CN218933145U - Steel-concrete combined inner support dismantling system for deep foundation pit - Google Patents
Steel-concrete combined inner support dismantling system for deep foundation pit Download PDFInfo
- Publication number
- CN218933145U CN218933145U CN202223604393.6U CN202223604393U CN218933145U CN 218933145 U CN218933145 U CN 218933145U CN 202223604393 U CN202223604393 U CN 202223604393U CN 218933145 U CN218933145 U CN 218933145U
- Authority
- CN
- China
- Prior art keywords
- telescopic rod
- steel
- support
- fixing
- sound insulation
- 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.)
- Active
Links
Images
Abstract
The utility model relates to a deep foundation pit steel-concrete combined inner support dismantling system which comprises a safety net system, a sound insulation system and a support system; wherein the safety net system can avoid broken stone falling from the high altitude in the internal support cutting process to form a high altitude falling object. The sound insulation system can absorb noise generated in the internal support cutting process, and influence on the surrounding environment is reduced. The support system can realize free disassembly and installation of the device so as to meet the requirement of reusability. Meanwhile, the telescopic bracket adopted by the utility model can realize the free adjustment of the heights of the protective net system and the sound insulation system according to the height of the internal support to be disassembled so as to meet the requirements of different working conditions. The system moving and fixing system can be disassembled to realize the movement and fixing of the system, after the partial area is completed, the device can freely move to other areas, and compared with the prior art, the device is not required to be completely disassembled and recombined, so that the construction efficiency is remarkably improved.
Description
Technical Field
The utility model relates to the technical field of disassembly of steel-concrete combined inner supports of deep foundation pits, in particular to a disassembly system of steel-concrete combined inner supports of deep foundation pits.
Background
Along with the open method and utilization of urban underground space, underground civil air defense engineering, underground garages and urban infrastructure are increasingly constructed, and surrounding house buildings and municipal infrastructure are required to be protected in the underground engineering foundation pit construction process in order to ensure normal and safe use of the buildings and the municipal infrastructure. The steel-concrete combined inner support is used as a support structure with high rigidity, small deformation and construction, and is widely applied to deep foundation pit support of underground engineering in coastal soft soil areas. The deep foundation pit steel-concrete inner support is used as a temporary support structure for the construction of the underground engineering main body structure, and needs to be removed in time along with the construction of the underground engineering main body structure so as to ensure the smooth construction of the underground engineering main body structure.
Currently, the conventional foundation pit support dismantling technology mainly comprises 2 modes of blasting dismantling and hydraulic hammer dismantling. The blasting demolishs the damage such as flying stones, shock waves and vibration, and the like, and is easy to have great influence on an engineering main body and surrounding environments. The hydraulic hammer demolishs technical time limit long, easily produces continuous noise in the work progress, influences big to surrounding residential area. Meanwhile, in the disassembly process, part of flystones and parts are easy to fall from high altitude, and safety of constructors is threatened.
Therefore, in order to solve the common problems in the process of dismantling the steel-concrete combined inner support of the deep foundation pit, aiming at the engineering current situation that the problems are multiple, the influence on the surrounding environment is large and the safety of constructors is difficult to ensure, a system for dismantling the steel-concrete combined inner support of the deep foundation pit is needed to be constructed quickly, simply, safely and effectively, and is environment-friendly.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provides a deep foundation pit steel-concrete combined inner support dismantling system.
The system is demolishd to this kind of deep basal pit steel reinforced concrete combination internal support, includes: a safety net system, a sound insulation system and a support system;
the safety net system comprises geotextile and a steel wire net; the geotechnical cloth is positioned at the uppermost layer of the safety net system, the steel wire net is positioned at the lower layer of the geotechnical cloth, and the safety net system is fixed on the support system;
the support system comprises a rotating shaft, a rotatable steel bracket, a first telescopic rod, a second telescopic rod and a third telescopic rod; the rotatable steel bracket is connected with the first telescopic rod through the rotating shaft; the first telescopic rod, the second telescopic rod and the third telescopic rod are sequentially sleeved; the bottom of the support system is provided with a disassembly system moving and fixing system;
the sound insulation system comprises a sound insulation plate, sealing foam and a connecting steel plate; the bottom of the sound insulation plate is provided with a connecting steel plate, and the top of the first telescopic rod is fixedly connected with the connecting steel plate through a second fixing bolt; the sound insulation board wraps the concrete inner support and the section steel support, and sealing foam is filled between the sound insulation board and the gaps between the concrete inner support and the section steel support.
As preferable: the disassembly system moving and fixing system is positioned at the bottom of the third telescopic rod; the disassembly system moving and fixing system comprises a roller baffle, a fifth fixing bolt, a fixing hole and a roller, and the roller baffle is in sealing connection with the third telescopic rod; the roller is fixed below the roller baffle in a rolling way; and a fifth fixing bolt is arranged on the roller baffle plate through a fixing hole.
As preferable: the geotechnical cloth and the steel wire mesh are fixed on the support system through first fixing bolts.
As preferable: the rotatable steel bracket and the first telescopic rod are respectively provided with a fixing salient point; a supporting rod is fixed between the rotatable steel bracket and the fixing salient point of the first telescopic rod; after the supporting rod is removed, the rotatable steel support is connected with the first telescopic rod in a rotating mode through the rotating shaft.
As preferable: the first telescopic rod and the second telescopic rod are fixed through a third fixing bolt, and the second telescopic rod and the third telescopic rod are fixed through a fourth fixing bolt; when the third fixing bolt and the fourth fixing bolt are in a unscrewed state, the first telescopic rod, the second telescopic rod and the third telescopic rod are in sliding sleeve joint along the vertical direction.
As preferable: the roller baffle and the rollers are provided with fixing holes; when the fifth fixing bolt passes through the fixing hole, the roller is fixed.
As preferable: connecting holes are formed in the top of the first telescopic rod and the connecting steel plate; the second fixing bolt penetrates through the connecting hole, and the top of the first telescopic rod, the connecting steel plate and the sound insulation plate are fixedly connected.
The beneficial effects of the utility model are as follows:
1) The safety net system can prevent broken stone from falling from the high altitude in the cutting process of the inner support, so that a high altitude falling object is formed, and the safety of personnel and the bottom of a foundation pit are threatened.
2) The sound insulation system adopted by the utility model can absorb noise generated in the cutting process of the internal support, and reduce the influence on the surrounding environment.
3) The support system adopted by the utility model can realize free disassembly and installation of the device so as to meet the requirement of repeated use, and has the advantages of convenient assembly, small storage occupation space, low cost and the like.
4) The telescopic rod adopted by the utility model can realize the free adjustment of the heights of the safety net system and the sound insulation system according to the internal support height to be disassembled so as to meet the requirements of different working conditions.
5) The system for moving and fixing the dismantling system can realize moving and fixing the system, and in the using process, after the partial area is completed, the device can freely move to other areas without completely dismantling and reorganizing the device, so that the efficiency is remarkably improved.
6) The sound insulation system adopted by the utility model is composed of a plurality of sound insulation board parts, and sealing foam is filled between the sound insulation board and the gaps between the concrete inner support and the section steel support, so that the requirements of inner support parts to be disassembled in different shapes can be met, and the sound insulation system has wide engineering applicability.
Drawings
FIG. 1 is a top view of a concrete inner support removal guard;
FIG. 2 is a top view of a section steel support disassembly guard;
FIG. 3 is a cross-sectional view of a deep foundation pit steel-concrete composite inner support removal system;
FIG. 4 is a detailed view of the structure of the safety net;
FIG. 5 is a detailed view of the connection of the support system to the sound insulation system;
wherein: the safety net system 1, geotextile 1-1, steel wire net 1-2, first fixing bolt 1-3, sound insulation system 2, sound insulation board 2-1, sealing foam 2-2, connecting steel plate 2-3, second fixing bolt 2-4, connecting hole 2-5, supporting system 3, rotating shaft 3-1, rotatable steel bracket 3-2, supporting rod 3-3, fixing salient point 3-4, first telescopic rod 3-5, third fixing bolt 3-6, second telescopic rod 3-7, fourth fixing bolt 3-8, third telescopic rod 3-9, dismantling system moving fixing system 4, roller baffle 4-1, fifth fixing bolt 4-2, fixing hole 4-3, roller 4-4, concrete inner support 5 and section steel support 6.
Detailed Description
The utility model is further described below with reference to examples. The following examples are presented only to aid in the understanding of the utility model. It should be noted that it will be apparent to those skilled in the art that modifications can be made to the present utility model without departing from the principles of the utility model, and such modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.
As an embodiment, as shown in fig. 1 to 5, a deep foundation pit steel-concrete composite inner support dismantling system includes: a safety net system 1, a sound insulation system 2 and a support system 3;
as shown in fig. 3 and 4, the safety net system 1 includes geotextile 1-1, steel wire net 1-2, and first fixing bolts 1-3; the geotextile 1-1 is positioned at the uppermost layer of the safety net system 1 and is used for isolating powdery tiny falling objects; the steel wire mesh 1-2 is positioned at the lower layer of the geotechnical cloth 1-2 and is used for improving the strength and rigidity of the safety net system 1 so that the safety net system can bear the gravity and the falling impact force of larger broken stones; the geotextile 1-1 and the steel wire mesh 1-2 are fixed on the support system 3 through the first fixing bolts 1-3; the geotechnical cloth 1-1 and the steel wire gauze 1-2 are detachably fixed in a deep foundation pit steel-concrete combined inner support efficient dismantling system, and the size, the material and the like of the geotechnical cloth 1-1 and the steel wire gauze 1-2 can be replaced according to engineering requirements.
As shown in fig. 3 and 5, the support system 3 includes a rotation shaft 3-1, a rotatable steel bracket 3-2, a support rod 3-3, a first telescopic rod 3-5, a second telescopic rod 3-7, and a third telescopic rod 3-9; the rotatable steel bracket 3-2 is connected with the first telescopic rod 3-5 through the rotating shaft 3-1; the rotatable steel bracket 3-2 and the first telescopic rod 3-5 are respectively provided with a fixing salient point 3-4; the supporting rod 3-3 is fixed on the fixing salient points 3-4 so as to ensure that the rotatable steel bracket 3-2 does not rotate in the using process; the supporting rod 3-3 can be detached from the system after the disassembly construction is completed; the rotatable steel support 3-2 is free to rotate about the rotation axis 3-1 to facilitate disassembly, folding and storage of the device. The first telescopic rod 3-5, the second telescopic rod 3-7 and the third telescopic rod 3-9 are detachably fixed through a third fixing bolt 3-6 and a fourth fixing bolt 3-8 respectively; the first telescopic rod 3-5, the second telescopic rod 3-7 and the third telescopic rod 3-9 can freely stretch in the vertical direction and can be fixed by the third fixing bolt 3-6 and the fourth fixing bolt 3-8 so as to meet the requirements of different heights for disassembly support and facilitate disassembly and storage of the device.
As shown in fig. 1 to 3, the sound insulation system 2 includes a sound insulation plate 2-1, a sealing foam 2-2, and a connection steel plate 2-3; the sound insulation plate 2-1 wraps the concrete inner support 5 and the profile steel support 6, a connecting steel plate 2-3 is arranged at the bottom of the sound insulation plate 2-1, and connecting holes 2-5 are formed in the top of the first telescopic rod 3-5 and the connecting steel plate 2-3; the second fixing bolt 2-4 passes through the connecting hole 2-5 to realize the connection and fixation of the top of the first telescopic rod 3-5, the connecting steel plate 2-3 and the sound insulation plate 2-1; the gap between the sound insulation plate 2-1 and the concrete inner support 5 and the section steel support 6 is sealed by sealing foam 2-2.
As shown in fig. 3, the disassembly system moving and fixing system 4 is positioned at the bottom of the third telescopic rod 3-9; the roller baffle 4-1 is in sealing connection with the third telescopic rod 3-9; the roller 4-4 is fixed on the roller baffle 4-1 in a rolling way and is used for realizing free movement of the disassembly system; the roller baffle 4-1 is provided with a fixing hole 4-3 for installing a fifth fixing bolt 4-2 so as to prevent the roller 4-4 from rolling in the disassembling construction process. The roller baffle 4-1 and the roller 4-4 are provided with fixing holes 4-3; when the deep foundation pit steel-concrete combined inner support dismantling system reaches a designated position, a fifth fixing bolt 4-2 can be used for penetrating through the fixing hole 4-3, so that the idler wheel 4-4 cannot roll, and the deep foundation pit steel-concrete combined inner support dismantling system is fixed.
Claims (7)
1. The utility model provides a deep basal pit steel-thoughtlessly make up internal support demolishs system which characterized in that includes: a safety net system (1), a sound insulation system (2) and a support system (3);
the safety net system (1) comprises geotextiles (1-1) and a steel wire net (1-2); the geotextile (1-1) is positioned at the uppermost layer of the safety net system (1), the steel wire net (1-2) is positioned at the lower layer of the geotextile (1-1), and the safety net system (1) is fixed on the support system (3);
the support system (3) comprises a rotating shaft (3-1), a rotatable steel bracket (3-2), a first telescopic rod (3-5), a second telescopic rod (3-7) and a third telescopic rod (3-9); the rotatable steel bracket (3-2) is connected with the first telescopic rod (3-5) through the rotating shaft (3-1); the first telescopic rod (3-5), the second telescopic rod (3-7) and the third telescopic rod (3-9) are sequentially sleeved; the bottom of the support system (3) is provided with a disassembly system movable fixing system (4);
the sound insulation system (2) comprises a sound insulation plate (2-1), sealing foam (2-2) and a connecting steel plate (2-3); the bottom of the sound insulation plate (2-1) is provided with a connecting steel plate (2-3), and the top of the first telescopic rod (3-5) and the connecting steel plate (2-3) are fixedly connected through a second fixing bolt (2-4); the sound insulation board (2-1) wraps the concrete inner support (5) and the profile steel support (6), and sealing foam (2-2) is filled between the sound insulation board (2-1) and a gap between the concrete inner support (5) and the profile steel support (6).
2. The deep foundation pit steel-concrete composite inner support dismantling system according to claim 1, wherein: the disassembly system moving and fixing system (4) is positioned at the bottom of the third telescopic rod (3-9); the disassembly system moving and fixing system (4) comprises a roller baffle (4-1), a fifth fixing bolt (4-2), a fixing hole (4-3) and a roller (4-4), wherein the roller baffle (4-1) is in sealing connection with the third telescopic rod (3-9); the roller (4-4) is fixed below the roller baffle (4-1) in a rolling way; a fifth fixing bolt (4-2) is arranged on the roller baffle plate (4-1) through a fixing hole (4-3).
3. The deep foundation pit steel-concrete composite inner support dismantling system according to claim 1, wherein: the geotechnical cloth (1-1) and the steel wire mesh (1-2) are fixed on the support system (3) through first fixing bolts (1-3).
4. A deep foundation pit steel-concrete composite inner support removal system according to claim 3, wherein: the rotatable steel bracket (3-2) and the first telescopic rod (3-5) are respectively provided with fixing salient points (3-4); a supporting rod (3-3) is fixed between the rotatable steel bracket (3-2) and the fixing salient points (3-4) of the first telescopic rod (3-5); after the supporting rod (3-3) is detached, the rotatable steel support (3-2) is rotatably connected with the first telescopic rod (3-5) through the rotating shaft (3-1).
5. The deep foundation pit steel-concrete composite inner support dismantling system according to claim 1, wherein: the first telescopic rod (3-5) and the second telescopic rod (3-7) are fixed through a third fixing bolt (3-6), and the second telescopic rod (3-7) and the third telescopic rod (3-9) are fixed through a fourth fixing bolt (3-8); when the third fixing bolt (3-6) and the fourth fixing bolt (3-8) are in an unscrewed state, the first telescopic rod (3-5), the second telescopic rod (3-7) and the third telescopic rod (3-9) are in sliding sleeve joint along the vertical direction.
6. The deep foundation pit steel-concrete composite inner support dismantling system according to claim 2, wherein: the roller baffle (4-1) and the roller (4-4) are provided with fixing holes (4-3); when the fifth fixing bolt (4-2) passes through the fixing hole (4-3), the roller (4-4) is fixed.
7. The deep foundation pit steel-concrete composite inner support dismantling system according to claim 1, wherein: the top of the first telescopic rod (3-5) and the connecting steel plate (2-3) are respectively provided with a connecting hole (2-5); the second fixing bolt (2-4) penetrates through the connecting hole (2-5), and the top of the first telescopic rod (3-5), the connecting steel plate (2-3) and the sound insulation plate (2-1) are fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223604393.6U CN218933145U (en) | 2022-12-30 | 2022-12-30 | Steel-concrete combined inner support dismantling system for deep foundation pit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223604393.6U CN218933145U (en) | 2022-12-30 | 2022-12-30 | Steel-concrete combined inner support dismantling system for deep foundation pit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218933145U true CN218933145U (en) | 2023-04-28 |
Family
ID=86068017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223604393.6U Active CN218933145U (en) | 2022-12-30 | 2022-12-30 | Steel-concrete combined inner support dismantling system for deep foundation pit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218933145U (en) |
-
2022
- 2022-12-30 CN CN202223604393.6U patent/CN218933145U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105672517A (en) | Swing self-reset and self-standing type high-rise structure | |
| CN107044142A (en) | Adjustable reinforcement and rectification method and structure for reducing house differential settlement | |
| CN207017276U (en) | A kind of packaged type open caisson inner supporting structure | |
| CN218933145U (en) | Steel-concrete combined inner support dismantling system for deep foundation pit | |
| Clemente et al. | Seismic isolation in existing complex structures | |
| CN213625559U (en) | Anti-freezing-pulling anti-seismic sleeve pile | |
| CN111395411A (en) | Be used for interim engineering pile foundation scour prevention device on water | |
| CN111535333A (en) | Complicated reconstruction foundation pit engineering pile foundation structure and construction method | |
| CN110725342B (en) | Three-dimensional multi-defense line double-raft shock insulation structure suitable for nuclear power station in soft soil area | |
| CN213653839U (en) | Anti-seismic device for civil engineering | |
| CN2359333Y (en) | Soil bolt, taper pile and nonopen digging buried pipe hammering device | |
| CN109371978B (en) | Civil engineering foundation ditch is safe supporting construction for support | |
| CN101408024A (en) | Undercrossing subway tunnel pit supporting and protecting structure of high-rise building or super high-rise building | |
| CN211527221U (en) | Tunnel blasting protector convenient to dismouting | |
| CN215629990U (en) | Inner supporting structure for foundation pit | |
| CN219637905U (en) | Novel base shock insulation and absorption system | |
| CN218293018U (en) | Communication single-pipe tower with spiral pile foundation | |
| CN212561629U (en) | Be used for interim engineering pile foundation scour prevention device on water | |
| CN2464837Y (en) | Multi-function earthquake-resistant building structure | |
| CN214061608U (en) | Building construction pile driver of area assistance-localization real-time function | |
| CN112962624B (en) | Double-curtain freezing groove wall method for ultra-deep and ultra-large complex foundation pit construction | |
| CN219011229U (en) | Interlayer shock absorption and shock insulation composite structure system | |
| CN110566212B (en) | Construction method for tunnel-first and well-second underground excavation air duct | |
| CN115095226B (en) | Light high-large fence and erection method | |
| CN102587390A (en) | Outside-enhanced retaining supporting structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |