CN203768923U - Steel pipe pile cofferdam - Google Patents
Steel pipe pile cofferdam Download PDFInfo
- Publication number
- CN203768923U CN203768923U CN201420101042.XU CN201420101042U CN203768923U CN 203768923 U CN203768923 U CN 203768923U CN 201420101042 U CN201420101042 U CN 201420101042U CN 203768923 U CN203768923 U CN 203768923U
- Authority
- CN
- China
- Prior art keywords
- steel pipe
- stull
- pipe pile
- groove
- cofferdam
- 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.)
- Expired - Fee Related
Links
Landscapes
- Piles And Underground Anchors (AREA)
Abstract
The utility model discloses a steel pipe pile cofferdam which comprises a plurality of steel pipe piles, wherein the plurality of steel pipe piles are sequentially connected side by side to define a square or rectangular main cofferdam body, a steel pipe and a connection plate are arranged on each steel pipe pile, and a through groove is axially formed in the side wall of each steel pipe; and the width of each through groove is smaller than that of each connection plate, the steel pipes and the connection plates between every two adjacent steel pipe piles constitute a lock mouth, two arc-shaped limiting plates are arranged at one end of each connection plate, a groove is formed between the two limiting plates, a square or rectangular waling is arranged on the inner side of the main cofferdam body, and reinforced concrete ring beams surrounding a square or rectangle are arranged on the inner side of the bottom of the waling. According to the steel pipe pile cofferdam, seal strips are arranged in the lock mouths, so that the waterproof leaking stoppage performance of the lock mouths is improved; and further, two arc-shaped limiting plates are arranged in each steel pipe, the groove is formed between the two limiting plates, extrusion force of fillers in the steel pipes is conveniently used to deform the limiting plates, so that the seal strips and the steel pipes are pressed tightly, and the waterproof leak stoppage performance of the lock mouths is further improved.
Description
Technical field
The utility model relates to a kind of steel pipe pile cofferdam.
Background technology
In bridge foundation construction, when bridge pier, stylobate plinth are positioned at earth's surface water level when following, at water, the dark and larger river of flow velocity can adopt steel pipe pile cofferdam.Steel pipe pile cofferdam both can waterproof, enclose water, can play again the effect of supporting foundation ditch.Steel pipe pile cofferdam working procedure is simple, saves the duration, can be recycled, and cost is low, but existing steel pipe pile cofferdam is because locking notch structure is comparatively complicated, and difficulty of construction is large, and, waterproofing and leakage-stopping poor-performing.
Utility model content
For addressing the above problem, the purpose of this utility model is to provide a kind of steel pipe pile cofferdam.
The utility model for achieving the above object, be achieved through the following technical solutions: steel pipe pile cofferdam, it comprises several steel pipe piles, several steel pipe piles connect the cofferdam main body that surrounds square or rectangle successively side by side, every steel pipe pile is provided with steel pipe and junction plate, on the sidewall of steel pipe, axially offer groove, steel pipe and junction plate lay respectively at steel pipe pile both sides; The width of groove is less than the width of junction plate thoroughly, steel pipe between two adjacent steel pipe piles and junction plate form a fore shaft, junction plate one end arranges the limiting plate of two arcs, between two limiting plates, form groove, the outer edge of two limiting plates is respectively provided with a weather strip, main body inner side, cofferdam arranges the waling of square or rectangle, between four jiaos of square waling, diagonal brace is set, and the setting of waling bottom inside surrounds the steel bar concrete collar tie beam of square or rectangle; Waling is comprised of the first horizontal stull and the second stull, and several perpendicular supports are evenly set between the first stull and the second stull, between the second stull and steel pipe pile, fixing rib is set.
For further realizing the purpose of this utility model, can also be by the following technical solutions: in described the first stull, lighting alarm is installed, lighting alarm comprises Mobile base, the cross section of Mobile base is inverted U-shaped, a road wheel and two side wheels are installed in Mobile base, road wheel coordinates with the top of the first stull, and two side wheels coordinate with the left and right sides of the first stull respectively; The first stull is provided with tooth bar, the first motor and the second motor are installed in Mobile base, the first gear is installed on the axle of the first motor, the first wheel and rack engagement, rotating disk is installed at the top of Mobile base, the periphery of rotating disk is provided with gear ring, and the second gear is installed on the axle of the second motor, the gear ring engagement of the second gear and rotating disk; The 3rd motor and swing arm is installed on rotating disk, and swing arm and rotating disk are hinged, and the 3rd axle of motor and the hinge axis of swing arm are connected, and display screen is installed in swing arm, and an illuminating lamp is respectively installed in the both sides of display screen.A lead is installed respectively in the both sides of described limiting plate, and the saturating groove place of steel pipe is arranged with two angle steel, and angle steel can coordinate with lead.
The utility model has the advantage of: it arranges weather strip in fore shaft, improved the waterproofing and leakage-stopping performance of fore shaft.It also arranges the limiting plate of two arcs in steel pipe, the groove forming between two limiting plates, utilizes the extruding force of steel pipe inner stuffing to make limiting plate distortion to facilitate, thereby, pressing between weather strip and steel pipe is tight, further promoted the waterproofing and leakage-stopping performance of fore shaft.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation; Fig. 2 is that the A-A of Fig. 1 amplifies sectional structure schematic diagram, has increased lighting alarm in figure; Fig. 3 is single steel pipe pile plan structure schematic diagram; Fig. 4 is the plan structure schematic diagram that two steel pipe piles coordinate by fore shaft; Fig. 5 is the I portion enlarged drawing of Fig. 4; Fig. 6 is the B-B structure for amplifying schematic diagram of Fig. 2.
Reference numeral: saturating groove 4 junction plate 5 lead 6 waling 7 second stull 8 fixing rib 9 steel bar concrete collar tie beam 10 support column 11 cushion cap 12 basement rock excavation mechinery operation area 13 angle steel 14 limiting plate 15 groove 16 weather strip 17 diagonal brace 18 perpendicular support 19 first stull 20 lighting alarm 21 Mobile base 22 first motor 23 first gear 24 tooth bar 25 road wheel 26 side wheel 27 second motor 28 second gear 29 rotating disk 30 display screen 31 swing arms 32 the 3rd motor 33 illuminating lamps of 1 steel pipe pile 2 steel pipe 3.
The specific embodiment
Steel pipe pile cofferdam described in the utility model, it comprises several steel pipe piles 1, as shown in Figure 1, several steel pipe piles 1 connect the cofferdam main body that surrounds square or rectangle successively side by side.As shown in Figure 3, every steel pipe pile 1 is provided with steel pipe 2 and junction plate 4.On the sidewall of steel pipe 2, axially offer groove 3, steel pipe 2 and junction plate 4 lay respectively at steel pipe pile 1 both sides.Junction plate 4 one end arrange the limiting plate 14 of two arcs.As shown in Figure 5, the outer edge that forms 15, two limiting plates 14 of groove between limiting plate 14 is respectively provided with a weather strip 16.As shown in Figure 1, main body inner side in cofferdam arranges the waling 6 of square or rectangle, between four jiaos of square waling 6, diagonal brace 17 is set.The interior filler that arranges of steel pipe 2, so that by the gap sealing in fore shaft, groove 15 conveniently utilizes the extruding force of steel pipe 2 inner stuffings to make limiting plate 14 distortion, thereby makes weather strip 16 and steel pipe 2 inwall close contacts, can improve the waterproofing and leakage-stopping performance of fore shaft.Waling 6 bottom inside settings surround the steel bar concrete collar tie beam 9 of square or rectangle so that form good sealing between bottom, cofferdam and bedrock surface.Steel bar concrete collar tie beam 9 inner sides arrange cushion cap 11, and support column 10 is installed in cushion cap 11 bottom surfaces.Described steel pipe 2 should be selected seamless steel pipe.
The width of described groove 3 is less than the width of junction plate 4, so that be tight fit between steel pipe 2 and junction plate 4, has improved the water resistance of fore shaft.
Described waling 6 is comprised of the first horizontal stull 19 and the second stull 7, evenly arranges between several perpendicular support 18, the second stulls 7 and steel pipe pile 1 fixing rib 8 is set between the first stull 19 and the second stull 7.This structure has promoted the stability of waling 6, makes waling 6 better play the effect of supporting steel pile tube 1.
A lead 5 is installed respectively in the both sides of described limiting plate 14, and saturating groove 3 places of steel pipe 2 are arranged with two angle steel 13.In construction, when two steel pipe piles 1 coordinate, angle steel 13 can coordinate with lead 5, can be two fore shafts between steel pipe pile 1 and has coordinated good guide effect.Can make steel pipe 2 and junction plate 4 between adjacent two steel pipe piles 1 accurately coordinate, prevent because of relative steel pipe 2 deflections of junction plate 4, and make groove 3 by the situation of distending, thereby, the waterproofing and leakage-stopping performance of fore shaft strengthened.
In work progress, the in the situation that of night or low visibility, for preventing that boat and cofferdam from crashing, by the following technical solutions: as shown in Figure 2, in described the first stull 19, lighting alarm 20 is installed.As shown in Figure 6, lighting alarm 20 comprises Mobile base 21.The cross section of Mobile base 21 is inverted U-shaped, road wheel 25 of the interior installation of Mobile base 21 and two side wheels 26.Road wheel 25 coordinates with the top of the first stull 19, and two side wheels 26 coordinate with the left and right sides of the first stull 19 respectively.The first stull 19 is provided with tooth bar 24.The first gear 23, the first gears 23 and tooth bar 24 engagements are installed on the axle of interior installation the first motor 22 of Mobile base 21 and the second motor 27, the first motors 22.The first gear 23 can drive lighting alarm 20 to move back and forth along the first stull 19.Rotating disk 29 is installed at the top of Mobile base 21, and the periphery of rotating disk 29 is provided with gear ring.The second gear 28, the second gears 28 are installed on the axle of the second motor 27 to be meshed with the gear ring of rotating disk 29.The 3rd motor 32 and swing arm 31 are installed on rotating disk 29, and swing arm 31 is hinged with rotating disk 29, and the axle of the 3rd motor 32 is connected with the hinge axis of swing arm 31.Display screen 30 is installed in swing arm 31, and an illuminating lamp 33 is respectively installed in the both sides of display screen 30.Lighting alarm 20 can move along the first stull 19 under the driving of the first gear 23, and meanwhile, display screen 30 and illuminating lamp 33 can be luminous, substantially to indicate width and the position in cofferdam, so that boat is played to forewarning function.In work progress, can start the second motor 27, the second motors 27 and drive swing arm 31 to be rocked to level, to prevent that to greatest extent display screen 30 and illuminating lamp 33 from affecting normal construction.On display screen 30, also can show information, to inform staff on the bank, in cofferdam construction, also need what raw material or equipment, to link up fast.Illuminating lamp 33 also can be implemented illumination to part in cofferdam, so that the carrying out smoothly of construction.
Between cushion cap 11 and waling 6, cavity is basement rock excavation mechinery operation area 12.
The technical solution of the utility model is not restricted in the scope of embodiment described in the utility model.The utility model not technology contents of detailed description is known technology.
Claims (3)
1. steel pipe pile cofferdam, it is characterized in that: it comprises several steel pipe piles (1), several steel pipe piles (1) connect the cofferdam main body that surrounds square or rectangle successively side by side, every steel pipe pile (1) is provided with steel pipe (2) and junction plate (4), on the sidewall of steel pipe (2), axially offer groove (3), steel pipe (2) and junction plate (4) lay respectively at steel pipe pile (1) both sides, the width of groove (3) is less than the width of junction plate (4) thoroughly, steel pipe (2) between adjacent two steel pipe piles (1) and junction plate (4) form a fore shaft, junction plate (4) one end arranges the limiting plate (14) of two arcs, between two limiting plates (14), form groove (15), the outer edge of two limiting plates (14) is respectively provided with a weather strip (16), main body inner side, cofferdam arranges the waling (6) of square or rectangle, diagonal brace (17) is set between four jiaos of square waling (6), waling (6) bottom inside setting surrounds the steel bar concrete collar tie beam (9) of square or rectangle, waling (6) is comprised of horizontal the first stull (19) and the second stull (7), between the first stull (19) and the second stull (7), several perpendicular supports (18) is evenly set, and between the second stull (7) and steel pipe pile (1), fixing rib (8) is set.
2. steel pipe pile cofferdam according to claim 1, it is characterized in that: the upper lighting alarm (20) of installing of described the first stull (19), lighting alarm (20) comprises Mobile base (21), the cross section of Mobile base (21) is inverted U-shaped, a road wheel (25) and two side wheels (26) are installed in Mobile base (21), road wheel (25) coordinates with the top of the first stull (19), and two side wheels (26) coordinate with the left and right sides of the first stull (19) respectively; The first stull (19) is provided with tooth bar (24), the first motor (22) and the second motor (27) are installed in Mobile base (21), the first gear (23) is installed on the axle of the first motor (22), the first gear (23) and tooth bar (24) engagement, rotating disk (29) is installed at the top of Mobile base (21), the periphery of rotating disk (29) is provided with gear ring, and the second gear (28) is installed on the axle of the second motor (27), and the second gear (28) meshes with the gear ring of rotating disk (29); Rotating disk (29) upper installation the 3rd motor (32) and swing arm (31), swing arm (31) is hinged with rotating disk (29), the axle of the 3rd motor (32) is connected with the hinge axis of swing arm (31), the upper display screen (30) of installing of swing arm (31), an illuminating lamp (33) is respectively installed in the both sides of display screen (30).
3. steel pipe pile cofferdam according to claim 1, it is characterized in that: a lead (5) is installed respectively in the both sides of described limiting plate (14), the saturating groove (3) of steel pipe (2) locates to be arranged with two angle steel (13), and angle steel (13) can coordinate with lead (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420101042.XU CN203768923U (en) | 2014-03-07 | 2014-03-07 | Steel pipe pile cofferdam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420101042.XU CN203768923U (en) | 2014-03-07 | 2014-03-07 | Steel pipe pile cofferdam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203768923U true CN203768923U (en) | 2014-08-13 |
Family
ID=51286130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420101042.XU Expired - Fee Related CN203768923U (en) | 2014-03-07 | 2014-03-07 | Steel pipe pile cofferdam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203768923U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104594367A (en) * | 2015-01-23 | 2015-05-06 | 中国建筑第七工程局有限公司 | Combined cofferdam structure and construction method |
| CN105350551A (en) * | 2015-11-27 | 2016-02-24 | 国网北京市电力公司 | Flood-preventing cofferdam |
| CN111021349A (en) * | 2019-12-13 | 2020-04-17 | 天津大学 | Construction method of combined cofferdam of jet grouting pile and submerged large-diameter cylinder |
| CN111139848A (en) * | 2020-01-02 | 2020-05-12 | 中铁二局第五工程有限公司 | Steel cofferdam and assembling method thereof |
-
2014
- 2014-03-07 CN CN201420101042.XU patent/CN203768923U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104594367A (en) * | 2015-01-23 | 2015-05-06 | 中国建筑第七工程局有限公司 | Combined cofferdam structure and construction method |
| CN105350551A (en) * | 2015-11-27 | 2016-02-24 | 国网北京市电力公司 | Flood-preventing cofferdam |
| CN111021349A (en) * | 2019-12-13 | 2020-04-17 | 天津大学 | Construction method of combined cofferdam of jet grouting pile and submerged large-diameter cylinder |
| CN111139848A (en) * | 2020-01-02 | 2020-05-12 | 中铁二局第五工程有限公司 | Steel cofferdam and assembling method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203768923U (en) | Steel pipe pile cofferdam | |
| CN204343312U (en) | Plugging device of precipitation well in foundation pit | |
| CN203668969U (en) | Reinforcing waterproof structure of underground diaphragm wall | |
| CN106149764A (en) | A kind of precast assembly pipe gallery bell and spigot waterproof construction | |
| CN103410523A (en) | Double-layer water-stopping steel ring for shield starting tunnel portal and mounting method of double-layer water-stopping steel ring | |
| CN206916753U (en) | A kind of water sealing structure of diaphram wall and its seam crossing | |
| CN203238649U (en) | Combined type waterproof curtain | |
| CN204959781U (en) | Dewatering well plugging device | |
| CN203050729U (en) | Earth pressure balance rectangular jacking pipe joint for large-section motor vehicle tunnel | |
| CN201362855Y (en) | Large-span tunnel arch part middle section full-fracture once-overarching construction structure | |
| CN105421497A (en) | Water-proof construction method for connected nodes of foundation slab and ground wall in composite surround system | |
| CN208203306U (en) | Tunnel antipriming | |
| CN207143925U (en) | A kind of Extra-Deep Foundation Pit diaphram wall for closing on subway | |
| CN207143920U (en) | Water-stopping system between novel pile under a kind of complicated circumstance of flowing water | |
| CN203755296U (en) | Underground diaphragm wall construction building envelope | |
| CN103206223A (en) | Reinforcing structure of surrounding rock inside precast-segment tunnel | |
| CN102619214B (en) | U-shaped interface steel sheet pile and application thereof in enclosure for foundation pit | |
| CN206956669U (en) | A kind of attachment structure of cut-pff wall and concrete cover | |
| CN203007955U (en) | Supporting structure for foundation pit next to protected and greened soft soil area | |
| CN205012357U (en) | Precipitation tubular well combines waterproof construction of high pressure jet grouting pile stagnant water curtain | |
| CN208884535U (en) | A kind of distortion-free Larsen steel sheet pile supporting construction | |
| CN203530959U (en) | High-strength underground diaphragm wall | |
| CN214993750U (en) | Different retaining structure juncture construction node of foundation ditch | |
| CN202370539U (en) | Front tunnel face excavated soil pre-reinforcing structure of tunnel | |
| CN205116153U (en) | Underground separates oozes diaphragm wall |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140813 Termination date: 20150307 |
|
| EXPY | Termination of patent right or utility model |