CN110615078A - Underwater resistance increasing device and method for large ship - Google Patents
Underwater resistance increasing device and method for large ship Download PDFInfo
- Publication number
- CN110615078A CN110615078A CN201910931044.9A CN201910931044A CN110615078A CN 110615078 A CN110615078 A CN 110615078A CN 201910931044 A CN201910931044 A CN 201910931044A CN 110615078 A CN110615078 A CN 110615078A
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- resistance
- water
- increasing
- ship body
- ship
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- 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
- B63C3/00—Launching or hauling-out by landborne slipways; Slipways
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- 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
- B63C3/00—Launching or hauling-out by landborne slipways; Slipways
- B63C3/14—Launching or hauling-out by landborne slipways; Slipways using braking means
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- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
The invention provides a large ship underwater resistance increasing device and a method, comprising the following steps: a slipway; a hull disposed on the dock; and the two pressurizing components are fixed on the front surface of the slipway and positioned on the left side and the right side of the ship body. The underwater resistance increasing device and the underwater resistance increasing method for the large ship have the advantages that the pressurizing assembly is matched with the resistance increasing assembly, resistance is increased on the ship body through the matching of the resistance increasing assembly and the resistance increasing assembly after the ship body enters water, the ship body is well limited not to rush out of the water surface too far, the operation of other ships on the water surface cannot be influenced by the ship body, the safety is improved, the tension of an anchor chain is reduced when the ship body is launched, the service life of the anchor chain is prolonged, the ship body is more stable after being launched, the buffer solution is river water or seawater beside the ship for building, the buffer solution is discharged into the river water or seawater when the buffer solution is discharged, water recycling is formed, energy is saved, the environment is protected, the installation and the dismounting between the resistance increasing plate and the ship body are.
Description
Technical Field
The invention relates to the field of large-scale ship launching auxiliary instruments, in particular to a large-scale ship underwater resistance increasing device and method.
Background
Ships, a collective term for various ships. A ship is a vehicle which can be sailed or moored in a water area for transportation or operation, and has different technical performances, equipment and structural types according to different use requirements.
After the ship is built, the ship needs to be put into water, a slipway for building the ship body is usually arranged to be slightly inclined, when the ship body is launched, the ship body slides into water through a sliding rail and runs out of an anchor for fixing, for a large ship, the mass is large, the inertia is large, the ship is limited only through the anchor, the distance between the ship body and the water surface can be far during the launching, the distance between the ship body and the water surface can be influenced by the fact that the ship body and the water surface are far away, and certain potential safety hazards exist.
Therefore, it is necessary to provide an underwater drag increasing device and method for a large ship to solve the above technical problems.
Disclosure of Invention
The invention provides an underwater resistance increasing device and method for a large ship, and solves the problem that the large ship can rush out of water for a long distance when being put into water.
In order to solve the above technical problems, the present invention provides an underwater resistance increasing device for a ship, comprising:
a slipway;
a hull disposed on the dock;
the two pressurizing components are fixed on the front surface of the slipway and positioned on the left side and the right side of the ship body, and one side of each pressurizing component is communicated with a drain pipe;
the ship comprises a ship body, a plurality of resistance adding components, a plurality of driving components and a plurality of pressurizing components, wherein the ship body is provided with a ship body, the ship body is provided;
the water supply assembly is arranged on the slipway.
Through setting up the cooperation of pressure boost subassembly and adding the subassembly that hinders, when pressure boost subassembly launches through the hull, drive the pressure differential that produces when piston piece promotes the buffer solution and discharges, increase it and hinder, simultaneously when the hull head just entered water, wire rope is straight, it expandes to drive the resistance-increasing board, utilize the area of contact increase resistance with water of increase after entrying, at first guaranteed that the hull can go into water smoothly, it hinders the subassembly to increase the hull through increasing the subassembly cooperation of group after entrying, fine restriction hull can not wash out the surface of water too far, and buffer solution is the river or sea water etc. of boats and ships construction next door, and discharge river later sea water again when discharging, form water cyclic utilization, and when increasing the board and expandes, spacing groove on the fixture block automatic cooperation spacing ring is spacing to increasing the board, retrieve when preventing with water contact, improve the stability that increases the board.
Preferably, the pressurizing assembly comprises a pressurizing cylinder, a piston block is arranged inside the pressurizing cylinder, a piston rod is fixedly connected to one side of the piston block, one end of the piston rod penetrates through the pressurizing cylinder and extends to the outside of the pressurizing cylinder, a fixing hole is formed in the outside of the pressurizing cylinder and is located on the piston rod, and one end of the steel wire rope is fixedly connected with the piston rod through the fixing hole.
The observation window is arranged on one side, close to the water supply assembly, of the surface of the pressure cylinder, so that the water demand in the pressure cylinder can be observed conveniently, the observation window is made of tempered glass, scale marks are printed on the observation window, the volume of the pressure cylinder is displayed, and the penetration position of the piston rod and the pressure cylinder is sealed mechanically.
Preferably, the inside of pressure cylinder is provided with the buffer solution, one side of pressure cylinder intercommunication has the drain pipe, be provided with first valve on the drain pipe.
The pipe diameter of drain pipe is less than the pressure cylinder, and when the hull was launched, through wire rope drive piston rod, the piston rod drove the pressure differential that produces when piston block promoted the buffer solution and discharges, increases the resistance to the hull.
Preferably, the water supply assembly comprises a water pump, the output end of the water pump is communicated with a liquid outlet pipe, the input end of the water pump is communicated with a liquid inlet pipe, a second valve is arranged on the liquid outlet pipe, and the liquid outlet pipe is communicated with one side of the pressure cylinder.
One end of the liquid inlet pipe is placed in river water or sea water beside the ship body to take water on site and drain water, and one end of the water outlet pipe is also placed in the river water or sea water beside the ship body, so that water resources are recycled, and the ship is environment-friendly and energy-saving.
Preferably, the resistance increasing assembly comprises a resistance increasing plate, an L-shaped groove is formed in the right side of the resistance increasing plate, a fixed rod is fixedly connected to the top of the inner surface of the L-shaped groove, and limiting assemblies are arranged at the upper end and the lower end of the fixed rod.
Preferably, the limiting assembly comprises an installation groove, a moving block is slidably connected between the top and the bottom of the inner surface of the installation groove, one side of the moving block is fixedly connected with one side of the inner surface of the installation groove through an elastic piece, the other side of the moving block is fixedly connected with an opening block, the bottom of the left side of the clamping block is an arc-shaped surface, and one side of the clamping block penetrates through the fixed rod and extends to the outside of the fixed rod.
The dead lever is integrated into one piece with the resistance increasing plate, the fixture block is clearance fit with the dead lever through-penetration, the inside with the dead lever is seted up to the mounting groove, when the resistance increasing plate is installed with the hull, directly insert the dead lever to the spacing ring on the hull, and in the insertion process, the arcwall face of spacing ring extrusion fixture block bottom, make the fixture block extrusion promote the movable block extrusion elastic component, the fixture block gets into to the mounting groove inside, the elastic component is in compression state this moment, and easy operation, and when the resistance increasing plate expandes, the resistance increasing plate moves the dead lever and rotates, make the fixture block rotate to the spacing groove on the spacing ring and correspond, through the effect of elastic component, it pops out to promote the fixture block, the cooperation spacing groove carries on spacingly to the resistance increasing plate.
Preferably, the left side of the top of the resistance-increasing plate is fixedly connected with a fixed shaft, the top end of the fixed shaft is fixedly connected with a threaded rod, the surface of the threaded rod is in threaded connection with a nut, the resistance-increasing plate is an arc-shaped plate, and the convex side of the resistance-increasing plate is in contact with the ship body.
The resistance-increasing plate is arranged as an arc-shaped plate, and after the resistance-increasing plate is unfolded, the concave side of the resistance-increasing plate is in direct contact with water, so that the contact area of the resistance-increasing plate and the water is increased, and the resistance is increased.
Preferably, one side of the resistance increasing plate is fixedly connected with the steel wire rope through a connecting assembly, a sliding rail is arranged at the top of the slipway, and the bottom of the ship body is connected with the sliding rail in a sliding manner.
The connecting assembly comprises two fixing plates, mounting holes are formed in the fixing plates, a hinged hole bolt penetrates through the mounting hole in one of the fixing plates, one end of a steel wire rope is sleeved on the hinged hole bolt, and one end of the hinged hole bolt penetrates through the other fixing plate and is fixed through a nut.
Preferably, the front of spacing ring has seted up the spacing groove, the drive subassembly is including the drive pole, drive both ends of pole all be provided with the sleeve pipe.
The sleeve pipes at the two ends of the driving rod are correspondingly inserted into the fixed shafts on the two adjacent resistance increasing plates and then are fixed through the nuts, and the sleeve pipes are in clearance fit with the fixed shafts, so that when the resistance increasing plate at the foremost side of the steel wire rope is unfolded, other resistance increasing plates are driven to be unfolded.
An underwater resistance-increasing method for a large ship is characterized by comprising the following steps:
s1: starting a water pump to inject water into the pressure cylinder, installing the two sides of the ship body respectively by the resistance increasing plates, and enabling the convex side of each resistance increasing plate to be in contact with the side surface of the ship body;
s2: when the water injection amount of the pressure cylinder exceeds eighty percent, closing the water pump 51, closing the second valve, stopping water injection, and fixedly connecting one end of the steel wire rope with the connecting assembly on the resistance increasing plate positioned at the foremost side of the slipway;
s3: when the ship body is about to launch, the second valve is opened, water in the pressure cylinder flows out through the water discharge pipe, when the ship body slides down into the water, when the ship head contacts with the water, the steel wire rope straightens, the steel wire rope pulls the piston rod, the piston rod pulls the piston block to extrude the buffer solution, and as the pipe diameter of the water discharge pipe is smaller than that of the pressure cylinder, a pressure difference is generated, and the pressure is far greater than the friction between a fixed rod on the resistance increasing plate and the limiting ring, the steel wire rope drives the resistance increasing plate to unfold;
s4: increase the resistance board and expand to ninety degrees, the in-process of expansion, the fixture block promotes the spacing inslot portion on the spacing ring through the effect of elastic component, carries on spacingly to increasing the resistance board, prevents to increase the resistance board to retrieving, utilizes the pressure differential of buffer water in the pressure boost subassembly to join in marriage and the hull resistance that increases resistance board and water production behind the income water, and the restriction hull can not dash out the surface of water too far.
Compared with the related technology, the underwater resistance increasing device and method for the large ship provided by the invention have the following beneficial effects:
the invention provides a large ship underwater resistance-increasing device and a method, wherein a pressurizing assembly is matched with a resistance-increasing assembly, the pressurizing assembly drives a piston block to push pressure difference generated when buffer solution is discharged when a ship body is launched, so as to increase resistance of the buffer solution, meanwhile, when the head of the ship body is just launched into water, a steel wire rope is straightened to drive a resistance-increasing plate to expand, the contact area between the ship body and the water is increased after the ship body is launched into the water, so as to increase the resistance, firstly, the ship body can be ensured to be launched smoothly, the resistance of the ship body is increased by matching the resistance-increasing assembly with the resistance-increasing assembly after the ship body is launched into the water, the ship body is well limited not to be rushed out of the water surface, so that the ship body does not influence the operation of other ships on the water surface, the safety is improved, the tension of an anchor chain is greatly reduced when the ship body is launched into the water, and the resistance-increasing plate is discharged into river water and seawater during discharge, so that water recycling is realized, the energy is saved, the environment is protected, when the resistance-increasing plate is unfolded, the clamping block is automatically matched with the limiting groove on the limiting ring to limit the resistance-increasing plate, the resistance-increasing plate is prevented from being recycled when being contacted with water, the stability of the resistance-increasing plate is improved, and the resistance-increasing plate and the ship body are simple and convenient to install and disassemble and can be repeatedly used.
Drawings
Fig. 1 is a schematic structural diagram of a large-scale ship underwater drag increasing device and method provided by the invention in a first embodiment;
FIG. 2 is a side view of the hull shown in FIG. 1;
FIG. 3 is a partial cross-sectional view of the booster cylinder shown in FIG. 1;
FIG. 4 is a schematic diagram of the mechanism of the resistance increasing plate shown in FIG. 1;
FIG. 5 is a top view of the resistance increasing plate shown in FIG. 1;
FIG. 6 is a partial cross-sectional view of the fixation rod of FIG. 1;
fig. 7 is a schematic structural view of the stop collar shown in fig. 1.
Reference numbers in the figures: 1. the ship comprises a ship platform, 2, a slide rail, 3, a ship body, 4, a pressurizing assembly, 41, a pressurizing cylinder, 42, a piston rod, 43, a piston block, 44, a buffer solution, 5, a water supply assembly, 51, a water pump, 52, a liquid outlet pipe, 53, a liquid inlet pipe, 54, a second valve, 6, a steel wire rope, 7, a resistance adding assembly, 71, a resistance adding plate, 72, an L-shaped groove, 73, a fixed rod, 74, a limiting assembly, 741, a mounting groove, 742, an elastic element, 743, a moving block, 744, 75, a fixed shaft, 76, a nut, 77, a threaded rod, 8, a driving assembly, 81, a driving rod, 82, a sleeve, 9, a limiting ring, 10, a limiting groove, 11, a water outlet pipe, 12, a first valve, 13 and a.
Detailed Description
The invention is further described with reference to the following figures and embodiments.
Please refer to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6 and fig. 7 in combination, wherein fig. 1 is a schematic structural diagram of a first embodiment of the underwater drag-increasing device and method for a large-scale ship according to the present invention; FIG. 2 is a side view of the hull shown in FIG. 1; FIG. 3 is a partial cross-sectional view of the booster cylinder shown in FIG. 1; FIG. 4 is a schematic diagram of the mechanism of the resistance increasing plate shown in FIG. 1; FIG. 5 is a top view of the resistance increasing plate shown in FIG. 1; FIG. 6 is a partial cross-sectional view of the fixation rod of FIG. 1; fig. 7 is a schematic structural view of the stop collar shown in fig. 1. An underwater resistance-increasing device for a ship, comprising:
a slipway 1;
the hull 3 is arranged on the slipway 1;
the two pressurizing assemblies 4 are fixed on the front surface of the slipway 1 and positioned on the left side and the right side of the ship body 3, and one side of each pressurizing assembly 4 is communicated with a drain pipe 11;
the ship comprises a plurality of resistance-adding components 7, wherein the resistance-adding components 7 are respectively and rotatably connected to the left side and the right side of a ship body 3 through a plurality of limiting rings 9, adjacent resistance-adding components 7 are in transmission connection through a driving component 8, and the resistance-adding components 7 are fixedly connected with a pressurizing component 4 through a steel wire rope 6;
and the water supply assembly 5 is arranged on the slipway 1.
Through the arrangement of the pressurizing assembly 4 matched with the resistance increasing assembly 7, when the pressurizing assembly 4 launches through the ship body 3, the piston block 43 is driven to push the pressure difference generated when the buffer liquid 44 is discharged, the resistance of the buffer liquid is increased, meanwhile, when the head of the ship body 3 just enters water, the steel wire rope 6 is straightened to drive the resistance increasing plate 71 to expand, the resistance is increased by increasing the contact area with the water after entering the water, firstly, the ship body 3 can smoothly enter the water, the resistance of the ship body 3 is increased through the matching of the resistance increasing assembly 4 and the resistance increasing assembly 7 after entering the water, the ship body is well limited not to rush out of the water surface too far, the operation of other ships on the water surface is not influenced by the ship body 3, the safety is improved, the tension of the anchor chain is greatly reduced when the ship body 3 launches, the service life of the anchor chain is prolonged, the ship body 3 launches more stably, the buffer liquid is river water or sea water beside the ship, and the buffer liquid is discharged, form water cyclic utilization, energy-concerving and environment-protective, and when increasing the expansion of resistance plate 71, the spacing groove 10 on fixture block 744 automatic cooperation spacing ring 9 carries on spacingly to increasing resistance plate 71, retrieves when preventing with the water contact, improves the stability of increasing resistance plate 71, and increases the installation dismantlement simple and conveniently between resistance plate 71 and the hull 3, can repetitious usage.
The pressurizing assembly 4 comprises a pressurizing cylinder 41, a piston block 43 is arranged inside the pressurizing cylinder 41, a piston rod 42 is fixedly connected to one side of the piston block 43, one end of the piston rod 42 penetrates through the pressurizing cylinder 41 and extends to the outside of the pressurizing cylinder 41, a fixing hole is formed in the outside of the pressurizing cylinder 41 and is located on the piston rod 42, and one end of the steel wire rope 6 is fixedly connected with the piston rod 42 through the fixing hole.
The observation window is arranged on one side, close to the water supply assembly 5, of the surface of the pressure cylinder 41, so that the water demand inside the pressure cylinder 41 can be observed conveniently, the observation window is made of tempered glass, scale marks are printed on the observation window, the volume of the pressure cylinder 41 is displayed, and the penetration position of the piston rod 42 and the pressure cylinder 41 is sealed mechanically to prevent the liquid inside from flowing out.
The inside of the pressure cylinder 41 is provided with a buffer 44, one side of the pressure cylinder 41 is communicated with a drain pipe 11, and the drain pipe 11 is provided with a first valve 12.
The pipe diameter of the water discharge pipe 11 is smaller than that of the pressure cylinder 41, when the ship body 3 is launched, the piston rod 42 is driven by the steel wire rope 6, and the piston rod 42 pulls the piston block 43 to push the buffer liquid 44 to be discharged, so that the resistance of the ship body is increased.
The water supply assembly 5 comprises a water pump 51, the output end of the water pump 51 is communicated with a liquid outlet pipe 52, the input end of the water pump 51 is communicated with a liquid inlet pipe 53, a second valve is arranged on the liquid outlet pipe 52, and the liquid outlet pipe 52 is communicated with one side of the pressure cylinder 41.
One end of the liquid inlet pipe 53 is placed in river water or sea water beside the ship body to take water on site and drain water, and one end of the water outlet pipe 11 is also placed in the river water or sea water beside the ship body, so that water resources are recycled, and the environment protection and energy saving effects are realized.
The resistance increasing assembly 7 comprises a resistance increasing plate 71, an L-shaped groove 72 is formed in the right side of the resistance increasing plate 71, a fixing rod 73 is fixedly connected to the top of the inner surface of the L-shaped groove 72, and limiting assemblies 74 are arranged at the upper end and the lower end of the fixing rod 73.
The limiting assembly 74 includes an installation groove 741, a moving block 743 is slidably connected between the top and the bottom of the inner surface of the installation groove 741, one side of the moving block 743 is fixedly connected to one side of the inner surface of the installation groove 741 through an elastic member 742, a clamping block 744 is fixedly connected to the other side of the moving block 743, the bottom of the left side of the clamping block 744 is an arc-shaped surface, and one side of the clamping block 744 penetrates through the fixing rod 73 and extends to the outside of the fixing rod 73.
Five resistance adding components 7 are equidistantly arranged on two sides of the hull 3 and are arranged close to the tail of the hull 3, the number and the size of the resistance adding components can be specifically set according to the size of the hull 3, the fixing rod 73 and the resistance adding plate 71 are integrally formed, the penetrating part of the fixture block 744 and the fixing rod 73 is in clearance fit, the mounting groove 741 is arranged inside the fixing rod 73, the fixing rod 73 is directly inserted into the limiting ring 9 on the hull 3 when the resistance adding plate 71 is mounted with the hull, in the inserting process, the arc-shaped surface at the bottom of the fixture block 744 is extruded by the limiting ring 9, the fixture block 744 is extruded to push the moving block 743 to extrude the elastic part 742, the fixture block 744 enters the mounting groove 741, the elastic part is in a compression state at the moment, the operation is simple, when the resistance adding plate 71 is unfolded, the resistance adding plate 71 drives the fixing rod 73 to rotate, the fixture block 744 is rotated, the pushing fixture block 744 is popped out to cooperate with the limiting groove 10 to limit the resistance increasing plate 71, so that the resistance increasing plate 71 is prevented from being recovered by the resistance of water when being drained.
A fixed shaft 75 is fixedly connected to the left side of the top of the resistance-increasing plate 71, a threaded rod 77 is fixedly connected to the top end of the fixed shaft 75, a nut 76 is connected to the surface of the threaded rod 77 in a threaded manner, the resistance-increasing plate 71 is an arc-shaped plate, and the convex side of the resistance-increasing plate 71 is in contact with the ship body 3.
Resistance-increasing plate 71 sets up to the arc, and after resistance-increasing plate 71 expanded, resistance-increasing plate 71's concave surface side and water direct contact have increased resistance-increasing plate and water area of contact, increase the resistance.
One side of the resistance-increasing plate 71 is fixedly connected with the steel wire rope 6 through a connecting assembly 13, the top of the slipway 1 is provided with a slide rail 2, and the bottom of the ship body 3 is slidably connected with the slide rail 2.
The connecting assembly 13 comprises two fixing plates, mounting holes are formed in the fixing plates, a hinged hole bolt penetrates through the mounting hole in one of the fixing plates, one end of a steel wire rope 6 is sleeved on the hinged hole bolt, one end of the hinged hole bolt penetrates through the other fixing plate and is fixed through a nut, the steel wire rope is fixed to the resistance increasing assembly 7 simply and conveniently, the connecting assembly 13 is fixed to one resistance increasing assembly 7 close to the bow of the ship body 3, and the resistance increasing plate 71 on the front side is pulled to drive the follow-up resistance increasing plates 71 to sequentially expand.
The front of spacing ring 9 has been seted up spacing groove 10, drive subassembly 8 is including driving pole 81, drive both ends of pole 81 and all be provided with sleeve pipe 82.
Two spacing rings 9 are a set of, a set of two are and set up from top to bottom, and on a vertical line, can be spacing to the upper and lower both ends of dead lever 73, the group number corresponds with the quantity that adds hinders subassembly 7, the width of spacing groove 10 and the width looks adaptation of fixture block 744, the sleeve pipe 82 that will drive the pole 81 both ends corresponds and inserts on the fixed axle 75 on two adjacent resistance increasing boards 71, then fix through nut 76, sleeve pipe 82 is clearance fit with fixed axle 75, make sleeve pipe 82 can rotate with fixed axle 75 relatively, thereby make resistance increasing board 71 can rotate relatively hull 3, when making the resistance increasing board 71 through wire rope 6 foremost side expand, thereby drive other resistance increasing boards 71 and expand.
An underwater resistance increasing method for a large ship comprises the following steps:
s1: starting the water pump 51 to inject water into the pressurizing cylinder 41, installing the resistance increasing plates 71 on both sides of the ship body 3 respectively, and enabling the convex side of the resistance increasing plates 71 to be in contact with the side surface of the ship body 3;
s2: when the water injection amount of the pressure cylinder exceeds eighty percent, closing the water pump 51, closing the second valve 54, stopping water injection, and fixedly connecting one end of the steel wire rope 6 with the connecting component 13 on the resistance increasing plate 71 positioned at the foremost side of the slipway 1;
s3: when the ship body is about to launch, the second valve 54 is opened, water in the pressure cylinder 71 flows out through the water discharge pipe 11 at the moment, when the ship body slides down into the water, when the ship head contacts with the water, the steel wire rope 6 is straightened, the steel wire rope 6 pulls the piston rod 42, the piston rod 42 pulls the piston block 43 to extrude the buffer solution, and as the pipe diameter of the water discharge pipe 11 is smaller than that of the pressure cylinder 41, a pressure difference is generated, and the pressure is far greater than the friction between the fixed rod 73 on the resistance increasing plate 71 and the limiting ring 9, the steel wire rope drives the resistance increasing plate 71 to unfold;
s4: increase the resistance board 71 and expand to ninety degrees, the in-process of expansion, inside fixture block 744 promoted the spacing groove 10 on the spacing ring 9 through the effect of elastic component 742, spacing to increasing the resistance board 71, prevent to increase the resistance board to retrieving, utilize the pressure differential of the buffer water in the pressure boost subassembly 4 to join in marriage and hull 3 income water after increase the resistance board 71 and the resistance that water produced, the restriction hull can not dash out the surface of water too far.
The working principle of the underwater resistance increasing device and method for the large ship provided by the invention is as follows:
the water pump 51 is started to inject water into the pressurizing cylinder 41, the resistance increasing plates 71 are respectively installed on two sides of the ship body 3, the convex side of each resistance increasing plate 71 is in contact with the side face of the ship body 3, when the resistance increasing plates are installed, the fixing rod 73 is directly inserted into the limiting ring 9 on the ship body 3, in the inserting process, the limiting ring 9 extrudes the arc-shaped face at the bottom of the fixture block 744, the fixture block 744 extrudes the moving block 743 to push the elastic member 742, the fixture block 744 enters the installation groove 741, and at the moment, the elastic member is in a compression state, and the operation is simple;
when the water injection amount of the pressure cylinder exceeds eighty percent, closing the water pump 51, closing the second valve 54, stopping water injection, and fixedly connecting one end of the steel wire rope 6 with the connecting component 13 on the resistance increasing plate 71 positioned at the foremost side of the slipway 1;
when the ship body is about to launch, the second valve 54 is opened, at this time, water in the pressurizing cylinder 71 flows out through the water discharge pipe 11, when the ship head contacts with water to be contacted, the steel wire rope 6 is straightened, the steel wire rope 6 pulls the piston rod 42, the piston rod 42 pulls the piston block 43 to extrude buffer solution, as the pipe diameter of the water discharge pipe 11 is smaller than that of the pressurizing cylinder 41, a pressure difference is generated, and the pressure is far greater than the friction between the fixing rod 73 on the resistance increasing plate 71 and the limiting ring 9, the steel wire rope drives the resistance increasing plate 71 positioned at the foremost side to unfold, the resistance increasing plate 71 at the foremost side drives other resistance increasing plates 71 to unfold in sequence through the driving rod 81, in the unfolding process, the resistance increasing plate 71 drives the fixing rod 73 to rotate, so that the fixture block 744 rotates to correspond to the limiting groove 10 on the limiting ring 9, the fixture block 744 is pushed to pop out to cooperate with the limiting groove 10 to limit the, the resistance recovery of water when the resistance increasing plate 71 is launched into water is prevented;
the resistance-increasing plate 71 is unfolded to ninety degrees, and the ship body is limited not to be flushed out of the water surface too far by utilizing the pressure difference of buffer water in the pressurizing assembly 4 and the resistance generated by the resistance-increasing plate 71 and the water after the ship body 3 enters the water;
when the resistance increasing assembly 7 is detached from the ship body 3, firstly the hand steel wire rope 6 and the resistance increasing plate 71 are detached, then the driving rod 81 is taken down in sequence, and then the resistance increasing plate 71 is directly taken down, so that the detachment is simple and convenient.
Compared with the related technology, the underwater resistance increasing device and method for the large ship provided by the invention have the following beneficial effects:
through the arrangement of the pressurizing assembly 4 matched with the resistance increasing assembly 7, when the pressurizing assembly 4 launches through the ship body 3, the piston block 43 is driven to push the pressure difference generated when the buffer liquid 44 is discharged, the resistance of the buffer liquid is increased, meanwhile, when the head of the ship body 3 just enters water, the steel wire rope 6 is straightened to drive the resistance increasing plate 71 to expand, the resistance is increased by increasing the contact area with the water after entering the water, firstly, the ship body 3 can smoothly enter the water, the resistance of the ship body 3 is increased through the matching of the resistance increasing assembly 4 and the resistance increasing assembly 7 after entering the water, the ship body is well limited not to rush out of the water surface too far, the operation of other ships on the water surface is not influenced by the ship body 3, the safety is improved, the tension of the anchor chain is greatly reduced when the ship body 3 launches, the service life of the anchor chain is prolonged, the ship body 3 launches more stably, the buffer liquid is river water or sea water beside the ship, and the buffer liquid is discharged, form water cyclic utilization, energy-concerving and environment-protective, and when increasing the expansion of resistance plate 71, the spacing groove 10 on fixture block 744 automatic cooperation spacing ring 9 carries on spacingly to increasing resistance plate 71, retrieves when preventing with the water contact, improves the stability of increasing resistance plate 71, and increases the installation dismantlement simple and conveniently between resistance plate 71 and the hull 3, can repetitious usage.
Second embodiment
Through the arrangement of the pressurizing assembly 4 matched with the resistance increasing assembly 7, when the pressurizing assembly 4 launches through the ship body 3, the piston block 43 is driven to push the pressure difference generated when the buffer liquid 44 is discharged, the resistance of the buffer liquid is increased, meanwhile, when the head of the ship body 3 just enters water, the steel wire rope 6 is straightened to drive the resistance increasing plate 71 to expand, the resistance is increased by increasing the contact area with the water after entering the water, firstly, the ship body 3 can smoothly enter the water, the resistance of the ship body 3 is increased through the matching of the resistance increasing assembly 4 and the resistance increasing assembly 7 after entering the water, the ship body is well limited not to rush out of the water surface too far, the operation of other ships on the water surface is not influenced by the ship body 3, the safety is improved, the tension of the anchor chain is greatly reduced when the ship body 3 launches, the service life of the anchor chain is prolonged, the ship body 3 launches more stably, the buffer liquid is river water or sea water beside the ship, and the buffer liquid is discharged, the water is recycled, the energy is saved, the environment is protected, when the resistance increasing plate 71 is unfolded, the fixture block 744 is automatically matched with the limiting groove 10 on the limiting ring 9 to limit the resistance increasing plate 71, the resistance increasing plate is prevented from being recovered when contacting with water, the stability of the resistance increasing plate 71 is improved, and the resistance increasing plate 71 and the ship body 3 are simple and convenient to mount and dismount and can be used for multiple times;
the observation window is arranged on one side of the surface of the pressure cylinder 41 close to the water supply assembly 5, so that the water demand in the pressure cylinder 41 can be observed conveniently, the observation window is made of toughened glass, scale marks are printed on the observation window, the volume of the pressure cylinder 41 is displayed, and the penetration position of the piston rod 42 and the pressure cylinder 41 is mechanically sealed;
the pipe diameter of the water drainage pipe 11 is smaller than that of the pressure cylinder 41, when the ship body 3 is launched, the piston rod 42 is driven by the steel wire rope 6, and the piston rod 42 pulls the piston block 43 to push the buffer liquid 44 to be discharged, so that the resistance of the ship body is increased;
one end of the liquid inlet pipe 53 is placed in river water or seawater beside the ship body to take water on site and drain water, and one end of the water outlet pipe 11 is also placed in the river water or seawater beside the ship body to form the cyclic utilization of water resources, so that the environment is protected and energy is saved;
five resistance adding components 7 are equidistantly arranged on two sides of the hull 3 and are arranged close to the tail of the hull 3, the number and the size of the resistance adding components can be specifically set according to the size of the hull 3, the fixing rod 73 and the resistance adding plate 71 are integrally formed, the penetrating part of the fixture block 744 and the fixing rod 73 is in clearance fit, the mounting groove 741 is arranged inside the fixing rod 73, the fixing rod 73 is directly inserted into the limiting ring 9 on the hull 3 when the resistance adding plate 71 is mounted with the hull, in the inserting process, the arc-shaped surface at the bottom of the fixture block 744 is extruded by the limiting ring 9, the fixture block 744 is extruded to push the moving block 743 to extrude the elastic part 742, the fixture block 744 enters the mounting groove 741, the elastic part is in a compression state at the moment, the operation is simple, when the resistance adding plate 71 is unfolded, the resistance adding plate 71 drives the fixing rod 73 to rotate, the fixture block 744 is rotated, the clamping block 744 is pushed to pop out, and the resistance increasing plate 71 is limited by matching with the limiting groove 10, so that the resistance increasing plate 71 is prevented from being recovered by the resistance of water when water is drained;
the resistance increasing plate 71 is an arc-shaped plate, and after the resistance increasing plate 71 is unfolded, the concave side of the resistance increasing plate 71 is directly contacted with water, so that the contact area of the resistance increasing plate and the water is increased, and the resistance is increased;
the connecting assembly 13 comprises two fixing plates, mounting holes are formed in the fixing plates, a hinged hole bolt penetrates through the mounting hole in one of the fixing plates, one end of a steel wire rope 6 is sleeved on the hinged hole bolt, one end of the hinged hole bolt penetrates through the other fixing plate and is fixed through a nut, and the connecting assembly 13 is fixed on a resistance-increasing assembly 7 close to the bow of the ship body 3;
two of spacing ring 9 are a set of, a set of two are and set up from top to bottom, and on a vertical line, can be spacing to the upper and lower both ends of dead lever 73, the group number corresponds with the quantity that adds hinders subassembly 7, the width of spacing groove 10 and the width looks adaptation of fixture block 744, the sleeve pipe 82 that will drive pole 81 both ends corresponds and inserts on the fixed axle 75 on two adjacent resistance increasing boards 71, then fix through nut 76, sleeve pipe 82 is clearance fit with fixed axle 75, when making the resistance increasing board 71 through wire rope 6 foremost expand, thereby drive other resistance increasing boards 71 and expand.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. The utility model provides a type boats and ships increase resistance device under water which characterized in that includes:
a slipway (1);
a hull (3), the hull (3) being arranged on the slipway (1);
the two pressurizing assemblies (4) are fixed on the front surface of the slipway (1) and positioned on the left side and the right side of the ship body (3), and one side of each pressurizing assembly (4) is communicated with a drain pipe (11);
the ship comprises a plurality of resistance adding components (7), wherein the resistance adding components (7) are respectively and rotatably connected to the left side and the right side of a ship body (3) through a plurality of limiting rings (9), adjacent resistance adding components (7) are in transmission connection through a driving component (8), and the resistance adding components (7) are fixedly connected with a pressurizing component (4) through a steel wire rope (6);
the water supply assembly (5), water supply assembly (5) set up in on berth (1).
2. The underwater resistance-increasing device for the large-scale ship according to claim 1, wherein the pressurizing assembly (4) comprises a pressurizing cylinder (41), a piston block (43) is arranged inside the pressurizing cylinder (41), a piston rod (42) is fixedly connected to one side of the piston block (43), one end of the piston rod (42) penetrates through the pressurizing cylinder (41) and extends to the outside of the pressurizing cylinder (41), a fixing hole is formed in the piston rod (42) and located outside the pressurizing cylinder (41), and one end of the steel wire rope (6) is fixedly connected with the piston rod (42) through the fixing hole.
3. The underwater resistance-increasing device of the large-scale ship according to claim 2, wherein a buffer (44) is arranged inside the pressure cylinder (41), a drain pipe (11) is communicated with one side of the pressure cylinder (41), and a first valve (12) is arranged on the drain pipe (11).
4. The underwater resistance-increasing device of the large-scale ship according to claim 1, wherein the water supply assembly (5) comprises a water pump (51), an output end of the water pump (51) is communicated with a liquid outlet pipe (52), an input end of the water pump (51) is communicated with a liquid inlet pipe (53), a second valve is arranged on the liquid outlet pipe (52), and the liquid outlet pipe (52) is communicated with one side of the pressure cylinder (41).
5. The underwater resistance-increasing device of a large-sized ship according to claim 1, wherein the resistance-increasing assembly 7 comprises a resistance-increasing plate (71), an L-shaped groove (72) is formed in the right side of the resistance-increasing plate (71), a fixing rod (73) is fixedly connected to the top of the inner surface of the L-shaped groove (72), and limiting assemblies (74) are arranged at the upper end and the lower end of the fixing rod (73).
6. The underwater resistance-increasing device for the large-scale ship according to claim 5, wherein the limiting component (74) comprises a mounting groove (741), a moving block (743) is slidably connected between the top and the bottom of the inner surface of the mounting groove (741), one side of the moving block (743) is fixedly connected with one side of the inner surface of the mounting groove (741) through an elastic member (742), a fixture block (744) is fixedly connected with the other side of the moving block (743), the bottom of the left side of the fixture block (744) is set to be an arc-shaped surface, and one side of the fixture block (744) penetrates through the fixing rod (73) and extends to the outside of the fixing rod (73).
7. The underwater resistance-increasing device of the large-scale ship according to claim 6, wherein a fixed shaft (75) is fixedly connected to the left side of the top of the resistance-increasing plate (71), a threaded rod (77) is fixedly connected to the top end of the fixed shaft (75), a nut (76) is in threaded connection with the surface of the threaded rod (77), the resistance-increasing plate (71) is an arc-shaped plate, and the convex side of the resistance-increasing plate (71) is in contact with the ship body (3).
8. The underwater resistance-increasing device of the large-scale ship according to claim 1, wherein one side of the resistance-increasing plate (71) is fixedly connected with the steel wire rope (6) through a connecting assembly (13), the top of the slipway 1 is provided with a sliding rail (2), and the bottom of the ship body (3) is slidably connected with the sliding rail (2).
9. The underwater resistance-increasing device for the large ship according to claim 1, wherein a limiting groove (10) is formed in the front face of the limiting ring (9), the driving assembly (8) comprises a driving rod (81), and sleeves (82) are arranged at two ends of the driving rod (81).
10. An underwater resistance-increasing method for a large ship is characterized by comprising the following steps:
s1: starting a water pump (51) to inject water into the pressurizing cylinder (41), installing a plurality of resistance increasing plates (71) on two sides of the ship body (3) respectively, and enabling the convex side of each resistance increasing plate (71) to be in contact with the side surface of the ship body (3);
s2: when the water injection amount of the pressure cylinder exceeds eighty percent, closing the water pump (51), closing the second valve (54), stopping water injection, and fixedly connecting one end of the steel wire rope (6) with the connecting component (13) on the resistance increasing plate (71) positioned at the foremost side of the slipway (1);
s3: when the ship body is about to launch, the second valve (54) is opened, water in the pressure cylinder (71) flows out through the water discharge pipe (11), when the ship body slides down into the water, when the ship head contacts with the water, the steel wire rope (6) is straightened, the steel wire rope (6) pulls the piston rod (42), the piston rod (42) pulls the piston block (43) to extrude buffer solution, and as the pipe diameter of the water discharge pipe (11) is smaller than that of the pressure cylinder (41), a pressure difference is generated, and the pressure is far greater than the friction between a fixing rod (73) on the resistance increasing plate (71) and the limiting ring (9), the steel wire rope drives the resistance increasing plate (71) to unfold;
s4: resistance-increasing plate (71) expand to ninety degrees, and in the process of expanding, inside fixture block (744) promoted spacing groove (10) on spacing ring (9) through the effect of elastic component (742), spacing resistance-increasing plate (71) carried out, prevented resistance-increasing plate to retrieving, utilized the pressure differential distribution of the buffering water in pressure boost subassembly (4) and hull (3) to go into the resistance that resistance-increasing plate (71) and water produced behind the water, restriction hull can not dash out the surface of water too far.
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| CN201910931044.9A CN110615078B (en) | 2019-09-29 | 2019-09-29 | Underwater resistance increasing device and method for large ship |
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| CN201910931044.9A CN110615078B (en) | 2019-09-29 | 2019-09-29 | Underwater resistance increasing device and method for large ship |
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| CN110615078B CN110615078B (en) | 2021-06-08 |
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Cited By (1)
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| CN116729593A (en) * | 2023-08-11 | 2023-09-12 | 山东星奥液压机械有限公司 | Automatic auxiliary equipment for ship transverse launching |
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| CN110615078B (en) | 2021-06-08 |
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