CN217949111U - A assembly welding formula steel open caisson for narrow and small space - Google Patents
A assembly welding formula steel open caisson for narrow and small space Download PDFInfo
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- CN217949111U CN217949111U CN202222433995.3U CN202222433995U CN217949111U CN 217949111 U CN217949111 U CN 217949111U CN 202222433995 U CN202222433995 U CN 202222433995U CN 217949111 U CN217949111 U CN 217949111U
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Abstract
The utility model discloses a group's welding formula steel open caisson for narrow and small space, including first festival steel open caisson unit and a plurality of middle steel open caisson unit of welded in proper order, be located the bottommost middle steel open caisson unit with first festival steel open caisson unit fixed connection, the inside four corners of first festival steel open caisson unit all is fixed with pneumatic vibrator, pneumatic vibrator all is connected with the air compressor machine that is located ground. Adopt the assembly welding formula steel open caisson for narrow and small space of above-mentioned structure, stable in structure sinks with higher speed and in time rectifies through the pneumatic vibrator in four corners.
Description
Technical Field
The utility model belongs to the technical field of municipal works construction technique and specifically relates to a group welding formula steel open caisson for narrow and small space is related to.
Background
In the pipeline moving and modifying construction of municipal engineering, the influence of the surrounding environment and hydrogeology is influenced, in a water-rich soft stratum, a connecting well for moving and modifying certain pipelines is influenced by the surrounding engineering environment, the connecting well cannot be excavated according to the conventional slope relief or the vertical excavation after the construction of steel sheet piles, and at the moment, the construction is mostly carried out in a sunk well mode. Open caisson construction needs open caisson manufacturing space, and open caisson manufacturing needs formwork erection, concrete pouring and the like. In a narrow construction space, a smaller section open caisson is constructed in a space close to a building (structure), the influence of the construction space is considered, and the influence of a concrete pouring space and the influence of the adjacent building (structure) for concrete maintenance are also considered. The prior art adopts the excavation to sink through the steel open caisson, the operation mode that the limit is dug and is sunk, for example china patent 202022317223.4 discloses a soft soil region steel open caisson counter pressure supporting system that sinks, and steel open caisson unit simple structure does not have regulatory function, and after reaction means installation was accomplished, start jack steady application of pressure, when the steel open caisson unit sinks and appears inclining, stop exerting pressure, the uninstallation, adopt the mode of local surcharge-carrying and hammering to rectify, waste time and energy, and the construction is inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a group welding formula steel open caisson for narrow and small space, stable in structure sinks with higher speed and in time rectifies through the pneumatic vibrator in four corners.
In order to realize the above-mentioned purpose, the utility model provides a group welding formula steel open caisson for narrow and small space, including first festival steel open caisson unit and a plurality of middle steel open caisson unit of welded in proper order, be located the bottommost middle steel open caisson unit with first festival steel open caisson unit fixed connection, the inside four corners of first festival steel open caisson unit all is fixed with pneumatic vibrator, pneumatic vibrator all is connected with the air compressor machine that is located ground.
Preferably, the first section of steel open caisson unit comprises four first connecting angle steels, four steel plates and a supporting I-shaped steel, the four steel plates are arranged in a surrounding manner by the four first connecting angle steels, a plurality of reinforcing rib plates are fixed on the inner sides of the steel plates, and two ends of the supporting I-shaped steel are respectively fixed on the reinforcing rib plates of the two steel plates on the long sides of the rectangle.
Preferably, the middle steel open caisson unit comprises four connecting angle steels, four steel plates and a supporting I-shaped steel, the four steel plates are arranged in a rectangular and four surrounded by the connecting angle steels, a plurality of reinforcing rib plates are fixed on the inner sides of the steel plates, and two ends of the supporting I-shaped steel are respectively fixed on the reinforcing rib plates of the two steel plates on the long sides of the rectangular.
Preferably, the bottom of the first connecting angle steel is triangular, two ends of the connecting angle steel are flush with the steel plate, and the reinforcing rib plate is a channel steel.
Preferably, the fixed seats are welded in the middle of four corners of the inner side of the first section of steel open caisson unit, and the pneumatic vibrator is installed on the fixed seats and is cylindrical.
Therefore, the utility model adopts the above structure a group welding formula steel open caisson for narrow and small space has following beneficial effect:
(1) And pneumatic vibrators are fixed at four corners inside the first section of steel open caisson unit, and the pneumatic vibrators at the four corners accelerate sinking and correct deviation in time.
(2) The bottom of the first connecting angle steel is triangular, so that the whole sinking is facilitated.
(3) And reinforcing rib plates are arranged on the steel plates of the first section of steel open caisson unit and the middle steel open caisson unit, and are provided with supporting I-shaped steel, so that the supporting strength is improved.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
Fig. 1 is a schematic structural view of a assembly welding type steel open caisson used in a narrow space;
FIG. 2 is a schematic structural diagram of a first section of steel open caisson unit of the present invention;
FIG. 3 is a schematic diagram of the structure of the middle steel open caisson unit of the present invention;
FIG. 4 is a schematic view of the structure of the reinforcing rib plate of the present invention;
fig. 5 is a schematic view of the structure of the supporting i-steel of the present invention.
Reference numerals
1. A first section of steel open caisson unit; 2. a middle steel open caisson unit; 3. a pneumatic vibrator; 4. a fixed seat; 5. a first connecting angle steel; 6. a steel plate; 7. connecting angle steel; 8. reinforcing rib plates; 9. and supporting the I-shaped steel.
Detailed Description
Examples
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the utility model is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element to be referred must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Some embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The embodiments and features of the embodiments described below can be combined with each other without conflict.
Construction background
The certain transfer station of the Jinan track traffic is positioned between Zhangzhuang road and Liuzhuang road in the Sui Huai shadow region in Jinan City, and is arranged along east and west directions of ten roads. DN1000mm water supply pipeline crossing the station in the engineering construction range needs to be migrated, the designed migration joint point is close to the Lincoln 4S point, and the joint is constructed by adopting an open caisson method.
Construction department needs to occupy the vehicle passageway of the Lincoln 4S shop of brick and concrete structure (bar basis), and the pipeline center is about 2m to the 4S structure wall outside. According to construction requirements, the distance between the excavation edge of the foundation pit and the edge of the 4S shop structure is less than 1.5m, the excavation depth of the foundation pit is 8m, the excavation range is mainly filled with miscellaneous soil and plain soil, the underground water level burial depth is less than 2m, the construction difficulty is high, and the risk is high. According to the actual situation of a construction site, the overall dimension of the steel open caisson is length multiplied by width multiplied by depth =4m multiplied by 3.5m multiplied by 8m. .
The assembly welding type steel open caisson for the narrow space comprises a first section of steel open caisson unit 1 and 3 middle steel open caisson units 2.
First section steel open caisson unit 1 includes four first angle connections 5, four steel sheets 6 and supports I-steel 9, and four steel sheets 6 are through a rectangle in four first angle connections 5 besieged city, and the bottom of first angle connections 5 is triangle-shaped, does benefit to whole sinking. A plurality of reinforcing rib plates 8 are fixed on the inner sides of the four steel plates 6, the I-shaped steel 9 is supported by the embodiment and is provided with one reinforcing rib plate 8, two ends of the reinforcing rib plate are fixed on the two steel plates 6 on the long side of the rectangle respectively, and the reinforcing rib plates 8 are channel steel. The welding of the inboard four corners middle part of first festival steel open caisson unit 2 has fixing base 4, and pneumatic vibrator 3 is installed on fixing base 4 and for cylindrical, and pneumatic vibrator 3 all is connected with the air compressor machine that is located ground and provides the pressurized air for it.
Middle steel open caisson unit 2 is similar with first section steel open caisson unit 1 structure, including four angle connector 7, four steel sheets 6 and support I-steel 9, and angle connector 7 both ends and 6 parallel and level of steel sheet are convenient for dock.
After the first section of steel open caisson unit 1 is manufactured on site, the first connecting angle steel 5 is erected firstly, then the steel plate 6 is erected, spot welding is carried out for fixing, the open caisson position is rechecked, the open caisson is aligned, the verticality meets the drawing requirement, earthwork is excavated according to the construction scheme requirement, when the first section of steel open caisson unit 1 sinks to a position 20-30 cm away from the ground, the open caisson sinking is stopped, the open caisson is guaranteed to be stable, and the middle steel open caisson unit 2 is welded on site. And the construction is carried out in a mode of sinking in sections and carrying out subsequent high-rise construction after sinking of the front section. When the sinking is slow, 4 starting vibrators can be simultaneously started, and 1 or 2 pneumatic vibrators can be started as required if deviation is corrected
Therefore, the utility model adopts the above structure a group welding formula steel open caisson for narrow and small space, stable in structure sinks with higher speed and in time rectifies through the pneumatic vibrator in four corners.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the preferred embodiments, those skilled in the art should understand that: the technical solution of the present invention can still be modified or replaced by other equivalent means, and the modified technical solution can not be separated from the spirit and scope of the technical solution of the present invention.
Claims (5)
1. The utility model provides a group welding formula steel open caisson for narrow and small space which characterized in that: including first section steel open caisson unit and a plurality of middle steel open caisson unit that welds in proper order, be located the bottommost middle steel open caisson unit with first section steel open caisson unit fixed connection, the inside four corners of first section steel open caisson unit all is fixed with pneumatic vibrator, pneumatic vibrator all is connected with the air compressor machine that is located ground.
2. The assembly welding type steel open caisson for narrow space according to claim 1, wherein: the first section of steel open caisson unit comprises four first connecting angle steels, four steel plates and supporting I-shaped steel, wherein the four steel plates are arranged in a surrounding manner of the first connecting angle steels in a rectangular manner, the steel plates are arranged on the inner sides of the first connecting angle steels in a fixed manner and are provided with a plurality of reinforcing rib plates, and the two ends of the supporting I-shaped steel are respectively fixed on the reinforcing rib plates of the two steel plates on the long sides of the rectangular shape.
3. The assembly welding type steel open caisson for small space according to claim 2, characterized in that: the middle steel open caisson unit comprises four connecting angle steels, four steel plates and supporting I-shaped steel, wherein the four steel plates are arranged in a rectangular and four-way manner, the connecting angle steels surround the city, a plurality of reinforcing rib plates are fixed on the inner sides of the steel plates, and two ends of the supporting I-shaped steel are respectively fixed on the reinforcing rib plates of the two steel plates on the long sides of the rectangle.
4. The assembly welding type steel open caisson for narrow space according to claim 3, wherein: the bottom of the first connecting angle steel is triangular, two ends of the connecting angle steel are flush with the steel plate, and the reinforcing rib plate is a channel steel.
5. The assembly welding type steel open caisson for narrow space according to claim 1, wherein: the pneumatic vibrator is installed on the fixing seat and is cylindrical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222433995.3U CN217949111U (en) | 2022-09-14 | 2022-09-14 | A assembly welding formula steel open caisson for narrow and small space |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222433995.3U CN217949111U (en) | 2022-09-14 | 2022-09-14 | A assembly welding formula steel open caisson for narrow and small space |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217949111U true CN217949111U (en) | 2022-12-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222433995.3U Active CN217949111U (en) | 2022-09-14 | 2022-09-14 | A assembly welding formula steel open caisson for narrow and small space |
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| CN (1) | CN217949111U (en) |
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- 2022-09-14 CN CN202222433995.3U patent/CN217949111U/en active Active
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