CN201695379U - Lock catch type connecting and water-stopping device of steel cofferdam - Google Patents
Lock catch type connecting and water-stopping device of steel cofferdam Download PDFInfo
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- CN201695379U CN201695379U CN2010203021219U CN201020302121U CN201695379U CN 201695379 U CN201695379 U CN 201695379U CN 2010203021219 U CN2010203021219 U CN 2010203021219U CN 201020302121 U CN201020302121 U CN 201020302121U CN 201695379 U CN201695379 U CN 201695379U
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- steel
- cofferdam
- stiffener
- shaped steel
- snap close
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Abstract
The utility model relates to a steel cofferdam in a water surrounding structure of a water cap of a large-scale bridge, in particular to a lock catch type connecting and water-stopping device of a steel cofferdam, which is characterized in that the device at least comprises a female joint mechanism and a male joint mechanism, wherein the female joint mechanism is connected with the male joint mechanism through a lock catch type joint lock catch; the male joint mechanism comprises a closed steel pipe male joint, channel steel, a lock catch stiffening plate, a cofferdam stiffening plate, H-shaped steel, a panel and steel connecting with a standard block of the steel cofferdam; and the female joint mechanism comprises an open steel pipe female joint, channel steel, a lock catch stiffening plate, a cofferdam stiffening plate, H-shaped steel, a panel and steel connecting with a standard block of the steel cofferdam. The female joint mechanism is provided with the open steel pipe female joint, the male joint mechanism is provided with the closed steel pipe male joint, and a lock catch of the closed steel pipe male joint is arranged in the open steel pipe female joint. The lock catch type connecting and water-stopping device of the steel cofferdam has the advantages of better maneuverability of lowering the steel cofferdam and more obvious water-stopping effect of the cofferdam by improving the connecting method of segments of the steel cofferdam.
Description
Technical field
The utility model relates to the large bridge underwater support table and encloses steel cofferdam in the water-bound, particularly steel cofferdam bayonet type and connect antipriming.
Background technology
Along with continuing to bring out of China's above-water large-scale bridge, the foundation structure form of group pile cap is generally adopted in the water.Underwater support table generally adopts the enclose water-bound of steel cofferdam as its construction at present.The structure of its steel cofferdam has two kinds of patterns in self-control cofferdam of steel sheet-pile cofferdam and steel plate welding usually.The steel sheet pile of standard adopts bow-shaped structural usually, adopts snap close to connect between the steel sheet pile, and the ratio of rigidity of itself is less, and the stagnant water effect of seam crossing is relatively poor, and the construction environment of morning and evening tides is particularly arranged in the uncomfortable Heshui.And homemade steel cofferdam adopts steel plate and shaped steel to process usually, adopts bolt and rubber connection sealing between the piece section, need be assembled into whole back in advance and adopt large-scale hanging device integral body to transfer on platform, and construction equipment is required height, and difficulty of construction is big.
Summary of the invention
The purpose of this utility model provides and a kind ofly makes transferring of steel cofferdam have better operability by the connected mode of improving between the steel cofferdam piece section, so that construction flexibly, the stagnant water effect that makes the cofferdam more significantly steel cofferdam bayonet type connects antipriming.
The purpose of this utility model is achieved by the following technical solution: the steel cofferdam bayonet type connects antipriming, it is characterized in that: comprise cloudy head mechanism and positive head mechanism at least; Cloudy head mechanism is connected by bayonet type joint snap close with positive head mechanism.
Described positive head mechanism comprises closed steel pipe sun head, channel-section steel, snap close stiffener, cofferdam stiffener, i shaped steel, panel, is connected shaped steel with the steel cofferdam calibrated bolck; The snap close of steel cofferdam is fixed by snap close stiffener and i shaped steel, i shaped steel is connected with panel, and strengthen by the cofferdam stiffener, snap close stiffener and cofferdam stiffener are respectively in the I-shaped groove of the i shaped steel left and right sides, i shaped steel bottom righthand side vertical fixing channel-section steel, make channel-section steel be clamped in the snap close stiffener and stretch out between the lower surface and panel of i shaped steel outer end, the channel-section steel opening to the right; I shaped steel lower-left end vertical fixing is connected shaped steel with the steel cofferdam calibrated bolck, and being connected shaped steel with the steel cofferdam calibrated bolck is the angle steel structure, is connected with the steel cofferdam calibrated bolck in the gap that shaped steel is fixed on panel and stiffener lower end, cofferdam.
Described cloudy head mechanism comprises the cloudy head of opening steel pipe, channel-section steel, the snap close stiffener, the cofferdam stiffener, i shaped steel, panel, be connected shaped steel with the steel cofferdam calibrated bolck, the snap close stiffener, it between the stiffener of cofferdam i shaped steel, snap close stiffener and cofferdam stiffener are respectively in the I-shaped groove of the i shaped steel left and right sides, there is the cloudy head of opening steel pipe at snap close stiffener middle part, the cloudy opening of opening steel pipe is expanded to snap close stiffener outer end, panel is fixed on the i shaped steel bottom and stretches out in the lower surface of i shaped steel outer end flush attachment with the cofferdam stiffener, i shaped steel lower-left end vertical fixing channel-section steel, make channel-section steel be clamped in the snap close stiffener and stretch out between the lower surface and panel of i shaped steel outer end, the channel-section steel opening left; I shaped steel bottom righthand side vertical fixing is connected shaped steel with the steel cofferdam calibrated bolck, and being connected shaped steel with the steel cofferdam calibrated bolck is the angle steel structure, is connected with the steel cofferdam calibrated bolck in the gap that shaped steel is fixed on panel and stiffener lower end, cofferdam.
The utility model has the advantages that: steel cofferdam adopts steel plate, shaped steel welded structure, has effectively strengthened cofferdam piece section self rigidity, and will process Weight control in the scope that common loop wheel machine can lift by crane.Change the splicing between the steel cofferdam piece section into bayonet type by the bolt connection and connect, its bayonet type joint is made up of positive head mechanism and cloudy head mechanism.Its working mechanism is at first the yin, yang joint of bayonet type to be connected with the calibrated bolck section of self-control steel cofferdam respectively, by common loop wheel machine lifting steel cofferdam piece section, and be placed into design attitude, and adopting vibrating hammer to insert then and beat, adjacent piece section connects into integral body at design attitude by snap close.At this moment, the channel steel shape at male and female connector place becomes the form of structure of make-up, forms integral body by past counterpart channel-section steel position grout injection and cofferdam and reaches the sealing purpose.
Description of drawings
Below in conjunction with the embodiment accompanying drawing the utility model is described further.
Fig. 1 is the utility model example structure schematic diagram;
Fig. 2 is cloudy head mechanism layout plan;
Fig. 3 is positive head mechanism layout plan.
Among the figure: 1, the cloudy head of opening steel pipe; 2, closed steel pipe sun head; 3, channel-section steel; 4, snap close stiffener; 5, cofferdam stiffener; 6, i shaped steel; 7, panel; 8, be connected shaped steel with the steel cofferdam calibrated bolck; 9, sealing cavity; 10, bayonet type joint.
The specific embodiment
As shown in Figure 1, the steel cofferdam bayonet type connects antipriming, it is characterized in that: comprise cloudy head mechanism and positive head mechanism at least; Cloudy head mechanism is connected by bayonet type joint 10 snap closes with positive head mechanism.
As shown in Figure 2, cloudy head mechanism comprises cloudy 1 of opening steel pipe, channel-section steel 3, snap close stiffener 4, cofferdam stiffener 5, i shaped steel 6, panel 7, be connected shaped steel 8 with the steel cofferdam calibrated bolck, snap close stiffener 4, it between the cofferdam stiffener 5 i shaped steel 6, snap close stiffener 4 and cofferdam stiffener 5 are respectively in i shaped steel 6 left and right sides I-shaped grooves, there is cloudy 1 of opening steel pipe at snap close stiffener 4 middle parts, cloudy 1 opening of opening steel pipe is expanded to snap close stiffener 4 outer ends, panel 7 is fixed on i shaped steel 6 bottoms and stretches out lower surface flush attachment in i shaped steel 6 outer ends with cofferdam stiffener 5, i shaped steel 6 lower-left end vertical fixing channel-section steels 3, make channel-section steel 3 be clamped in snap close stiffener 4 and stretch out between the lower surface and panel 7 of i shaped steel 6 outer ends, channel-section steel 3 openings left; I shaped steel 6 bottom righthand side vertical fixing are connected shaped steel 8 with the steel cofferdam calibrated bolck, are connected shaped steel 8 with the steel cofferdam calibrated bolck and are the angle steel structure, are connected with the steel cofferdam calibrated bolck in the gap that shaped steel 8 is fixed on panel 7 and cofferdam stiffener 5 lower ends.
As shown in Figure 3, the sun head mechanism comprises positive 2 of closed steel pipe, channel-section steel 3, snap close stiffener 4, cofferdam stiffener 5, i shaped steel 6, panel 7, be connected shaped steel 8 with the steel cofferdam calibrated bolck, snap close stiffener 4, it between the cofferdam stiffener 5 i shaped steel 6, snap close stiffener 4 and cofferdam stiffener 5 are respectively in i shaped steel 6 left and right sides I-shaped grooves, positive 2 of the closed steel pipe of snap close stiffener 4 horizontal fixed, panel 7 is fixed on i shaped steel 6 bottoms and stretches out lower surface flush attachment in i shaped steel 6 outer ends with cofferdam stiffener 5, i shaped steel 6 bottom righthand side vertical fixing channel-section steels 3, make channel-section steel 3 be clamped in snap close stiffener 4 and stretch out between the lower surface and panel 7 of i shaped steel 6 outer ends, channel-section steel 3 openings to the right; I shaped steel 6 lower-left end vertical fixing are connected shaped steel 8 with the steel cofferdam calibrated bolck, are connected shaped steel 8 with the steel cofferdam calibrated bolck and are the angle steel structure, are connected with the steel cofferdam calibrated bolck in the gap that shaped steel 8 is fixed on panel 7 and cofferdam stiffener 5 lower ends.
Cloudy head mechanism has cloudy 1 of opening steel pipe, and positive head mechanism has closed steel pipe sun 2, and closed steel pipe sun 2 latches in cloudy 1 of the opening steel pipe.
The utility model changes the splicing between the steel cofferdam piece section into bayonet type by the bolt connection and connects, its working mechanism is at first the yin, yang joint of bayonet type to be connected with the calibrated bolck section of self-control steel cofferdam respectively, by common loop wheel machine lifting steel cofferdam piece section, and be placed into design attitude, adopt vibrating hammer to insert then and beat, adjacent piece section connects into integral body at design attitude by snap close.At this moment, the channel steel shape at male and female connector place becomes the sealing cavity 9 of make-up, reaches the sealing purpose by forming integral body toward sealing cavity 9 place's grout injections of counterpart channel-section steel 3 positions and cofferdam.
Claims (3)
1. the steel cofferdam bayonet type connects antipriming, it is characterized in that: comprise cloudy head mechanism and positive head mechanism at least; Cloudy head mechanism is connected by bayonet type joint (10) snap close with positive head mechanism.
2. steel cofferdam bayonet type according to claim 1 connects antipriming, it is characterized in that: described positive head mechanism comprises closed steel pipe sun head (2), channel-section steel (3), snap close stiffener (4), cofferdam stiffener (5), i shaped steel (6), panel (7), is connected shaped steel (8) with the steel cofferdam calibrated bolck; The snap close of steel cofferdam is fixing by snap close stiffener (4) and i shaped steel (6), i shaped steel (6) is connected with panel (7), and strengthen by cofferdam stiffener (5), snap close stiffener (4) and cofferdam stiffener (5) are respectively in the I-shaped groove of i shaped steel (6) left and right sides, i shaped steel (6) bottom righthand side vertical fixing channel-section steel (3), make channel-section steel (3) be clamped in snap close stiffener (4) and stretch out between the lower surface and panel (7) of i shaped steel (6) outer end, channel-section steel (3) opening to the right; I shaped steel (6) lower-left end vertical fixing is connected shaped steel (8) with the steel cofferdam calibrated bolck, be connected shaped steel (8) with the steel cofferdam calibrated bolck for the angle steel structure, be connected with the steel cofferdam calibrated bolck in the gap that shaped steel (8) is fixed on panel (7) and cofferdam stiffener (5) lower end.
3. steel cofferdam bayonet type according to claim 1 connects antipriming, it is characterized in that: described cloudy head mechanism comprises the cloudy head of opening steel pipe (1), channel-section steel (3), snap close stiffener (4), cofferdam stiffener (5), i shaped steel (6), panel (7), be connected shaped steel (8) with the steel cofferdam calibrated bolck, snap close stiffener (4), between the cofferdam stiffener (5) i shaped steel (6), snap close stiffener (4) and cofferdam stiffener (5) are respectively in the I-shaped groove of i shaped steel (6) left and right sides, there is the cloudy head of opening steel pipe (1) at snap close stiffener (4) middle part, the cloudy head of opening steel pipe (1) opening is expanded to snap close stiffener (4) outer end, panel (7) is fixed on i shaped steel (6) bottom and stretches out lower surface flush attachment in i shaped steel (6) outer end with cofferdam stiffener (5), i shaped steel (6) lower-left end vertical fixing channel-section steel (3), make channel-section steel (3) be clamped in snap close stiffener (4) and stretch out between the lower surface and panel (7) of i shaped steel (6) outer end, channel-section steel (3) opening left; I shaped steel (6) bottom righthand side vertical fixing is connected shaped steel (8) with the steel cofferdam calibrated bolck, be connected shaped steel (8) with the steel cofferdam calibrated bolck for the angle steel structure, be connected with the steel cofferdam calibrated bolck in the gap that shaped steel (8) is fixed on panel (7) and cofferdam stiffener (5) lower end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010203021219U CN201695379U (en) | 2010-02-02 | 2010-02-02 | Lock catch type connecting and water-stopping device of steel cofferdam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010203021219U CN201695379U (en) | 2010-02-02 | 2010-02-02 | Lock catch type connecting and water-stopping device of steel cofferdam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201695379U true CN201695379U (en) | 2011-01-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010203021219U Expired - Lifetime CN201695379U (en) | 2010-02-02 | 2010-02-02 | Lock catch type connecting and water-stopping device of steel cofferdam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201695379U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102251531A (en) * | 2011-04-29 | 2011-11-23 | 中铁十九局集团第一工程有限公司 | Locking notch casing box cofferdam |
| CN106638639A (en) * | 2016-12-29 | 2017-05-10 | 河南位登建筑工程有限公司 | Steel cover box cofferdam and bridge building device thereof |
-
2010
- 2010-02-02 CN CN2010203021219U patent/CN201695379U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102251531A (en) * | 2011-04-29 | 2011-11-23 | 中铁十九局集团第一工程有限公司 | Locking notch casing box cofferdam |
| CN106638639A (en) * | 2016-12-29 | 2017-05-10 | 河南位登建筑工程有限公司 | Steel cover box cofferdam and bridge building device thereof |
| CN106638639B (en) * | 2016-12-29 | 2019-08-16 | 河南位登建筑工程有限公司 | Steel boxed cofferdam and its bridge construction equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110105 |