CN102442408A - Vertical supporting structure for cargo tank and inboard bottom of full-refrigerated liquefied gas carrier and mounting method of vertical supporting structure - Google Patents
Vertical supporting structure for cargo tank and inboard bottom of full-refrigerated liquefied gas carrier and mounting method of vertical supporting structure Download PDFInfo
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- CN102442408A CN102442408A CN2010105013673A CN201010501367A CN102442408A CN 102442408 A CN102442408 A CN 102442408A CN 2010105013673 A CN2010105013673 A CN 2010105013673A CN 201010501367 A CN201010501367 A CN 201010501367A CN 102442408 A CN102442408 A CN 102442408A
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Abstract
The invention provides a vertical supporting structure for a cargo tank and an inboard bottom of a full-refrigerated liquefied gas carrier. The vertical supporting structure comprises an upper support seat, a lower support seat, a first bed timber and a second bed timber, wherein the upper support seat is arranged on the cargo tank side of full-refrigerated liquefied gas carrier; the lower support seat is arranged on the inboard bottom side of full-refrigerated liquefied gas carrier; the upper and the lower support seats are the same in structure; each support seat comprises a baseplate and two panels on one side of the baseplate; a support toggle plate is arranged between the baseplate and the panels; a rib plate perpendicular to the baseplate is arranged on the other side of the baseplate; bed timber grooves are respectively arranged on the panels; a lifting jack supporting platform is arranged at two ends of each panel; the first bed timber is arranged in bed timber groove on the upper support seat; the second bed timber is arranged in a bed timber groove of the lower support seat; and the first bed timber is in contact with the second bed timber. The vertical supporting structure between the cargo tank and the inboard bottom provides convenience for mounting the cargo tank, and saves time and cost for mounting.
Description
Technical field
The present invention relates to the support problem between cargo tank and inner bottom, relate to a kind of vertical supporting construction and installation method that is used for large-scale full-cool liquefied gas carrier cargo tank in particular.
Background technology
It is comparatively special that the structure design of full-cool liquefied gas carrier is compared with the boats and ships of other type.The liquid tank of large-scale full-cool liquefied gas carrier is an A type independence cargo tank; Do not constitute the part of hull structure; Be positioned in the cargo hold and provide support by vertical bearing (Vertical Support); The weight of whole A type independent tank and institute's lade thereof all is delivered to main hull structure through supporting construction, also need consider the live load that motion, the liquid tank inner cargo movement of main body in wave causes simultaneously.The stressed of supporting construction is bigger, and general design principles is to arrange that on main hull structure strong frame and liquid tank structure strong frame mutual cooresponding bearing guarantees the transmission of load.
Supporting construction itself must have enough intensity to transmit various load, and simultaneously himself version must be able to avoid producing unnecessary stress concentration.Should be according to the difference of type of support, itself the institute role of answering and characteristic is taked corresponding design plan.Owing to can have relative motion between hull and the cargo tank; So the bearing of the two does not adopt and is rigidly connected; Guarantee that contact each other has certain flexibility but adopt epoxy resin to add chock; And establish stainless steel gasket and reduce not have friction, but make its slide relative, avoid unnecessary stress concentration.When cargo tank is installed in such traditional supporting construction decision; Because setting accuracy is had relatively high expectations; Time for positioning is long, and there is deficiency in THICKNESS CONTROL and the enhancing chock damping effect to epoxy mortar simultaneously, and after the way that the curing of wait epoxy mortar is taked is crane lifting, leaves standstill; Because the epoxy mortar complete curing needed more than 80 hours, so this supporting construction makes installation method have inefficiency and the long defective of large-scale crane period of service.
Summary of the invention
The technical matters that the present invention will solve provides a kind of liquid gas storage tank of can avoiding on the ship in transit because boats and ships rock the vertical supporting construction between cargo tank and inner bottom that is used for that sustains damage, and overcomes the problems referred to above that exist in the prior art.
The present invention solves through following technical scheme:
A kind of vertical supporting construction that is used between cargo tank and inner bottom of the present invention; Comprise the last supporting seat that is positioned at cargo tank one side, the following supporting seat that is positioned at inner bottom one side, first chock and second chock, said upward supporting seat and following supporting seat be symmetric arrangement up and down, and said upward supporting seat is identical with following clamping support; Comprise a base plate and two panels respectively; Two panels place a side of base plate and between base plate and panel, are provided with anti-tripping bracket, are provided with the floor vertical with base plate at the opposite side of base plate, respectively are provided with the chock groove on two panels; And be provided with the jack support platform at the two ends of panel; Said first chock places in the chock groove of said upward supporting seat, and second chock places in the chock groove of said supporting seat down, and first chock contacts with second chock.
Anti-tripping bracket according to the invention comprises long toggle plate and wide bracket, and long toggle plate and wide bracket intersect vertically, and long toggle plate and wide bracket are isosceles trapezoid.
Be equipped with the middle bracket that equidistantly distributes on the two sides of long toggle plate according to the invention, middle bracket is a triangle.
The length and width of first chock according to the invention are less than the length and width of second chock.
Be provided with a stainless sheet steel between first chock according to the invention and second chock, stainless sheet steel is provided with flanging, and flanging and first chock and second chock are fixed.
Floor according to the invention is three floors that laterally arrange.
The present invention is a kind of to utilize above-mentioned vertical supporting construction that the method for cargo tank is installed, and may further comprise the steps:
The first step is fixed second chock and stainless sheet steel, and first chock and stainless sheet steel working fastening are placed on down second chock that fixes in the chock groove of supporting seat, and is placed on down four jacks on the jack support platform of supporting seat;
In second step, in the chock groove of last supporting seat, evenly lay epoxy mortar;
The 3rd step; The said last supporting seat that has laid epoxy mortar is sling; The chock groove and is supported on four jacks its total weight down, turns down the jack height; Progressively make a part of weight of supporting seat drop on first chock epoxy mortar that lays in the supporting seat chock groove in the first chock compacting;
The 4th step, leave standstill the epoxy mortar of keep going up in the supreme supporting seat chock of the supporting seat state groove do solid after, the operation jack will be gone up supporting seat jack-up, and and then will go up supporting seat and sling, sling height is advisable with the chock groove that can operate down on the supporting seat;
In the 5th step, lay epoxy mortar in the supporting seat chock groove down said;
The 6th step, will go up supporting seat again and put down, its total weight is supported on the jack; Progressively will go up supporting seat together with on the located supporting seat down of bonded assembly chock, the epoxy mortar that progressively lays in the supporting seat chock groove under the compacting is after compacting puts in place; Continue to inject in the downward supporting seat chock groove epoxy mortar, extrude epoxy mortar, scrape off the epoxy mortar that four limits on every side squeeze out until four limits on every side; Keep jack pressure, treat that epoxy mortar is dried solid;
In the 7th step, after said epoxy mortar is done admittedly,, then go up supporting seat and can be supported in down on the supporting seat said jack unloading.
First chock in the first step according to the invention and the concrete fixing step of second chock are: earlier with the stainless sheet steel cutting; The turnover downwards of four limits is to the size that can just second chock, four limits be wrapped up; The broadside interlude upwards turns down to the distance that can just the first chock both sides be clamped; The part that contacts with chock at stainless sheet steel in fixing elder generation before evenly is coated with spreads the molybdenum disulphide grease, on each flanging, opens screw again and with wood screw stainless steel sheet is fixed in second chock surface; First chock is positioned on the stainless sheet steel on the second chock piece, and upwards the interlude and first chock of turnover are fixed above-mentioned broadside with wood screw.
The present invention is with before first chock and last supporting seat chock groove bonding and second chock and the following supporting seat chock groove bonding, and elder generation is at the second chock lower surface and the first chock upper surface thick dried solid epoxy mortar prefabricated film of some 5mm that bonds respectively.
Through above technical scheme; Vertical supporting construction and the installation method thereof that is used between cargo tank and inner bottom of the present invention; Have the platform that to place hydraulic jack and as the platform of jacking face,, improved efficient for the installation of cargo tank provides cost savings and the time.Through on the supporting seat hydraulic jack roof panel being set down; Adjust, locate need utilizing hydraulic jack to link with its hoisting process of last supporting seat welding back cargo tank; Shorten the time of cargo tank and upward supporting seat adjustment, location, during waiting for curable epoxide, utilized the hydraulic jack replacement heavily to hang the weight that supports cargo tank and go up supporting seat simultaneously; Significantly reduced and heavily hung period of service, significantly saved erected cost.
Description of drawings
Fig. 1 is the vertical supporting construction left view of the present invention.
Fig. 2 is a supporting seat birds-eye view in the present invention.
Fig. 3 is a supporting seat upward view under the present invention.
Fig. 4 is the vertical supporting construction front view after installing.
Fig. 5 is a wide bracket scheme drawing according to the invention.
Fig. 6 is a middle bracket scheme drawing according to the invention.
Fig. 7 is the middle bracket scheme drawing at long toggle plate according to the invention two ends.
Fig. 8 is the chock scheme drawing that the present invention fixes.
The specific embodiment
Like Fig. 1 and shown in Figure 4, a kind of vertical supporting construction that is used between cargo tank and inner bottom of the present invention comprises the last supporting seat that is positioned at cargo tank one side, the following supporting seat that is positioned at inner bottom one side, first chock 1 and second chock 11; Last supporting seat and following supporting seat be symmetric arrangement up and down; First chock contacts with second chock and places between upper and lower supporting base, and last supporting seat comprises that a base plate 6 and 8, two panels 8 of two panels place a side of base plate 6 and are provided with anti-tripping bracket at base plate 6 and 8 of panels; Opposite side at base plate 6 is provided with the floor vertical with base plate 7; Respectively be provided with chock groove 12 on two panels 8, and on the panel of chock groove both sides, be provided with jack support platform 10 (see figure 2)s, following supporting seat comprises a base plate 61 and two panels 81; Two panels 81 place a side of base plate 61 and are provided with anti-tripping bracket at base plate 61 and 81 of panels; Be provided with on 71, two panels 81 of the floor vertical at the opposite side of base plate 61 and respectively be provided with chock groove 13, and on the panel of chock groove both sides, be provided with jack support platform 10 (see figure 3)s with base plate; First chock 1 places in the chock groove 12 of supporting seat, and second chock 11 places down in the chock groove 13 of supporting seat.Floor 7,71 can be three parallel vertical floors.
Shown in Fig. 5-7; Above-mentioned anti-tripping bracket specifically comprises long toggle plate 2,21 and wide bracket 3,31, and long toggle plate 2,21 and wide bracket 3,31 intersect vertically, and long toggle plate 2,21 and wide bracket 3,31 are isosceles trapezoid; Fillet over the hypotenuse two ends; Be equipped with the middle bracket 4,41 that equidistantly distributes on the two sides of long toggle plate, middle bracket is parallel with wide bracket, and middle bracket is a triangle.Be provided with the short bracket 5,51 littler than middle bracket at the two ends of long toggle plate, short bracket is a triangle, and short bracket 5,51 is used to reinforce jack support platform 10, and middle bracket is used for reinforced panels.The jack support platform 10 of following supporting seat is used to set up the jack (see figure 2), and the jack support platform of last supporting seat is as the jacking face (see figure 3) of jack, and jack provides support for waiting for after assembling that epoxy mortar is done admittedly.
As shown in Figure 8; First chock 1 and second chock 11 are fixed into one through a stainless sheet steel 14; The length and width of first chock are less than the length and width of second chock; Thickness is slightly larger than second chock, and first chock 1 is fixed on through epoxy mortar 9 in the chock groove 12 of supporting seat, and second chock 11 is fixed on down in the chock groove 13 of supporting seat through epoxy mortar 9.And in the chock groove of following supporting seat, being provided with a plurality of perforate 62 (see figure 3)s, convenient in cell body, squeezing sent epoxy mortar.
First chock 1 and second chock 11 are used for bearing and the lateral pressure of transmission fluid cargo hold to hull bottom; First chock and second chock adopt the wooden work of birch lamination; Birch veneer is processed after resin dipping and hot pressing, and mechanical characteristics is strong, mothproof, water-fast, anticracking, good insulating, stable chemical performance; All seamed edges of chock must leave the leg chamfering.
Epoxy mortar is bonded in first chock and second chock in the chock groove of vertical supporting construction, completely fills the gap in chock and chock groove, plays bonding and effect that level up chock; Epoxy mortar generally is made up of two components, mixes stirring during use according to a certain ratio, can construct at normal temperatures, and sagging not, the complete curing time is about 80 hours.According to different epoxy mortar characteristics of product, play the engineering time that the first chock compacting puts in place and be generally 2～4.5 hours but mix from two components; First chock of vertical supporting structure and second chock are filled epoxy mortar thickness and are 5mm.
For guaranteeing down that second chock in the supporting seat accurately installs the filling with epoxy mortar, should be located in earlier on the jack that is arranged in down on the supporting seat during last supporting seat lift-launch.Hydraulic jack is arranged on the jack support platform of supporting seat under the vertical supporting construction by the design drawing requirement.Each jack is the computing machine coordinated control, goes up the whole synchronization lifting of supporting seat or each installation requirement to the skew back up-down to satisfy.
A kind of method that above-mentioned vertical supporting construction is installed of the present invention, cargo tank is fixed together with last supporting seat when installing supporting base, and the above supporting seat weight of institute is very big, and its installing and locating need specifically may further comprise the steps by the lifting of heavily hanging:
The first step; Second chock 11 is fixed with stainless sheet steel; First chock 1 and stainless sheet steel working fastening is placed on down second chock 11 that fixes in the chock groove 13 of supporting seat, and is placed on down four jacks on the jack support platform of supporting seat;
Second step, in the chock groove 12 of last supporting seat, evenly lay epoxy mortar, the amount that can be full of the thick space of 5mm with epoxy mortar is advisable;
In the 3rd step, during supporting seat, the last supporting seat that has laid epoxy mortar is sling in the lift-launch; The chock groove and is supported on four jacks its total weight down, turns down the jack height; A part of weight of supporting seat is dropped on first chock, and the epoxy mortar that lays in the supporting seat chock groove in the first chock compacting is before the compacting; Suitably adjust the position all around of each vertical first chock; Make its midway location that remains on supporting seat chock groove, after the compacting, scrape off the clay that squeezes out around the surrounding edge;
The 4th step, leave standstill the epoxy mortar of keep going up in the supreme supporting seat chock of the supporting seat state groove do solid after, the operation jack will be gone up supporting seat jack-up, and and then will go up supporting seat and sling, sling height is advisable can operate inner bottom side second chock;
In the 5th step,, can be full of greater than the amount in the thick space of 5mm with epoxy mortar and be advisable laying epoxy mortar in the supporting seat chock groove down;
The 6th step, will go up supporting seat again and put down, its total weight is supported on the jack; Progressively will go up supporting seat together with on the located supporting seat down of bonded assembly chock, the epoxy mortar that progressively lays in the supporting seat chock groove under the compacting is after compacting puts in place; Can from the perforate of following supporting seat chock groove bottom, continue inject epoxy mortar in the downward supporting seat chock groove, extrude epoxy mortar, scrape off the epoxy mortar that four limits on every side squeeze out until four limits on every side; Keep jack pressure, treat that epoxy mortar is dried solid;
In the 7th step, after epoxy mortar is done admittedly,, then go up supporting seat and can be supported in down on the supporting seat the jack unloading.
First chock in the above-mentioned first step of the present invention and the concrete fixing step of second chock are: earlier with the stainless sheet steel cutting; The turnover downwards of four limits is to the size that can just second chock, four limits be wrapped up; The broadside interlude upwards turns down to the distance that can just the first chock both sides be clamped; The part that contacts with chock at stainless sheet steel in fixing elder generation before evenly is coated with spreads the molybdenum disulphide grease, on each flanging, opens screw again and with wood screw stainless steel sheet is fixed in second chock surface; First chock is positioned on the stainless sheet steel on the second chock piece, and upwards the interlude and first chock of turnover are fixed above-mentioned broadside with wood screw.
The present invention is with before first chock and last supporting seat chock groove bonding and second chock and the following supporting seat chock groove bonding, and elder generation is at the second chock lower surface and the first chock upper surface thick dried solid epoxy mortar prefabricated film of some 5mm that bonds respectively.
Be located in the process at last supporting seat, should note settling in the supporting construction spatial joint clearance of chock piece to meet the lift-launch accuracy requirement; For guaranteeing above-mentioned spatial joint clearance, hardwood plug-in unit that can prefabricated same thickness is located at last supporting seat and assigns in the process in this space with control gap.The base plate of following supporting seat and the base plate of last supporting seat should be parallel faces in theory; And two panels on the supporting seat also should be in same horizontal surface in theory under being positioned at; Before assembling, answer the horizontality of counter plate to examine the school; Equally, two panels on the last supporting seat also should be on same horizontal surface.
Claims (9)
1. a vertical supporting construction that is used between cargo tank and inner bottom comprises the last supporting seat that is positioned at cargo tank one side, the following supporting seat that is positioned at inner bottom one side, first chock and second chock, it is characterized in that; Said upward supporting seat and following supporting seat be symmetric arrangement up and down; Said upward supporting seat is identical with following clamping support, comprises a base plate and two panels respectively, and two panels place a side of base plate and between base plate and panel, are provided with anti-tripping bracket; Opposite side at base plate is provided with the floor vertical with base plate; Respectively be provided with the chock groove on two panels, and be provided with the jack support platform at the two ends of panel, said first chock places in the chock groove of said upward supporting seat; Second chock places in the chock groove of said supporting seat down, and first chock contacts with second chock.
2. vertical supporting construction according to claim 1 is characterized in that, said anti-tripping bracket comprises long toggle plate and wide bracket, and long toggle plate and wide bracket intersect vertically, and long toggle plate and wide bracket are isosceles trapezoid.
3. vertical supporting construction according to claim 1 is characterized in that, is equipped with the middle bracket that equidistantly distributes on the two sides of said long toggle plate, and middle bracket is a triangle.
4. vertical supporting construction according to claim 1 is characterized in that the length and width of said first chock are less than the length and width of second chock.
5. vertical supporting construction according to claim 4 is characterized in that, is provided with a stainless sheet steel between said first chock and second chock, and stainless sheet steel is provided with flanging, and flanging and first chock and second chock are fixed.
6. vertical supporting construction according to claim 1 is characterized in that, said floor is three floors that laterally arrange.
7. the method that the said vertical supporting construction of claim 1 is installed is characterized in that, may further comprise the steps:
The first step is fixed second chock and stainless sheet steel, and first chock and stainless sheet steel working fastening are placed on down second chock that fixes in the chock groove of supporting seat, and is placed on down four jacks on the jack support platform of supporting seat;
In second step, in the chock groove of last supporting seat, evenly lay epoxy mortar;
The 3rd step; The said last supporting seat that has laid epoxy mortar is sling; The chock groove and is supported on four jacks its total weight down, turns down the jack height; Progressively make a part of weight of supporting seat drop on first chock epoxy mortar that lays in the supporting seat chock groove in the first chock compacting;
The 4th step, leave standstill the epoxy mortar of keep going up in the supreme supporting seat chock of the supporting seat state groove do solid after, the operation jack will be gone up supporting seat jack-up, and and then will go up supporting seat and sling, sling height is advisable with the chock groove that can operate down on the supporting seat;
In the 5th step, lay epoxy mortar in the supporting seat chock groove down said;
The 6th step, will go up supporting seat again and put down, its total weight is supported on the jack; Progressively will go up supporting seat together with on the located supporting seat down of bonded assembly chock, the epoxy mortar that progressively lays in the supporting seat chock groove under the compacting is after compacting puts in place; Continue to inject in the downward supporting seat chock groove epoxy mortar, extrude epoxy mortar, scrape off the epoxy mortar that four limits on every side squeeze out until four limits on every side; Keep jack pressure, treat that epoxy mortar is dried solid;
In the 7th step, after said epoxy mortar is done admittedly,, then go up supporting seat and can be supported in down on the supporting seat said jack unloading.
8. method according to claim 7; It is characterized in that; First chock in the said first step and the concrete fixing step of second chock are: earlier with the stainless sheet steel cutting; The turnover downwards of four limits is to the size that can just second chock, four limits be wrapped up; Upwards turnover is to the distance that can just the first chock both sides be clamped for the broadside interlude, and the part that before fixing, contacts with chock at stainless sheet steel earlier evenly is coated with spreads the molybdenum disulphide grease, on each flanging, opens screw again and with wood screw stainless steel sheet is fixed in second chock surface; First chock is positioned on the stainless sheet steel on the second chock piece, with wood screw the upwards interlude and the first chock working fastening of turnover of above-mentioned broadside.
9. method according to claim 8; It is characterized in that; With said first chock with support the supporting seat bonding and bond with said second chock and following supporting seat before, elder generation is at bond the respectively epoxy mortar prefabricated film of the thick curing of some 5mm of the second chock lower surface and the first chock upper surface.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010501367.3A CN102442408B (en) | 2010-10-09 | 2010-10-09 | Vertical supporting structure for cargo tank and inboard bottom of full-refrigerated liquefied gas carrier and mounting method of vertical supporting structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010501367.3A CN102442408B (en) | 2010-10-09 | 2010-10-09 | Vertical supporting structure for cargo tank and inboard bottom of full-refrigerated liquefied gas carrier and mounting method of vertical supporting structure |
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| CN102442408A true CN102442408A (en) | 2012-05-09 |
| CN102442408B CN102442408B (en) | 2015-05-13 |
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| CN201010501367.3A Active CN102442408B (en) | 2010-10-09 | 2010-10-09 | Vertical supporting structure for cargo tank and inboard bottom of full-refrigerated liquefied gas carrier and mounting method of vertical supporting structure |
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