CN215165530U - Assembly type lengthening structure of deep water pile foundation construction steel casing - Google Patents
Assembly type lengthening structure of deep water pile foundation construction steel casing Download PDFInfo
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- CN215165530U CN215165530U CN202120391368.0U CN202120391368U CN215165530U CN 215165530 U CN215165530 U CN 215165530U CN 202120391368 U CN202120391368 U CN 202120391368U CN 215165530 U CN215165530 U CN 215165530U
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Abstract
The utility model relates to a deep water pile foundation construction steel protects a fabricated extension structure of section of thick bamboo, two steel of butt joint from top to bottom protect a section of thick bamboo tip and weld the upper junction plate respectively and go up basin and lower stagnant water groove, and upper and lower connecting plate passes through bolted connection, and the water-swelling rubber seal strip is met in the installation of stagnant water inslot, and the steel protects a section of thick bamboo underwater extension construction fast, and connection structure is firm reliable, and can protect a section of thick bamboo inner seal with the steel, ensures that pile foundation drilling construction in water normally goes on.
Description
Technical Field
The utility model belongs to the technical field of aquatic pile foundation construction, a section of thick bamboo is protected to steel that deep water pile foundation construction was used is related to, concretely relates to deep water pile foundation construction steel protects assembled extension structure of a section of thick bamboo.
Background
When drilling a pile foundation, a steel casing is usually required to be arranged at a pile position. The steel casing is usually processed in sections during processing, the length of each section is limited, and when pile foundation drilling construction is carried out, after one section of the steel casing is vibrated and sunk to a certain depth, the steel casing needs to be lengthened, namely, the two sections of the steel casing are butted and then continuously vibrated and sunk downwards.
In the prior art, a steel casing is usually lengthened by welding. However, under the construction environment of underwater pile foundations, particularly in the construction of deep-water pile foundations, the steel casing extension is usually performed underwater, the existing extension mode adopts an underwater welding technology, but the underwater welding construction difficulty is large, the construction period is long, the safety risk is high, the welding quality is difficult to guarantee, and the construction progress of the pile foundations is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at protecting a problem that a section of thick bamboo underwater welding exists to the steel, provide a deep water pile foundation construction steel protects an assembled extension structure of a section of thick bamboo, realize that the steel protects a quick connect and guarantee the connection quality of a section of thick bamboo.
The utility model provides a pair of deep water pile foundation construction steel protects assembled extension structure of a section of thick bamboo, the first steel that includes vertical butt joint protects a section of thick bamboo and second steel and protects a section of thick bamboo, its characterized in that: a plurality of pairs of strip-shaped lower connecting plates are welded on the outer wall of the upper end of the first steel casing in an annular and equidistant mode, each pair of lower connecting plates is axially parallel to the first steel casing, a certain gap is reserved between the two lower connecting plates, one part of each lower connecting plate is welded with the outer wall of the first steel casing, the other part of each lower connecting plate protrudes above the upper end of the first steel casing, a lower water stopping groove is arranged between every two adjacent pairs of lower connecting plates along the outer wall of the first steel casing, the opening of each lower water stopping groove faces upwards, and the top of each lower water stopping groove is flush with the upper end of the first steel casing; a strip-shaped upper connecting plate is welded on the outer wall of the lower end of the second steel casing corresponding to each pair of lower connecting plates on the first steel casing, the upper connecting plates are axially parallel to the second steel casing, one part of each upper connecting plate is welded with the outer wall of the second steel casing, the other part of each upper connecting plate protrudes below the lower end of the second steel casing, an upper water stopping tank is arranged between adjacent upper connecting plates along the outer wall of the second steel casing, the opening of the upper water stopping tank faces downwards, and the lower part of the upper water stopping tank is flush with the lower end of the second steel casing; screw holes with equal intervals are longitudinally arranged on the upper connecting plate and the lower connecting plate; the lower end of the second steel casing and the upper water stopping tank are respectively aligned with the upper end of the first steel casing and the lower water stopping tank, and each upper connecting plate is inserted into the gap between the two lower connecting plates and is connected with the lower connecting plates through bolts; and the upper water stopping tank and the lower water stopping tank are filled with water-swelling rubber sealing strips.
The utility model adopts the bolt to butt joint the two steel casing cylinders, has fast construction speed and firm and reliable connection structure, and is particularly suitable for underwater butt joint of the steel casing cylinders; a water stopping groove is arranged at the joint of the two steel pile casings, and the steel pile casings can be internally sealed by installing water-swelling rubber strips in the water stopping groove, so that the normal drilling construction of the pile foundation in water is ensured.
Drawings
FIG. 1 is a schematic view of the butt structure of the steel casing of the present invention;
FIG. 2 is a side view schematic structural view of a first steel casing;
FIG. 3 is a schematic plan view of the lower end of the first steel casing;
FIG. 4 is a sectional view taken along line a-a of FIG. 3;
FIG. 5 is a side view schematic structural view of a second steel casing;
FIG. 6 is a schematic plan view of the upper end of the second steel casing;
FIG. 7 is a sectional view taken along line b-b in FIG. 6;
fig. 8 is a schematic view of the butt joint of the steel casing.
Detailed Description
As shown in figure 1, the utility model discloses an assembled steel protects a section of thick bamboo and connects long structure, the first steel that includes vertical butt joint protects a section of thick bamboo 1 and a second steel and protects a section of thick bamboo 2.
As shown in fig. 2, 3 and 4, a plurality of pairs of strip-shaped lower connecting plates 11 are circumferentially and equidistantly welded on the outer wall of the upper end of the first steel casing 1, each pair of lower connecting plates 11 is axially parallel to the first steel casing 1, a certain gap is formed between the two lower connecting plates, one part of each lower connecting plate 11 is welded with the outer wall of the first steel casing 1, the other part of each lower connecting plate protrudes above the upper end of the first steel casing 1, a lower water stopping groove 12 is arranged between every two adjacent pairs of lower connecting plates along the outer wall of the first steel casing, the opening of each lower water stopping groove 12 faces upwards, and the top of each lower water stopping groove 12 is flush with the upper end of the first steel casing 1; screw holes 13 with equal distance are arranged on the lower connecting plate 11 along the longitudinal direction.
As shown in fig. 5, 6 and 7, a strip-shaped upper connecting plate 21 is welded on the outer wall of the lower end of the second steel casing 2 corresponding to each pair of lower connecting plates on the first steel casing, the upper connecting plate 21 is axially parallel to the second steel casing 2, one part of each upper connecting plate 21 is welded with the outer wall of the second steel casing 2, the other part of each upper connecting plate protrudes below the lower end of the second steel casing 2, an upper water stopping groove 22 is arranged between adjacent upper connecting plates along the outer wall of the second steel casing, the opening of the upper water stopping groove 22 faces downwards, and the lower part of the upper water stopping groove 22 is flush with the lower end of the second steel casing 2; the upper connecting plate 22 is provided with screw holes 23 along the longitudinal direction with equal distance to the screw holes on the lower connecting plate.
As shown in fig. 1, the lower end of the second steel casing 2 and the upper water stopping tank 22 are respectively aligned with the upper end of the first steel casing 1 and the lower water stopping tank 12, and each upper connecting plate is inserted into the gap between the two lower connecting plates 11 and is connected with the lower connecting plates through bolts 3; the upper water stopping tank and the lower water stopping tank are filled with water-swelling rubber sealing strips 4.
When the utility model is implemented, the lower water stopping groove and the upper water stopping groove can be both formed by bending angle steel according to the circumferential radian of the steel protecting cylinder, one edge of the angle steel of the lower water stopping groove is welded with the outer wall of the first steel protecting cylinder, and the other edge is flush with the upper end of the first steel protecting cylinder; one side of the angle steel of the upper water stop trough is welded with the outer wall of the second steel protection cylinder, and the other side of the angle steel of the upper water stop trough is flush with the lower end of the second steel protection cylinder.
The utility model is used for during deep water pile foundation construction, the extension method of a steel casing is as follows:
(1) and preparing enough steel casing sections according to the length of the steel casing which needs to be drilled in the drilling construction of each pile foundation.
As shown in fig. 2, 3 and 4, before the steel casing is arranged, a plurality of pairs of strip-shaped lower connecting plates 11 are welded on the outer wall of the upper end of a first steel casing 1 in advance at equal intervals in the circumferential direction, each pair of lower connecting plates is axially parallel to the first steel casing, a certain gap is formed between each pair of lower connecting plates, one part of each lower connecting plate is welded with the outer wall of the first steel casing, the other part of each lower connecting plate protrudes above the upper end of the first steel casing, and a plurality of screw holes 13 are formed in the lower connecting plates along the longitudinal direction; and a lower water stopping groove 12 is arranged between every two pairs of adjacent lower connecting plates, the lower water stopping groove is formed by bending angle steel, one side of the angle steel is welded with the outer wall of the first steel casing, and the other side of the angle steel is flush with the upper end of the first steel casing.
(2) As shown in fig. 5, 6 and 7, a strip-shaped upper connecting plate 21 is welded on the outer wall of the lower end of the second steel casing 2 corresponding to each pair of lower connecting plates on the first steel casing, one part of each upper connecting plate is welded with the outer wall of the second steel casing, the other part of each upper connecting plate protrudes below the lower end of the second steel casing, and a plurality of screw holes 23 with the same distance with the screw holes on the lower connecting plates are arranged on each upper connecting plate; an upper water stopping trough 22 is arranged between two adjacent upper connecting plates and is formed by bending angle steel, one side of the angle steel is welded with the outer wall of the second steel casing, and the other side of the angle steel is flush with the lower end of the second steel casing; a lower connecting plate and a lower water stopping groove which are the same as the upper end of the first steel casing are welded on the outer wall of the upper end of the second steel casing; and the two ends of the other steel protective cylinders are welded with an upper connecting plate, an upper water stopping tank, a lower connecting plate and a lower water stopping tank which are the same as those of the second steel protective cylinder.
(3) As shown in fig. 8 and 4, during underwater pile foundation construction, a first steel casing 1 is vibrated and sunk at a pile position, when the first steel casing is vibrated and sunk to a certain depth and needs to be lengthened, a water-swelling rubber sealing strip 4 is placed in an upper water stop tank 12 of the first steel casing from the beginning to the end of water, a crane lifts a second steel casing to the position, the lower end of the second steel casing 2 is aligned with the upper end of the first steel casing 1 through manual assistance, each upper connecting plate 22 is inserted into a gap between a pair of lower connecting plates 11, the upper connecting plates and the lower connecting plates are connected through bolts, and the lengthened steel casing is as shown in fig. 1.
(4) And the lengthened steel pile casings continue to vibrate and sink, and when the vibration and sink to a certain depth and the steel pile casings need to be lengthened continuously, the steel pile casings can be lengthened according to the butt joint mode of the first steel pile casing and the second steel pile casing.
Claims (2)
1. The utility model provides a deep water pile foundation construction steel protects assembled extension structure of a section of thick bamboo, protects a section of thick bamboo including the first steel of vertical butt joint and second steel, its characterized in that: a plurality of pairs of strip-shaped lower connecting plates are welded on the outer wall of the upper end of the first steel casing in an annular and equidistant mode, each pair of lower connecting plates is axially parallel to the first steel casing, a certain gap is reserved between the two lower connecting plates, one part of each lower connecting plate is welded with the outer wall of the first steel casing, the other part of each lower connecting plate protrudes above the upper end of the first steel casing, a lower water stopping groove is arranged between every two adjacent pairs of lower connecting plates along the outer wall of the first steel casing, the opening of each lower water stopping groove faces upwards, and the top of each lower water stopping groove is flush with the upper end of the first steel casing; a strip-shaped upper connecting plate is welded on the outer wall of the lower end of the second steel casing corresponding to each pair of lower connecting plates on the first steel casing, the upper connecting plates are axially parallel to the second steel casing, one part of each upper connecting plate is welded with the outer wall of the second steel casing, the other part of each upper connecting plate protrudes below the lower end of the second steel casing, an upper water stopping tank is arranged between adjacent upper connecting plates along the outer wall of the second steel casing, the opening of the upper water stopping tank faces downwards, and the lower part of the upper water stopping tank is flush with the lower end of the second steel casing; screw holes with equal intervals are longitudinally arranged on the upper connecting plate and the lower connecting plate; the lower end of the second steel casing and the upper water stopping tank are respectively aligned with the upper end of the first steel casing and the lower water stopping tank, and each upper connecting plate is inserted into the gap between the two lower connecting plates and is connected with the lower connecting plates through bolts; and the upper water stopping tank and the lower water stopping tank are filled with water-swelling rubber sealing strips.
2. The fabricated extension structure of the deep water pile foundation construction steel casing of claim 1, wherein: the lower water stopping groove is formed by bending an angle steel, one edge of the angle steel is welded with the outer wall of the first steel casing, and the other edge of the angle steel is flush with the upper end of the first steel casing; the upper water stop tank is formed by bending angle steel, one edge of the angle steel is welded with the outer wall of the second steel protection cylinder, and the other edge of the angle steel is flush with the lower end of the second steel protection cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120391368.0U CN215165530U (en) | 2021-02-19 | 2021-02-19 | Assembly type lengthening structure of deep water pile foundation construction steel casing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120391368.0U CN215165530U (en) | 2021-02-19 | 2021-02-19 | Assembly type lengthening structure of deep water pile foundation construction steel casing |
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| CN215165530U true CN215165530U (en) | 2021-12-14 |
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| CN202120391368.0U Active CN215165530U (en) | 2021-02-19 | 2021-02-19 | Assembly type lengthening structure of deep water pile foundation construction steel casing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112832237A (en) * | 2021-02-19 | 2021-05-25 | 中交路桥建设有限公司 | Assembly type lengthening structure and method for steel casing for deepwater pile foundation construction |
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2021
- 2021-02-19 CN CN202120391368.0U patent/CN215165530U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112832237A (en) * | 2021-02-19 | 2021-05-25 | 中交路桥建设有限公司 | Assembly type lengthening structure and method for steel casing for deepwater pile foundation construction |
| CN112832237B (en) * | 2021-02-19 | 2024-04-26 | 中交路桥建设有限公司 | Assembled lengthening structure and method for steel casing for deep water pile foundation construction |
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