CN111994586A - Dredging system of riprap leveling ship - Google Patents
Dredging system of riprap leveling ship Download PDFInfo
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- CN111994586A CN111994586A CN202010682886.8A CN202010682886A CN111994586A CN 111994586 A CN111994586 A CN 111994586A CN 202010682886 A CN202010682886 A CN 202010682886A CN 111994586 A CN111994586 A CN 111994586A
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- trolley
- leveling frame
- leveling
- driving
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G35/00—Mechanical conveyors not otherwise provided for
- B65G35/06—Mechanical conveyors not otherwise provided for comprising a load-carrier moving along a path, e.g. a closed path, and adapted to be engaged by any one of a series of traction elements spaced along the path
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Abstract
The invention provides a dredging system of a riprap leveling ship, which comprises a walking cart arranged on a second deck of the riprap leveling ship, wherein the walking cart is provided with a walking trolley; a lifting leveling frame device is arranged on the main deck through a lifting mechanism; the structure is that a leveling frame cart is arranged on the leveling frame device, a leveling frame trolley is arranged on the leveling frame cart, a hopper device is arranged on the leveling frame trolley, a dredging device is arranged on the hopper device, the dredging device is arranged on the leveling frame trolley, the leveling frame trolley is lifted through a lifting mechanism, and the transverse movement of the leveling frame trolley is realized by driving a walking trolley through a walking trolley driving device; the longitudinal movement of flattening frame dolly is realized through flattening frame dolly drive arrangement drive flattening frame dolly, during the desilting, descends the suction pump and the suction nozzle of desilting device to the top of metalling through elevating system, should set up, and the operation of desilting device is accurate, receives the influence of factors such as rivers for a short time, clears away the effectual of silt.
Description
Technical Field
The invention relates to the technical field of deep sea riprap equipment, in particular to a dredging system of a riprap leveling ship.
Background
When the submarine tunnel that the construction was laid by the immersed tube and was established, need lay the metalling on the seabed before laying the immersed tube, because the flow of sea water can drive seabed silt deposit on the metalling, and the silt on the metalling can change the atress characteristic on metalling, influences the biography power effect on metalling, leads to the immersed tube can't effectively contact the metalling, consequently need carry out the desilting operation to the metalling before placing the immersed tube, prevent that the immersed tube from contacting silt and causing the immersed tube displacement, can not dock with adjacent immersed tube accuracy.
The patent document with the application number of 201711105225.3 and the publication number of 2018.01.26 discloses an open sea deep water foundation bed dredging system and a dredging ship, wherein the dredging system comprises a dredging mechanism, a dredging suction head, a power component and a dredging pipeline, the dredging suction head is connected with the dredging pipeline, the dredging pipeline is communicated with the power component, the dredging suction head comprises at least one ridge surface suction port and at least one ridge ditch suction port, and the openings of all the ridge surface suction ports are lower than those of all the ridge surface suction ports; the lifting mechanism is connected with the dredging suction head and is used for lifting the dredging suction head to the position of the gravel foundation bed surface; the moving mechanism is connected with the lifting mechanism and used for driving the dredging suction head to move in the dredging range of the gravel foundation bed surface. By applying the open sea deep water foundation bed dredging system paved with the gravel firstly, the dredging suction head comprises the ridge surface suction port and the furrow suction port, and can simultaneously suck the sludge on the top surfaces of the gravel ridges and the sludge at the furrow between the two gravel ridges, thereby ensuring the quality of dredging the gravel foundation bed and improving the working efficiency.
However, in the dredging system with the structure, the dredging suction head is connected with the lifting mechanism through the dredging truss, the depth of seawater from the sea level to the seabed is dozens of meters, the seawater flows constantly, the resistance and inertia are large when the dredging truss and the dredging suction head move under the driving of the moving mechanism, the dredging suction head is easy to generate irregular deflection, and the effect of removing sludge is poor.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a dredging system of a riprap leveling ship, which solves the problem that a dredging device of the dredging system is influenced by factors such as water flow and the like during working to have poor effect of removing sludge.
In order to achieve the purpose, the technical scheme of the invention is as follows: a dredging system of a riprap leveling ship comprises walking cart sliding devices which are arranged on a second deck of the riprap leveling ship and are arranged in parallel along the two transverse sides of a moon pool of the riprap leveling ship, a walking cart is arranged on the walking cart sliding devices in a sliding manner, a walking cart driving device for driving the walking cart to slide along the walking cart sliding devices is arranged on the walking cart, a walking trolley sliding device is arranged on the walking cart along the length direction of the walking cart, a walking trolley is arranged on the walking trolley sliding device in a sliding manner, and a walking trolley driving device for driving the walking trolley to slide along the walking trolley sliding device is arranged on the walking trolley;
a liftable leveling frame device is arranged on a main deck of the stone-throwing leveling ship through a lifting mechanism, the leveling frame device comprises a square base frame, a leveling frame cart crossing the square base frame is slidably arranged in the transverse direction of the square base frame, a leveling frame cart driving device for driving the leveling frame cart to slide in the transverse direction of the square base frame is arranged on the square support, a leveling frame trolley is slidably arranged on the leveling frame cart, a leveling frame trolley driving device for driving the leveling frame trolley to slide in the length direction of the leveling frame trolley is arranged on the leveling frame cart, and more than three pile leg devices are further arranged on the square base frame;
the lifting mechanism comprises more than three lifting devices arranged between a hull of the riprap leveling ship and the leveling frame device, each lifting device comprises a lifting winch arranged on the hull, a first steel wire rope is wound on each lifting winch, a movable pulley is arranged along each first steel wire rope, and each first steel wire rope bypassing the corresponding movable pulley is connected with the hull; a steering pulley block is arranged on the ship body, a second steel wire rope is connected to the movable pulley, and the second steel wire rope bypasses the steering pulley block and is connected with the leveling frame device;
the leveling frame trolley is provided with a hopper device, the hopper device comprises a discharge hopper, more than one dredging device is arranged on the discharge hopper, the dredging device comprises a mud suction pump mounting seat arranged on the discharge hopper, a mud suction pump sliding device is arranged on the mud suction pump mounting seat, a mud suction pump is arranged on the mud suction pump sliding device, a suction nozzle is arranged at a mud inlet of the mud suction pump, a mud suction hard pipe is connected at a mud outlet of the mud suction pump, a mud suction pump driving device for driving the mud suction pump to slide along the mud suction pump sliding device is further arranged on the mud suction pump mounting seat, a high-pressure pump is further arranged on the mud suction pump sliding device, a high-pressure spray nozzle is arranged on the suction nozzle, and the high-pressure spray nozzle is connected with the high-pressure pump; a power pump station for providing power for the dredge pump driving device and the high-pressure pump is arranged on the walking trolley; the main deck of the riprap leveling ship is provided with a mud pipe winch, a mud discharging hose is wound on the mud pipe winch, one end of the mud discharging hose is connected with a mud sucking hard pipe, and the other end of the mud discharging hose is connected with a floating mud discharging hose arranged on the riprap leveling ship.
In the structure, the dredging device is arranged on the leveling frame trolley, the leveling frame trolley is lifted through the lifting mechanism, and the transverse movement of the leveling frame trolley is realized by driving the walking trolley through the walking trolley driving device; the longitudinal movement of the leveling frame trolley is realized by driving the leveling frame trolley through the leveling frame trolley driving device, and during dredging, a mud suction pump and a suction nozzle of the dredging device are lowered to the position above the gravel layer through the lifting mechanism;
the mud suction pump driving device drives the mud suction pump to slide along the mud suction pump sliding device, and the height of the mud suction pump can be adjusted according to requirements; high-pressure water generated by the high-pressure pump disturbs deposited sludge through the high-pressure nozzle, so that the sludge can be conveniently sucked by the suction pump.
Furthermore, the traveling cart sliding device comprises an I-shaped sliding rail arranged along the transverse direction of the two-layer deck and more than two groups of traveling cart traveling wheels arranged on the traveling cart, the traveling cart traveling wheels are matched with the I-shaped sliding rail, the I-shaped sliding rail comprises a top plate, a bottom plate and a vertical plate, the top end of the vertical plate is connected with the top plate, the bottom end of the vertical plate is connected with the bottom plate, the top plate, the bottom plate and the vertical plate are connected to form two grooves, a traveling cart traveling wheel is arranged in each groove, and the traveling cart traveling wheels are arranged at the bottom of the traveling cart through traveling cart traveling wheel supports; two sides of the top plate of the I-shaped slide rail are respectively provided with a walking cart side limiting wheel, and the walking cart side limiting wheels are arranged at the bottom of the walking cart through a walking cart side limiting wheel support;
the walking cart driving device comprises a walking cart driving rack arranged on a top plate of the I-shaped sliding rail, a walking cart driving motor is arranged on the walking cart, a walking cart driving gear is arranged on an output shaft of the walking cart driving motor, the walking cart driving gear is meshed with the walking cart driving rack, a rack blocking wheel for blocking the rack is arranged on one side of the walking cart opposite to one side, with teeth, of the walking cart driving rack, and the rack blocking wheel is arranged at the bottom of the walking cart through a rack blocking wheel support.
With the structure, the I-shaped sliding rail can not only provide a track for the traveling wheels of the traveling cart, but also limit the upper and lower positions of the traveling wheels of the traveling cart so as to prevent the traveling cart from toppling; the side limiting wheels of the walking cart can limit the side position of the walking cart and prevent the walking cart from deviating;
the walking cart is driven by a gear and rack meshing mode, so that the structure is simple and the driving is reliable; because the driving gear of the walking cart can generate huge thrust to the driving rack of the walking cart when rotating, the rack blocking wheel is arranged to offset the force borne by the driving rack of the walking cart, so that the gear and the rack are stably meshed.
Furthermore, the walking trolley sliding device comprises walking trolley slide rails arranged on two sides of the top of the walking trolley along the length direction of the walking trolley and more than two walking trolley walking wheels arranged on the walking trolley, and the walking trolley walking wheels are matched with the walking trolley slide rails.
The walking trolley driving device comprises a walking trolley driving rack arranged at the top of the walking cart, a walking trolley driving motor is arranged on the walking trolley, a walking trolley driving gear is arranged on an output shaft of the walking trolley driving motor, and the walking trolley driving gear is meshed with the walking trolley driving rack.
Above structure, walking dolly slide rail provides the motion track for walking dolly walking wheel, and the walking dolly adopts rack and pinion meshing's mode drive equally, simple structure, and the drive is reliable.
Furthermore, the lifting device also comprises a first fixed pulley arranged on the ship body, a first steel wire rope sent out from the lifting winch bypasses the movable pulley and then bypasses the first fixed pulley, and the steel wire rope bypassing the first fixed pulley bypasses the movable pulley and then is connected with the ship body; the steering pulley block comprises a first horizontal steering pulley, a second horizontal steering pulley and a vertical steering pulley, and a second steel wire rope connected with the movable pulley passes through the first horizontal steering pulley, the second horizontal steering pulley and the vertical steering pulley and then is connected with the square base frame.
According to the arrangement, the movable pulley and the first fixed pulley are used in a matched mode, and after the first steel wire rope is wound on the movable pulley and the first fixed pulley, the pulling force of the lifting winch can be saved; the first horizontal diverting pulley and the second horizontal diverting pulley make the second steel wire rope divert in the horizontal direction, and the vertical diverting pulley makes the second steel wire rope divert from the horizontal direction to the vertical direction, so as to hold the square base frame.
Further, the cart driving device of the leveling frame comprises a cart driving wheel device arranged on one side of the square-shaped base frame in the transverse direction of the square-shaped base frame, the cart driving wheel device comprises a cart driving wheel, a cart driving motor for driving the cart driving wheel to rotate is arranged on the cart driving wheel device, a cart driven wheel device is arranged on the other side of the square-shaped base frame, the cart driven wheel device comprises a cart driven wheel, a cart driving chain is arranged between the cart driving wheel and the cart driven wheel, and the cart driving chain is connected with the leveling frame cart.
Above flattening frame cart drive arrangement, structure and drive mode are all simple, and during the use, flattening frame cart only needs intermittent motion, consequently has lower to the requirement of chain, can realize the reciprocating motion of square shape bed frame along transverse direction through controlling cart driving motor's just reversing.
Further, leveling frame dolly drive arrangement is including establishing the dolly drive wheel device on hopper arrangement and establishing two dolly directive wheel devices in dolly drive wheel device below, dolly drive wheel device and two dolly directive wheel devices are the article font and arrange, dolly drive wheel device includes the dolly drive wheel, be equipped with the rotatory dolly driving motor of driving the dolly drive wheel on dolly drive wheel device, dolly directive wheel device includes the dolly directive wheel, be equipped with dolly drive chain on the dolly drive wheel, one end of dolly drive chain is walked around one of them dolly directive wheel and is linked to each other with the one end of leveling frame cart, the other end of dolly drive chain is walked around another dolly directive wheel and is linked to each other with the other end of leveling frame cart.
The leveling frame trolley driving device has the advantages that the leveling frame trolley needs to move continuously and is easy to wear, in order to ensure the running precision of the leveling frame trolley, the chain is not too long, the structure is arranged, the used chain is short, and the running precision is high; the reciprocating motion of the square base frame along the longitudinal direction can be realized by controlling the positive and negative rotation of the driving motor of the trolley.
Further, the spud leg device comprises a fixing sleeve, a telescopic sleeve and a spud leg oil cylinder, the fixing sleeve is fixedly connected with the leveling frame, the cylinder body of the spud leg oil cylinder is arranged at the top of the fixing sleeve, the telescopic sleeve is slidably arranged in the fixing sleeve, a piston rod of the spud leg oil cylinder is connected with the top of the telescopic sleeve, and a supporting plate is arranged at the bottom of the telescopic sleeve.
The pile leg device is arranged, and the extending length of the telescopic sleeve can be adjusted by adjusting the pile leg oil cylinder so as to adapt to the environment with uneven seabed.
Furthermore, two sides of the top of the square base frame along the transverse direction are respectively provided with a leveling frame cart slide rail, more than two leveling frame cart idler wheels sliding along the leveling frame cart slide rails are arranged on the leveling frame cart, and more than two groups of leveling frame cart limiting devices which are matched with the leveling frame cart slide rails and limit the position of the leveling frame cart are also arranged on the leveling frame cart; the leveling frame cart slide rail comprises a leveling frame cart slide rail transverse plate; the leveling frame cart limiting device comprises leveling frame cart side limiting wheels arranged on two sides of a sliding rail transverse plate of the leveling frame cart, and the leveling frame cart side limiting wheels are arranged at the bottom of the leveling frame cart through leveling frame cart side limiting wheel supports; the leveling frame cart limiting device also comprises leveling frame cart anti-turnover wheels arranged at the bottom of a leveling frame cart sliding rail transverse plate, and the leveling frame cart anti-turnover wheels are arranged at the bottom of the leveling frame cart through leveling frame cart anti-turnover wheel supports; the two sides of the top of the leveling frame cart along the longitudinal direction are respectively provided with a leveling frame trolley slide rail, more than two leveling frame trolley idler wheels which slide along the leveling frame trolley slide rails are arranged on the leveling frame trolley, and more than two groups of leveling frame trolley limiting devices which are matched with the leveling frame trolley slide rails and limit the position of the leveling frame trolley are also arranged on the leveling frame trolley; the leveling frame trolley slide rail comprises a leveling frame trolley slide rail transverse plate; the leveling frame trolley limiting device comprises leveling frame trolley side limiting wheels arranged on two sides of a sliding rail transverse plate of the leveling frame trolley, and the leveling frame trolley side limiting wheels are arranged at the bottom of the leveling frame trolley through leveling frame trolley side limiting wheel supports; the leveling frame trolley limiting device further comprises leveling frame trolley anti-turnover wheels arranged at the bottom of the leveling frame trolley sliding rail transverse plate, and the leveling frame trolley anti-turnover wheels are arranged at the bottom of the leveling frame trolley through the leveling frame trolley anti-turnover wheel support.
According to the structure, the leveling frame cart side limiting wheels are arranged on two sides of the leveling frame cart sliding rail transverse plate, and the arrangement can limit the leveling frame cart to deviate in the longitudinal direction; the anti-overturning wheels of the leveling frame cart are arranged at the bottom of the cross plate of the sliding rail of the leveling frame cart to prevent the leveling frame cart from overturning; the leveling frame trolley side limiting wheels are arranged on two sides of a sliding rail transverse plate of the leveling frame trolley, and the arrangement can limit the leveling frame trolley to deviate in the transverse direction; the anti-overturning wheels of the leveling frame trolley are arranged at the bottom of the transverse plate of the sliding rail of the leveling frame trolley, so that the leveling frame trolley can be prevented from overturning.
Furthermore, the dredge pump sliding device comprises two sliding rails arranged on a dredge pump mounting seat in parallel, a sliding block is arranged on each sliding rail in a sliding manner, a sliding seat is arranged on each sliding block, and both the dredge pump and the high-pressure pump are arranged on the sliding seats; the mud pump driving device comprises a telescopic hydraulic cylinder, a cylinder body of the telescopic hydraulic cylinder is connected with the mud pump mounting seat, and a piston rod of the telescopic hydraulic cylinder is connected with the sliding seat.
Above structure sets up two slide rails and enables the operation of dredge pump steady, and telescopic pneumatic cylinder action can drive dredge pump and make elevating movement.
Further, the power pump station comprises a hydraulic oil pump arranged on the walking trolley and a motor for driving the hydraulic oil pump, the power pump station is arranged on the walking trolley, and when the power pump station works, the walking trolley and the leveling frame trolley move synchronously; the hydraulic oil pump provides power for the suction dredge and the high-pressure pump.
Drawings
Figure 1 is a top plan view of a riprap levelling vessel carrying the present invention;
FIG. 2 is a front view of a riprap leveling vessel carrying the present invention;
figure 3 is a right side view of a riprap levelling vessel carrying the present invention;
FIG. 4 is a top view of the main deck of the riprap leveling vessel carrying the present invention;
FIG. 5 is an enlarged view taken at A in FIG. 3;
FIG. 6 is an enlarged view of FIG. 2 at B;
FIG. 7 is a layout view of the lifting device of the present invention;
fig. 8 is a roping diagram of a first steel cord according to the present invention;
figure 9 is a top plan view of a screed stand apparatus carrying the riprap screed vessel of the present invention;
figure 10 is a front view of a screed frame assembly carrying the riprap screed vessel of the present invention;
figure 11 is a right side view of a screed stand apparatus carrying the riprap screed vessel of the present invention;
FIG. 12 is an enlarged view at C of FIG. 11;
FIG. 13 is a schematic structural view of a leveling frame cart driving device according to the present invention;
FIG. 14 is an enlarged view of FIG. 10 at D;
FIG. 15 is a schematic structural view of a carriage driving device of the leveling frame of the present invention;
fig. 16 is an enlarged view at E in fig. 11.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 to 16: a riprap leveling ship comprises a ship body 1, when the ship body 1 is in a state shown in figures 1 and 7, a bow is arranged above the ship body 1, a stern is arranged below the ship body 1, a port is arranged on the left side, a starboard is arranged on the right side, the ship body is transverse along an X-axis direction, and longitudinal along a Y-axis direction, a moon pool 100 is arranged in the center of the ship body 1, and the ship body 1 comprises a main deck 101 and a second deck 102. In the drawings of the specification, P is sea level.
The dredging system is arranged on the riprap leveling ship and comprises walking cart sliding devices 21 which are arranged on a two-layer deck 102 and arranged in parallel along the two transverse sides of a moon pool 100, a walking cart 22 is arranged on the walking cart sliding devices 21 in a sliding mode, in the embodiment, the walking cart 22 is of a box-type double-beam structure, a walking cart driving device 23 for driving the walking cart 22 to slide along the walking cart sliding devices 21 is arranged on the walking cart 22, a walking trolley sliding device 25 is arranged on the walking cart 22 along the length direction of the walking cart 22, a walking trolley 26 is arranged on the walking trolley sliding device 25 in a sliding mode, and a walking trolley driving device 27 for driving the walking trolley 26 to slide along the walking trolley sliding device 25 is arranged on the walking trolley 26.
The traveling cart sliding device 21 comprises an i-shaped sliding rail 211 arranged on both sides of the moon pool 100 in parallel along the transverse direction of the two-layer deck 102 and more than two groups of traveling cart traveling wheels arranged at the bottom of the traveling cart 22, the traveling cart traveling wheels are matched with the i-shaped sliding rail 211, in the embodiment, four groups of traveling cart traveling wheels are arranged at the bottom of the traveling cart 22, namely, each end of the walking cart 22 is respectively provided with two groups of walking cart walking wheels, each group of walking cart walking wheels comprises four walking cart walking wheels 212, the I-shaped sliding rail 211 comprises a top plate 2110, a bottom plate 2112 and a vertical plate 2111, the top end of the vertical plate 2111 is connected with the top plate 2110, the bottom end of the vertical plate 2111 is connected with the bottom plate 2112, the top plate 2110, the bottom plate 2112 and the vertical plate 2111 are connected to form two grooves 2113, all the walking cart walking wheels 212 are symmetrically arranged in the two grooves 2113 by 2, and the walking cart walking wheels 212 are arranged at the bottom of the walking cart through walking cart walking wheel brackets 213; a walking cart side limiting wheel 214 is arranged at each group of walking wheels 212 of the walking cart and positioned on two sides of the top plate 2110 of the I-shaped sliding rail 211, and the walking cart side limiting wheels are arranged at the bottom of the walking cart 22 through a walking cart side limiting wheel bracket 215;
the traveling cart driving device 23 includes a traveling cart driving rack 231 provided on a top plate 2110 of the i-shaped slide rail 211, in this embodiment, the traveling cart driving rack 231 is provided on the top plate 2110 through a traveling cart driving rack pad 2310, the traveling cart driving rack pad 2310 is provided with a space avoiding gap below the teeth of the traveling cart driving rack 231, the space avoiding gap can avoid a driving gear engaged with the traveling cart driving rack 231 and can make the driving gear completely engaged with the traveling cart driving rack 231 to improve driving effect and stability, the traveling cart 22 is provided with a traveling cart driving motor 230, an output shaft of the traveling cart driving motor 230 is provided with a traveling cart driving gear 232, the traveling cart driving gear 232 is engaged with the traveling cart driving rack 231, a rack retaining wheel 233 for retaining the traveling cart driving rack 231 is provided on the traveling cart 22 on a side opposite to a side of the traveling cart driving rack 231 having the teeth, the rack resisting wheel 233 is provided at the bottom of the traveling cart 22 through the rack resisting wheel bracket 234;
with the arrangement, the traveling cart traveling wheels 212 support the traveling cart 22, when the traveling cart 22 needs to move, the traveling cart driving motor 230 is started, the output shaft of the traveling cart driving motor 230 rotates to drive the traveling cart driving gears 232 to rotate, the traveling cart driving racks 231 are fixed on the i-shaped sliding rails 211, the i-shaped sliding rails 211 are fixed on the second-layer deck 102, the traveling cart can be driven to move on the second-layer deck 102 by the rotation of the traveling cart driving gears 232, the traveling cart side limiting wheels 214 limit the deviation of the traveling cart 22 from the two sides of the i-shaped sliding rails 211, and the traveling cart 22 can stably move along the i-shaped sliding rails 211.
The traveling trolley sliding device 25 comprises traveling trolley slide rails 251 arranged on two sides of the top of the traveling trolley 22 along the length direction of the traveling trolley 22 and more than two traveling trolley traveling wheels arranged on the traveling trolley 26, and the traveling trolley traveling wheels are matched with the traveling trolley slide rails 251; in this embodiment, two ends of the same side of the traveling trolley 26 are respectively provided with a traveling trolley traveling wheel 252 matched with a traveling trolley slide rail 251, the traveling trolley traveling wheel 252 is provided with a groove, the traveling trolley slide rail 251 is clamped in the groove, the traveling trolley slide rail 251 is arranged on the traveling trolley 26 through a traveling trolley slide rail seat 250, two sides of the bottom of the traveling trolley slide rail 251 are respectively pressed by a slide rail pressing plate 253, and the slide rail pressing plate 253 is fixed on the traveling trolley slide rail seat 250 through a bolt 254.
The traveling trolley driving device 27 comprises a traveling trolley driving rack 271 arranged on a traveling trolley slide rail seat 250, a traveling trolley driving motor 270 is arranged on the traveling trolley 26, a traveling trolley driving gear 272 is arranged on an output shaft of the traveling trolley driving motor 270, the traveling trolley driving gear 272 is meshed with the traveling trolley driving rack 271, in the embodiment, the traveling trolley driving rack 271 is welded on the traveling trolley slide rail seat 250, a groove 2500 for avoiding the position of the traveling trolley driving gear 272 is formed in the traveling trolley slide rail seat 250, the groove 2500 can provide an avoiding position for the traveling trolley driving gear 272, the traveling trolley driving gear 272 is completely meshed with the traveling trolley driving rack 271, and the driving stability is improved.
With the above arrangement, the traveling trolley slide rail 251 supports the traveling trolley 26 through the traveling trolley travel wheel 252, when the traveling trolley 26 needs to move, the traveling trolley driving motor 270 is started, the output shaft of the traveling trolley driving motor 270 rotates to drive the traveling trolley driving gear 272 to rotate, and since the traveling trolley driving rack 271 is fixed on the traveling cart 22 through the traveling trolley slide rail seat 250, the traveling trolley driving gear 272 can rotate to drive the traveling trolley 26 to move stably along the traveling trolley slide rail 251.
A lifting leveling frame device 4 is arranged on a main deck 101 of the riprap leveling boat through a lifting mechanism.
The lifting mechanism comprises more than three lifting devices 3 arranged between the ship body 1 and the leveling frame device 4, in the embodiment, the number of the lifting devices 3 is four, the four lifting devices 3 are all arranged on the main deck 101 and are symmetrically arranged along the transverse and longitudinal central planes of the main deck 101, each lifting device 3 comprises a lifting hoisting winch 30 arranged on the ship body 1, a first steel wire rope 31 is wound on each lifting hoisting winch, a movable pulley 32 is arranged along the first steel wire rope 31, a first fixed pulley 33 is also arranged on the ship body 1, the first steel wire rope 31 bypassing the movable pulley 32 bypasses the first fixed pulley 33, and the first steel wire rope 31 bypassing the first fixed pulley 33 bypasses the movable pulley 32 again and is connected with the ship body 1; the ship body 1 is also provided with a steering pulley block which comprises a first horizontal steering pulley 34, a second horizontal steering pulley 35 and a vertical steering pulley 36, the movable pulley 32 is connected with a second steel wire rope 37, and the second steel wire rope 37 with one end connected with the movable pulley 32 passes through the first horizontal steering pulley 34, the second horizontal steering pulley 35 and the vertical steering pulley and then 36 is connected with the leveling frame device 4.
The first steel wire rope 31, the movable pulley 32 and the first fixed pulley 33 form a four-multiplying-power rope winding structure, the output power of the lifting hoisting winch 30 can be effectively reduced, namely, a low-power lifting hoisting winch can be selected, the cost is saved, when the leveling frame device 4 needs to be lifted, four lifting hoisting winches 30 are started simultaneously, the first steel wire rope 31 is wound on the lifting hoisting winch 30, the movable pulley 32 is pulled to move towards the lifting hoisting winch 30, the movable pulley 32 pulls the second steel wire rope 37 from the horizontal direction, the second steel wire rope 37 changes the force application direction twice through the horizontal steering of the first horizontal steering pulley 34 and the second horizontal steering pulley 35, and then the vertical steering of the vertical steering pulley 36 is carried out, the second steel wire rope 37 which is originally horizontally arranged is changed into the vertical direction arrangement, namely, the leveling frame device 4 can be pulled from the vertical direction.
The leveling frame device 4 comprises a square base frame 40, in the embodiment, the square base frame 40 is welded into a square shape by four round tubular members, a leveling frame cart 41 stretching across the square base frame 40 is arranged in a sliding manner along the transverse direction of the square base frame 40, in the embodiment, the leveling frame cart 41 is of a double-beam structure, two leveling frame cart sliding rails 411 are respectively arranged on two sides of the top of the square base frame 40 along the transverse direction, the leveling frame cart sliding rails 411 are cross-shaped sliding rails, the bottoms of the leveling frame cart sliding rails 411 are welded on the square base frame 40, reinforcing rib plates are welded between the leveling frame cart sliding rails 411 and the square base frame 40, more than two leveling frame cart rollers 412 sliding along the leveling frame cart sliding rails 411 are arranged at the bottom of the leveling frame cart 41, and the leveling frame cart sliding rails comprise leveling frame cart sliding rail transverse plates 4111; the leveling frame cart 41 is also provided with more than two groups of leveling frame cart limiting devices 43 which are matched with the side surfaces of the leveling frame cart slide rail transverse plates 4111 and limit the position of the leveling frame cart 41, each leveling frame cart limiting device 43 comprises leveling frame cart side limiting wheels 430 arranged at two sides of each leveling frame cart slide rail transverse plate 4111, and the leveling frame cart side limiting wheels 430 are arranged at the bottom of the leveling frame cart 41 through leveling frame cart side limiting wheel supports 431; the leveling frame cart limiting device 43 further comprises leveling frame cart rollover prevention wheels 432 arranged at the bottom of the leveling frame cart sliding rail transverse plate 4111, and the leveling frame cart rollover prevention wheels 432 are arranged at the bottom of the leveling frame cart 41 through leveling frame cart rollover prevention wheel supports 433.
A leveling frame cart driving device 44 for driving the leveling frame cart 41 to slide along the transverse direction of the square-shaped base frame 40 is arranged on the square-shaped base frame 40, in the embodiment, two sides of the square-shaped base frame along the transverse direction are respectively provided with one leveling frame cart driving device 44, the leveling frame cart driving device 44 comprises a cart driving wheel device 441 arranged on one side of the square-shaped base frame 40 along the transverse direction of the square-shaped base frame 40, the cart driving wheel device 441 comprises a cart driving wheel 4411, a cart driving motor 4410 for driving the cart driving wheel 4411 to rotate is arranged on the cart driving wheel device 441, a cart driven wheel device 442 is arranged on the other side of the square-shaped base frame 40, the cart driven wheel device 442 comprises a cart driven wheel 4421, a cart driving chain 443 is arranged between the cart driving wheel 4411 and the cart driven wheel 4421, and the cart driving chain 443 is connected with the leveling frame cart 41, the cart driving chain 443 selects a non-blocking anchor chain, the cart driving chain 443 bypasses a cart driving wheel 4411 and a cart driven wheel 4421, both ends of the cart driving chain 443 are provided with bolt pull rods 4431, two beams of the leveling frame cart 41 are respectively provided with a connecting lug 4131, through holes are formed in the connecting lugs 4131, the bolt pull rods 4431 at both ends of the cart driving chain 443 respectively penetrate through the through holes, and finally, screws 4432 are screwed on the bolt pull rods 4431 to connect the cart driving chain 443 with the leveling frame cart 41.
With the arrangement, when the leveling frame cart 41 needs to be moved, the cart driving motor 4410 is started, and the leveling frame cart 41 can move along the leveling frame cart sliding rail 411 through the cart driving chain 443; if it is desired to move the screed carriage 41 in the reverse direction, it is only necessary to reverse the carriage drive motor 4410.
A leveling frame trolley slide rail 415 is respectively arranged on two sides of the top of the leveling frame cart 41 along the longitudinal direction, and a leveling frame trolley 42 is arranged on the leveling frame trolley slide rail 415 in a sliding manner, wherein in the embodiment, the leveling frame trolley is in a double-beam structure; the leveling frame trolley slide rail 415 is a cross slide rail, the bottom of the leveling frame trolley slide rail 415 is welded on the leveling frame cart 41, a reinforcing rib plate is welded between the leveling frame trolley slide rail 415 and the leveling frame cart 41, more than two leveling frame trolley rollers 425 sliding along the leveling frame trolley slide rail 415 are arranged at the bottom of the leveling frame trolley, the leveling frame trolley slide rail 415 comprises a leveling frame trolley slide rail transverse plate 4151, and more than two sets of leveling frame trolley limiting devices 44 which are matched with the leveling frame trolley slide rail 415 and limit the position of the leveling frame trolley 42 are further arranged at the bottom of the leveling frame trolley; the flattening frame trolley limiting device 44 comprises flattening frame trolley side limiting wheels 440 arranged at two sides of a flattening frame trolley slide rail transverse plate 4151, and the flattening frame trolley side limiting wheels 440 are arranged at the bottom of the flattening frame trolley 42 through flattening frame trolley side limiting wheel brackets 441; the leveling frame trolley limiting device 44 further comprises leveling frame trolley anti-turnover wheels 442 arranged at the bottom of the leveling frame trolley sliding rail transverse plate 4151, and the leveling frame trolley anti-turnover wheels 442 are arranged at the bottom of the leveling frame trolley 42 through leveling frame trolley anti-turnover wheel supports 443.
A leveling frame trolley driving device 47 for driving the leveling frame trolley 42 to slide along the length direction of the leveling frame trolley 41 is arranged on the leveling frame trolley 41 and the leveling frame trolley 42; a hopper device 48 is arranged between the two beams of the leveling frame trolley 42, the hopper device 48 comprises a discharge hopper 480, the leveling frame trolley driving device 47 comprises a trolley driving wheel device 471 arranged on the discharge hopper 480 and two trolley steering wheel devices 472 arranged below the trolley driving wheel device, the trolley driving wheel device 471 and the two trolley steering wheel devices 472 are arranged in a triangle shape, the trolley driving wheel device 471 comprises a trolley driving wheel 4711, a trolley driving motor 4712 for driving the trolley driving wheel 4711 to rotate is arranged on the trolley driving wheel device 471, the trolley steering wheel device 472 comprises a trolley steering wheel 4721, a trolley driving chain 473 is arranged on the trolley driving wheel 4711, in the embodiment, the trolley driving chain 473 adopts a non-blocking anchor chain, one end of the trolley driving chain 473 bypasses one of the trolley steering wheels 4721 and is connected with one end of the leveling frame trolley 41, the other end of the trolley driving chain bypasses the other trolley steering wheel 4721 and is connected with the other end of the leveling frame trolley 41, the trolley drive chain 473 is connected to the screed cart 41 in the same manner as the trolley drive chain 443 is connected to the screed cart 41.
More than three pile leg devices 49 are also arranged on the square base frame 40; in this embodiment, the number of the spud leg devices 49 is four, two of the spud leg devices 49 are disposed on one side of the rectangular pedestal 40 in the longitudinal direction, the other two are disposed on the other side of the rectangular pedestal 40 in the longitudinal direction, the spud leg device 49 includes a fixing sleeve 490, an expansion sleeve 491 and a spud leg cylinder 492, the fixing sleeve 490 is connected to the rectangular pedestal 40 by a flange, a cylinder body of the spud leg cylinder 492 is disposed on a top portion of the fixing sleeve, the expansion sleeve 491 is slidably disposed in the fixing sleeve 490, a piston rod of the spud leg cylinder 492 is connected to a top portion of the expansion sleeve 491, a support plate 493 is disposed at a bottom portion of the expansion sleeve 491, the spud leg cylinder 492 is activated when the leveling frame device 4 is lowered by the lifting mechanism, the expansion sleeve 491 and the support plate 493 are extended out, an inclinometer is disposed on the rectangular pedestal 40, the inclinometer can feed back inclination angle parameters of the rectangular pedestal, the stroke of the pile leg oil cylinders 492 and the depth parameter of the pile leg device on the seabed can be fed back in real time, and after the leveling frame device 4 is completely fallen on the seabed, each pile leg oil cylinder independently acts according to the inclination angle parameter fed back by the inclinometer to adjust the square bed frame 40 to the horizontal position.
The discharge hopper 480 is provided with more than one dredging device 5, in the embodiment, the number of the dredging devices is two, the two dredging devices are oppositely arranged at the two longitudinal sides of the discharge hopper 480, the dredging device 5 comprises a dredge pump mounting seat 481 arranged on the discharge hopper 480, a dredge pump sliding device is arranged on the dredge pump mounting seat 481, in the embodiment, the dredge pump sliding device comprises two sliding rails 482 arranged on the dredge pump mounting seat 481 in parallel, a sliding block 483 is arranged on the sliding rails 482 in a sliding manner, a sliding seat 484 is arranged on the sliding block 483, a dredge pump 485 is arranged on the sliding seat 484, a suction nozzle 486 is arranged at a dredge inlet of the dredge pump 485, a dredge hard pipe 487 is connected at a dredge outlet of the dredge pump 485, a dredge pump driving device for driving the dredge pump 485 to slide along the dredge pump sliding device is also arranged on the dredge pump mounting seat, in the embodiment, the dredge pump driving device is a telescopic hydraulic cylinder 488, the cylinder body of the telescopic hydraulic cylinder 488 is connected with the dredge pump mounting seat 481, the piston rod of the telescopic hydraulic cylinder 488 is connected with the sliding seat 484, a high-pressure pump 489 is further arranged on the dredge pump sliding device, a high-pressure spray head 4810 is arranged on the suction nozzle 486, and the high-pressure spray head 4810 is connected with the high-pressure pump 489; a power pump station (not shown) for supplying power to the telescopic hydraulic cylinder 488 and the high-pressure pump 489 is disposed on the traveling trolley 26, and the power pump station includes a hydraulic oil pump disposed on the traveling trolley 26 and a motor for driving the hydraulic oil pump.
Two mud suction hard pipes 487 on the two sets of dredging devices are connected through a three-way joint 4811; the main deck 101 of the riprap leveling ship is provided with a mud pipe winch (not shown), the mud pipe winch is wound with a mud discharging hose (not shown), one end of the mud discharging hose is connected with a joint, which is not connected with the mud sucking hard pipe 487, of the three-way joint 4811, the other end of the mud discharging hose is connected with a floating mud discharging hose arranged on the riprap leveling ship, during operation, the high-pressure spray head 4810 disturbs deposited mud, the mud sucking pump 485 works, and the mud sucked by the mud sucking pump 485 is discharged to a kilometer beyond the kilometer along the mud sucking hard pipe 487, the three-way joint 4811 and the mud discharging hose through the floating mud discharging hose.
Claims (10)
1. The utility model provides a desilting system of riprap flattening ship which characterized in that: the device comprises a walking cart sliding device which is arranged on a second deck of a riprap leveling ship and is arranged in parallel along the two transverse sides of a moon pool of the riprap leveling ship, a walking cart is arranged on the walking cart sliding device in a sliding manner, a walking cart driving device for driving the walking cart to slide along the walking cart sliding device is arranged on the walking cart, a walking trolley sliding device is arranged on the walking cart along the length direction of the walking cart, a walking trolley is arranged on the walking trolley sliding device in a sliding manner, and a walking trolley driving device for driving the walking trolley to slide along the walking trolley sliding device is arranged on the walking trolley;
a liftable leveling frame device is arranged on a main deck of the stone-throwing leveling ship through a lifting mechanism, the leveling frame device comprises a square base frame, a leveling frame cart crossing the square base frame is slidably arranged in the transverse direction of the square base frame, a leveling frame cart driving device for driving the leveling frame cart to slide in the transverse direction of the square base frame is arranged on the square support, a leveling frame trolley is slidably arranged on the leveling frame cart, a leveling frame trolley driving device for driving the leveling frame trolley to slide in the length direction of the leveling frame trolley is arranged on the leveling frame cart, and more than three pile leg devices are further arranged on the square base frame;
the lifting mechanism comprises more than three lifting devices arranged between a hull of the riprap leveling ship and the leveling frame device, each lifting device comprises a lifting winch arranged on the hull, a first steel wire rope is wound on each lifting winch, a movable pulley is arranged along each first steel wire rope, and each first steel wire rope bypassing the corresponding movable pulley is connected with the hull; a steering pulley block is arranged on the ship body, a second steel wire rope is connected to the movable pulley, and the second steel wire rope bypasses the steering pulley block and is connected with the leveling frame device;
the leveling frame trolley is provided with a hopper device, the hopper device comprises a discharge hopper, more than one dredging device is arranged on the discharge hopper, the dredging device comprises a mud suction pump mounting seat arranged on the discharge hopper, a mud suction pump sliding device is arranged on the mud suction pump mounting seat, a mud suction pump is arranged on the mud suction pump sliding device, a suction nozzle is arranged at a mud inlet of the mud suction pump, a mud suction hard pipe is connected at a mud outlet of the mud suction pump, a mud suction pump driving device for driving the mud suction pump to slide along the mud suction pump sliding device is further arranged on the mud suction pump mounting seat, a high-pressure pump is further arranged on the mud suction pump sliding device, a high-pressure spray nozzle is arranged on the suction nozzle, and the high-pressure spray nozzle is connected with the high-pressure pump; a power pump station for providing power for the dredge pump driving device and the high-pressure pump is arranged on the walking trolley; the main deck of the riprap leveling ship is provided with a mud pipe winch, a mud discharging hose is wound on the mud pipe winch, one end of the mud discharging hose is connected with a mud sucking hard pipe, and the other end of the mud discharging hose is connected with a floating mud discharging hose arranged on the riprap leveling ship.
2. The dredging system of a riprap leveling vessel according to claim 1, wherein: the traveling cart sliding device comprises an I-shaped sliding rail arranged along the transverse direction of the two-layer deck and more than two groups of traveling cart traveling wheels arranged on the traveling cart, the traveling cart traveling wheels are matched with the I-shaped sliding rail, the I-shaped sliding rail comprises a top plate, a bottom plate and a vertical plate, the top end of the vertical plate is connected with the top plate, the bottom end of the vertical plate is connected with the bottom plate, the top plate, the bottom plate and the vertical plate are connected to form two grooves, a traveling cart traveling wheel is arranged in each groove, and the traveling cart traveling wheels are arranged at the bottom of the traveling cart through traveling cart traveling wheel supports; two sides of the top plate of the I-shaped slide rail are respectively provided with a walking cart side limiting wheel, and the walking cart side limiting wheels are arranged at the bottom of the walking cart through a walking cart side limiting wheel support;
the walking cart driving device comprises a walking cart driving rack arranged on a top plate of the I-shaped sliding rail, a walking cart driving motor is arranged on the walking cart, a walking cart driving gear is arranged on an output shaft of the walking cart driving motor, the walking cart driving gear is meshed with the walking cart driving rack, a rack blocking wheel for blocking the rack is arranged on one side of the walking cart opposite to one side, with teeth, of the walking cart driving rack, and the rack blocking wheel is arranged at the bottom of the walking cart through a rack blocking wheel support.
3. The dredging system of a riprap leveling vessel according to claim 1, wherein: the traveling trolley driving device comprises a traveling trolley driving rack arranged at the top of the traveling trolley, a traveling trolley driving motor is arranged on the traveling trolley, a traveling trolley driving gear is arranged on an output shaft of the traveling trolley driving motor, and the traveling trolley driving gear is meshed with the traveling trolley driving rack.
4. The dredging system of a riprap leveling vessel according to claim 1, wherein: the lifting device also comprises a first fixed pulley arranged on the ship body, a first steel wire rope sent out from the lifting winch bypasses the movable pulley and then bypasses the first fixed pulley, and the steel wire rope bypassing the first fixed pulley bypasses the movable pulley and then is connected with the ship body; the steering pulley block comprises a first horizontal steering pulley, a second horizontal steering pulley and a vertical steering pulley, and a second steel wire rope connected with the movable pulley passes through the first horizontal steering pulley, the second horizontal steering pulley and the vertical steering pulley and then is connected with the square base frame.
5. The dredging system of a riprap leveling vessel according to claim 1, wherein: the leveling frame cart driving device comprises a cart driving wheel device arranged on one side of the square-shaped base frame in the transverse direction of the square-shaped base frame, the cart driving wheel device comprises a cart driving wheel, a cart driving motor for driving the cart driving wheel to rotate is arranged on the cart driving wheel device, a cart driven wheel device is arranged on the other side of the square-shaped base frame, the cart driven wheel device comprises a cart driven wheel, a cart driving chain is arranged between the cart driving wheel and the cart driven wheel, and the cart driving chain is connected with the leveling frame cart.
6. The dredging system of a riprap leveling vessel according to claim 1, wherein: the leveling frame trolley driving device comprises a trolley driving wheel device arranged on a hopper device and two trolley steering wheel devices arranged below the trolley driving wheel device, the trolley driving wheel device and the two trolley steering wheel devices are arranged in a shape like a Chinese character 'pin', the trolley driving wheel device comprises a trolley driving wheel, a trolley driving motor for driving the trolley driving wheel to rotate is arranged on the trolley driving wheel device, the trolley steering wheel device comprises a trolley steering wheel, a trolley driving chain is arranged on the trolley driving wheel, one end of the trolley driving chain is connected with one end of a leveling frame cart by bypassing one of the trolley steering wheels, and the other end of the trolley driving chain is connected with the other end of the leveling frame cart by bypassing the other trolley steering wheel.
7. The dredging system of the riprap leveling boat according to claim 1, wherein the spud leg device comprises a fixed sleeve, a telescopic sleeve and a spud leg cylinder, the fixed sleeve is fixedly connected with the leveling frame, the body of the spud leg cylinder is arranged on the top of the fixed sleeve, the telescopic sleeve is slidably arranged in the fixed sleeve, the piston rod of the spud leg cylinder is connected with the top of the telescopic sleeve, and the bottom of the telescopic sleeve is provided with a support plate.
8. The dredging system of the riprap leveling boat according to claim 1, wherein two sides of the top of the square base frame along the transverse direction are respectively provided with a leveling frame cart slide rail, the leveling frame cart is provided with more than two leveling frame cart rollers sliding along the leveling frame cart slide rails, and the leveling frame cart is further provided with more than two groups of leveling frame cart limiting devices which are matched with the leveling frame cart slide rails and limit the position of the leveling frame cart; the leveling frame cart slide rail comprises a leveling frame cart slide rail transverse plate; the leveling frame cart limiting device comprises leveling frame cart side limiting wheels arranged on two sides of a sliding rail transverse plate of the leveling frame cart, and the leveling frame cart side limiting wheels are arranged at the bottom of the leveling frame cart through leveling frame cart side limiting wheel supports; the leveling frame cart limiting device also comprises leveling frame cart anti-turnover wheels arranged at the bottom of a leveling frame cart sliding rail transverse plate, and the leveling frame cart anti-turnover wheels are arranged at the bottom of the leveling frame cart through leveling frame cart anti-turnover wheel supports; the two sides of the top of the leveling frame cart along the longitudinal direction are respectively provided with a leveling frame trolley slide rail, more than two leveling frame trolley idler wheels which slide along the leveling frame trolley slide rails are arranged on the leveling frame trolley, and more than two groups of leveling frame trolley limiting devices which are matched with the leveling frame trolley slide rails and limit the position of the leveling frame trolley are also arranged on the leveling frame trolley; the leveling frame trolley slide rail comprises a leveling frame trolley slide rail transverse plate; the leveling frame trolley limiting device comprises leveling frame trolley side limiting wheels arranged on two sides of a sliding rail transverse plate of the leveling frame trolley, and the leveling frame trolley side limiting wheels are arranged at the bottom of the leveling frame trolley through leveling frame trolley side limiting wheel supports; the leveling frame trolley limiting device further comprises leveling frame trolley anti-turnover wheels arranged at the bottom of the leveling frame trolley sliding rail transverse plate, and the leveling frame trolley anti-turnover wheels are arranged at the bottom of the leveling frame trolley through the leveling frame trolley anti-turnover wheel support.
9. The dredging system of the riprap leveling boat according to claim 1, wherein the dredge pump sliding device comprises two sliding rails arranged on the dredge pump mounting seat in parallel, a sliding block is arranged on the sliding rails in a sliding manner, a sliding seat is arranged on the sliding block, and the dredge pump and the high pressure pump are both arranged on the sliding seat; the mud pump driving device comprises a telescopic hydraulic cylinder, a cylinder body of the telescopic hydraulic cylinder is connected with the mud pump mounting seat, and a piston rod of the telescopic hydraulic cylinder is connected with the sliding seat.
10. The dredging system of the riprap leveling ship according to claim 1, wherein the power pump station comprises a hydraulic oil pump arranged on the walking trolley and a motor for driving the hydraulic oil pump.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910944500.3A CN110834905A (en) | 2019-09-30 | 2019-09-30 | Dredging system of riprap leveling ship |
| CN2019109445003 | 2019-09-30 |
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| CN111994586A true CN111994586A (en) | 2020-11-27 |
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| CN201910944500.3A Pending CN110834905A (en) | 2019-09-30 | 2019-09-30 | Dredging system of riprap leveling ship |
| CN202010682886.8A Pending CN111994586A (en) | 2019-09-30 | 2020-07-15 | Dredging system of riprap leveling ship |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910944500.3A Pending CN110834905A (en) | 2019-09-30 | 2019-09-30 | Dredging system of riprap leveling ship |
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| CN207419566U (en) * | 2017-10-30 | 2018-05-29 | 中交上航局航道建设有限公司 | It is a kind of to twist the jacking system for inhaling ship |
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2019
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| CN201245235Y (en) * | 2008-08-12 | 2009-05-27 | 中交第一航务工程局有限公司 | Deep water jackstone leveling ship |
| CN201620433U (en) * | 2010-02-05 | 2010-11-03 | 上海航盛船舶设计有限公司 | Bridge frame lifting system of dredger |
| CN102514898A (en) * | 2011-12-19 | 2012-06-27 | 大连奥托股份有限公司 | Roller device of industrial heavy-load trolley |
| CN207260218U (en) * | 2017-10-12 | 2018-04-20 | 中交一航局第二工程有限公司 | Underwater bed leveling ship |
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