CN110194250A - Floating dock wing wall integral slipping method - Google Patents
Floating dock wing wall integral slipping method Download PDFInfo
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- CN110194250A CN110194250A CN201910476830.4A CN201910476830A CN110194250A CN 110194250 A CN110194250 A CN 110194250A CN 201910476830 A CN201910476830 A CN 201910476830A CN 110194250 A CN110194250 A CN 110194250A
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- wing wall
- buoyancy tank
- traction engine
- wing
- wall
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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
- B63C1/00—Dry-docking of vessels or flying-boats
- B63C1/02—Floating docks
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Working Measures On Existing Buildindgs (AREA)
Abstract
The invention discloses a kind of floating dock wing wall integral slipping methods, overturning-preventing bracket is first set on wing wall, wing wall opening then is opened up in the bottom of wing wall, jacking reinforced support then is set in wing wall open top, cloud rail and traction engine are set in wing wall open bottom；Carrying out cutting to wing wall after traction engine jack in advance separates it with buoyancy tank, then so that it is moved to designated place using the vehicle-mounted dynamic wing wall movement of heavy duty, then welds to wing wall and buoyancy tank；The method of the present invention will jack and two kinds of construction equipments of sliding synthesize one kind, reduces construction period, reduces construction procedure, improve construction controllability, improve the safety Highgrade integration of construction, and using integrated control methods such as PLC, realize visualization construction.
Description
Technical field
The present invention relates to a kind of wing wall gliding methods, more specifically to a kind of floating dock wing wall integral slipping method.
Background technique
Floating dock is can to swim in the floating structure moved on the water surface, is made of two sides wing wall and bottom buoyancy tank.In order to
The needs for meeting product diversification need to carry out upgrading to 300,000 tons of floating docks, and buoyancy tank port and starboard two sides respectively widen 5 meters,
Port and starboard wing wall is respectively to 5 meters of two sides whole lateral moving simultaneously.320 meters of wing wall overall length to be moved, 22 meters high, 5 meters wide, weight is about
5500 tons, wing wall length is big, and wall is high, and poor rigidity, moving distance is short, according to these features, in order to guarantee moving process and
The safe and reliable of falling process is jacked, needs to design the mobile scheme of jacking for wing wall, general mode is to utilize jacking thousand
Engineering is completed in jin top and slip device cooperation, and this method jacking and sliding two are arranged the other operation of back-up, and the time is long, operational sequence
More, security risk is big.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of floating dock wing wall integral slipping methods, to solve background technique
In the problem of mentioning.
In order to achieve the above object, the present invention takes following technical scheme:
A kind of floating dock wing wall integral slipping method, floating dock include that (buoyancy tank is case structure to horizontal positioned buoyancy tank, is made
Used time floats in the seawater), the top surface (pontoon deck in other words) of buoyancy tank is rectangle, and with two of buoyancy tank top surface long (i.e. floating
On the outside of the port and starboard of dock) to be that bottom edge is each be connected with a wing wall vertically (bottom edge be correspondingly connected with a wing wall, so in total
There are two wing walls)；Each wing wall further include the interior wing wall that is parallel to each other and outer wing wall (on stricti jurise, outer wing wall welding
In the length of buoyancy tank, but because interior wing wall and outer wing wall from relatively close and one complete wing wall of composition, it is possible to think depressed place
Wall integral solder is in the length of buoyancy tank), interior wing wall is located at the inside of buoyancy tank relative to outer wing wall；Each depressed place coping is additionally provided with
Can be along the crane that wing wall top margin moves, this method comprises the following steps:
S1: expand along the width direction of buoyancy tank to two sides to repair and widen buoyancy tank and (know actually perpendicular to wing wall to two sides
Expansion, which is repaired, widens)；Buoyancy tank (buoyancy tank top surface or pontoon deck) after widening it is two long (be no longer original two long, but
It is long parallel with original two) on it is each be connected with vertically the wing wall postive stop baffle for being parallel to the wing wall (due to wing wall compared with
Long, when specific implementation, every side can take 9 blocks of plates to arrange to form a wing wall limit plate)；
S2: in inside (mentioning inside, what is referred to is all proximate to the side at buoyancy tank center) right angle angle of interior wing wall and buoyancy tank
Place is provided with the overturning-preventing bracket of rectangular triangle configuration, and the right-angle side abutting of overturning-preventing bracket is fixed on interior wing wall,
Another right-angle side abutting is fixed on a roller trolley；Roller trolley is by radially fixed on a trolley track；Trolley
Track abutting is fixed on buoyancy tank and perpendicular to wing wall；Roller trolley is greater than outer wing wall and ipsilateral (wing wall point at a distance from interior wing wall
The two sides of buoyancy tank are distributed in, wing wall postive stop baffle is also located at the two sides of buoyancy tank, ipsilateral to obtain with this；Mention below it is ipsilateral be also
The spacing of wing wall postive stop baffle so)；
S3: crane, which is rigidly secured on wing wall, move it can not, and the boom of crane is made to be in wing wall institute
Locate in plane；
S4: the wing wall of wing wall and outer wing wall in multiple perforations is offered along the bottom sidewall arrangement of wing wall and is open；Wing wall
The bottom of opening is connected to buoyancy tank；
S5: reinforce channel steel around being sticked in the bottom sidewall of wing wall；Reinforce channel steel to be open in wing wall opening along wing wall
Two sides and top margin winding；
S6: it is close to the top setting jacking reinforced support of wing wall opening, jacking reinforced support perforation wing wall opening and both ends
It is separately connected interior wing wall and outer wing wall；
S7: it is fixedly installed a cloud rail in the bottom of each wing wall opening, cloud rail is fixed on buoyancy tank and through wing wall
Opening；Cloud rail is stretched out from the both ends that wing wall is open, and wherein one end extends to ipsilateral wing wall postive stop baffle；
S8: a traction engine is placed and (is typically chosen and be placed in close to the side at buoyancy tank center) on every cloud rail, and will
Traction engine is moved in wing wall opening along cloud rail；
S9: synchronous to increase traction engine until the top of traction engine is in close contact jacking reinforced support；
S10: the intersection of cutting wing wall and buoyancy tank, until wing wall is kept completely separate with buoyancy tank；
S11: control traction engine is synchronous to be increased until the interaction force between wing wall and buoyancy tank disappears；
S12: the vehicle-mounted dynamic wing wall of control heavy duty is mobile toward ipsilateral wing wall postive stop baffle, until outer wing wall reaches wing wall limit
The position of baffle (being the ipsilateral wing wall postive stop baffle just mentioned naturally)；
S13: reducing traction engine, until wing wall contacts buoyancy tank；Weld wing wall and buoyancy tank；
S14: continuing to reduce traction engine, until traction engine is no longer contacted with jacking reinforced support；
S15: traction engine is withdrawn into cloud rail, and removes cloud rail.
Preferably, trolley track includes the bottom plate in long strip for being close to be fixed on buoyancy tank and is placed in parallel in bottom plate
The top plate in long strip of top, top plate and bottom plate are connected by the side plate at two sides (rather than both ends)；On the central axes of top plate
Elongate strip opening is offered, roller trolley is wholy set between top plate and bottom plate, and the width of elongate strip opening is less than rolling
The width of trolley is taken turns to limit moving radially for roller trolley.
Preferably, jacking reinforced support includes upper plate, lower plate, and the support plate being connected between upper plate and lower plate；On
Plate is fixedly welded on the included reinforcement T-steel of wing wall, and the both ends of lower plate, which are respectively welded, is fixed on interior wing wall and outer wing wall.
Preferably, in S3, crane is fixed on to the anti-anchor point at floating dock.
Preferably, in S4, wing wall be open opposite wing wall bottom edge midpoint be in the horizontal direction it is symmetrically placed, and adjacent two
Spacing between a wing wall opening is identical, but two wing wall openings are added below crane fixed point.
Preferably, whole that height change, load change and the traction engine of traction engine are controlled on cloud rail by PLC system
It is mobile.
Preferably, the translational velocity of wing wall is set as 24cm/min.
Preferably, in S11, traction engine carrying resultant force by wing wall weight 20%, 40%, 60%, 70%, 80%,
90%, 100% hierarchical loading is carried out.
Preferably, in S12, after synchronously control traction engine first translates 1 meter, stopping traction engine, observation traction engine synchronism,
Continue to control traction engine translation after inertia distance after load change, parking.
It is an advantage of the current invention that the mode of jacking and slip apart compared with prior art, the present invention will be jacked and be slided
It moves two kinds of construction equipments and synthesizes one kind, reduce construction period, reduce construction procedure, improve construction controllability, improve the peace of construction
Full property Highgrade integration, and using integrated control methods such as PLC, realize visualization construction: jacking load, top in work progress
Raise-position shifting, sliding displacement can easily be shown on console, accomplish orderly to carry out；Overturning-preventing tooling realizes wing wall
Two-way overturning-preventing, it is ensured that construction safety；For the first time to superelevation, overlength, it is flat that the small wing wall of width carries out the entirety under floating state
It moves, by calculating, safety in guarantee jacking, slipping；According to the bearing capacity and construction profile of traction engine, interim top is designed
Ascending branch frame, intensity load needed for guaranteeing traction engine jacking；By whole reinforcement and internal reinforcement, guarantee that wing wall is being jacked and slided
During shifting, precision is in controlled range；By calculating, sealing is hung to depressed place, reducing before engineering starts in conventional method needs
Depressed place is removed to hang, after reinstall the time and cost that depressed place is hung；The present invention can reduce construction period, be conventional construction week
The 1/5 of phase.
Detailed description of the invention
Fig. 1 is the side view at floating dock；
Fig. 2 is the top view at floating dock；
Fig. 3 is the side view of overturning-preventing bracket；
Fig. 4 is the enlarged drawing of trolley track in Fig. 3；
Fig. 5 is the A direction view in Fig. 4；
Fig. 6 is that A is open schematic diagram to the wing wall looked along Fig. 3；
Fig. 7 is that the cloud rail under top view is laid with schematic diagram；
Fig. 8 is the B direction view in Fig. 7；
Fig. 9 is the C direction view in Fig. 7；
Figure 10 is the D-D sectional view (including buoyancy tank) in Fig. 6.
In figure, 1, buoyancy tank, 2, wing wall, 21, interior wing wall, 22, outer wing wall, 23, wing wall postive stop baffle, 3, crane, 31, Fang Tai
Anchor point, 4, overturning-preventing bracket, 41, roller trolley, 42, trolley track, 43, limit opening, 44, bottom plate, 45, top plate, 46, side
Plate, 47, elongate strip opening, 5, wing wall opening, 51, cloud rail, 52, traction engine, 53, reinforcement channel steel, 6, jacking reinforced support, 61,
Upper plate, 62, lower plate, 63, support plate, 64, bracket.
Specific embodiment
A specific embodiment of the invention is described with reference to the accompanying drawing.
Referring initially to Fig. 1 and Fig. 2, floating dock includes horizontal positioned buoyancy tank 1, and buoyancy tank 1 is that rectangle (can be seen in top view
Out), and with two a length of bottom edges of buoyancy tank 1 are each it is connected with a wing wall 2 vertically；Each wing wall 2 further include be parallel to each other it is interior
Wing wall 21 and outer wing wall 22, interior wing wall 21 is located at the inside of buoyancy tank 1 relative to outer wing wall 22, and interior wing wall 21 and outer wing wall 22 are all
It is vertically welded on buoyancy tank 1；The top of each wing wall 2 be additionally provided with can along the crane 3 that 2 top margin of wing wall moves (floating dock can tie up
Shiprepair, crane 3 make slinging work during maintenance vessel；The movement of crane 3 is realized by walking mechanism and track etc.
)；This method comprises the following steps (following steps are all suitable for for the wing wall 2 of two sides):
S1: expand to repair to two sides along the width direction of buoyancy tank 1 and widen buoyancy tank 1；Two of buoyancy tank 1 after widening are long each
One wing wall postive stop baffle 23 of connection vertically；(target that subsequent each step is realized is to move back the original cutting of wing wall 2
It moves the position of wing wall postive stop baffle 23 and then is welded)
S2: as shown in figure 3, being provided with rectangular triangle configuration in the inside right angle angle of interior wing wall 21 and buoyancy tank 1
Overturning-preventing bracket 4, a right-angle side of overturning-preventing bracket 4 is close to fixed (can use welding) in interior wing wall 21, another right angle
It is close to fixed (available hinged) on a roller trolley 41 in side；Roller trolley 41 is by radially fixed in a trolley track 42
On；Trolley track 42 is close to fixed (can with weld) in buoyancy tank 1 and perpendicular to wing wall 2 and extends to the position of interior wing wall 21；Rolling
Take turns why the spacing that trolley 41 is greater than outer wing wall 22 and ipsilateral wing wall postive stop baffle 23 at a distance from interior wing wall 21 (there will be this
A requirement, being can be mobile with roller trolley 41 because of subsequent wing wall 2, and trolley track 42 can only at most be routed to wing wall 2
Position)；For each wing wall 2, settable 9 such overturning-preventing brackets 4, as shown in Figure 2；
For trolley track 42, can take following this embodiment: as shown in Figure 4 and Figure 5, trolley track 42, which is taken, to be faced
When steelframe form, interim steelframe includes being close to the bottom plate 44 in long strip that is fixed on buoyancy tank 1 and being placed in parallel in bottom
The top plate 45 in long strip of 44 top of plate, top plate 45 and bottom plate 44 are connected by the side plate 46 of two sides；In the axis of top plate 45
Elongate strip opening 47 is offered on line, roller trolley 41 is wholy set between top plate 45 and bottom plate 44, and elongate strip is open
47 width is less than the width of roller trolley 41 to limit moving radially for roller trolley 41；
In this way, which roller trolley 41 and overturning-preventing bracket 4 can play a supporting role if wing wall 2 inwardly rolls；If wing wall
2 roll outward, then roller trolley 41 is limited by top plate 45 so that providing downward power prevents from toppling over；
In addition to this it is possible to multiple limit openings 43 are disposed radially in trolley track 42 (interim steelframe), when need
When roller trolley 41 being fixed in the axial direction, it is inserted into respectively at the limit opening 43 of 41 front and back of roller trolley
Pinboard, so that it may which roller trolley 41 is fixed between two pinboards；
S3: crane 3, which is rigidly secured on wing wall 2, move it can not, and the boom of crane 3 is made to be in wing wall
In plane locating for 2；Anti- anchor point 31 of this fixed point selection when former floating dock is designed (has in Fig. 2 and represents the point
Position)；The movement of crane 3 depends on the walking mechanism and track of its bottom, and walking mechanism and track are used and rigidly fixed i.e.
Controllable crane 3 is fixed, according to the design feature for calculating the magnitude of load provided and crane 3,2 top of wing wall, it may be determined that sealing
Form, such as using modes such as bolts；
S4: as shown in fig. 6, the bottom sidewall arrangement along wing wall 2 offers wing wall 21 and outer wing wall 22 in multiple perforations
Wing wall be open 5 (only showing a few in Fig. 6, take 28 in more specific embodiment later)；Wing wall opening 5
Bottom be connected to buoyancy tank 1；For the position that opens up of wing wall opening 5, the opposite 2 bottom edge midpoint of wing wall of settable wing wall opening 5 exists
It is in symmetrically placed (as shown in Figure 2) in horizontal direction, and the spacing between two neighboring wing wall opening 5 is identical, but fixed in crane 3
The lower section of point add two wing walls opening 5 (thus in 3 fixed point of crane, i.e., several adjacent wing walls of anti-31 bottom of anchor point
5 spacing that are open are different).
S5: still as shown in fig. 6, the bottom sidewall in wing wall 2 reinforces channel steel 53 around being sticked；Reinforcing channel steel 53 can take
Straight line is laid, but the two sides and top margin winding along wing wall opening 5 are needed at wing wall opening 5；Reinforce the effect of channel steel 53
It is, after subsequent cutting, since wing wall 2 loses the connection with buoyancy tank 1, so that fixation of the buoyancy tank 1 to its global shape is also lost,
So as to generate wave transformation, and the wave transformation of wing wall 2 can be reduced with the rigidity of its own by reinforcing channel steel 53；
S6: as shown in Figure 10, it is close to the top setting jacking reinforced support 6 of wing wall opening 5, jacking reinforced support 6 penetrates through
Wing wall opening 5 and both ends be separately connected interior wing wall 21 and outer wing wall 22；Why jacking reinforced support 6 is set, is because interior
There are hollow regions between wing wall 21 and outer wing wall 22, so subsequent traction engine 52 is when wing wall opening 5 contains dynamic wing wall 2
It waits, is only contacted with the bottom edge of interior wing wall 21 and outer wing wall 22, and after being provided with jacking reinforced support 6, it is exactly to carry dynamic entire jacking
Reinforced support 6 is formed by face；
Jacking reinforced support 6 can take following this embodiment:
Jacking reinforced support 6 includes upper plate 61, lower plate 62, and the support plate being connected between upper plate 61 and lower plate 62
63；Upper plate 61 is fixedly welded on the included reinforcement T-steel of wing wall 2, and (this is the included reinforcement structure of wing wall 2, is invested in Figure 10
The inner wall of interior wing wall 21 and outer wing wall 22 is not clearly shown in figure), the both ends of lower plate 62, which are respectively welded, is fixed on interior 21 He of wing wall
Outer wing wall 22；Bracket 64 is additionally provided between upper plate 61 and the inner wall of interior wing wall 21 and outer wing wall 22；
S7: as shown in fig. 7, being fixedly installed a cloud rail 51 in the bottom of each wing wall opening 5, (cloud type track is used
Make the track of traction engine 52), cloud rail 51 is fixed on buoyancy tank 1 and through wing wall opening 5；Cloud rail 51 is stretched from the both ends of wing wall opening 5
Out, and wherein one end extends to ipsilateral wing wall postive stop baffle 23；The gap location being laid with after cloud rail 51 on cloud rail 51 Yu ground can
It is levelling or be put into gasket with cement, realize that subsequent translation route is smooth；
S8: as shown in Figure 7 to 9, a traction engine 52 is placed on every cloud rail 51, and by traction engine 52 along cloud rail
51 be moved in wing wall opening 5 (traction engine 52 can be firstly placed on the inside of cloud rail 51 then mobile traction engine 52 to wing wall opening 5
It is interior)
S9: synchronous to increase traction engine 52 until the top of traction engine 52 is in close contact jacking reinforced support 6 (after preventing cutting
Wing wall 2 plunks down)；
S10: the intersection of cutting wing wall 2 and buoyancy tank 1, until wing wall 2 and buoyancy tank 1 are kept completely separate (separation finger two here
Connection of the person on mechanics disappears, i.e., wing wall 2 can completely disengage after lifting with buoyancy tank 1, but not says that the two is at this time
It does not contact)；
S11: control traction engine 52 is synchronous to be increased until the interaction force between wing wall 2 and buoyancy tank 1 disappears；In this process
In can be used the mode of hierarchical loading: the carrying resultant force of traction engine 52 by 2 weight of wing wall 20%, 40%, 60%, 70%,
80%, 90%, 100% hierarchical loading is carried out；After each load, each point of observation reflects traction engine 52 and wing wall in time
2 structure situations；Each measurement point reflects measurement data in time；Data collection Field design group, carries out analysis comparison；Approval is worked as
Preceding working condition, and decision operates in next step；It jacks and (is more securely said after having point of contact disengaging with buoyancy tank 1 to confirmation wing wall 2
Can enable therebetween has a bit of gap, such as 60mm, and interaction force must disappear at this time), stop 15 minutes, confirms wing wall
2 stresses, 52 load data of traction engine, after buoyancy tank 1 adjusts loading system not have any problems, floor manager group decision starts to put down
It moves；
S12: it is mobile toward ipsilateral wing wall postive stop baffle 23 that control traction engine 52 carries dynamic wing wall 2, until outer wing wall 22 reaches
The position of wing wall postive stop baffle 23；In 2 translation motion of wing wall, 52 synchronous averaging of traction engine first translates 1 meter, and it is synchronous to observe each vehicle
Property, load change confirmation meet technical requirements after, record parking after inertia distance, continue to translate, according to load change, adjust at any time
Load-carrying carrier vehicle 52 carries situation, until the designated position (i.e. at wing wall postive stop baffle 23) for the buoyancy tank 1 widened is moved to, confirmation essence
Degree is met the requirements.The carrying data that every traction engine 52 is recorded in translation motion are adjusted according to buoyancy tank 1 and carry calculating, and scene translation
State carries out tune load, to ensure the stability of the translation of wing wall 2.The translational velocity of wing wall 2 may be configured as 24cm/min, translate frequency
For 10Hz.
S13: reducing traction engine 52, until wing wall 2 contacts buoyancy tank 1；Weld wing wall 2 and buoyancy tank 1；
S14: continuing to reduce traction engine 52, until traction engine 52 is no longer contacted with jacking reinforced support 6；
S15: traction engine 52 is withdrawn into cloud rail 51, and removes cloud rail 51.
Other side wing wall 2 is mobile using method same as described above.The whole height that traction engine 52 is controlled by PLC system
Variation and its movement on cloud rail 51.
It is the embodiment that upgrading process is carried out for 300,000 tons of floating docks below, 1 port and starboard two sides of buoyancy tank respectively widen 5
Rice, while port and starboard wing wall 2 is respectively to 5 meters of two sides whole lateral moving.320 meters of 2 overall length of wing wall to be moved, 22 meters high, 5 meters wide, weight
About 5500 tons of amount；According the principles above, in conjunction with practical situation, there are following more specifical process and method introduction (perhaps
Have a little difference with above-mentioned global schema):
Wherein, the calculating (by taking crane 3 as an example) of tractive force: reference " mechanical design handbook " (ISBN:
9787111292258), choosing maximum coefficient of rolling friction in translation motion is f=0.03.
Power is provided by 28 traction engines 52 (heavy-load transport vehicle), and according to 52 specification of traction engine, every traction engine 52 is mentioned
It is 20T for power；
According to 52 structure type of traction engine (using the Spur Gear Driving of three-level) and " mechanical design handbook " (ISBN:
9787111292258) transmission efficiency η=0.8, is taken
Overall driving force F=28 × 20 × 0.8==448T；
Maximum static friction force F '=W × f=5500 × 0.03=165T
Tractive force is met the requirements.
Conclusion: driving force needs safety coefficient n >=2, and above-mentioned driving force safety coefficient is met the requirements.
Jack LOAD FOR: the self weight G=5500t of wing wall 2, this time translation uses 28 active traction engines 52, every trolley F volume
Top=400t, Σ F volume top=400t × 28=11200t.
Safety coefficient n=Σ F volume top/G=11200/5500=2.04
Conclusion: safe load coefficient >=2, safe load coefficient are met the requirements.
Using the traction engine 52 of the mobile one of 28 jackings, construction method includes:
A, the preparation and inspection before construction: including 2 structural strengthening inspection of wing wall, 2 anti-dumping bracket inspection of wing wall, traction engine 52
Transit route inspection, 2 crane of wing wall, 3 sealing inspection, traction engine 52 and the confirmation of 51 installation accuracy of cloud rail, traction engine 52 and wing wall 2
The confirmation of jacking position, wing wall 2, which are adjusted, carries outlet capacity and the power supply of subsequent water pump etc. (external electric, outer for pump), 52 no-load test of traction engine
Installation site checks line, 1 structure stress situation of buoyancy tank in place for (hydraulic system, cable connection, control system), wing wall 2；
B, overturning-preventing bracket 4 is installed: according to drawing requirement, the track on buoyancy tank 1 being installed, overturning-preventing bracket 4 is installed；
C, integral strength tooling (i.e. strengthening groove at wing wall 2 lower mouth (i.e. bottom sidewall) and aperture (i.e. wing wall opening 5) is welded
Steel 53)；
D, traction engine 52 is opened according to drawing and translates fabrication hole (i.e. wing wall opening 5)；
E, welding traction engine 52 jacks position tooling (i.e. jacking reinforced support 6)；
F, wing wall postive stop baffle 23 is welded；
G, it applies and draws wing wall 2 and floating dock inspection line, reference line；
H, track centerline (i.e. the center line of cloud rail 51) is drawn:
It is applied with total station or theodolite and draws 51 center line of cloud rail, guarantee that 26 vertical shift track centerlines are parallel；By 26 rails
Diatom, which extends to, to be widened at buoyancy tank 1, is guaranteed that extended line is essentially coincided with 1 strong structure center line of buoyancy tank with transit survey and (is being counted
Within the error range of calculation)；
I, it is laid with cloud rail 51, checks precision, adjustment meets the requirements rear and floating dock deck sealing；
J, traction engine 52 is placed, 26 trolley power supply lines being well placed, signal wire are connected according to the connection type of standard, inspection
Looking into all tie points ensures safety；
K, certain load is arrived in the jacking of traction engine 52, starts to cut wing wall 2, and cutting sequence is carried out according to related process scheme,
Determine that wing wall 2 is completely disengaged with buoyancy tank 1, measures the precision and deformation condition of wing wall 2 and buoyancy tank 1,28 (under crane after cutting
Side adds Liang Tai again) there are jacking displacement sensor and walking displacement sensor on traction engine 52, it can accurately measure at this 28 points
Wing wall 2 and buoyancy tank 1 displacement data obtains the precision state of entire buoyancy tank 1 and wing wall 2, leads to by analyzing these data
The different top raise-position for crossing 28 trolleys of adjustment moves, the precision of adjustable buoyancy tank 1 and wing wall 2.Then wing wall 2 is jacked, is monitored simultaneously
The synchronism of 28 points of jackings.When jacking wing wall 2 and 1 spacing 60mm of buoyancy tank, terminate jacking, locks；
L, wing wall 2, translational velocity 24cm/min are translated, translation frequency is 10Hz；28 52 synchronous averagings of traction engine are first put down
Move 1 meter, observe each vehicle synchronism, load change confirmation meet technical requirements after, record parking after inertia distance, continue to translate,
It according to load change, adjusts load-carrying carrier vehicle 52 to carry situation at any time, until moving to the designated position for widening buoyancy tank 1, confirms precision
It meets the requirements；
M, reduce traction engine 52, meet the required precision of wing wall 2 Yu buoyancy tank 1, soldering and sealing wing wall 2 (press related process scheme into
Row), continue to reduce traction engine 52, be detached from wing wall 2, withdraw from traction engine 52 in reverse order, remove cloud rail 51, completes wing wall 2
Movement；
N, welding wing wall 2 and buoyancy tank 1 restore original structure；
O, other side wing wall 2 is mobile using method as hereinbefore.
Wherein, wing wall 2, which is cut, includes:
(1) traction engine 52 starts to cut 2 bottom of wing wall when load is unloaded to 1% after the completion of wing wall 2 tries jacking work
Structure (requires to be cut) according to 2 cutting technique of wing wall；
(2) it after wing wall 2 is cut, checks one time comprehensively, the cutting completely of confirmation wing wall 2 is completed；
(3) cutting responsible person by wing wall 2 notifies floor manager group to complete all cuttings.
The examination of wing wall 2, which jacks, includes:
(1) reinforcement structure position (i.e. jacking reinforced support 6) in traction engine 52 cylinder jacking to wing wall 2；
(2) 20%, 40%, 60%, 70%, 80%, 90%, 100% hierarchical loading is carried out in proportion, is loaded every time, palpus
It carries out, and makes a record by following procedure:
Operation: hierarchical loading is carried out as required, cylinder force is made to reach specified value；
Observation: each stress point should reflect observation situation in time；52 situation of change of structural strengthening position and traction engine；
Check: the numerical value of each stress point shows situation, compares real data and theory setting data difference；
Analysis: it is analyzed according to the data that field observation, inspection and operator control panel are shown；
Decision: approving current working status, meets technical security requirement and decision operates in next step.
The jacking of wing wall 2 and the translation of wing wall 2 include:
(1) jacking must be carried out by following procedure, and be made a record:
Operation: hierarchical loading is carried out as required, 52 stress of traction engine is made to reach predetermined value；
Observation: each point of observation reflects 2 structure situation of traction engine 52 and wing wall in time；
Measurement: each measurement point should conscientiously carry out measurement work, reflect measurement data in time；
Check: data collection Field design group carries out analysis comparison；
Decision: approve current working status, and decision operates in next step；
(2) (confirmation wing wall 2 and buoyancy tank 1 have point of contact disengagings) stops 15 minutes when jacking 100mm, confirm wing wall 2 by
Power state, 52 load data of traction engine, after buoyancy tank 1 adjusts loading system not have any problems, floor manager group decision starts to translate；
(3) if no problem just can be translated after jacking observation；In translation motion and record the carrying of every traction engine 52
Data；According to correspondence proving line locking landing wing wall 2 after translation in place；
(4) if there is error when wing wall 2 lands, levelling amendment should be carried out, it is ensured that wing wall 2 is installed in place；
(5) after the translation in place of wing wall 2, site operation tissue carries out 2 sealing of wing wall, the welding of structural member immediately；
(6) buoyancy tank 1 adjusts loading system, is adjusted according to buoyancy tank 1 and carries calculating, and live translation state carries out tune load, to ensure wing wall 2
The stability of translation；
(7) after 2 sealing of wing wall, traction engine 52 and Yun Gui 51 can be withdrawn from, the translation of wing wall 2 for carrying out the other side prepares
Work.
The arrangement of traction engine 52 are as follows: unilateral wing wall 2 arranges 28 traction engines 52 altogether, 12.5 meters of 1-13 following distance, 14-26 vehicle
12.5 meters of spacing, corresponding position is hung in depressed place and increases by two traction engines 52, increases by 27 vehicles, 14- between 13-14 by 10 meters of 13-14 following distance
Increase by 28 vehicles between 15 (band depressed place is hung in translation motion).
Wherein, main tooling includes:
(1) 2 aperture of wing wall and strengthened scheme: 2 position of opening of wing wall is identical with 52 paving location of traction engine, inside and outside wing wall 22
And the inside structure is both needed to aperture, forms through hole.
(2) traction engine 52 jacks position bracket and reinforcement:
(3) the whole reinforcement of wing wall 2 and transverse frame are laterally reinforced: after wing wall 2 is cut with buoyancy tank 1, lower mouth belongs to big opening
State, and install 52 position of traction engine need aperture, have certain influence to the integral strength of wing wall 2,2 tapping of wing wall and under
Mouth edge adds back beam.
(4) 3 sealing of crane: crane 3 stops to the designated position of wing wall 2, and boom is placed along wing wall 2,
(5) overturning-preventing bracket 4: security reliability when in order to ensure construction adds 9 groups of overturning-preventing branch on the inside of wing wall 2
Frame 4, bracket is installed before cutting, and side and wing wall 2 are fixed, and the other side is slided on the interim girder steel of buoyancy tank 1, and tooling can be realized double
Side overturning-preventing；The transverse baffle aperture in 41 vertical plates on both sides of roller trolley according to the actual situation, pitch of holes 1000mm, walking process
In such as emergency case, be inserted into transverse baffle, traction engine 52 assisted to brake；
(6) wing wall postive stop baffle 23 and peripheral operation platform: in 2 shift position terminal of wing wall setting temporary spacing plate and outside
Operation platform is enclosed, to guarantee the stability and precision of translation；
(7) 51 track sealing of cloud rail；
(8) the interim hole of construction: inside and outside wing wall 22 opens up interim fabrication hole according to construction and safe escape.
Wherein, 52 transportation system of traction engine is by traction engine 52, cloud type track (cloud rail 51), electric control system, monitoring
System composition.Control mode are as follows: with PLC system control 28 traction engines 52 synchronous operation, can also separate unit independent operating be able to achieve
The working condition of global displacement, positioning, every traction engine 52 above can be shown in manipulation screen.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art within the technical scope of the present disclosure, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (8)
1. a kind of floating dock wing wall integral slipping method, floating dock includes horizontal positioned buoyancy tank, and the top surface of the buoyancy tank is square
Shape, and it is connected with a wing wall vertically so that two a length of bottom edges of the buoyancy tank top surface are each；Each wing wall includes mutually flat
Capable interior wing wall and outer wing wall, the interior wing wall are located at the inside of the buoyancy tank relative to the outer wing wall；Each wing wall
Top be additionally provided with the crane that can be moved along the wing wall top margin, which is characterized in that this method comprises the following steps:
S1: expand to repair to two sides along the width direction of the buoyancy tank and widen the buoyancy tank；The buoyancy tank top surface after widening
It is two long each to be connected with the wing wall postive stop baffle for being parallel to the wing wall vertically；
S2: the inside right angle angle of the interior wing wall and the buoyancy tank is provided with the overturning-preventing branch of rectangular triangle configuration
Frame, the right-angle side abutting of the overturning-preventing bracket are fixed on the interior wing wall, and another right-angle side abutting is fixed on one
On roller trolley；The roller trolley is by radially fixed on a trolley track；The trolley track abutting is fixed on described
Buoyancy tank and perpendicular to the wing wall；The roller trolley be greater than at a distance from the interior wing wall the outer wing wall with it is ipsilateral described
The spacing of wing wall postive stop baffle；
S3: the crane, which is rigidly secured on the wing wall, move it can not, and make at the boom of the crane
In the plane locating for wing wall；
S4: it is opened along the wing wall that the bottom sidewall arrangement of the wing wall offers multiple perforations interior wing wall and the outer wing wall
Mouthful；The bottom of the wing wall opening is connected to the buoyancy tank；
S5: reinforce channel steel around being sticked in the bottom sidewall of the wing wall；The reinforcement channel steel the wing wall opening along
The two sides of the wing wall opening and top margin winding；
S6: being close to the top setting jacking reinforced support of the wing wall opening, and the jacking reinforced support penetrates through the wing wall and opens
Mouthful and both ends be separately connected the interior wing wall and the outer wing wall；
S7: being fixedly installed a cloud rail in the bottom of each wing wall opening, the cloud rail be fixed on the buoyancy tank and
It is open through the wing wall；The cloud rail is stretched out from the both ends that the wing wall is open, and wherein one end extend to it is ipsilateral described
Wing wall postive stop baffle；
S8: a traction engine is placed on every cloud rail, and the traction engine is moved to the depressed place along the cloud rail
In wall opening；
S9: synchronous to increase the traction engine until the top of the traction engine is in close contact the jacking reinforced support；
S10: cutting the intersection of the wing wall Yu the buoyancy tank, until the wing wall is kept completely separate with the buoyancy tank；
S11: the synchronous raising of the traction engine is controlled until the interaction force between the wing wall and the buoyancy tank disappears；
S12: the control heavy duty is vehicle-mounted to move the wing wall toward ipsilateral wing wall postive stop baffle movement, until the outer wing wall reaches
The position of the wing wall postive stop baffle；
S13: reducing the traction engine, until the wing wall contacts the buoyancy tank；Weld the wing wall and the buoyancy tank；
S14: continuing to reduce the traction engine, until the traction engine is no longer contacted with the jacking reinforced support；
S15: the traction engine is withdrawn into the cloud rail, and removes the cloud rail.
2. floating dock wing wall integral slipping method according to claim 1, which is characterized in that the trolley track includes being close to
The bottom plate in long strip being fixed on the buoyancy tank and the top plate in long strip being placed in parallel in above the bottom plate, institute
It states top plate and is connected with bottom plate by the side plate of two sides；Elongate strip opening, the idler wheel are offered on the central axes of the top plate
Trolley is wholy set between the top plate and bottom plate, and the width of elongate strip opening is less than the width of the roller trolley
Degree is to limit moving radially for the roller trolley.
3. floating dock wing wall integral slipping method according to claim 1, which is characterized in that the jacking reinforced support includes
Upper plate, lower plate, and the support plate being connected between the upper plate and lower plate；It is included that the upper plate is fixedly welded on the wing wall
Reinforcement T-steel on, the both ends of the lower plate, which are respectively welded, is fixed on the interior wing wall and the outer wing wall.
4. floating dock wing wall integral slipping method according to claim 1, which is characterized in that in S3, the crane is consolidated
Due to the anti-anchor point at the floating dock.
5. floating dock wing wall integral slipping method according to claim 1, which is characterized in that whole to be controlled by PLC system
Movement of height change, load change and the traction engine of the traction engine on the cloud rail.
6. floating dock wing wall integral slipping method according to claim 1, which is characterized in that the translational velocity of the wing wall is set
It is set to 24cm/min.
7. floating dock wing wall integral slipping method according to claim 1, which is characterized in that in S11, the traction engine
Carrying resultant force carries out hierarchical loading by 20%, 40%, 60%, 70%, 80%, 90%, the 100% of the wing wall weight.
8. floating dock wing wall integral slipping method according to claim 1, which is characterized in that in S12, described in synchronously control
After traction engine first translates 1 meter, stop the traction engine, observes inertia distance after the traction engine synchronism, load change, parking
After continue to control the traction engine translation.
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| CN201910476830.4A CN110194250B (en) | 2019-06-03 | 2019-06-03 | Integral sliding method for dock wall of floating dock |
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|---|---|---|---|
| CN201910476830.4A CN110194250B (en) | 2019-06-03 | 2019-06-03 | Integral sliding method for dock wall of floating dock |
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| CN110194250B CN110194250B (en) | 2020-11-27 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112173035A (en) * | 2020-10-16 | 2021-01-05 | 上海振华重工(集团)股份有限公司 | Construction method of pipe joint sinking ship in limited area |
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| SU1240683A1 (en) * | 1984-02-20 | 1986-06-30 | Войсковая часть 27177-б | Method of increasing width of floating dock afloat |
| SU1652184A1 (en) * | 1989-01-12 | 1991-05-30 | Южный Научно-Исследовательский Институт Морского Флота | Method of dimensional modernization of floating dock |
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| CN112173035A (en) * | 2020-10-16 | 2021-01-05 | 上海振华重工(集团)股份有限公司 | Construction method of pipe joint sinking ship in limited area |
| CN112173035B (en) * | 2020-10-16 | 2021-07-23 | 上海振华重工(集团)股份有限公司 | Construction method of pipe joint sinking ship in limited area |
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| Publication number | Publication date |
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| CN110194250B (en) | 2020-11-27 |
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