grab bucket and scissors grab, long arm-tie type grab bucket comprises long strut, bucket body, head and central sill etc.(with reference to the accompanying drawings 1), its grasp force is big, and the structure stress form is good, uses more extensive; And scissors grab is because grasp force is little, uses not extensively, and under the situation of equal hoisting capacity, it is lighter that long arm-tie type grab bucket is conducted oneself with dignity, the safety of structure height.Therefore long Jackstay type is adopted in the grab bucket design mostly, and particularly long Jackstay type is mostly adopted in the large-tonnage grab bucket, the grab bucket of this form, and grasp force is bigger, and stress form is good, has guaranteed stability of structure.Therefore, grab bucket at present adopts long arm-tie type grab bucket to carry out operation usually, undersea salvage grab bucket particularly, fishing operation is to liking shipwreck, need provide huge grasp force to tear the shipwreck steel plate, to come on its raising in sections again, this needs the safety of this body structure of undersea salvage grab bucket, must guarantee under huge breaking force the impact that this body structure of grab bucket can bearing load, and grab bucket will possess the hoisting capacity of super large, the body section of tearing (weighing 250 tons) is salvaged quickly, and the structure of grab bucket this moment itself is also wanted safe enough.

Along with weight equipment technology in ocean develops rapidly to maximization, high-technicalization direction, heavy grab bucket is also to maximization, high efficiency development.To adapt to the needs of international development situation, development of new techniques; Existing heavy salvage grab bucket schedule work reveals following characteristics: first: the grab bucket hoisting capacity is huge, second: the grab bucket operating load is abominable, the the 3rd: whole grab bucket digging force super large, the the 4th: grab bucket operating efficiency height, requirement can be torn the hull of shipwreck in the seabed, and salvages segmentation is disposable; The 5th, it is safe to grab bucket, and the grab bucket structure not only will be born huge hoisting capacity, and will output tear and disrumpent feelings hull times over the grasp force of hoisting capacity when grasping, and realizes the seabed operation of salvaging a sunken ship.Therefore, heavy grab bucket must be satisfied the structural strength height, provides load big, and stability is safe, and heavy grab bucket must satisfy under the above requirement condition, and it is light as much as possible conduct oneself with dignity, reduces production costs, and improves the commercial efficiency of grabbing bucket.

The utility model content:

The utility model purpose is to solve the problem of salvaging a sunken ship in the seabed: because the operating condition more complicated of salvaging a sunken ship in the seabed, for bigger shipwreck, often powerless, because the deadweight of shipwreck is very big, add the effect of seabed silt and hydraulic pressure, make shipwreck heavier, come also of no avail even employ large-scale floating crane, for the shipwreck of last kiloton, grab bucket is almost done nothing; At this situation, at first, the grab bucket hoisting capacity is huge, can disposable salvaging 250 tons weight; The second, the grasp force of this grab bucket is huge, maximum can reach 3000 tons, and so huge grasp force can be torn the shipwreck steel plate fully; And then the shipwreck fragmented blocks salvaged, just can solve the problem that large-scale wreck can't be salvaged by this method, and need not to employ the large-scale floating crane of kiloton, as long as a small-sized crane barge and grab bucket of the present utility model just can realize salvaging Watership Down, to achieve these goals, the technical solution of the utility model is as follows:

A kind of giant undersea salvage grab bucket, comprise skip body, strut, grab bucket central sill, grappling fixture head and equalizing bar and pulley block system and steel rope and bearer cable, described assembly pulley possesses the multiplying power amplification, and pulley block system provides 12 times enlargement ratio by the steel rope canoe;

Described grab bucket comprises the high strength bucket tooth, and on the bucket tooth support of bucket body, this connection mode can realize the quick replacing of bucket tooth to this bucket tooth by bolted connection, be convenient to maintenance, because for salvage grab bucket, bucket tooth is a consumable accessory, need periodic replacement, therefore, this connection mode is convenient to the maintain and replace of bucket tooth;

Described skip body is made of two lobe symmetric arrangement bucket bodies, every lobe bucket body is made up of four main muscle connection bucket base plates of bucket, four primary load bearing members that main muscle is a bucket body, and be furnished with four pin shaft holes, link to each other by bearing pin with the grab bucket central sill with strut respectively, thereby transmit the digging force that assembly pulley produces;

Described grab bucket structure comprises that skip body, strut, grab bucket central sill, grappling fixture head and equalizing bar all pass through optimal design, makes each structural strength height, and distribution of stress is reasonable, and is from heavy and light, safe;

The canoe of described giant undersea salvage grab bucket steel rope is novel succinct, and the steel cable winding system design is succinct, and this grab bucket design adopts single wire to twine, and adopts equalizer pulley to make the stressed unanimity that remains of steel rope, and wire rope handling is succinct, is convenient to maintenance.

Described grab bucket equalizing bar, steel rope is by the stressed unanimity that remains of equalizing bar pulley balancing device steel rope; The bearer cable equalizing bar of grab bucket plays the effect of balancing force simultaneously, and when hoisting after weight is grasped in grab bucket, bearer cable is simultaneously stressed, and the cable wire equalizing bar makes that cable wire is stressed to be consistent.

See (Fig. 1), the shipwreck operating principle is grasped in the salvaging of the utility model grab bucket and detailed grab bucket operation process is: at first marine crane barge begins, decline suspension hook B11, suspension hook A10 keeps static relatively simultaneously, this moment is along with suspension hook B11 descends, steel rope equalizing bar A7 also descends thereupon, thereby steel rope 6 loosens, deadweight effect grab bucket central sill down descends, skip body is opened gradually, after opening fully, suspension hook B11, suspension hook A10 descends simultaneously, up to the grab bucket dive to the Watership Down place, at this moment, suspension hook B11 begins upwards to hoist, and it is static relatively that suspension hook A10 keeps, because suspension hook B11 constantly upwards promotes, the steel rope equalizing bar upwards hoists with suspension hook B11, and steel rope is constantly upwards strained, and the assembly pulley that acts on the grab bucket central sill is upwards promoted by steel rope, it is closed gradually to drive grab bucket, bucket tooth is caught the shipwreck object in closing course, and bucket body begins to be subjected to excavating resistance, along with the continuous increase of resistance, the digging force that grab bucket is sent also constantly increases, insert the steel plate skip body up to bucket tooth and clamp hull, suspension hook B11 hoists simultaneously then, pulls steel plate, and whole hull pulled apart into relative fritter part, piecemeal salvages then.

Beneficial effect

This giant undersea salvage grab bucket, synergy by grab bucket head, grab bucket central sill, strut and assembly pulley and steel rope, support huge grab bucket dead load and super large hoisting capacity, produce huge digging force simultaneously, the head of wherein grabbing bucket directly holds the pressure of strut, and the pressure of strut comes from the power of assembly pulley and steel rope generation, by the form of multiplying power amplification, for grab bucket provides bigger digging force; Assembly pulley and steel rope all are the forms of the steel cable winding system of employing, because the version and the characteristics of the form innovation of this steel cable winding system, make the steel rope equilibrium of forces as the design of equalizing bar, the multiplying power setting of assembly pulley, support being provided with of steel chain etc., thereby it is bigger to make the huge grab bucket of the utility model grasp ability.

The huge grab bucket structure of the utility model not only possesses the basic function of existing grab bucket, comprise the basic function that grasps goods, and the hoisting capacity super large, hoisting capacity reaches 500 tons, is present domestic maximum, or even grasp the grab bucket of ability maximum in the world, be particularly suitable for salvaging a sunken ship, huge mining ability is arranged, can tear the steel plate of shipwreck in the seabed, improve the efficient of salvage shipwreck greatly, also improved the economic benefit of grab bucket simultaneously.

Description of drawings:

Further specify the utility model below in conjunction with the drawings and specific embodiments.

The overall structure scheme drawing of Fig. 1 grab bucket;

Fig. 2 bucket body structural representation;

Fig. 3 central sill structural representation of grabbing bucket;

Fig. 4 pulley winding system scheme drawing of grabbing bucket;

Fig. 5 head construction scheme drawing of grabbing bucket;

Fig. 6 steel rope equalizing bar structural representation;

Fig. 7 bearer cable equalizing bar structural representation;

Fig. 8 bucket tooth and bucket body connection diagram;

Fig. 9 bucket tooth connects cutaway view.

Number in the figure:

1, skip body 2, grab bucket central sill 3, strut 4, winding system 5, grab bucket head 6, steel rope 7, equalizing bar A 8, cable wire 9, equalizing bar B 10, suspension hook A 11, suspension hook B12, bearing pin hinge A 13, bearing pin hinge B 14, bucket tooth 15, bottom sheet 16, main muscle 21 struggles against, middle girder construction 22, pulley 23, bearing pin 41, running block 42, fixed pulley group 43, equalizer pulley 44, steel rope 51, head pulley 52, head construction 53, cable connector 71, equalizing bar structure A 72, bearing pin 73, bearing pin 74, equalizer pulley 75, wireline adapter 91, equalizing bar structure B 92, bearing pin 93, bearing pin 94, cable wire 111, bucket jaw plate 141, bucket tooth frame 142, bucket tooth root 143, bolt

The specific embodiment:

For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.

500 tons of undersea salvage grab buckets of the utility model, this grab bucket comprises skip body, strut, the grab bucket central sill, grappling fixture head and equalizing bar and pulley block system and steel rope and bearer cable, as shown in Figure 1: skip body 1 connects bucket tooth 14, bucket body is connected with grab bucket head 5 by strut 3, the other end of bucket body is connected with grab bucket central sill 2, connection mode is bearing pin and connects, and grab bucket head 5 is mainlyed grasp the bucket supporting construction with strut 3 conducts, static relatively, grab bucket central sill 2 connects the parts of bucket body 1 as direct grasping movement, relative motion, the power resources of realization grab bucket grasping movement are provided by winding system 4, winding system also comprises pulley block system and steel rope system, pulley block system is divided two parts, fixed pulley has two groups, every group 6, assembly pulley is installed on the grab bucket head 5, movable pulley also has corresponding two groups relatively, every group 5, assembly pulley is installed on the grab bucket central sill 4, is linked to each other by the steel rope winding between these four groups of assembly pulleys, and canoe is seen Fig. 4, the steel rope upper end links to each other with equalizing bar A7, and equalizing bar A7 is connected on the suspension hook B11; Bearer cable 8 is connected on the equalizing bar B9 simultaneously, and equalizing bar B9 is connected on the suspension hook A10, and by the synergy of above each parts, this giant undersea salvage grab bucket can grasp Watership Down, and it is salvaged.

As shown in Figure 2: skip body 1 comprises the bucket body main structure, with strut 3 bonded assembly bearing pin hinges 12, the bucket tooth 14 that is connected bearing pin hinge 13 and fast demountable with the grab bucket central sill, above structure is combined into the direct gripper components of grab bucket by johning knot, wherein the bucket body main structure is the direct load bearing component of grab bucket, its intensity has determined that directly can grab bucket sustain 3000 tons grasp force, bucket tooth then has the extracting shipwreck, and insert in the shipwreck waste steel plate, tear and pull apart the effect of steel plate, therefore must possess rigidity and the hardness stronger than shipwreck steel plate, owing to will insert steel plate repeatedly during its operation, the surface is easily frayed, therefore, the bolted connection (see figure 8) of fast demountable is adopted in the utility model grab bucket, is convenient to maintenance; Simultaneously with strut 3 bonded assembly bearing pin hinges 12 be connected bearing pin hinge 13 with grab bucket central sill 2, played the joint effect that connects skip body, strut and central sill, because grab bucket will be opened when operation repeatedly with closed, this place's hinge connects to be wanted fully flexibly, prevent stuck and will adapt to the under-water operation environment, therefore the utility model adopts wear-resistant steel shell type plain bearing in the bearing pin junction, makes that connecting the joint opens and closes flexibly.

Grab bucket central sill 2, by bearing pin 23 (see figure 3) that is connected with skip body 1, and two groups of pulleys 22 are installed on the top of grab bucket central sill 2, be connected with the two group pulleys of grab bucket on the head 5 by steel rope 6, steel rope connects the mode (as shown in Figure 4) of twining and is fixed on the equalizing bar A7 by steel cable one end, pass the running block 41 of grab bucket central sill 2, pass the fixed pulley group 42 of grab bucket head 5 again, wear up and down five times; Pass the equalizer pulley 43 on the equalizing bar A7 again, again through the running block 41 on the grab bucket central sill 2, and then the fixed pulley group 42 of passing grab bucket head 5, equally also be to wear up and down five times, steel rope is fixed on the equalizing bar A7 more then.When grab bucket is grasped, steel rope upwards tightens up, and the assembly pulley that drives grab bucket central sill 2 is upwards mentioned, and grab bucket central sill 2 is also upwards mentioned thereupon, at this moment, the bearing pin of grab bucket central sill 2 is connecting skip body 1, and skip body 1 is raised, and an other end bearing pin of skip body 1 connects grab bucket strut 3, therefore, grab bucket can only be done circular motion around the bearing pin of grab bucket strut, closes up until the grab bucket of two jaws, and grab bucket is closed.

Grab bucket steel rope equalizing bar A7 relies on grab bucket equalizing bar structure A71 to be installed on the crane barge suspension hook B11, and the mode of installing is to adopt two bearing pins 73 to pass the gib head of suspension hook, and two ends are fixed on the equalizing bar structure, like this, equalizing bar just can be followed suspension hook and be moved up and down, two bearing pins 72 are installed in the lower end of equalizing bar, these two bearing pins link to each other with following steel rope 6, thus, moving up and down of equalizing bar drives moving up and down of steel rope, thereby realize loosening and tightening up of steel rope, the center of equalizing bar is equipped with a steel rope equalizer pulley 74, and the effect of this pulley is to keep that steel rope is stressed to be consistent the visible Fig. 3 of its principle of work.Grab bucket equalizing bar A7 in the utility model connects skip body 1 with steel rope with the assembly pulley of grab bucket central sill 2, lifting along with suspension hook B11, equalizing bar A7 drives tightening up of steel rope, grab bucket central sill 2 is raised, because steel rope is walked around the running block on the grab bucket central sill 2, walk around grab bucket head fixed pulley group simultaneously, because the multiplying power effect of assembly pulley, steel rope power is amplified the grab bucket digging force, and skip body just can grasp and tear the shipwreck steel plate.

Grab bucket bearer cable equalizing bar B9 relies on grab bucket equalizing bar structure B91 to be installed on the crane barge suspension hook A10, and the mode of installing is to adopt two bearing pins 93 to pass the gib head of suspension hook, and two ends are fixed on the equalizing bar structure, like this, equalizing bar just can be followed suspension hook and be moved up and down, two bearing pins 92 are installed in the lower end of equalizing bar, these two bearing pins link to each other with following two cable wires 94, thus, moving up and down of equalizing bar drives moving up and down of cable wire, thereby the grab bucket head of realizing cable wire promotes up and down, this balance beam action is to keep that cable wire is stressed to be consistent, and its principle of work and steel rope equalizing bar A7 are similar, play the effect of grabbing bucket of supporting.

Skip body is as the direct stressed member of salvaging a sunken ship, the utility model bucket body adopts two jaw six tooth joggled structure, as shown in Figure 1, the two jaw symmetric arrangement of bucket body, two ends link to each other with strut 3 with grab bucket central sill 2 respectively, along with grab bucket central sill 2 upwards promotes, drive the two jaw closures of bucket body, otherwise then open; The two jaws of bucket body respectively connect 3 bucket tooths, stagger in twos in the position, when the two jaws of bucket body are closed, 6 bucket tooths then are meshing with each other, wherein a side bucket jaw as shown in Figure 8, bucket tooth root 142 (being bucket tooth 14) is connected on the bucket tooth frame 141 fast by bolt 143, and bucket tooth frame 141 is welded direct on the bucket body, and is concrete shown in Figure 8 as analysing and observe.This structure can guarantee that bucket tooth bears huge digging force on the one hand, on the other hand, because bucket tooth directly rubs mutually with the shipwreck steel plate, easy to wear, this fast assembling disassembling structure assurance bucket tooth can be changed fast, simultaneously the bucket tooth stressing conditions is carried out mechanical analysis, guarantee that bucket tooth holds to bear huge digging force.Make the stressed distribution trend between each bucket tooth more even, thereby make this novel seabed salvage grab bucket load-carrying capacity stronger.

Giant undersea salvage grab bucket hoisting capacity of the present utility model is huge, and the extracting ability is huge, and dead load is relatively little, grasps than high; The steel rope canoe is succinct, feasible grab bucket compact conformation, and load-carrying capacity is big, and grab bucket balanced structure steel rope is exerted all one's strength and is evenly distributed; Pulley block ratio in grab bucket makes the grab bucket grasp force amplify, and makes grab bucket can have enough power to grasp the shipwreck steel plate; The high strength bucket tooth is installed on the skip body, this bucket tooth intensity height, can be under the effect of the huge grasp force of grab bucket, insert and pull apart and tear the shipwreck steel plate, simultaneously, grab bucket itself also has enough intensity, can bear huge excavating resistance, the effect of huge grab bucket is fully played, and more existing little tonnage salvage grab bucket has improved grab bucket greatly and has salvaged efficient.

More than show and described groundwork of the present utility model and principal character and advantage of the present utility model.The technical personnel of the industry should be understood; the utility model is not restricted to the described embodiments; that describes in the foregoing description and the specification sheets just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.

Claims (3)

1. giant undersea salvage grab bucket, comprise bucket body, central sill, head and equalizing bar and pulley block system, it is characterized in that: described skip body (1) is made of the bucket body of two lobe symmetric arrangement, every lobe bucket body is made up of four bucket main muscle (16) connection bucket base plates (15), and four main muscle of bucket (16) are linked to each other by bearing pin with grab bucket central sill (2) with strut (3) respectively; Described pulley block system is divided two parts, fixed pulley has two groups, every group 6, assembly pulley is installed on the grab bucket head (5), and movable pulley also has corresponding two groups, 5 every group relatively, assembly pulley is installed on the grab bucket central sill (2), linked to each other by the steel rope winding between these four groups of assembly pulleys, the steel rope upper end links to each other with equalizing bar A (7), and equalizing bar A (7) is connected on the suspension hook B (11); Bearer cable (8) is connected on the equalizing bar B (9) simultaneously, and equalizing bar B (9) is connected on the suspension hook A (10).

2. grab bucket according to claim 1, it is characterized in that, described skip body (1) adopts two jaw six tooth joggled structure, the two jaw symmetric arrangement of bucket body, two ends link to each other with strut (3) with grab bucket central sill (2) respectively, along with grab bucket central sill (2) upwards promotes, drive the two jaw closures of bucket body, otherwise then open; The two jaws of bucket body respectively connect 3 bucket tooths (14), stagger in twos in the position, and when the two jaws of bucket body were closed, 6 bucket tooths then were meshing with each other; Bucket tooth (14) is connected on the bucket tooth frame (141) by bolt (143), and bucket tooth frame (141) is welded direct on the bucket body.

3. grab bucket according to claim 1, it is characterized in that described assembly pulley is fixed on the equalizing bar A (7) by steel cable one end, pass the running block (41) of grab bucket central sill (2), pass the fixed pulley group (42) of grab bucket head (5) again, wear up and down five times; Passing the equalizer pulley (43) on the equalizing bar A (7) again, again through the running block (41) on the grab bucket central sill (2), and then pass grab bucket head (5) fixed pulley group (42), equally also is to wear up and down five times, and steel rope is fixed on the equalizing bar A (7) more then.

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