CN202039374U - Counterbore sleeve box cofferdam - Google Patents
Counterbore sleeve box cofferdam Download PDFInfo
- Publication number
- CN202039374U CN202039374U CN201120133997XU CN201120133997U CN202039374U CN 202039374 U CN202039374 U CN 202039374U CN 201120133997X U CN201120133997X U CN 201120133997XU CN 201120133997 U CN201120133997 U CN 201120133997U CN 202039374 U CN202039374 U CN 202039374U
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- China
- Prior art keywords
- cofferdam
- fore shaft
- rib
- plate
- counterbore
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Abstract
The utility model discloses a counterbore sleeve box cofferdam and resolves the technical problem that an existing underwater assembly counterbore part of a steel cofferdam is easy to leak. The fore-shaft boxed cofferdam comprises a cofferdam left side plate (1) and a cofferdam right side plate (7), wherein the cofferdam side plates are divided into pieces according to the plane size of the cofferdam, each cofferdam joint is provided with a counterbore sleeve, and the counterbore sleeve is a snap fastener. The outer lateral side of the cofferdam left side plate (1) is connected with a secondary conterbore sleeve steel tube (6) through a left vertical rib (4) and a secondary counterbore sleeve transverse rib (5), the outer lateral side of the cofferdam right side plate (7) is connected with a primary counterbore sleeve steel tube (12) through right vertical rib (10) and a primary counterbore sleeve transverse rib (11), a left channel steel (3) and a right channel steel (4) are fastened together to form a closed seal water sealing sump (13). The secondary counterbore sleeve steel tube (6) arranged at the right end of the secondary counterbore sleeve transverse rib (5) is movably positioned in the primary counterbore sleeve steel tube (12) with a notch. The counterbore sleeve boxed cofferdam provides simple, practical and efficient equipment to civil construction of an underwater bearing platform of a pier.
Description
Technical field
The present invention relates to a kind of civil engineering equipment, particularly a kind of bridge pier precast-boxed cofferdam of bearing platform construction under water that is used for.
Background technology
In bridge pier cushion cap civil engineering under water process, be applied to the steel bushing case.General steel bushing case in processing factory's piecemeal customization, was transported to the scene before this then, and piecemeal is assembled into an integral body again, the last whole job site that sinks to navigating to.This course of work not only needs large-scale lifting appliance, and has the problem that is difficult to accurately sink the location.If piecemeal closes up into the cofferdam after sinking again, it is bad that the processing of slit, place is closed up in existence, the accident of seepage often occurs.
Summary of the invention
The invention provides provides a kind of fore shaft precast-boxed cofferdam, has solved existing steel cofferdam and has occurred the technical problem of seepage easily in assembly unit fore shaft position under water.
The present invention overcomes the above problems by following scheme:
A kind of fore shaft precast-boxed cofferdam, comprise cofferdam left plate and cofferdam right plate, the space is provided with left cross rib abreast on the lateral surface of described cofferdam left plate, right-hand member at left cross rib is welded with notch left channel-section steel to the right, and the right-hand member of the inner side edge of left channel-section steel and cofferdam left plate is fixed and welded together; The space is provided with right cross rib abreast on the lateral surface of described cofferdam right plate, be welded with notch right channel-section steel left at the left end of right cross rib, and the left end of the inner side edge of right channel-section steel and cofferdam right plate is fixed and welded together; The space is fixedly welded with the perpendicular rib in a left side vertical with the cofferdam left plate abreast on the lateral surface of cofferdam left plate, the space is fixedly welded with and the perpendicular vertical sub-fore shaft cross rib of rib in a left side abreast on the right flank of the perpendicular rib in a left side, right-hand member at sub-fore shaft cross rib is welded with sub-fore shaft steel pipe, and sub-fore shaft steel pipe is parallel with the cofferdam left plate; The space is fixedly welded with the perpendicular rib in the right side vertical with the cofferdam right plate abreast on the lateral surface of cofferdam right plate, the space is fixedly welded with and the right perpendicular vertical female fore shaft cross rib of rib abreast on the left surface of the perpendicular rib in the right side, left end at female fore shaft cross rib is welded with female fore shaft steel pipe, female fore shaft steel pipe is parallel with the cofferdam right plate, is provided with breach at the left surface of female fore shaft steel pipe; When cofferdam left plate and cofferdam right plate were bolted together, described left channel-section steel and right channel-section steel snapped together the water shutoff storehouse of forming sealing, and the sub-fore shaft steel pipe that is arranged on the right-hand member of sub-fore shaft cross rib is actively socketed in the female fore shaft steel pipe that has breach.
When cofferdam left plate and cofferdam right plate are bolted together, the peripheral common standby water shutoff storehouse of forming in the perpendicular rib in a left side, sub-fore shaft cross rib, female fore shaft cross rib, right perpendicular rib and water shutoff storehouse, in standby water shutoff storehouse, be perfused with clay-cement mortar, be perfused with the mortar that flocculates under water in the water shutoff storehouse.
The present invention has promptly made things convenient for the transportation in steel bushing cofferdam, has solved again to carry out assembly unit at the construction field (site) and occur leakage problems easily, is bridge pier cushion cap civil engineering under water, provides simple, practical and construction equipment efficiently.
Description of drawings
Fig. 1 is the structural representation before fore shaft of the present invention connects
Fig. 2 is the structural representation after fore shaft of the present invention connects.
Specific embodiment
A kind of fore shaft precast-boxed cofferdam, comprise cofferdam left plate 1 and cofferdam right plate 7, the space is provided with left cross rib 2 abreast on the lateral surface of described cofferdam left plate 1, right-hand member at left cross rib 2 is welded with notch left channel-section steel 3 to the right, and the right-hand member of the inner side edge of left channel-section steel 3 and cofferdam left plate 1 is fixed and welded together; The space is provided with right cross rib 8 abreast on the lateral surface of described cofferdam right plate 7, be welded with notch right channel-section steel 9 left at the left end of right cross rib 8, and the left end of the inner side edge of right channel-section steel 9 and cofferdam right plate 7 is fixed and welded together; The space is fixedly welded with the perpendicular rib 4 in a left side vertical with cofferdam left plate 1 abreast on the lateral surface of cofferdam left plate 1, the space is fixedly welded with abreast with a left side and erects the vertical sub-fore shaft cross rib 5 of rib 4 on the right flank of the perpendicular rib 4 in a left side, right-hand member at sub-fore shaft cross rib 5 is welded with sub-fore shaft steel pipe 6, and sub-fore shaft steel pipe 6 be arranged in parallel with cofferdam left plate 1; The space is fixedly welded with the perpendicular rib 10 in the right side vertical with cofferdam right plate 7 abreast on the lateral surface of cofferdam right plate 7, the space is fixedly welded with and the right vertical female fore shaft cross rib 11 of rib 10 that erects abreast on the left surface of the perpendicular rib 10 in the right side, left end at female fore shaft cross rib 11 is welded with female fore shaft steel pipe 12, female fore shaft steel pipe 12 be arranged in parallel with cofferdam right plate 7, is provided with breach at the left surface of female fore shaft steel pipe 12; When cofferdam left plate 1 and cofferdam right plate 7 are bolted together, described left channel-section steel 3 snaps together the water shutoff storehouse 13 of forming sealing with right channel-section steel 9, and the sub-fore shaft steel pipe 6 that is arranged on the right-hand member of sub-fore shaft cross rib 5 is actively socketed in the female fore shaft steel pipe 12 that has breach.
When cofferdam left plate 1 and cofferdam right plate 7 are bolted together, the peripheral common standby water shutoff storehouse 14 of forming in the perpendicular rib 4 in a left side, sub-fore shaft cross rib 5, female fore shaft cross rib 11, right perpendicular rib 10 and water shutoff storehouse 13, in standby water shutoff storehouse 14, be perfused with clay-cement mortar, be perfused with the mortar that flocculates under water in water shutoff storehouse 13.
During concrete the construction, after the drilled pile completion, remove drilling platform waterborne, keep guide pile, be used for the cofferdam protection, slotting steel cofferdam under the on-the-spot piecemeal of support and guide beam is closely connected between the left channel-section steel 3 of assurance and 9 liang of teeth of right channel-section steel in the following slotting process in the installation steel boxed cofferdam, sub-fore shaft steel pipe 6 accurate insertions among female fore shaft steel pipe 12.Be scavenged into the end in the cofferdam, the mortar that flocculates under the priming petock in water shutoff storehouse 13 behind the back cover under water also can pour into clay-cement mortar in case of necessity in standby water shutoff storehouse 14.After the water shutoff success, can draw water and carry out bearing platform construction.
Claims (2)
1. fore shaft precast-boxed cofferdam, comprise cofferdam left plate (1) and cofferdam right plate (7), it is characterized in that, the space is provided with left cross rib (2) abreast on the lateral surface of described cofferdam left plate (1), right-hand member at left cross rib (2) is welded with notch left channel-section steel (3) to the right, and the right-hand member of the inner side edge of left channel-section steel (3) and cofferdam left plate (1) is fixed and welded together; The space is provided with right cross rib (8) abreast on the lateral surface of described cofferdam right plate (7), left end at right cross rib (8) is welded with notch right channel-section steel (9) left, and the left end of the inner side edge of right channel-section steel (9) and cofferdam right plate (7) is fixed and welded together; The space is fixedly welded with the perpendicular rib (4) in a left side vertical with cofferdam left plate (1) abreast on the lateral surface of cofferdam left plate (1), the space is fixedly welded with and the perpendicular vertical sub-fore shaft cross rib (5) of rib (4) in a left side abreast on the right flank of the perpendicular rib (4) in a left side, right-hand member at sub-fore shaft cross rib (5) is welded with sub-fore shaft steel pipe (6), and sub-fore shaft steel pipe (6) be arranged in parallel with cofferdam left plate (1); The space is fixedly welded with the perpendicular rib (10) in the right side vertical with cofferdam right plate (7) abreast on the lateral surface of cofferdam right plate (7), the space is fixedly welded with and the right perpendicular vertical female fore shaft cross rib (11) of rib (10) abreast on the left surface of the perpendicular rib (10) in the right side, left end at female fore shaft cross rib (11) is welded with female fore shaft steel pipe (12), female fore shaft steel pipe (12) be arranged in parallel with cofferdam right plate (7), is provided with breach at the left surface of female fore shaft steel pipe (12); When cofferdam left plate (1) and cofferdam right plate (7) when being bolted together, described left channel-section steel (3) and right channel-section steel (9) snap together the water shutoff storehouse (13) of forming sealing, and the sub-fore shaft steel pipe (6) that is arranged on the right-hand member of sub-fore shaft cross rib (5) is movably arranged in the female fore shaft steel pipe (12) that has breach.
2. a kind of fore shaft precast-boxed cofferdam according to claim 1, it is characterized in that, when cofferdam left plate (1) and cofferdam right plate (7) when being bolted together, the perpendicular rib (4) in a left side, sub-fore shaft cross rib (5), female fore shaft cross rib (11), the right peripheral common standby water shutoff storehouse (14) of forming of erecting rib (10) and water shutoff storehouse (13), in standby water shutoff storehouse (14), be perfused with clay-cement mortar, be perfused with the mortar that flocculates under water in water shutoff storehouse (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120133997XU CN202039374U (en) | 2011-04-29 | 2011-04-29 | Counterbore sleeve box cofferdam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120133997XU CN202039374U (en) | 2011-04-29 | 2011-04-29 | Counterbore sleeve box cofferdam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202039374U true CN202039374U (en) | 2011-11-16 |
Family
ID=44966824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120133997XU Expired - Lifetime CN202039374U (en) | 2011-04-29 | 2011-04-29 | Counterbore sleeve box cofferdam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202039374U (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 |
| CN110593285A (en) * | 2019-08-06 | 2019-12-20 | 中国十九冶集团有限公司 | Plugging structure for underwater pouring foundation for double-wall steel cofferdam construction and construction method |
-
2011
- 2011-04-29 CN CN201120133997XU patent/CN202039374U/en not_active Expired - Lifetime
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 |
| CN110593285A (en) * | 2019-08-06 | 2019-12-20 | 中国十九冶集团有限公司 | Plugging structure for underwater pouring foundation for double-wall steel cofferdam construction and construction method |
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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: 20111116 |