CN111764416A - Highway bridge construction cofferdam device - Google Patents
Highway bridge construction cofferdam device Download PDFInfo
- Publication number
- CN111764416A CN111764416A CN201910263556.2A CN201910263556A CN111764416A CN 111764416 A CN111764416 A CN 111764416A CN 201910263556 A CN201910263556 A CN 201910263556A CN 111764416 A CN111764416 A CN 111764416A
- Authority
- CN
- China
- Prior art keywords
- water
- stop sheet
- resisting
- plate
- assembly
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/02—Restraining of open water
- E02D19/04—Restraining of open water by coffer-dams, e.g. made of sheet piles
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Special Wing (AREA)
Abstract
The invention discloses a highway bridge construction cofferdam device, which comprises a travelling mechanism, a guide assembly, a positioning assembly, a water-resisting assembly and a drainage assembly, wherein the guide assembly is arranged on the travelling mechanism; the water-resisting components are connected in sequence and then enclose a water-resisting wall body, and each water-resisting component is installed through a positioning component; a drainage assembly is arranged on the waterproof assembly; the water-resisting component comprises an inner water-resisting plate and an outer water-resisting plate; an interval is arranged between the inner water-stop sheet and the outer water-stop sheet, and an inner arc-shaped groove which is bent towards the inner side is formed in the inner water-stop sheet; the outer water-stop sheet is provided with an outer arc-shaped groove corresponding to the inner arc-shaped groove; the inner arc-shaped groove and the outer arc-shaped groove form a channel for the positioning column to pass through; the outer water-stop sheet and the bottom of the inner water-stop sheet are provided with a plurality of fixing piles at equal intervals. The invention has convenient construction and high efficiency.
Description
Technical Field
The invention belongs to the technical field of highway bridge construction, and particularly relates to a highway bridge construction cofferdam device.
Background
The cofferdam is a temporary maintenance structure which is constructed for constructing permanent water conservancy equipment in the water conservancy project construction, has the function of preventing water and soil from entering the construction position of a building so as to drain water in the cofferdam, excavate a substrate and construct the building, and is generally mainly used in hydraulic buildings. The existing cofferdam is troublesome in construction and low in efficiency.
Disclosure of Invention
The invention aims to provide a cofferdam device for highway bridge construction, which is convenient to construct.
In order to solve the technical problems, the invention adopts the following technical scheme: a highway bridge construction cofferdam device comprises a travelling mechanism, a guide assembly, a positioning assembly, a water isolating assembly and a drainage assembly; the guide assembly is driven to move by the traveling mechanism; the positioning assembly is guided by the guide assembly and then fixedly installed, the water-resisting assemblies are sequentially connected and then enclosed to form a water-resisting wall body, and each water-resisting assembly is installed through the positioning assembly; the water-resisting component is provided with the drainage component;
the guide assembly is arranged at the top of the travelling mechanism and comprises a guide cylinder and a connecting arm, one end of the connecting arm is welded with the guide cylinder, and the other end of the connecting arm is connected with the travelling mechanism through a bolt; the guide cylinder is of a hollow structure, and the side wall of the guide cylinder is provided with a strip-shaped notch penetrating through the whole guide cylinder;
the positioning assembly comprises a pair of positioning columns and a connecting plate connected with the positioning columns;
the water-resisting component comprises an inner water-resisting plate and an outer water-resisting plate; a gap is arranged between the inner water-stop sheet and the outer water-stop sheet, two ends of the inner water-stop sheet and two ends of the outer water-stop sheet are connected through reinforcing plates, and the reinforcing plates are welded with the inner water-stop sheet and the outer water-stop sheet on two sides of the reinforcing plates; the inner water-stop sheet is provided with an inner arc-shaped groove bent towards the inner side; the outer water-stop sheet is provided with an outer arc-shaped groove corresponding to the inner arc-shaped groove; the inner arc-shaped groove and the outer arc-shaped groove form a channel for the positioning column to pass through;
a plurality of fixing piles are arranged at the bottoms of the outer water-stop sheet and the inner water-stop sheet at equal intervals;
the drainage assembly comprises a water inlet arranged at the bottom of the inner water-stop sheet and a water outlet arranged at the top of the inner water-stop sheet, a water flow channel is arranged in the inner water-stop sheet, and a water pump is arranged in the water flow channel.
Furthermore, the walking mechanism comprises a walking frame and walking wheels arranged on two sides of the walking frame, two walking wheels on a diagonal line of the walking frame are driving wheels, two walking wheels on the other diagonal line of the walking frame are driven wheels, and the two walking wheels on the same side of the walking frame are connected through a crawler; the walking frame is connected with the cantilever through the lifting assembly.
Furthermore, the lifting assembly comprises a pair of telescopic columns arranged at the front end and the rear end of the top of the walking frame, a cross frame is arranged at the tops of the telescopic columns, and two sides of the bottom of the cross frame are respectively connected with the two telescopic columns; one end of the transverse frame is provided with a cantilever.
Furthermore, the cantilever is connected with the cross frame through an angle adjusting device, the angle adjusting device comprises a shaft body arranged on the cantilever, and two ends of the shaft body are fixedly connected with the cantilever; a first gear is fixedly arranged in the middle of the shaft body and is meshed with a second gear driving the first gear to rotate; the second gear is driven by an angle adjusting motor, and the angle adjusting motor is fixed on the cross frame through a motor support.
Furthermore, an electric bolt is arranged on the guide cylinder, and a bolt hole is formed in the positioning column.
Furthermore, the bottoms of the inner water-stop sheet and the outer water-stop sheet are of conical structures; the bottom of the fixing pile is a cone.
Furthermore, the cofferdam device also comprises an anti-seepage layer arranged at the bottom; the bottom of the inner water-stop sheet is provided with a fixed edge, a pressing edge is arranged above the fixed edge, the pressing edge is connected with the fixed edge through a fastening bolt, and the lower surface of the pressing edge and the upper surface of the fixed edge are provided with sealing rings.
Furthermore, two ends of a water-proof wall formed by the water-proof components are also provided with end water-proof units, and each end water-proof unit comprises a water-proof substrate with an adjustable bottom angle and a shell arranged on the upper part of the water-proof substrate; an opening is formed in the bottom of the shell, an inflatable sealing element is arranged on the shell, and the inflatable sealing element seals a gap between the waterproof substrate and the shell; the triangle is a telescopic plate.
Further, the shell comprises a left side plate, a front side plate, a rear side plate and a right side plate; the right side plate is a telescopic plate; two ends of the waterproof substrate are respectively connected to the bottoms of the right side plate and the left side plate; the waterproof substrate and the right side plate are both telescopic plates; the front side plate and the rear side plate comprise a triangular plate at the upper part and an arc plate at the lower part which can rotate; an inflatable expansion sealing element is arranged in the shell to seal gaps among the plate bodies; the front and rear side plates are telescopic plates.
The invention has the beneficial effects that: the cofferdam device is formed by assembling a plurality of water-resisting components, adjacent water-resisting components are connected through a sealing piece and a buckle interface, when the water-resisting components are installed, the walking components are firstly driven to the positions needing to be installed, then the guiding components are descended through the telescopic columns, the positioning columns are positioned, the verticality of the installation of the water-resisting components is guaranteed, then the inner-layer water-resisting plate and the outer-layer water-resisting plate are connected through the reinforcing plate and fixed through the fixing piles, and finally the anti-seepage layer is installed.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments are briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of the connection between the running mechanism and the guiding assembly of the present invention.
Fig. 2 is a schematic view of the connection between the guiding assembly and the positioning assembly.
Fig. 3 is a schematic view of the connection between the positioning assembly and the water-stop assembly.
Fig. 4 is a side view of a drain assembly.
FIG. 5 is a schematic view of the connection of the water-stop assembly to the impermeable laminate.
Fig. 6 is a schematic view of a water-stop assembly with an end water-stop unit.
Fig. 7 is a schematic structural view of the end water-stop unit.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
As shown in fig. 1-7, the cofferdam device for highway bridge construction of the present invention comprises a traveling mechanism, a guiding component, a positioning component, a water-resisting component and a drainage component; the guide assembly is driven to move by the traveling mechanism; the positioning assembly is guided by the guide assembly and then fixedly installed, the water-resisting assemblies are sequentially connected and then enclosed to form a water-resisting wall body, and each water-resisting assembly is installed through the positioning assembly; the water-resisting component is provided with the drainage component;
the guide assembly is arranged at the top of the travelling mechanism and comprises a guide cylinder 11 and a connecting arm 12, one end of the connecting arm 12 is welded with the guide cylinder 11, and the other end of the connecting arm is connected with the travelling mechanism through a bolt; the guide cylinder 11 is of a hollow structure, and the side wall of the guide cylinder is provided with a strip-shaped notch 111 penetrating through the whole guide cylinder 11;
the positioning assembly comprises a pair of positioning columns 21 and a connecting plate 22 connected with the positioning columns 21;
the water-resisting component comprises an inner water-resisting plate 31 and an outer water-resisting plate 32; a gap 33 is arranged between the inner water-stop sheet 31 and the outer water-stop sheet 32, two ends of the inner water-stop sheet 31 and two ends of the outer water-stop sheet 32 are connected through a reinforcing plate 331, and the reinforcing plate 331 is welded with the inner water-stop sheet 31 and the outer water-stop sheet 32 on two sides of the reinforcing plate 331; the inner layer water-stop sheet 31 is provided with an inner arc groove 34 which is bent towards the inner side; the outer water-stop sheet 32 is provided with an outer arc-shaped groove 35 corresponding to the inner arc-shaped groove 34; the inner arc-shaped groove 34 and the outer arc-shaped groove 35 form a channel for the positioning column 21 to pass through;
a plurality of fixing piles 36 are arranged at the bottoms of the outer water-stop sheet 31 and the inner water-stop sheet 32 at equal intervals;
the drainage assembly comprises a water inlet 41 arranged at the bottom of the inner water-stop sheet 32 and a water outlet 42 arranged at the top of the inner water-stop sheet 32, a water flow channel 43 is arranged in the inner water-stop sheet 32, and a water pump 44 is arranged in the water flow channel 43.
The walking mechanism comprises a walking frame 51 and walking wheels arranged at two sides of the walking frame 51, wherein two walking wheels on a diagonal line of the walking frame 51 are driving wheels, two walking wheels on the other diagonal line of the walking frame 51 are driven wheels, and the two walking wheels positioned at the same side of the walking frame 51 are connected through a crawler belt 52; the walking frame 51 is connected with a cantilever 55 through a lifting assembly.
The lifting assembly comprises a pair of telescopic columns 53 arranged at the front end and the rear end of the top of the walking frame 51, a cross frame 54 is arranged at the top of the telescopic columns 53, and two sides of the bottom of the cross frame are respectively connected with the two telescopic columns 53; a cantilever 55 is mounted at one end of the cross frame 54.
The cantilever 55 of the invention is connected with the cross frame 54 through an angle adjusting device, the angle adjusting device comprises a shaft body 56 arranged on the cantilever 55, and two ends of the shaft body 56 are fixedly connected with the cantilever 55; a first gear 57 is fixedly arranged in the middle of the shaft body 56, and the first gear 57 is meshed with a second gear 58 for driving the first gear to rotate; the second gear 58 is driven by an angle adjustment motor 59, and the angle adjustment motor 59 is fixed to the cross frame 54 through a motor support.
The guide cylinder 11 of the invention is provided with an electric bolt 112, and the positioning column 21 is provided with a bolt hole 211.
The bottoms of the inner water-stop sheet 31 and the outer water-stop sheet 32 are in a conical structure; the bottom of the fixing pile 36 is a cone.
The cofferdam device also comprises an anti-seepage layer 6 arranged at the bottom; the bottom of the inner water-stop sheet 32 is provided with a fixing edge 321, a pressing edge 322 is arranged above the fixing edge 321, the pressing edge 322 is connected with the fixing edge 321 through a fastening bolt, and sealing rings are arranged on the lower surface of the pressing edge 322 and the upper surface of the fixing edge 321.
Two ends of a water-stop wall formed by the water-stop component are also provided with end water-stop units, and each end water-stop unit comprises a water-stop base plate 71 with an adjustable bottom angle and a shell 72 arranged on the upper part of the water-stop base plate 71; an opening is formed in the bottom of the casing 72, and an inflatable sealing member is arranged on the casing 72 and seals a gap between the water-stop substrate 71 and the casing 72.
The housing 72 of the present invention includes a left side plate 711, a front-rear side plate 712, and a right side plate 713; the right side plate 711 is a telescopic plate; two ends of the water-stop substrate 71 are respectively jointed with the bottoms of the right side plate 713 and the left side plate 711; the waterproof substrate 71 and the right side plate 713 are both expansion plates; the front and rear side plates 712 include an upper triangular plate and a lower rotatable arc plate; an inflatable sealing element is arranged in the shell 72 to seal gaps among the plate bodies. The triangle is a telescopic plate.
The working principle of the invention is as follows: the cofferdam device is formed by assembling a plurality of water-resisting components, adjacent water-resisting components are connected through a sealing piece and a buckle interface, when the water-resisting components are installed, the walking components are firstly driven to the positions needing to be installed, then the guiding components are descended through the telescopic columns, the positioning columns are positioned, the verticality of the installation of the water-resisting components is guaranteed, then the inner-layer water-resisting plate and the outer-layer water-resisting plate are connected through the reinforcing plate and fixed through the fixing piles, and finally the anti-seepage layer is installed.
The above-mentioned embodiments are merely descriptions of the preferred embodiments of the present invention, and do not limit the concept and scope of the present invention, and various modifications and improvements made to the technical solutions of the present invention by those skilled in the art should fall into the protection scope of the present invention without departing from the design concept of the present invention, and the technical contents of the present invention as claimed are all described in the technical claims.
Claims (9)
1. The utility model provides a public road bridge roof beam construction cofferdam device which characterized in that: the device comprises a travelling mechanism, a guide assembly, a positioning assembly, a water-resisting assembly and a drainage assembly; the guide assembly is driven to move by the traveling mechanism; the positioning assembly is guided by the guide assembly and then fixedly installed, the water-resisting assemblies are sequentially connected and then enclosed to form a water-resisting wall body, and each water-resisting assembly is installed through the positioning assembly; the water-resisting component is provided with the drainage component;
the guide assembly is arranged at the top of the travelling mechanism and comprises a guide cylinder (11) and a connecting arm (12), one end of the connecting arm (12) is welded with the guide cylinder (11), and the other end of the connecting arm is connected with the travelling mechanism through a bolt; the guide cylinder (11) is of a hollow structure, and the side wall of the guide cylinder is provided with a strip-shaped notch (111) penetrating through the whole guide cylinder (11);
the positioning assembly comprises a pair of positioning columns (21) and a connecting plate (22) connected with the positioning columns (21);
the water-stop assembly comprises an inner water-stop sheet (31) and an outer water-stop sheet (32); a gap (33) is arranged between the inner water-stop sheet (31) and the outer water-stop sheet (32), two ends of the inner water-stop sheet (31) and two ends of the outer water-stop sheet (32) are connected through a reinforcing plate (331), and the reinforcing plate (331) is welded with the inner water-stop sheet (31) and the outer water-stop sheet (32) on two sides of the reinforcing plate; an inner arc-shaped groove (34) which is bent towards the inner side is formed in the inner water-stop plate (31); an outer arc-shaped groove (35) corresponding to the inner arc-shaped groove (34) is formed in the outer water-stop sheet (32); the inner arc-shaped groove (34) and the outer arc-shaped groove (35) form a channel for the positioning column (21) to pass through;
a plurality of fixing piles (36) are arranged at the bottoms of the outer water-stop sheet (31) and the inner water-stop sheet (32) at equal intervals;
the water drainage assembly comprises a water inlet (41) arranged at the bottom of the inner water-stop plate (32) and a water outlet (42) arranged at the top of the inner water-stop plate (32), a water flow channel (43) is arranged in the inner water-stop plate (32), and a water pump (44) is arranged in the water flow channel (43).
2. The highway bridge construction cofferdam device of claim 1, characterized in that: the walking mechanism comprises a walking frame (51) and walking wheels arranged on two sides of the walking frame (51), two walking wheels on the diagonal of the walking frame (51) are driving wheels, two walking wheels on the other diagonal are driven wheels, and the two walking wheels on the same side of the walking frame (51) are connected through a crawler belt (52); the walking frame (51) is connected with the cantilever (55) through a lifting assembly.
3. The highway bridge construction cofferdam device of claim 2, wherein: the lifting assembly comprises a pair of telescopic columns (53) arranged at the front end and the rear end of the top of the walking frame (51), a cross frame (54) is arranged at the top of the telescopic columns (53), and two sides of the bottom of the cross frame are respectively connected with the two telescopic columns (53); one end of the transverse frame (54) is provided with a cantilever (55).
4. The highway bridge construction cofferdam device of claim 3, wherein: the cantilever (55) is connected with the cross frame (54) through an angle adjusting device, the angle adjusting device comprises a shaft body (56) arranged on the cantilever (55), and two ends of the shaft body (56) are fixedly connected with the cantilever (55); a first gear (57) is fixedly arranged in the middle of the shaft body (56), and the first gear (57) is meshed with a second gear (58) which drives the first gear to rotate; the second gear (58) is driven by an angle adjusting motor (59), and the angle adjusting motor (59) is fixed on the cross frame (54) through a motor support.
5. The highway bridge construction cofferdam device of claim 1, characterized in that: an electric bolt (112) is arranged on the guide cylinder (11), and a bolt hole (211) is arranged on the positioning column (21).
6. The highway bridge construction cofferdam device of claim 1, characterized in that: the bottoms of the inner water-stop sheet (31) and the outer water-stop sheet (32) are of conical structures; the bottom of the fixing pile (36) is a cone.
7. The highway bridge construction cofferdam device of claim 1, characterized in that: the cofferdam device also comprises an anti-seepage layer (6) arranged at the bottom; the bottom of the inner-layer water-stop sheet (32) is provided with a fixing edge (321), a pressing edge (322) is arranged above the fixing edge (321), the pressing edge (322) is connected with the fixing edge (321) through a fastening bolt, and sealing rings are arranged on the lower surface of the pressing edge (322) and the upper surface of the fixing edge (321).
8. The highway bridge construction cofferdam device of claim 1, characterized in that: end water-resisting units are further arranged at two ends of a water-resisting wall formed by the water-resisting assemblies, and each end water-resisting unit comprises a water-resisting base plate (71) with an adjustable bottom angle and a shell (72) arranged on the upper portion of the water-resisting base plate (71); the waterproof structure is characterized in that an opening is formed in the bottom of the shell (72), an inflatable sealing piece is arranged on the shell (72), and the inflatable sealing piece seals a gap between the waterproof substrate (71) and the shell (72).
9. The highway bridge construction cofferdam device of claim 8, wherein: the shell (72) comprises a left side plate (711), a front side plate (712), a rear side plate (712) and a right side plate (713); the right side plate (711) is a telescopic plate; two ends of the waterproof substrate (71) are hinged to the bottoms of the right side plate (713) and the left side plate (711) respectively; the waterproof substrate (71) and the right side plate (713) are both expansion plates; the front and rear side plates (712) comprise a triangular plate at the upper part and an arc plate at the lower part which can rotate; an inflatable expansion sealing element is arranged in the shell (72) to seal gaps among the plate bodies; the set square is a telescopic plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910263556.2A CN111764416B (en) | 2019-04-02 | 2019-04-02 | Highway bridge construction cofferdam device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910263556.2A CN111764416B (en) | 2019-04-02 | 2019-04-02 | Highway bridge construction cofferdam device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111764416A true CN111764416A (en) | 2020-10-13 |
| CN111764416B CN111764416B (en) | 2022-05-10 |
Family
ID=72718329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910263556.2A Active CN111764416B (en) | 2019-04-02 | 2019-04-02 | Highway bridge construction cofferdam device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111764416B (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102094429A (en) * | 2011-01-12 | 2011-06-15 | 广东省长大公路工程有限公司 | Lowering control method of double-wall steel cofferdam |
| JP5390044B1 (en) * | 2013-09-06 | 2014-01-15 | 株式会社日本海洋サービス | Underwater earth retaining method |
| CN103981879A (en) * | 2014-06-03 | 2014-08-13 | 上海隧道工程股份有限公司 | Cofferdam structure and construction method thereof |
| CN104213569A (en) * | 2014-10-01 | 2014-12-17 | 杜东升 | Bridge pier cofferdam integrated equipment and construction method thereof |
| CN104294835A (en) * | 2014-10-14 | 2015-01-21 | 中国水利水电第四工程局有限公司 | Steel sheet pile cofferdam constructing method |
| CN205530264U (en) * | 2016-03-02 | 2016-08-31 | 中国港湾工程有限责任公司 | Pile sinking leading truck |
| CN206052744U (en) * | 2016-08-31 | 2017-03-29 | 王洪涛 | A kind of highway bridge construction cofferdam device |
| CN206616570U (en) * | 2017-03-22 | 2017-11-07 | 中交二航局结构工程有限公司 | A kind of antiseepage water-retaining cofferdam structure |
| CN107500145A (en) * | 2017-08-26 | 2017-12-22 | 姚平社 | A kind of Mobile hoisting takes off bar apparatus |
| CN107780423A (en) * | 2017-11-24 | 2018-03-09 | 河南水建集团有限公司 | Adjustable water cofferdam |
| CN207277349U (en) * | 2017-04-25 | 2018-04-27 | 姜凤芹 | A kind of highway bridge construction cofferdam device |
| CN207419500U (en) * | 2017-08-21 | 2018-05-29 | 杨文权 | A kind of highway bridge construction cofferdam device |
| CN108221991A (en) * | 2018-03-28 | 2018-06-29 | 张茂排 | A kind of cofferdam steel sheet pile water conservancy construction machine |
-
2019
- 2019-04-02 CN CN201910263556.2A patent/CN111764416B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102094429A (en) * | 2011-01-12 | 2011-06-15 | 广东省长大公路工程有限公司 | Lowering control method of double-wall steel cofferdam |
| JP5390044B1 (en) * | 2013-09-06 | 2014-01-15 | 株式会社日本海洋サービス | Underwater earth retaining method |
| CN103981879A (en) * | 2014-06-03 | 2014-08-13 | 上海隧道工程股份有限公司 | Cofferdam structure and construction method thereof |
| CN104213569A (en) * | 2014-10-01 | 2014-12-17 | 杜东升 | Bridge pier cofferdam integrated equipment and construction method thereof |
| CN104294835A (en) * | 2014-10-14 | 2015-01-21 | 中国水利水电第四工程局有限公司 | Steel sheet pile cofferdam constructing method |
| CN205530264U (en) * | 2016-03-02 | 2016-08-31 | 中国港湾工程有限责任公司 | Pile sinking leading truck |
| CN206052744U (en) * | 2016-08-31 | 2017-03-29 | 王洪涛 | A kind of highway bridge construction cofferdam device |
| CN206616570U (en) * | 2017-03-22 | 2017-11-07 | 中交二航局结构工程有限公司 | A kind of antiseepage water-retaining cofferdam structure |
| CN207277349U (en) * | 2017-04-25 | 2018-04-27 | 姜凤芹 | A kind of highway bridge construction cofferdam device |
| CN207419500U (en) * | 2017-08-21 | 2018-05-29 | 杨文权 | A kind of highway bridge construction cofferdam device |
| CN107500145A (en) * | 2017-08-26 | 2017-12-22 | 姚平社 | A kind of Mobile hoisting takes off bar apparatus |
| CN107780423A (en) * | 2017-11-24 | 2018-03-09 | 河南水建集团有限公司 | Adjustable water cofferdam |
| CN108221991A (en) * | 2018-03-28 | 2018-06-29 | 张茂排 | A kind of cofferdam steel sheet pile water conservancy construction machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111764416B (en) | 2022-05-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111058875B (en) | Coal mine roof waterproof method and waterproof flow guide device | |
| CN111764416B (en) | Highway bridge construction cofferdam device | |
| CN114753571B (en) | Water-proof and drainage integrated system for planted roof and siphon type rainwater hopper | |
| CN210031674U (en) | Long-span flood control baffle | |
| CN212103877U (en) | Water baffle device for hydraulic engineering construction | |
| CN221462339U (en) | Supporting structure for subway full-cover excavation construction | |
| CN217461228U (en) | BIPV roof structure | |
| CN219992504U (en) | Road side slope photovoltaic supporting structure and application system thereof | |
| CN214739353U (en) | Waterproof structure for factory building | |
| CN213710086U (en) | Prefabricated outer wall waterproof construction of assembled concrete building | |
| CN211690294U (en) | Assembled underground continuous wall | |
| CN218148466U (en) | Fender pile and curtain water stop combined mechanism | |
| CN218405502U (en) | Cofferdam for water conservancy construction | |
| CN209194541U (en) | It can assembled large-span deep foundation pit suspension device through walls | |
| CN216664538U (en) | Civil engineering expansion joint waterproof construction | |
| CN215165738U (en) | Quick assembly disassembly formula water conservancy construction cofferdam | |
| CN210766611U (en) | Water conservancy construction breakwater convenient to installation | |
| CN218454596U (en) | Steel frame for underwater opening of pool outer wall | |
| AU2021104220A4 (en) | Waterproof method and waterproof flow guide device for coal mine roof | |
| CN219386328U (en) | Drainage support integrated steel sheet pile device falls | |
| CN214363984U (en) | Urban rainwater collection system | |
| CN218031806U (en) | Steep cliff sewage HDPE steel band bellows supporting structure | |
| CN214576435U (en) | Plane fixed wheel water-proof gate main track | |
| CN216040480U (en) | Permeable ground structure of building community | |
| CN212375798U (en) | Assembled dykes and dams structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Building F3, Group F, Nanning ASEAN Enterprise Headquarters Port, No. 10, Xinji Road, Gaoxin District, Nanning City, Guangxi Zhuang Autonomous Region, 530000 Patentee after: Guangxi Jiaojian Engineering Construction Group Co.,Ltd. Address before: 530000 15, West Guangxi building, 4 Kok Road, Nanning, the Guangxi Zhuang Autonomous Region Patentee before: GUANGXI CHANGCHANG ROAD & BRIDGE CONSTRUCTION Co.,Ltd. |
|
| CP03 | Change of name, title or address |