CN106081013B - A kind of drag construction method for the chain type tractive device of raising of a wreck and its for realizing raising of a wreck - Google Patents
A kind of drag construction method for the chain type tractive device of raising of a wreck and its for realizing raising of a wreck Download PDFInfo
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- CN106081013B CN106081013B CN201610637468.0A CN201610637468A CN106081013B CN 106081013 B CN106081013 B CN 106081013B CN 201610637468 A CN201610637468 A CN 201610637468A CN 106081013 B CN106081013 B CN 106081013B
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- 238000010276 construction Methods 0.000 title claims abstract description 27
- 238000006243 chemical reaction Methods 0.000 claims description 37
- 241000391076 Synthlipsis Species 0.000 claims description 28
- 239000003921 oil Substances 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 230000033001 locomotion Effects 0.000 claims description 9
- 230000000712 assembly Effects 0.000 claims description 7
- 238000000429 assembly Methods 0.000 claims description 7
- 239000010720 hydraulic oil Substances 0.000 claims description 4
- 239000010727 cylinder oil Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 abstract description 5
- 239000010959 steel Substances 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 description 3
- 239000013535 sea water Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
- B63C7/00—Salvaging of disabled, stranded, or sunken vessels; Salvaging of vessel parts or furnishings, e.g. of safes; Salvaging of other underwater objects
- B63C7/02—Salvaging of disabled, stranded, or sunken vessels; Salvaging of vessel parts or furnishings, e.g. of safes; Salvaging of other underwater objects in which the lifting is done by hauling
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Ship Loading And Unloading (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
A kind of chain type tractive device for raising of a wreck, including base, draw jack, forward and backward thrust beam, chain, forward and backward clamper, directive wheel and hydraulic power unit；Before the device is distributed in symmetrically and side by side comprising two, traction jack between thrust beam afterwards, before described fore-clamp holder and rear clamper are connected to, afterwards on thrust beam, before, clamper construction is identical afterwards, include grip block and clamping jack, the clamping jack is symmetrically distributed, before outer oil cylinder end is separately fixed at by bearing pin, afterwards on thrust beam, piston rod is connected by bearing pin with grip block, the upper of grip block is realized by stretch cylinder and the contracting cylinder that clamp jack, it is lower to rotate so as to drive the folding of grip block to realize the clamping to chain and loosen, the present apparatus replaces steel strand wires to be used as traction connection using chain, flexible turning can be carried out, salvaging depth is set not limited by barge ship side width, deep-sea can be achieved to salvage.Its wave compensation system can guarantee that the safety of equipment and the stationarity of salvaging.
Description
Technical field
The present invention relates to weight draw-gear and its drag construction method, particularly a kind of chain type for raising of a wreck to lead
Leading-in device and its drag construction method for realizing raising of a wreck.
Background technology
Marine raising of a wreck needs a plurality of track cable to come traction enhancement shipwreck, Patent publication No CN101811563A, hair
It is bright entitled《A kind of Refloatation method of marine shipwreck》In disclose a kind of Refloatation method of shipwreck, profit is computerizedd control more
Concurrently or separately stress lifts shipwreck to jack, breaches traditional fishing process, is provided for raising of a wreck a kind of with passing
Technique of uniting is different, use range is wide, reliability is high, safe, fireballing Refloatation method, is one of raising of a wreck technology
New breakthrough；But this method also has the following disadvantages：
1）Drawn using steel strand wires as track cable, during traction steel strand wires requirement be in linear state, it is impossible to carry out
Turn, salvage depth limited by barge molded breadth, hoisting depth must not exceed barge molded breadth, thus be only applicable to rivers, lake or
Shallow sea water；
2）During raising of a wreck, operation on the sea ship can be influenceed and be fluctuated by waves of seawater, and this is to heavy
The Synchronous lifting operation of ship brings very big interference, the excessive phenomenon of single wirerope stress easily occurs, easily damages device,
Have an accident.
The content of the invention
It is an object of the invention to provide a kind of chain type tractive device for raising of a wreck and its for realizing raising of a wreck
Drag construction method, improve profit and computerized control that concurrently or separately stress realizes that shipwreck is beaten to more jack to lift shipwreck
The deep-sea applicability and security reliability dragged for；To solve above mentioned problem existing for prior art.
The technical scheme to solve the above problems is：A kind of chain type tractive device for raising of a wreck, it is characterised in that：Should
Chain type tractive device includes：Base, draw jack, forward and backward thrust beam, chain, forward and backward clamper, guide wheel assemblies and liquid
Press pump station；
Described base includes base platform, guide rail and reaction frame, the base platform as chain type tractive device its
The pedestal of its part, it is fixed on barge deck, the horizontal movement of described rail guidance thrust beam, and limits thrust beam
Up and down motion, described reaction frame as traction when required support；Described guide rail and reaction frame and described base platform
It is connected as a single entity；
There is a cross open on described preceding thrust beam, rear thrust beam, pass through the forward and backward equal energy of thrust beam for chain
Slided on the guide rail of base；
Described chain type tractive device includes two traction jack, before two traction jack are distributed in symmetrically and side by side
Between thrust beam, rear thrust beam；The outer oil cylinder of described traction jack is fixed on rear thrust beam, and piston rod is fixed on preceding pushing tow
Liang Shang, so that two traction jack link together；Two traction jack cylinder oil circuits are carried out by three-way connection
Parallel connection, traction power is provided by hydraulic power unit；
Described fore-clamp holder and rear clamper are connected on preceding thrust beam and rear thrust beam, forward and backward clamper structure
Make identical, including grip block and clamping jack, described grip block includes upper and lower symmetrical grip block, every piece of grip block
Respectively there are an arc notch, the circular arc mate of the arc notch and the chain link plate, forward and backward grip block in opposite face
Bottom is connected on preceding thrust beam and rear thrust beam by bearing pin respectively, and can be rotated around bearing pin；It is described clamping jack into
Symmetrical, the outer oil cylinder end of clamping jack is separately fixed on forward and backward thrust beam by bearing pin, and piston rod passes through bearing pin and folder
Block connection is held, rotating up and down for grip block is realized by stretch cylinder and the contracting cylinder that clamp jack, so as to drive the folding of grip block
To realize the clamping to chain and loosen；
Described guide wheel assemblies include directive wheel and are oriented to wheeling support, and described guiding wheeling support is fixed on barge ship side
On, described directive wheel is limited on described guiding wheeling support by rotating shaft and can be around recessed on the axis of rotation, directive wheel
Groove shape is coincide with chain link plate；
Described hydraulic power unit includes motor, oil pump and valve group component, passes through hydraulic oil pipe and traction jack, clamping
Jack hydraulic oil circuit is connected, and hydraulic power is provided for it.
Its further technical scheme is：Described chain type tractive device also includes two compensation jack, two compensation thousand
Jin top is distributed between rear thrust beam and the base reaction frame symmetrically and side by side, and the outer oil cylinder of described compensation jack is fixed on
On base reaction frame, piston rod is fixed on rear thrust beam；Described compensation jack oil pocket connection accumulator or hydraulic power unit
And control device composition wave compensation system, when the water surface has wave, in accumulator or with electric-control system synergy, passing through
Compensation jack is passively or actively thrust beam after stretch/shrink cylinder drives and moved forward and backward, and realizes passive type compensation, active compensation or half
Active compensation.
Related another technical scheme is：A kind of chain type tractive device for raising of a wreck realizes the traction of raising of a wreck
Construction method, it is the traction that raising of a wreck is realized using a kind of above-mentioned chain type tractive device for raising of a wreck of the present invention
Construction method；During traction construction, chain is become through preceding thrust beam, rear thrust beam, guide pad by directive wheel by horizontal direction
Vertical direction is connected with shipwreck, and chain is hauled with hoist engine identical tension on barge, makes chain keep level tensile state；Construction is just
During beginning state, fore-clamp holder and rear clamper are in clamp position；Its traction construction is included under heavy lift operation and weight
Operation is put, it is comprised the concrete steps that：
A, heavy lift job step：
A1, original state：Front and rear clamper closes, and draws very heavy synthlipsis cylinder in place；
A2, fore-clamp holder closure：Front clamp jack, which stretches cylinder, makes fore-clamp holder close clamping chain；
Cylinder is stretched in a3, the power conversion of traction jack：Cylinder is stretched in the power conversion of traction jack, fore-clamp holder stress is clamped chain；
A4, rear clamper open：After clamp very heavy synthlipsis cylinder and open rear clamper and loosen chain；
A5, traction jack stretch cylinder：Traction jack stretches cylinder, and lifting is connected to the weight on chain；
A6, rear clamper closure：Jack to be drawn stretches cylinder in place, and rear clamper closes clamping chain；
A7, traction jack power conversion contracting cylinder：Jack power conversion contracting cylinder is drawn, rear clamper stress is clamped chain；
A8, fore-clamp holder are opened：The very heavy synthlipsis cylinder of front clamp makes fore-clamp holder opening loosen chain；
A9, the very heavy synthlipsis cylinder of traction：Draw very heavy synthlipsis cylinder backhaul；
A10, the very heavy synthlipsis cylinder of traction are in place：Wait to draw very heavy synthlipsis cylinder in place, it is real to repeat the action of above a2 ~ a10 steps
The continuance lifting of existing weight；
B, weight decentralization job step：
B1, original state：Front and rear clamper closes, and traction jack stretches cylinder in place；
B2, fore-clamp holder closure：Front clamp jack, which stretches cylinder, makes fore-clamp holder close clamping chain；
Cylinder is stretched in b3, the power conversion of traction jack：Cylinder is stretched in the power conversion of traction jack, fore-clamp holder stress is clamped chain；
B4, rear clamper open：After clamp very heavy synthlipsis cylinder and open rear clamper and loosen chain；
B5, the very heavy synthlipsis cylinder of traction：Very heavy synthlipsis cylinder is drawn, decentralization is connected to the weight on chain；
B6, rear clamper closure：Wait to draw very heavy synthlipsis cylinder in place, rear clamper closes clamping chain；
B7, traction jack power conversion contracting cylinder：Jack power conversion contracting cylinder is drawn, rear clamper stress is clamped chain；
B8, fore-clamp holder are opened：The very heavy synthlipsis cylinder of front clamp makes fore-clamp holder opening loosen chain；
B9, traction jack stretch cylinder：Traction jack stretches cylinder backhaul；
B10, traction jack stretch cylinder in place:Jack to be drawn stretches cylinder in place, and it is real to repeat the action of above b2 ~ b10 steps
The continuous decentralization of existing weight.
Further：Construction method of the present invention also includes a compensation of undulation program, lifting operation start before chain without
Method move in the case of by gripper position after compensating jack regulation to suitable clamping chain；Secondly, when the water surface has wave
When, in accumulator or with electric-control system synergy, thrust beam after stretch/shrink cylinder drives is passively or actively by compensating jack
Move forward and backward, it is final drive chain to move forward and backward, the barge heave movement caused by water surface wave is offset to chain with this
The influence of stretching force so that chain stretching force keeps stable state.
Because using above-mentioned technical proposal, the present invention's is a kind of for the chain type tractive device of raising of a wreck and its for reality
The drag construction method of existing raising of a wreck compared with prior art, has the advantages that：
First, apparatus of the present invention are computerizedd control suitable for profit, and concurrently or separately stress is real to lift shipwreck for more jack
The drag construction method of existing raising of a wreck, it is different from traditional handicraft, with use range is wide, reliability is high, safe, fast
Spend the advantages of fast.
2nd, it is CN101811563A with Patent publication No, entitled《A kind of Refloatation method of marine shipwreck》It is open
Technology compare, with more operability and practicality：
1. a kind of chain type tractive device for raising of a wreck of the invention replaces steel strand wires to be connected as traction using chain
With flexible turning can be carried out so that salvage depth and limit by barge ship side width, deep-sea salvaging can be achieved.
2. a kind of wave compensation system of chain type tractive device for raising of a wreck of the invention can effectively offset due to
Influence of the barge heave movement to chain stretching force caused by wave of the sea, ensure the safety of equipment and the stationarity of salvaging；Carry
The high security reliability salvaged.
Therefore, a kind of traction for the chain type tractive device of raising of a wreck and its for realizing raising of a wreck of the present invention
Construction method is applied widely, has operability and practicality, has more preferable economic results in society.
Below, a kind of chain type tractive device for raising of a wreck to the present invention and its it is used in conjunction with the accompanying drawings and embodiments
Realize that the technical characteristic of the drag construction method of raising of a wreck is further described.
Brief description of the drawings
Fig. 1 is a kind of overall structure diagram of chain type tractive device for raising of a wreck of the present invention（Top view）；
Fig. 2 is Fig. 1 A to side view；
Fig. 3 is a kind of hydraulic power unit front view of chain type tractive device for raising of a wreck of the present invention；
Fig. 4 is a kind of rearview of the forward and backward thrust beam of chain type tractive device for raising of a wreck of the present invention；
Fig. 5 is that a kind of clamper opening of chain type tractive device for raising of a wreck of the present invention loosens chain state
Figure；
Fig. 6 is a kind of clamper closure clamping chain state of chain type tractive device for raising of a wreck of the present invention
Figure；
Fig. 7-1, Fig. 7-2 are a kind of grip blocks of the clamper of chain type tractive device for raising of a wreck of the present invention
Structural representation（Front view, clamper, which opens, loosens chain state）：
Fig. 7-1 is that clamper opens the upper clamp block 521a loosened under chain state,
Fig. 7-2 is that clamper opens the upper clamp block 522a loosened under chain state；
Fig. 8-1, Fig. 8-2 are a kind of grip blocks of the clamper of chain type tractive device for raising of a wreck of the present invention
Structural representation（That is the B direction views of chain are removed in Fig. 5, clamper, which opens, loosens chain state）：
Fig. 8-1 is Fig. 7-1 left view,
Fig. 8-2 is Fig. 7-2 left view；
Fig. 9-1, Fig. 9-2 are a kind of grip blocks of the clamper of chain type tractive device for raising of a wreck of the present invention
Structural representation（Front view, clamper closure clamping chain state）：
Fig. 9-1 is the upper clamp block 521b under clamper closure clamping chain state,
Fig. 9-2 is the bottom grip block 522b under clamper closure clamping chain state；
Figure 10-1, Figure 10-2 are a kind of grip blocks of the clamper of chain type tractive device for raising of a wreck of the present invention
Structural representation（That is the C direction views of chain, clamper closure clamping chain state are removed in Fig. 6）：
Figure 10-1 is Fig. 8-1 left view,
Figure 10-2 is Fig. 8-2 left view；
Figure 11 is that a kind of chain type tractive device for raising of a wreck of the present invention is used to realize that the traction of raising of a wreck is applied
Lifting heavy job step flow chart in work method；
Figure 12 is that a kind of chain type tractive device for raising of a wreck of the present invention is used to realize that the traction of raising of a wreck is applied
Weight job step flow chart is transferred in work method.
In figure：
1- hoist engines, 2- steel wire ropes, 3- chains, 4- bases, 41- base platforms, 42- guide rails, 43- reaction frames, 5- fore-clamps
Holder, 51- clamping jack, 52- grip blocks；
521a-clamper opens the upper clamp block loosened under chain state, and 522a- clampers, which open, loosens chain form
Bottom grip block under state；
Upper clamp block under 521b- clampers closure clamping chain state, 522b- clampers closure clamping chain state
Under bottom grip block；
Thrust beam before 6-, 61- thrust beam cross opens, 7- traction jack, clamper after 8-, thrust beam after 9-, 10- are mended
Repay jack, 11- chain guide pads, 12- barges, 13- guide wheel assemblies, 131- guiding wheeling supports, 132- directive wheels, 14- water
Face, 15- hydraulic power units, 151- motor, 152- oil pumps, 153- valve group components.
Embodiment
Embodiment one
A kind of chain type tractive device for raising of a wreck
As shown in Figure 1 and Figure 2, the chain type tractive device includes：Base 4, draw jack 7, forward and backward thrust beam 6,9, chain
Bar 3, forward and backward clamper 5,8, guide wheel assemblies 13 and hydraulic power unit 15；
Described base 4 includes base platform 41, guide rail 42 and reaction frame 43, and the base platform is as chain type tractive
The pedestal of the other parts of device, it is fixed on the deck of barge 12, described guide rail 42 guides the horizontal movement of thrust beam, and
Limit the up and down motion of thrust beam, required support when described reaction frame is as traction；Described guide rail 42 and reaction frame 43 with
Described base platform 41 is connected as a single entity；（Referring to Fig. 2）；
There is a cross open on described preceding thrust beam 6, rear thrust beam 9（Referring to Fig. 4）, for chain 3 by, it is preceding,
Thrust beam can slide on the guide rail 42 of base 4 afterwards；
Described chain type tractive device includes two traction jack 7, and two traction jack 7 are distributed in symmetrically and side by side
Between preceding thrust beam, rear thrust beam；Described 7 outer oil cylinder of traction jack is fixed on rear thrust beam 9, before piston rod is fixed on
On thrust beam 6, so that two traction jack link together；Two traction jack cylinder oil circuits pass through three-way connection
Parallel connection is carried out, traction power is provided by hydraulic power unit；
As shown in Figure 1 and Figure 2, described fore-clamp holder 5 and rear clamper 8 are connected to preceding thrust beam and rear thrust beam
On, forward and backward clamper construction is identical, includes upper and lower symmetrical including grip block 52 and clamping jack 51, described grip block
Grip block, every piece of grip block have an arc notch in opposite face, the circular arc of the arc notch and the chain link plate
Mate（Referring to Fig. 5~Fig. 6, Fig. 7-1, Fig. 7-2~Figure 10-1, Figure 10-2）, forward and backward grip block bottom passes through bearing pin respectively
It is connected on preceding thrust beam and rear thrust beam, and can be rotated around bearing pin；The clamping jack is symmetrically distributed, and clamping is very heavy
The outer oil cylinder end in top is separately fixed on forward and backward thrust beam by bearing pin, piston rod is connected by bearing pin with grip block, passes through clamping
Stretch cylinder and the contracting cylinder of jack realize rotating up and down for grip block, so as to drive the folding of grip block to realize the folder to chain
Hold and loosen；The clamping jack is provided power and realized by hydraulic power unit stretches cylinder, contracting cylinder；
Described guide wheel assemblies 13 include directive wheel 132 and are oriented to wheeling support 131（Referring to Fig. 2）, described directive wheel
Bearing is fixed on the ship side of barge 12, and described directive wheel is limited on described guiding wheeling support by rotating shaft and can be around this
Axis of rotation, the groove shapes on directive wheel are coincide with chain link plate；
Described hydraulic power unit includes motor 151, oil pump 152 and valve group component 153, passes through hydraulic oil pipe and traction thousand
Jin top, the oil circuit connection of clamping jack hydraulic, hydraulic power is provided for it（Referring to Fig. 3）.
A kind of chain type tractive device for raising of a wreck of the present invention also carries wave compensation system, and described wave is mended
Repay system and include two compensation jack 10, it is anti-that two compensation jack 10 are distributed in rear thrust beam 9 and base symmetrically and side by side
Between power frame 43, the outer oil cylinder of described compensation jack is fixed on base reaction frame 43, and piston rod is fixed on rear thrust beam 9
On；Described compensation jack oil pocket connection accumulator or hydraulic power unit and control device composition wave compensation system, it is acted on
It is：When lifting operation start before in the case of chain is irremovable, by compensate jack regulation after gripper position
To suitable clamping chain；Second, when the water surface 14 has wave, in accumulator or with electric-control system synergy, passing through compensation thousand
Jin top 10 is passively or actively thrust beam 9 after stretch/shrink cylinder drives and moved forward and backward, and realizes that passive type compensation, active compensation or half are main
Dynamic formula compensates.
As one kind conversion of the embodiment of the present invention, when for inland river or shallow sea, stormy waves is little, and compensation system can be selected
Selecting property uses, i.e.,：If being needed not compensate for if inland river or shallow sea, compensation system can be closed.
Embodiment two：
A kind of chain type tractive device for raising of a wreck realizes the drag construction method of raising of a wreck
It is to realize leading for raising of a wreck using a kind of chain type tractive device for raising of a wreck described in embodiment one
Draw construction method；During traction construction, chain is through preceding thrust beam 6, rear thrust beam 9, guide pad 11, by directive wheel 132 by water
Square it is connected with shipwreck to becoming vertical direction, hauls chain with the identical tension of hoist engine 1 on barge 12, make the keep level of chain 3
Tensile state；During original state of constructing, fore-clamp holder 5 and rear clamper 8 are in clamp position；Its traction construction includes weight
Operation and weight decentralization operation are lifted, it is comprised the concrete steps that：
A, heavy lift job step：
A1, original state：Front and rear clamper closes, and draws very heavy synthlipsis cylinder in place；
A2, fore-clamp holder closure：Front clamp jack, which stretches cylinder, makes fore-clamp holder 5 close clamping chain；
Cylinder is stretched in a3, the power conversion of traction jack：Cylinder is stretched in the power conversion of traction jack 7, makes the stress clamp chain of fore-clamp holder 5
Bar；
A4, rear clamper open：After clamp very heavy synthlipsis cylinder and open rear clamper 8 and loosen chain；
A5, traction jack stretch cylinder：Traction jack 7 stretches cylinder, and lifting is connected to the weight on chain 3；
A6, rear clamper closure：Jack 7 to be drawn stretches cylinder in place, and rear clamper 8 closes clamping chain；
A7, traction jack power conversion contracting cylinder：The power of jack 7 conversion contracting cylinder is drawn, makes the rear stress clamp chain of clamper 8
Bar；
A8, fore-clamp holder are opened：The very heavy synthlipsis cylinder of front clamp makes the opening of fore-clamp holder 5 loosen chain；
A9, the very heavy synthlipsis cylinder of traction：Draw the contracting cylinder backhaul of jack 7；
A10, the very heavy synthlipsis cylinder of traction are in place：The contracting cylinder of jack 7 to be drawn in place, repeats the action of above a2~a10 steps
Realize the continuance lifting of weight；
B, weight decentralization job step：
B1, original state：Front and rear clamper closes, and traction jack stretches cylinder in place；
B2, fore-clamp holder closure：Front clamp jack, which stretches cylinder, makes fore-clamp holder 5 close clamping chain；
Cylinder is stretched in b3, the power conversion of traction jack：Cylinder is stretched in the power conversion of traction jack 7, makes the stress clamp chain of fore-clamp holder 5
Bar；
B4, rear clamper open：After clamp very heavy synthlipsis cylinder and open rear clamper 8 and loosen chain；
B5, the very heavy synthlipsis cylinder of traction：The contracting cylinder of jack 7 is drawn, decentralization is connected to the weight on chain 3；
B6, rear clamper closure：In place, rear clamper 8 closes clamping chain to the contracting cylinder of jack 7 to be drawn；
B7, traction jack power conversion contracting cylinder：The power of jack 7 conversion contracting cylinder is drawn, makes the rear stress clamp chain of clamper 8
Bar；
B8, fore-clamp holder are opened：The very heavy synthlipsis cylinder of front clamp makes the opening of fore-clamp holder 5 loosen chain；
B9, traction jack stretch cylinder：Traction jack 7 stretches cylinder backhaul；
B10, traction jack stretch cylinder in place:Jack 7 to be drawn stretches cylinder in place, repeats the action of above b2~b10 steps
Realize the continuous decentralization of weight.
This construction method also includes a compensation of undulation program, in the irremovable situation of chain before lifting operation starts
Down by gripper position after compensating jack regulation to suitable clamping chain；Secondly, when the water surface 14 has wave to need to be mended
When repaying, in accumulator or with electric-control system synergy, being acted on down by electric-control system, compensation jack 10 is passively or actively
Thrust beam 9 moves forward and backward after stretch/shrink cylinder drives, final to drive chain 3 to move forward and backward, and is offset with this because the wave of the water surface 14 draws
Influence of the heave movement of barge 12 risen to the stretching force of chain 3 so that the stretching force of chain 3 keeps stable state, ensures equipment
Safety and the stationarity salvaged.
Claims (4)
- A kind of 1. chain type tractive device for raising of a wreck, it is characterised in that：The chain type tractive device includes：Base, traction Jack, forward and backward thrust beam, chain, forward and backward clamper, guide wheel assemblies and hydraulic power unit；Described base（4）Including base platform（41）, guide rail（42）And reaction frame（43）, the base platform is as chain type The base of draw-gear（4）Pedestal, be fixed on barge（12）On deck, described guide rail（42）Guide the horizontal fortune of thrust beam It is dynamic, and the up and down motion of thrust beam is limited, required support when described reaction frame is as traction；Described guide rail（42）And counter-force Frame（43）With described base platform（41）It is connected as a single entity；Described preceding thrust beam（6）, rear thrust beam（9）On have a cross open, for chain（3）By forward and backward thrust beam Can be in base（4）Guide rail（42）Upper slip；Described chain type tractive device includes two traction jack（7）, two traction jack（7）It is distributed in symmetrically and side by side Between preceding thrust beam, rear thrust beam；Described traction jack（7）Outer oil cylinder is fixed on rear thrust beam（9）On, piston rod is fixed In preceding thrust beam（6）On, so that two traction jack link together；Two traction jack cylinder oil circuits pass through three Pass joint carries out parallel connection, and traction power is provided by hydraulic power unit；Described fore-clamp holder（5）With rear clamper（8）It is connected on preceding thrust beam and rear thrust beam, forward and backward clamper Construct identical, include upper and lower symmetrical grip block including grip block and clamping jack, described grip block, every piece clamps Block respectively has an arc notch, the circular arc mate of the arc notch and the chain link plate, forward and backward clamping in opposite face Block bottom is connected on preceding thrust beam and rear thrust beam by bearing pin respectively, and can be rotated around bearing pin；The clamping jack Be symmetrically distributed, the outer oil cylinder end of clamping jack is separately fixed on forward and backward thrust beam by bearing pin, piston rod by bearing pin with Grip block connects, and rotating up and down for grip block is realized by stretch cylinder and the contracting cylinder that clamp jack, so as to drive opening for grip block Close to realize the clamping to chain and loosen；Described guide wheel assemblies（13）Including directive wheel（132）And it is oriented to wheeling support（131）, described guiding wheeling support fixes On barge ship side, described directive wheel is limited on described guiding wheeling support by rotating shaft and can led around the axis of rotation It is coincide to the groove shapes on wheel with chain link plate；Described hydraulic power unit（15）Including motor（151）, oil pump（152）With valve group component（153）, by hydraulic oil pipe with Jack, the oil circuit connection of clamping jack hydraulic are drawn, hydraulic power is provided for it.
- A kind of 2. chain type tractive device for raising of a wreck according to claim 1, it is characterised in that：Described chain type Draw-gear also includes two compensation jack（10）, two compensation jack are distributed in rear thrust beam symmetrically and side by side（9）With Base reaction frame（43）Between, the outer oil cylinder of described compensation jack is fixed on reaction frame（43）On, piston rod pushes up after being fixed on Push away beam（9）On；Described compensation jack oil pocket connection accumulator or hydraulic power unit and control device composition wave compensation system, Work as the water surface（14）When having wave, accumulator or with electric-control system synergy, by compensating jack（10）It is passive or main Thrust beam after dynamic stretch/shrink cylinder drives（9）Move forward and backward, realize passive type compensation, active compensation or semi-active type compensation.
- 3. a kind of chain type tractive device for raising of a wreck realizes the drag construction method of raising of a wreck, it is characterised in that：It is to realize that the traction of raising of a wreck is applied using a kind of chain type tractive device for raising of a wreck described in claim 1 Work method；During traction construction, chain passes through preceding thrust beam（6）, rear thrust beam（9）, guide pad（11）, pass through directive wheel（132） Become vertical direction by horizontal direction with shipwreck to be connected, barge（12）On use hoist engine（1）Identical tension hauls chain, makes chain （3）Keep level tensile state；During original state of constructing, fore-clamp holder（5）And rear clamper（8）It is in clamp position；Its Traction construction includes heavy lift operation and weight decentralization operation, and it is comprised the concrete steps that：A, heavy lift job step：A1, original state：Front and rear clamper closes, and draws very heavy synthlipsis cylinder in place；A2, fore-clamp holder closure：Front clamp jack, which stretches cylinder, makes fore-clamp holder（5）Close clamping chain；Cylinder is stretched in a3, the power conversion of traction jack：Draw jack（7）Cylinder is stretched in power conversion, makes fore-clamp holder（5）Stress clamp chain Bar；A4, rear clamper open：After clamp very heavy synthlipsis cylinder and make rear clamper（8）Opening loosens chain；A5, traction jack stretch cylinder：Draw jack（7）Cylinder is stretched, lifting is connected to chain（3）On weight；A6, rear clamper closure：Jack to be drawn（7）Stretch cylinder in place, rear clamper（8）Close clamping chain；A7, traction jack power conversion contracting cylinder：Draw jack（7）Power changes contracting cylinder, makes rear clamper（8）Stress clamp chain Bar；A8, fore-clamp holder are opened：The very heavy synthlipsis cylinder of front clamp makes fore-clamp holder（5）Opening loosens chain；A9, the very heavy synthlipsis cylinder of traction：Draw jack（7）Contracting cylinder backhaul；A10, the very heavy synthlipsis cylinder of traction are in place：Jack to be drawn（7）Contracting cylinder in place, repeats the action of above a2 ~ a10 steps and realized The continuance lifting of weight；B, weight decentralization job step：B1, original state：Front and rear clamper closes, and traction jack stretches cylinder in place；B2, fore-clamp holder closure：Front clamp jack, which stretches cylinder, makes fore-clamp holder（5）Close clamping chain；Cylinder is stretched in b3, the power conversion of traction jack：Draw jack（7）Cylinder is stretched in power conversion, makes fore-clamp holder（5）Stress clamp chain Bar；B4, rear clamper open：After clamp very heavy synthlipsis cylinder and make rear clamper（8）Opening loosens chain；B5, the very heavy synthlipsis cylinder of traction：Draw jack（7）Contracting cylinder, decentralization are connected to chain（3）On weight；B6, rear clamper closure：Jack to be drawn（7）Contracting cylinder in place, rear clamper（8）Close clamping chain；B7, traction jack power conversion contracting cylinder：Draw jack（7）Power changes contracting cylinder, makes rear clamper（8）Stress clamp chain Bar；B8, fore-clamp holder are opened：The very heavy synthlipsis cylinder of front clamp makes fore-clamp holder（5）Opening loosens chain；B9, traction jack stretch cylinder：Draw jack（7）Stretch cylinder backhaul；B10, traction jack stretch cylinder in place:Jack to be drawn（7）Stretch cylinder in place, repeat the action of above b2 ~ b10 steps and realize The continuous decentralization of weight.
- 4. a kind of chain type tractive device for raising of a wreck according to claim 3 realizes the traction construction of raising of a wreck Method, it is characterised in that：This construction method also includes a compensation of undulation program, can not be moved in chain before lifting operation starts By compensating after jack regulation gripper position to suitable clamping chain in the case of dynamic；Secondly, the water surface is worked as（14）There is wave When, accumulator or with electric-control system synergy, by compensating jack（10）It is passively or actively after stretch/shrink cylinder drives and pushes up Push away beam（9）Move forward and backward, finally drive chain（3）Move forward and backward, offset with this due to the water surface（14）Barge caused by wave （12）Heave movement is to chain（3）The influence of stretching force so that chain（3）Stretching force keeps stable state.
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| CN107140129A (en) * | 2017-05-22 | 2017-09-08 | 交通运输部上海打捞局 | Underwater Wreck Securing System |
| CN107672764B (en) * | 2017-08-23 | 2019-06-07 | 蔡绍利 | A kind of bank base pull-alongs hull Quick rescue system |
| CN108045514B (en) * | 2017-12-08 | 2023-10-20 | 中国铁建港航局集团有限公司 | Fishing device for bridge construction |
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| CN110239692A (en) * | 2019-07-10 | 2019-09-17 | 大连海事大学 | Synchronous lifter for salvation and operation method thereof |
| CN110342438A (en) * | 2019-07-16 | 2019-10-18 | 上海同新机电控制技术有限公司 | A kind of chain lifter |
| CN114852284B (en) * | 2022-04-12 | 2023-05-16 | 上海隧道工程有限公司 | Closed arc beam suitable for pipeline passing function under water and soil at river bottom |
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