CN101886399B - Integrated device of steel boxed cofferdam - Google Patents
Integrated device of steel boxed cofferdam Download PDFInfo
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- CN101886399B CN101886399B CN201010000174XA CN201010000174A CN101886399B CN 101886399 B CN101886399 B CN 101886399B CN 201010000174X A CN201010000174X A CN 201010000174XA CN 201010000174 A CN201010000174 A CN 201010000174A CN 101886399 B CN101886399 B CN 101886399B
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Abstract
The invention discloses an integrated device of a steel boxed cofferdam, comprising a cantilever beam, side walls, a bottom plate, a bottom beam and a suspender. The bottom plate is arranged on the bottom beam, the side walls are arranged around the bottom plate, the cantilever beam is fixedly connected with the opposite side walls, the cantilever beam is fixedly connected with the bottom beam through the suspender, the side walls are connected together by flange plates, two wedge-shaped cushion blocks, flange pressure plates and bolts, the top of the flange pressure plate is fixedly connected with a hoisting ring, and the bottom beam is connected with a pre-reserved wire rope. When the side walls of the integrated device of a steel boxed cofferdam are removed, just the flange pressure plate is elevated through the hoisting ring, and the wedge-shaped cushion block is naturally loose, so that the bolts are loose and completely separated from the flange pressure plate to finish the disassembly without underwater operation. The integrated device of a steel boxed cofferdam solves the problem that disassembly needs underwater operation and the side walls can not be reused.
Description
Technical field
The present invention relates to a kind of cushion cap support system and plate device that is used for subaqueous work, relate in particular to a kind of integrated device of steel boxed cofferdam.
Background technology
In bridge construction process, after the construction of having finished bridge pile foundation, carry out underwater support table when construction, need first assembly unit steel bushing case and transfer, so that the space that bearing platform construction is used is supported, sealed temporarily.At present, there is following shortcoming in the interim single wall steel bushing case fastening of underwater support table construction: base plate is that full steel structure form, single-walled sidewalls can not be had enough to meet the need recycling, the waste resource, contiguous block is plain bolt, cushion block connected mode between steel form, after bearing platform construction is finished during the stripping operation, need carry out underwater demolition operation, constructional difficulties.
Summary of the invention
The integrated device of steel boxed cofferdam that the object of the present invention is to provide a kind of single-walled sidewalls can recycling and not need the deep water bearing platform construction of underwater demolition operation to use.
To achieve these goals, the technical solution used in the present invention is as follows:
Integrated device of steel boxed cofferdam of the present invention comprises outrigger, sidewall, base plate, bottom girder and suspension rod, described bottom girder spaced and parallel is provided with, described base plate is overlapped between the two adjacent foundation beams and with bottom girder and surrounds the hole of passing for pile foundation steel casing, described sidewall vertically is arranged on the described bottom girder, around the described base plate, the two ends of described outrigger are fixedly connected on the top of the described sidewall that is oppositely arranged respectively, and stretch out at two ends to be provided with on the part of sidewall and hang distribution beam, hang distribution beam under the part of described bottom girder two ends outside stretching out described sidewall has, described on, under hang distribution beam and be connected and fixed by suspension rod;
Described sidewall two ends are fixed with flanged plate, described flanged plate is divided into, following two parts, and bolt hole is arranged on it, wherein the upper limb of each bolt hole on the latter half has the opening that is communicated with bolt hole, there is the flange pressing plate in the outside of the latter half of described flanged plate, on the described flange pressing plate, the position of corresponding described flanged plate upper bolt hole also has bolt hole, between described flanged plate and flange pressing plate, the type cushion block is carved at stacked two of each bolt hole place, wherein near the correcting wedge pointed end of flange pressing plate, there is bolt hole at the center, correcting wedge point upward near flanged plate, there is bolt hole at the center, and described bolt hole has the opening towards the tip, described flanged plate on the adjacent wall, with described correcting wedge, described flange pressing plate is connected and fixed by bolt, the top of described flange pressing plate is fixedly connected with hoisting ring, is connected with the reservation wire rope on the described bottom girder.
Fixedly connected between the correcting wedge of described close flanged plate and the described flanged plate, described correcting wedge near the flange pressing plate is fixedlyed connected with described flange pressing plate.
Described every foundation beam two ends are fixed with
Shape stopping means, described base plate are installed between the described stopping means, and described sidewall vertically is arranged on the turning of described stopping means.
Described suspension rod is a fining twisted steel, and described upper and lower hanging has the hole of passing for described suspension rod on the distribution beam, and described suspension rod is connected and fixed the described upper and lower distribution beam of hanging by nut and cushion block.
Described sidewall comprises that at least 4 curved surface sidewall assemblies, 2 face side wall assemblies directly, all side wall assemblies are formed by shaped steel back of the body frame and the steel facing that is welded on the back of the body frame, the shaped steel of the described curved surface sidewall assembly back of the body frame shape that meets at right angles, described steel facing becomes curved surface to be welded between the right-angle side of described right angle type shaped steel back of the body frame, described curved surface sidewall is installed in position, two, and the described side wall assemblies of facing directly is installed in the centre position.
Described sidewall top is provided with hanger, and described outrigger and described sidewall junction are provided with the sidewall stopping means, and is porose in the middle of the described sidewall stopping means, and is connected with hanger on the described sidewall by alignment pin.
Described outrigger is made up of the longeron of two crossbeams and welding in the middle of described crossbeam, and the diagonal angle is welded with two and is inclined cross beam between described adjacent longeron, and described outrigger two ends are welded with two in the position that described rise extension distribution beam is installed and strengthen longerons.
Described base plate is prefabricated concrete plate.
Beneficial effect of the present invention is as follows:
Use integrated device of steel boxed cofferdam of the present invention to carry out the deep water bearing platform construction, can avoid the underwater demolition operation, reduce difficulty of construction, and the novel base plate of this use adopts prefabricated concrete base plate, bottom girder can reuse, and has saved resource.
Description of drawings
Fig. 1 is the structural representation of integrated device of steel boxed cofferdam of the present invention;
Fig. 2 is an integrated device of steel boxed cofferdam side wall construction schematic diagram of the present invention;
Fig. 3 is a base arrangement schematic diagram of the present invention;
Fig. 4 faces the side wall assemblies structural representation directly for the present invention;
Fig. 5 is a curved surface sidewall modular construction schematic diagram of the present invention;
Fig. 6 is the front view of outrigger;
Fig. 7 is the vertical view of outrigger;
Fig. 8 is that amplify at the A place among Fig. 2: sidewall flanged plate connection diagram;
Fig. 9 is the flanged plate structural representation;
Figure 10 is a flange pressure plate structure schematic diagram;
Figure 11 is the front view near the correcting wedge of flanged plate;
Figure 12 is the right view near the correcting wedge of flanged plate;
Figure 13 is the front view near the correcting wedge of flange pressing plate;
Figure 14 is the right view near the correcting wedge of flange pressing plate;
Figure 15 is flanged plate, flange pressing plate assembling schematic diagram;
Figure 16 is the enlarged drawing at B place among Figure 13.
The specific embodiment
Referring to accompanying drawing 1, accompanying drawing 2, accompanying drawing 3, integrated device of steel boxed cofferdam of the present invention comprises outrigger 1, sidewall 2, base plate 3, bottom girder 4, and suspension rod 5, described bottom girder 4 spaced and parallel settings, described base plate 3 is overlapped between the two adjacent foundation beams 4 and with bottom girder 4 and surrounds the hole of passing for pile foundation steel casing 9, described sidewall 2 vertically is arranged on the described bottom girder 4, around the described base plate 3, the two ends of described outrigger 1 are fixedly connected on the top of the described sidewall 2 that is oppositely arranged respectively, and stretch out at two ends to be provided with on the part of sidewall 2 and hang distribution beam 6, hang distribution beam 7 under the part of described bottom girder 4 outside described sidewall 2 is stretched out at two ends has, hang distribution beam 6 on described, under hang distribution beam 7 and be connected and fixed by described suspension rod 5.
Referring to accompanying drawing 1, the two ends of the bottom girder of integrated device of steel boxed cofferdam of the present invention regulation has
Shape stopping means 8, described base plate 3 are installed between the described stopping means 8, and described sidewall 2 vertically is arranged on the turning of described stopping means 8.
Referring to accompanying drawing 2, described sidewall comprises 22,2 of 4 curved surface sidewall assemblies and faces side wall assemblies 21 directly, and described curved surface sidewall assembly 22 is installed in position, two, and the described side wall assemblies 21 of facing directly is installed in the centre position.
Referring to accompanying drawing 4, accompanying drawing 5, all side wall assemblies are formed by shaped steel back of the body frame 11 and the steel facing 10 that is welded on the back of the body frame, the shaped steel of described curved surface sidewall assembly back of the body frame 11 shape that meets at right angles, 10 one-tenths curved surfaces of described steel facing are welded on described right angle type shaped steel and carry on the back between the right-angle side of frame 11.
Referring to accompanying drawing 6, accompanying drawing 7, outrigger among the present invention is made up of the longeron of welding in the middle of two crossbeams and the measurement, the diagonal angle is welded with two and is inclined cross beam between described adjacent longeron, described outrigger two ends are welded with two in the position that described rise extension distribution beam is installed and strengthen longerons 14, and described outrigger and described sidewall junction are provided with sidewall stopping means 13.
Referring to accompanying drawing 8, the flange 15 of adjacent sidewall by being fixed on the sidewall two ends connects, and in the outside of flange 15 flange pressing plate 16 arranged, and flange 15, flange pressing plate 16 are connected and fixed by bolt.
Referring to accompanying drawing 9, described flanged plate is divided into two parts up and down, and bolt hole 17 is arranged on it, and wherein the upper limb of each bolt hole of the latter half has the opening 18 that is communicated with bolt hole.Referring to accompanying drawing 8, on the described flange pressing plate, the position of corresponding described flanged plate upper bolt hole also has bolt hole 17, described flange pressing plate top is fixedly connected with hoisting ring 19.
Referring to accompanying drawing 11, accompanying drawing 12, there is bolt hole at correcting wedge 20 centers of close flanged plate, and described bolt hole has the opening towards the tip.
Referring to accompanying drawing 13, accompanying drawing 14, there is bolt hole at correcting wedge 21 centers of close flange pressing plate.
Referring to accompanying drawing 15, accompanying drawing 16, described flange pressing plate 16, correcting wedge 21, correcting wedge 20, flanged plate 15 set gradually, be connected and fixed by bolt, wherein near the pointed end of the correcting wedge 17 of described flange pressing plate, near correcting wedge 20 point upwards of affiliated flanged plate.
Integrated device of steel boxed cofferdam of the present invention connects the form that adopts flanged plate, flange pressing plate and cushion block at the sidewall of the underwater portion of steel bushing case, the convenient dismounting.Specifically when carrying out the form removable operation, utilize the hoisting ring 19 on the flange pressing plate upwards to lift the flange pressing plate, become flexible naturally correcting wedge 20, correcting wedge 21 stressed backs, then set bolt is loosened automatically, and set bolt is pulled out from the opening that is communicated with bolt hole, thereby breaks away from flanged plate 15, finish the underwater demolition work of connecting bolt between steel form, avoid the bolt and the dismounting of steel bushing case of underwater operation, reduced construction difficulty, convenient, practical, effective.
Integrated device of steel boxed cofferdam bearing platform construction of the present invention finishes when removing, at first unclamp suspension rod, it is connected on the operation platform steel pipe pile temporarily, make it continue to support integrated device of steel boxed cofferdam, remove alignment pin between outrigger and sidewall then, remove outrigger, then remove sidewall flange pressing plate, utilize the hanger orderly release of top side wall to face directly, the curved face type sidewall, remove suspension rod at last, and utilize to reserve wire rope the steel bottom girder is proposed.
Claims (8)
1. integrated device of steel boxed cofferdam, it is characterized in that: comprise outrigger, sidewall, base plate, bottom girder and suspension rod, described bottom girder spaced and parallel is provided with, described base plate is overlapped between the two adjacent foundation beams and with bottom girder and surrounds the hole of passing for pile foundation steel casing, described sidewall vertically is arranged on the described bottom girder, around the described base plate, the two ends of described outrigger are fixedly connected on the top of the described sidewall that is oppositely arranged respectively, and stretch out at two ends to be provided with on the part of sidewall and hang distribution beam, hang distribution beam under the part of described bottom girder two ends outside stretching out described sidewall has, described on, under hang distribution beam and be connected and fixed by suspension rod;
Described sidewall two ends are fixed with flanged plate, described flanged plate is divided into, following two parts, and bolt hole is arranged on it, wherein the upper limb of each bolt hole on the latter half has the opening that is communicated with bolt hole, there is the flange pressing plate in the outside of the latter half of described flanged plate, on the described flange pressing plate, the position of corresponding described flanged plate upper bolt hole also has bolt hole, between described flanged plate and flange pressing plate, the stacked two wedge type cushion blocks in each bolt hole place, wherein near the correcting wedge pointed end of flange pressing plate, there is bolt hole at the center, correcting wedge point upward near flanged plate, there is bolt hole at the center, and described bolt hole has the opening towards the tip, described flanged plate on the adjacent wall, with described correcting wedge, described flange pressing plate is connected and fixed by bolt, the top of described flange pressing plate is fixedly connected with hoisting ring, is connected with the reservation wire rope on the described bottom girder.
2. integrated device of steel boxed cofferdam according to claim 1 is characterized in that: fixedly connected between the correcting wedge of described close flanged plate and the described flanged plate, described correcting wedge near the flange pressing plate is fixedlyed connected with described flange pressing plate.
3. integrated device of steel boxed cofferdam according to claim 1 is characterized in that: every described bottom girder two ends are fixed with
Shape stopping means, described base plate are installed between the described stopping means, and described sidewall vertically is arranged on the turning of described stopping means.
4. integrated device of steel boxed cofferdam according to claim 1, it is characterized in that: described suspension rod is a fining twisted steel, described upper and lower hanging has the hole of passing for described suspension rod on the distribution beam, described suspension rod is connected and fixed the described upper and lower distribution beam of hanging by nut and cushion block.
5. integrated device of steel boxed cofferdam according to claim 1, it is characterized in that: described sidewall comprises that at least 4 curved surface sidewall assemblies, 2 face side wall assemblies directly, all side wall assemblies are formed by shaped steel back of the body frame and the steel facing that is welded on the back of the body frame, the shaped steel of the described curved surface sidewall assembly back of the body frame shape that meets at right angles, described steel facing becomes curved surface to be welded between the right-angle side of right angle type shaped steel back of the body frame, described curved surface sidewall assembly is installed in position, two, and the described side wall assemblies of facing directly is installed in the centre position.
6. integrated device of steel boxed cofferdam according to claim 1, it is characterized in that: described sidewall top is provided with hanger, described outrigger and described sidewall junction are provided with the sidewall stopping means, and be porose in the middle of the described sidewall stopping means, and be connected with hanger on the described sidewall by alignment pin.
7. integrated device of steel boxed cofferdam according to claim 1, it is characterized in that: described outrigger is made up of the longeron of two crossbeams and welding in the middle of described crossbeam, the diagonal angle is welded with two and is inclined cross beam between adjacent described longeron, and distribution beam is hung at described outrigger two ends on installation is described position is welded with two reinforcement longerons.
8. integrated device of steel boxed cofferdam according to claim 1 is characterized in that: described base plate is prefabricated concrete plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010000174XA CN101886399B (en) | 2010-01-07 | 2010-01-07 | Integrated device of steel boxed cofferdam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010000174XA CN101886399B (en) | 2010-01-07 | 2010-01-07 | Integrated device of steel boxed cofferdam |
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| Publication Number | Publication Date |
|---|---|
| CN101886399A CN101886399A (en) | 2010-11-17 |
| CN101886399B true CN101886399B (en) | 2011-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201010000174XA Active CN101886399B (en) | 2010-01-07 | 2010-01-07 | Integrated device of steel boxed cofferdam |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102154989A (en) * | 2011-04-29 | 2011-08-17 | 中铁大桥局集团第六工程有限公司 | Steel-concrete structure hanging box and dismantling method thereof |
| CN103343545B (en) * | 2013-07-17 | 2015-04-29 | 中交二航局第三工程有限公司 | Steel hanging box flexible hanging device |
| CN107313416B (en) * | 2017-07-07 | 2020-02-07 | 中交二航局第三工程有限公司 | Hydraulic component assembled type water prefabricated platform and prefabricating method |
| CN108677680A (en) * | 2018-07-27 | 2018-10-19 | 中国铁建大桥工程局集团有限公司 | A kind of steel reinforced concrete assembled steel hanging box structure |
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| CN101886399A (en) | 2010-11-17 |
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Address after: 100024 Beijing, Guanzhuang, Chaoyang District, Zhou Co-patentee after: THE THIRD ENGINEERING Co.,Ltd. OF THE HIGHWAY ENGINEERING BUREAU OF CCCC Patentee after: CCCC FIRST HIGHWAY ENGINEERING GROUP Co.,Ltd. Address before: 100024 Beijing, Guanzhuang, Chaoyang District, Zhou Co-patentee before: THE THIRD ENGINEERING Co.,Ltd. OF THE HIGHWAY ENGINEERING BUREAU OF CCCC Patentee before: CCCC FIRST HIGHWAY ENGINEERING Co.,Ltd. |