CN104890811B - Installation method of ship bow telescopic paddle based on omega sealing principle - Google Patents
Installation method of ship bow telescopic paddle based on omega sealing principle Download PDFInfo
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- CN104890811B CN104890811B CN201510382117.5A CN201510382117A CN104890811B CN 104890811 B CN104890811 B CN 104890811B CN 201510382117 A CN201510382117 A CN 201510382117A CN 104890811 B CN104890811 B CN 104890811B
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Abstract
The invention relates to an installation method of a ship bow telescopic paddle based on an omega sealing principle. The installation is carried out at the finally-assembling period of fragments, so that the adverse impact on the installation precision of the telescopic paddle caused by the deformation of a ship body after the combination of the fragments at the fragment pre-installation period can be avoided, the installation precision of the telescopic paddle can be guaranteed, and the period for constructing a shipway can be shortened. In addition, the telescopic test of the entire stroke of the telescopic paddle can be completed before a ship enters the water, so that the problem that the ship needs to be returned to the shipway because the telescopic paddle cannot be normally folded and unfolded due to the installation precision or problems of the device can be avoided.
Description
Technical field
The present invention relates to a kind of flexible propulsion oar field of ship bow, more particularly to a kind of ship based on Ω sealing mechanisms
The installation method of the flexible oar of oceangoing ship bow.
Background technology
As the principal dimensions of ocean engineering ship is increasing, manipulation Capability Requirement more and more higher and common demands have
DP2, DP3 dynamic positioning ability, ship bow is equipped with merely sideways-acting propeller and is increasingly unsatisfactory for requiring, and then increasingly requires
Being equipped with can be with the extension type of freedom retractable propulsion oar (hereinafter referred stretch oar).
In general, it is by O-ring seals or rectangle to stretch between the mounting flange and the mounting surface of ship top base of oar
Sealing ring is ensureing watertight.O-ring seals or rectangular seal are the rubber rings that a kind of section is circular or rectangle, mainly
Produce certain compress variation to seal by O-ring seal or rectangular seal.Mounting O-shaped sealing ring or rectangle are close
Seal needs to be processed on the mounting surface of pedestal aboard ship is used for together the draw-in groove for placing O-ring seal or rectangular seal, and
All than larger (about 3~4 meters or so of diameter), processing draw-in groove needs strict control machining accuracy to the base diameter of generally flexible oar,
Due to narrow space on ship, difficulty of construction is high, and after installing, because the decrement of sealing ring can not be completely secured and sealing ring
Decrement it is uneven, therefore sealing effectiveness is poor, easy leak.
O-ring seal or rectangular seal are replaced using Ω sealing rings, using the bimodal compression of Ω sealing rings, its change
Shape amount is easily guaranteed that, and because the bimodal deformation for having Ω sealing rings ensures, is sealed into dual fail-safe, sealed reliable.And eliminate general
The processing of logical sealing ring draw-in groove, it is only necessary to carry out flatness processing to placing the construction pedestals plane at Ω sealing rings, its difficult processing
Degree is less than draw-in groove processing, but because the construction pedestals are three-back-shaped in major diameter, its flatness processing is still suffered from certain tired
It is difficult.
Flexible oar is installed and generally includes two schemes, one is that flexible oar is just installed after ship main hull molding, so
The installation accuracy of flexible oar is can ensure that, but shipbuilding berth period can be caused longer.Two is to be selected in segmentation prepackage stage peace
The flexible oar of dress, can so reduce building berth installation period, but due to after segment folding the deformation of hull to oar installation accuracy of stretching
Reaction effect, easily causes installation accuracy reduction, causes flexible oar after ship launching normally to transfer to operating position, so as to
Cause to do over again.
The content of the invention
Construction berth period, is longer, easily cause peace present in mount scheme of the present invention for the oar that stretches in prior art
Dress precision such as reduces at the technical problem, there is provided a kind of installation method of the flexible oar of ship bow based on Ω sealing mechanisms, its
Block assembly (complete cross section) stage is installed to solve above-mentioned technical problem.
A kind of installation method of the flexible oar of ship bow based on Ω sealing mechanisms proposed by the present invention, including following step
Suddenly：
Step 1), the general section of shipbody for needing to install flexible oar is fixed, and adjust levelness；
Step 2), using the structure of the mounting flange for being used for fixed flexible oar on movable type milling machine frock milling general section of shipbody
Base plane, and a method is taken with laser detected to guarantee the flatness of construction pedestals；
Step 3), screwed hole has been opened up in the middle part of Ω sealing rings and on the correspondence position of construction pedestals, and stud is installed, with
Ω sealing rings are fixed on construction pedestals；
Step 4), the flexible oar of lifting its mounting flange is pressed on Ω sealing rings；And on mounting flange and construction pedestals
Bolt is installed, is controlled the spacing between the mounting flange and construction pedestals using the deadweight and bolt of flexible oar
Within a predetermined range；
Step 5), the scalable unit of flexible oar of slinging, the guide rod direction along flexible oar is hung to from its stroke extreme lower position
Stroke extreme higher position, it is ensured that the gap between the pilot hole of guide rod and scalable unit meets preset range；It is repeated several times
And gap all meet the requirements after guide rod upper end is fixed on leader fixed；
Step 6), flexible oar mounting flange bolt hole and construction pedestals on fastening spiral shell is installed on corresponding bolt hole
Bolt assembly, makes mounting flange keep being relatively fixed with construction pedestals, and in fastening bolt component periphery casting epoxy resin
Cushion block；The fastening bolt component is tightened after the solidification of epoxy resin cushion block, the bolt is removed, and is installed for locking
The safety hook of flexible oar；
Step 7), cushion block is installed at the thrust beam two ends of flexible oar, by the oar that stretches described in folding and unfolding, carry out tack welding water receiving
Lower guideway；And keep the gap between the cushion block and underwater guide rail at the thrust beam two ends to be maintained within a predetermined range；
Step 8), before ship launching, tunnel is dug on building berth ground, the spacing in the tunnel to hull bottom is more than flexible oar
Stroke, and flexible oar is transferred to operating position, the flexible test of the whole stroke of flexible oar is completed on the tunnel.
In present invention further optimization scheme, the step 2) in before milling structure base plane in structure base
Be welded the milling machine frock on seat, and milling removes the milling machine frock after finishing.
In present invention further optimization scheme, the step 3) in install before stud and first locking bar to be placed on into Ω
On sealing ring, and auger shell post installation screwed hole is attacked on Ω sealing rings and construction pedestals.
In present invention further optimization scheme, in the step 3) in Ω sealing rings are fixed with construction pedestals and locked
After tight, a small amount of lubricant grease of uniform application on the Ω sealing rings.
In present invention further optimization scheme, the step 6) in before casting epoxy resin cushion block, in Ω sealings
Circle periphery is placed one and encloses rubber back-up ring, and band iron is enclosed in the spray containment glue on the outside of rubber back-up ring, the weldering one on construction pedestals, described tight
Fixing bolt component is located between the rubber back-up ring and band iron；The epoxy resin cushion block is cast in outside the fastening bolt component
Enclose, between the rubber back-up ring and band iron.
In present invention further optimization scheme, the step 2) in a method taken with laser detected to guarantee structure
Base plane degree meets：Flatness≤the 1mm, flatness≤4mm at other positions at Ω sealing rings is placed on construction pedestals.
In present invention further optimization scheme, the step 4) described between mounting flange and construction pedestals between
32 ± 2mm is specially away from preset range.
In present invention further optimization scheme, the step 5) in guide rod and scalable unit pilot hole between
Gap preset range is specifically less than 1mm；The guide rod upper end is fixed on leader fixed especially by high-strength bolt component.
In present invention further optimization scheme, the step 7) in stretch oar when being in operating position, flexible oar is pushed away
Gap preset range between power beam two ends cushion block and underwater guide rail is 0.8~1mm；When flexible oar is in other positions, stretch
Gap preset range between oar thrust beam two ends cushion block and underwater guide rail is 3~4mm.
Beneficial effect：The installation method of the flexible oar of the ship bow based on Ω sealing mechanisms proposed by the present invention, it is dividing
Section total group (complete cross section) stage is installed, do not exist the segmentation prepackage stage like that due to after segment folding the deformation of hull to the oar that stretches
The reaction effect for bringing of installation accuracy, ensures that the installation accuracy of flexible oar, and shortens the cycle for building building berth.
Additionally, the present invention just completes the flexible test of the whole stroke of flexible oar before ship launching, it is to avoid because of installation accuracy or set
The reasons such as standby self problem cause to be stretched after ship launching oar cannot normally folding and unfolding (particularly cannot transfer to operating position) and
Caused ship needs again the problem of upper row.
Description of the drawings
Fig. 1 is a kind of installation method stream of the flexible oar of ship bow based on Ω sealing mechanisms that the embodiment of the present invention is proposed
Journey schematic diagram.
Fig. 2 is the mounting structure schematic front view of general section of shipbody and flexible oar in the embodiment of the present invention.
Fig. 3 is the pedestal overlooking the structure diagram of the movable type milling machine frock that Fig. 1 steps S200 are related to.
Fig. 4 is the enlarged drawing in Fig. 2 at A.
Fig. 5 is that the utilization laser that Fig. 1 steps S200 are related to takes a method and takes a little to what the flatness of construction pedestals was detected
Schematic diagram.
Fig. 6 is the schematic diagram by the flexible oar positioning welding underwater guide rail of folding and unfolding that Fig. 1 steps S700 are related to.
Fig. 7 is the schematic diagram that the flexible oar that Fig. 1 steps S800 are related to carries out flexible test.
In Fig. 2 to Fig. 7：The complete cross section of 10- hulls, 11- construction pedestals, 12- is leader fixed, and 20- stretches oar, and 21- can stretch
Contracting unit, 22- mounting flanges, 23- guide rods, 24- thrust beams, 30- Ω sealing rings, 31- rustless steels locking bar, 32- rustless steels are double
Header stud, 33- rubber back-up rings, 34- band irons, 35- fastening bolt components, 36- epoxy resin cushion blocks, 37- safety hooks, 41- length
Channel-section steel, 42- short channel-section steels, 51- underwater guide rails, 52- structures enclose well, 60- ships, 70- berth bogies, 71- tracks, 80- building berths ground
Face, 81- tunnels.
Specific embodiment
For the ease of it will be appreciated by those skilled in the art that carrying out further to the present invention below in conjunction with accompanying drawing and embodiment
Description.
Fig. 1 is a kind of installation method stream of the flexible oar of ship bow based on Ω sealing mechanisms that the embodiment of the present invention is proposed
Journey schematic diagram；Fig. 2 is the mounting structure schematic front view of general section of shipbody and flexible oar in the embodiment of the present invention；Fig. 3 is Fig. 1 steps
The pedestal overlooking the structure diagram of the movable type milling machine frock that S200 is related to (is bowed at the visual angle of Fig. 3 equivalent to Fig. 2 right side perspectives
Depending on)；Fig. 4 is the enlarged drawing in Fig. 2 at A；Fig. 5 is that the utilization laser that Fig. 1 steps S200 are related to takes a method construction pedestals are put down
What face degree was detected takes a schematic diagram (visual angle of Fig. 5 is consistent with Fig. 3)；Fig. 6 is being stretched by folding and unfolding of being related to of Fig. 1 steps S700
The schematic diagram (visual angle of Fig. 6 is consistent with Fig. 3, Fig. 5) of contracting oar positioning welding underwater guide rail；Fig. 7 is stretching of being related to of Fig. 1 steps S800
Contracting oar carries out the schematic diagram (right side perspective of the visual angle of Fig. 7 equivalent to Fig. 1) of flexible test.
Refer to Fig. 1 to Fig. 7, a kind of installation of the flexible oar of ship bow based on Ω sealing mechanisms that the present embodiment is proposed
Method, comprises the following steps：
S100, the general section of shipbody of oar that needs installation is stretched are fixed, and adjust levelness.
In being embodied as of step S100, Fig. 2 is referred to, total group of the general section of shipbody 10 that will install flexible oar is completed,
Cause complete cross section 10 apart from 2.4 meters or so of ground with special door frame frame is high, more than the complete stroke of flexible oar 20, and mix up water
Pingdu.
S200, using the structure base of the mounting flange for being used for fixed flexible oar on movable type milling machine frock milling general section of shipbody
Seat plane, and a method is taken with laser detected to guarantee the flatness of construction pedestals.
In being embodied as of step S200, first can be welded on construction pedestals before milling structure base plane described
Milling machine frock, milling finish after by the milling machine frock remove, so then can effectively solving construction pedestals in major diameter it is three-back-shaped
And the problem of caused flatness processing difficulties.
Fig. 3 is specifically see, (two long to can select the long channel-section steel 41 (2 long 5000mm) and short channel-section steel 42 that specification is 40a
2280mm) it is welded movable type milling machine tool pedestal in construction pedestals 11.Wherein, long channel-section steel 41 is along left and right ship side direction (i.e. in Fig. 3
Above-below direction), two-sided sequential welding, leg be not less than 10mm.Then milling machine guide rail is placed on long channel-section steel 41, milling machine guide rail
Centrage is aligned with the centrage of construction pedestals 11.Adjustment bolt in adjustment milling machine frock is finely adjusted to milling machine position.
Before Milling Process, the flatness of milling machine guide rail is measured using laser device so as to flatness≤0.01mm.By milling
Knife electric machine frequency is controlled between 28~32Hz (about 400 revs/min of rotating speed), and cutting output is not more than 3mm, feed speed during roughing
No more than 30mm/ point；Cutting output is not more than 1mm during polish, and feed speed is not more than 15mm/ point.
In Milling Process, plane of the construction pedestals 11 in stem direction is first processed, and records milling machine tool arm upper-lower position,
It is determined that allowance of the construction pedestals 11 next to be processed in the plane in ship stern direction, need to ensure that the both sides of construction pedestals 11 are put down
Face is at grade.After both sides plane machining is complete, to any one side parallel shift long channel-section steel 41, second positioning is carried out, will
Dial gauge is fixed at cutter head, and the other end touch the machined complete plane of construction pedestals 11, and milling machine is along port and starboard direction in structure
Move in the range of panel width 330mm of pedestal 11, observation dial gauge variable quantity should be not more than 0.01mm.After the completion of second positioning,
The plane blocked by long channel-section steel 41 when positioning for the first time on processing construction pedestals 11, it is ensured that all machined surfaces are at grade.
After the plane machining of construction pedestals 11 is complete, 80 measurement points are taken in the plane of construction pedestals 11 as shown in Figure 5, totally two
Circle, often circle have 40 points, the spacing between each point is identical, and the measurement point between two circles should interlock selection, this 80 points coverings
Region should be greater than that the region of Ω sealing rings 30 to be installed.Then the flatness at each point is measured, data are recorded and compare, is tied
Flatness≤the 1mm of each point at Ω sealing rings 30 is placed on structure pedestal 11；The other positions of construction pedestals 11 are also according to said method
Measurement, flatness≤4mm.After the flatness detection of construction pedestals 11 is qualified, can be close to install Ω on construction pedestals 11
The plane of seal 30 carries out paint process.
S300, screwed hole is opened up in the middle part of Ω sealing rings and on the correspondence position of construction pedestals, and stud has been installed, will
Ω sealing rings are fixed on construction pedestals.
In being embodied as of step S300, install first locking bar can be placed on Ω sealing rings before stud, and
Auger shell post is attacked on Ω sealing rings and construction pedestals screwed hole is installed.Specifically as shown in figure 4, bar 31 can be locked using rustless steel, will
Rustless steel locking bar 31 is placed on Ω sealing rings 30, and the hole locked on bar 31 with rustless steel is to bore according on Ω sealing rings 30
The hole of Φ 9mm, then removes rustless steel locking bar 31, then hole is expanded to Φ 12mm, and dividing bush is put in this some holes, and
Mark on construction pedestals 11.Then Ω sealing rings 30 are removed, M8 is processed not on the panel of construction pedestals 11 with these marks
The screwed hole of rust steel studs 32, deep 12mm and tapping.Ω sealing rings 30 are reapposed after cleaning, rustless steel locking is loaded on
Bar 31, then installs rustless steel studs 32.After the completion of can be uniformly coated with a small amount of lubricating oil in the upper surface of Ω sealing rings 30
Fat.
S400, the flexible oar of lifting make its mounting flange be pressed on Ω sealing rings；And pacify on mounting flange and construction pedestals
Dress bolt, is existed the spacing control between the mounting flange and construction pedestals using the deadweight and bolt of flexible oar
In preset range.
In being embodied as of step S400, flexible oar 20 can be connected to crane, the part for removing transport applications simultaneously hangs
Rise to upright position, control crane slowly falls flexible oar 20 on Ω sealing rings 30；In mounting flange 22 and construction pedestals 11
Bolt hole on 36 bolt (not shown) are installed, using the weight and above-mentioned bolt of flexible oar 20 itself, control
Spacing between the mounting flange 22 and construction pedestals 11 of flexible oar 20 is in the range of 32 ± 2mm.
The scalable unit of S500, flexible oar of slinging, the guide rod direction along flexible oar is hung to row from its stroke extreme lower position
Journey extreme higher position, it is ensured that the gap between the pilot hole of guide rod and scalable unit meets preset range；Be repeated several times and
Gap is fixed on guide rod upper end on leader fixed after all meeting the requirements.
In being embodied as of step S500, the scalable unit 21 of the flexible oar 20 that can be sling with hoist crane will be flexible
The scalable unit 21 of oar 20 is sling upwards after about 30mm from its stroke extreme lower position, is supported with wedge, the flexible oar 20 of detection
Mounting flange 22 above the lower end of guide rod 23 adjusts the height of cushion block, two pieces of cushion blocks highly should be unanimously；Now measure guide rod 23 with
The gap between pilot hole on scalable unit 21, gap should be less than 1mm；Wedge is removed, continuation is sling with hoist crane
The peak of scalable unit 21 to its stroke, should ensure that in the pilot hole on guide rod 23 and scalable unit 21 during lifting
Wall, if any jam, should immediately stop lifting without jam, and adjust 36 bolts on construction pedestals 11 in time；Can stretch
Contracting unit 21 is sling to stroke peak, the gap between pilot hole on repetition measurement guide rod 23 and scalable unit 21, gap
Should be less than 1mm；It is repeated several times and after gap all meets the requirements, the upper end of guide rod 23 is fixed on into guide rod with high-strength bolt component
In fixed seat 12.
S600, flexible oar mounting flange bolt hole and construction pedestals on fastening bolt is installed on corresponding bolt hole
Component, makes mounting flange keep being relatively fixed with construction pedestals, and in fastening bolt component periphery casting epoxy resin pad
Block；The fastening bolt component is tightened after the solidification of epoxy resin cushion block, remove the bolt, and install and stretched for locking
The safety hook of contracting oar.
In being embodied as of step S600, as shown in figure 4, can first with the thorough upper table of cleaning structure pedestal 11 of compressed air
Face, then places one and encloses rubber back-up ring 33 in the periphery of Ω sealing rings 30, and band iron 34 is enclosed in weldering one on construction pedestals 11, installs institute
There is the fastening bolt component 35 of 86 M24, releasing agent is sprayed on fastening bolt component 35, the outside spraying of rubber back-up ring 33 is close
After sealing, the fastening bolt component 35 it is peripheral, between the rubber back-up ring 33 and band iron 34 start casting epoxy resin pad
Block 36；The final height of epoxy resin cushion block 36 should meet 32 ± 2mm；After epoxy resin cushion block 36 is cooled and solidified completely, will
Fastening bolt component 35 is tightened, and screw-down torque is 336Nm；The safety that as shown in Figure 2 position is installed for locking flexible oar 20 is hung
Hook 37.
S700, cushion block is installed at the thrust beam two ends of flexible oar, by the oar that stretches described in folding and unfolding, carries out positioning welding under water
Guide rail；And keep the gap between the cushion block and underwater guide rail at the thrust beam two ends to be maintained within a predetermined range.
In being embodied as of step S700, Fig. 6 is referred to, can be lowered into flexible oar 20 by starting hydraulic power unit
Operating position, is spot welded to the lower position of underwater guide rail 51 structure and encloses well 52；Flexible oar 20 is packed up, by the upper bit of underwater guide rail 51
Put and be spot welded to structure and enclose well 52；4 pieces of copper cushion blocks are screwed to the two ends of thrust beam 24；Above polishing underwater guide rail 51
Rustless steel sliver, until the gap between rustless steel sliver and the copper cushion block of thrust beam 24 reaches 0.8mm；Start hydraulic power unit, open
Dynamic flexible oar 20, in whole stroke detection thrust beam 24 and the gap of underwater guide rail 51 of stretching of flexible oar 20；Flexible oar 20 is in
During operating position (when putting down completely) at each copper cushion block, the gap between thrust beam 24 and underwater guide rail 51 is 0.8~1mm,
Gap when flexible oar 20 is in other positions is 3~4mm；Submission is applied for checking and examination, and is applied for checking and examination by rear, is again lowered into flexible oar 20
Operating position, by the full weld of underwater guide rail 51 to structure well 52 is enclosed, and by rustless steel sliver and guide rail full weld, is noted in welding process
Control welding deformation；If welding post gap exceeds claimed range, the rustless steel sliver polished again on underwater guide rail 51 is needed
Until meeting above-mentioned clearance requirement again.After the completion of submit to and apply for checking and examination.
Before S800, ship launching, tunnel is dug on building berth ground, the spacing in the tunnel to hull bottom is more than flexible oar
Stroke, and flexible oar is transferred to operating position, the flexible test of the whole stroke of flexible oar is completed on the tunnel.
In being embodied as of step S800, before ship launching, the gravity oil tank of flexible oar 20 will be installed in place, all of
Hydraulic pressure, lubricating oil pipe system should be installed completely, and Jing strict string oil processing, lubricating oil will be filled inside flexible oar 20, and fill cup hydraulic is not
0.5bar must be more than, axle tightness is detected, and submission is applied for checking and examination；Prepare 440V, 60HZ, 20KW power line；As shown in fig. 7, in ship
Tunnel 81 is dug on tread 80, flexible test is carried out, tunnel 81 to the bottom level of ship 60 should be greater than the stroke of flexible oar 20
And reserved 600mm nargin, so that flexible oar 20 can be lowered into operating position, complete the flexible test of whole stroke.
The installation method of the flexible oar of the ship bow based on Ω sealing mechanisms that the present embodiment is proposed, it is in block assembly
(complete cross section) stage is installed, do not exist the segmentation prepackage stage like that due to after segment folding the deformation of hull essence is installed to flexible oar
The reaction effect for bringing of degree, ensures that the installation accuracy of flexible oar, and shortens the cycle for building building berth.Additionally,
The present embodiment just completes the flexible test of the whole stroke of flexible oar before ship launching, it is to avoid because installation accuracy or equipment from
The reasons such as body problem cause after ship launching stretch oar cannot normally folding and unfolding (particularly cannot transfer to operating position) and cause
Ship need again the problem of upper row.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more concrete and detailed, but and
Therefore the restriction to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, some deformations and improvement can also be made, these belong to the guarantor of the present invention
Shield scope.Therefore, the protection domain of patent of the present invention should be defined by claims.
Claims (8)
1. the installation method of the flexible oar of a kind of ship bow based on Ω sealing mechanisms, it is characterised in that comprise the following steps：
Step 1), the general section of shipbody for needing to install flexible oar is fixed, and adjust levelness；
Step 2), using the construction pedestals of the mounting flange for being used for fixed flexible oar on movable type milling machine frock milling general section of shipbody
Plane, and a method is taken with laser detected to guarantee the flatness of construction pedestals；
Step 3), screwed hole has been opened up in the middle part of Ω sealing rings and on the correspondence position of construction pedestals, and stud is installed, by Ω
Sealing ring is fixed on construction pedestals；
Step 4), the flexible oar of lifting its mounting flange is pressed on Ω sealing rings；And install on mounting flange and construction pedestals
Bolt, is controlled the spacing between the mounting flange and construction pedestals pre- using the deadweight and bolt of flexible oar
Determine in scope；
Step 5), the scalable unit of flexible oar of slinging, the guide rod direction along flexible oar is hung to stroke from its stroke extreme lower position
Extreme higher position, it is ensured that the gap between the pilot hole of guide rod and scalable unit meets preset range；Be repeated several times and
Gap is fixed on guide rod upper end on leader fixed after all meeting the requirements；
Step 6), flexible oar mounting flange bolt hole and construction pedestals on fastening bolt group is installed on corresponding bolt hole
Part, makes mounting flange keep being relatively fixed with construction pedestals, and in fastening bolt component periphery casting epoxy resin cushion block；
The fastening bolt component is tightened after the solidification of epoxy resin cushion block, the bolt is removed, and installs flexible for locking
The safety hook of oar；
Before casting epoxy resin cushion block, place one in Ω sealing rings periphery and enclose rubber back-up ring, spray on the outside of rubber back-up ring close
Band iron is enclosed in sealing, the weldering one on construction pedestals, and the fastening bolt component is located between the rubber back-up ring and band iron；The ring
Oxygen tree fat pad block be cast in the fastening bolt component it is peripheral, between the rubber back-up ring and band iron；
Step 7), cushion block is installed at the thrust beam two ends of flexible oar, by the oar that stretches described in folding and unfolding, carry out positioning welding and lead under water
Rail；And keep the gap between the cushion block and underwater guide rail at the thrust beam two ends to be maintained within a predetermined range；
Step 8), before ship launching, dig tunnel on building berth ground, the row of the spacing in the tunnel to hull bottom more than flexible oar
Journey, and the scalable unit of flexible oar is transferred to operating position, the flexible of the whole stroke of flexible oar is completed on the tunnel
Test.
2. the installation method of the flexible oar of the ship bow based on Ω sealing mechanisms according to claim 1, it is characterised in that
The step 2) in be welded on construction pedestals before milling structure base plane the milling machine frock, milling finish after by institute
State the dismounting of milling machine frock.
3. the installation method of the flexible oar of the ship bow based on Ω sealing mechanisms according to claim 2, it is characterised in that
The step 3) in install before stud first locking bar be placed on Ω sealing rings, and attack on Ω sealing rings and construction pedestals
Auger shell post installs screwed hole.
4. the installation method of the flexible oar of the ship bow based on Ω sealing mechanisms according to claim 3, it is characterised in that
In the step 3) in Ω sealing rings and construction pedestals are fixed and locked after, uniform application moistens on a small quantity on the Ω sealing rings
Lubricating oil fat.
5. the installation method of the flexible oar of the ship bow based on Ω sealing mechanisms according to any one of Claims 1-4, its
Be characterised by, the step 2) in taken with laser a method detected with guarantee construction pedestals flatness meet：On construction pedestals
Place the flatness≤1mm, flatness≤4mm at other positions at Ω sealing rings.
6. the installation method of the flexible oar of the ship bow based on Ω sealing mechanisms according to claim 5, it is characterised in that
The step 4) described in spacing preset range between mounting flange and construction pedestals be specially 32 ± 2mm.
7. the installation method of the flexible oar of the ship bow based on Ω sealing mechanisms according to claim 6, it is characterised in that
The step 5) in guide rod and scalable unit pilot hole between gap preset range be specifically less than 1mm；The guide rod
Upper end is fixed on leader fixed especially by high-strength bolt component.
8. the installation method of the flexible oar of the ship bow based on Ω sealing mechanisms according to claim 7, it is characterised in that
The step 7) in stretch oar when being in operating position, the gap between oar thrust beam two ends cushion block and underwater guide rail of stretching makes a reservation for
Scope is 0.8~1mm；When flexible oar is in other positions, the gap stretched between oar thrust beam two ends cushion block and underwater guide rail
Preset range is 3~4mm.
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| CN201510382117.5A CN104890811B (en) | 2015-07-01 | 2015-07-01 | Installation method of ship bow telescopic paddle based on omega sealing principle |
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| CN201510382117.5A CN104890811B (en) | 2015-07-01 | 2015-07-01 | Installation method of ship bow telescopic paddle based on omega sealing principle |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111098996A (en) * | 2019-11-18 | 2020-05-05 | 友联船厂（蛇口）有限公司 | Installation process of telescopic propeller of ship |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105148786B (en) * | 2015-09-01 | 2017-06-27 | 中船黄埔文冲船舶有限公司 | A kind of installation method of hydraulic-driven slurry agitator |
| CN109292040B (en) * | 2018-10-25 | 2020-12-08 | 青岛武船重工有限公司 | Multidirectional full-rotation rudder propeller main section installation method |
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| CN110216427B (en) * | 2019-06-21 | 2021-12-28 | 中船黄埔文冲船舶有限公司 | Method for machining and mounting base of straight blade paddle device |
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| CN113044177A (en) * | 2021-04-22 | 2021-06-29 | 中船黄埔文冲船舶有限公司 | Ship section construction precision control method |
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| CN111098996A (en) * | 2019-11-18 | 2020-05-05 | 友联船厂（蛇口）有限公司 | Installation process of telescopic propeller of ship |
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Application publication date: 20150909 Assignee: GUANGZHOU WENCHONG SHIPYARD Co.,Ltd. Assignor: CSSC HUANGPU WENCHONG SHIPBUILDING Co.,Ltd. Contract record no.: X2021440000195 Denomination of invention: Installation method of ship bow telescopic propeller based on O sealing mechanism Granted publication date: 20170517 License type: Common License Record date: 20211021 |