CN213417845U - Foundation pit supporting structure - Google Patents
Foundation pit supporting structure Download PDFInfo
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- CN213417845U CN213417845U CN202022150713.XU CN202022150713U CN213417845U CN 213417845 U CN213417845 U CN 213417845U CN 202022150713 U CN202022150713 U CN 202022150713U CN 213417845 U CN213417845 U CN 213417845U
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Abstract
The application relates to a foundation ditch supporting construction, it includes: the telescopic assembly comprises a bottom plate, a supporting and protecting plate and a telescopic assembly; the bottom plate is arranged at the bottom of the foundation pit; the supporting and protecting plate is attached to the side wall of the foundation pit, and the two ends, close to each other, of the supporting and protecting plate and the bottom plate are hinged; the telescopic assembly is arranged between the bottom plate and the supporting plate, one end of the telescopic assembly is hinged to the surface of one side, away from the bottom of the foundation pit, of the bottom plate, and the other end of the telescopic assembly is hinged to the surface of one side, away from the side wall of the foundation pit, of the supporting plate. This application has and makes foundation ditch supporting construction can adapt to the different multiple foundation ditch of slope better, helps the recycle of structure, plays resources are saved's effect.
Description
Technical Field
The application relates to the technical field of civil engineering, in particular to a foundation pit supporting structure.
Background
The foundation pit refers to the space below the ground excavated for the construction of a building foundation and a basement, the foundation pit can cause the deformation of the surrounding soil body in the excavation process and can also affect the surrounding buildings and underground pipelines, so in order to ensure the smooth construction of the foundation pit and the safety of the surrounding buildings, a supporting structure is usually arranged in the foundation pit, and the supporting structure of the foundation pit is used for supporting the side wall of the foundation pit, so that the collapse of the side wall of the foundation pit is not easy to occur.
The foundation pit supporting structure has multiple forms, adopts the steel sheet pile to strut among the correlation technique, during field erection, inserts the steel sheet pile bottom the foundation pit earlier to the steel sheet pile sets up around the foundation pit inside wall in succession, installs a supporting beam between the steel sheet pile on the relative both sides wall of foundation pit after that, and a supporting beam makes the steel sheet pile on the relative both sides wall can laminate the lateral wall of foundation pit, thereby makes the difficult condition that appears collapsing of foundation pit lateral wall.
In view of the above related technologies, the inventor believes that the supporting structure cannot be well adapted to various foundation pits with different slopes.
SUMMERY OF THE UTILITY MODEL
In order to make excavation supporting construction can adapt to the different multiple foundation ditch of slope better, this application provides an excavation supporting construction.
The application provides a foundation ditch supporting construction adopts following technical scheme:
a foundation pit supporting structure comprising: the telescopic assembly comprises a bottom plate, a supporting and protecting plate and a telescopic assembly; the bottom plate is arranged at the bottom of the foundation pit; the supporting and protecting plate is attached to the side wall of the foundation pit, and the two ends, close to each other, of the supporting and protecting plate and the bottom plate are hinged; the telescopic assembly is arranged between the bottom plate and the supporting plate, one end of the telescopic assembly is hinged to the surface of one side, away from the bottom of the foundation pit, of the bottom plate, and the other end of the telescopic assembly is hinged to the surface of one side, away from the side wall of the foundation pit, of the supporting plate.
Through adopting above-mentioned technical scheme, during the installation excavation supporting construction, can place the bottom plate in the excavation bottom earlier, and make bottom plate and the articulated department of backup pad be in the junction of excavation lateral wall and excavation bottom, make the backup pad rotate around the articulated department with the bottom plate through flexible subassembly after that, thereby make backup pad keep away from bottom plate one side surface energy butt excavation lateral wall, this kind of design, the backup pad can be adjusted according to excavation lateral wall's actual conditions, make and laminate completely between the excavation lateral wall of backup pad and different slopes, help this kind of supporting construction to adapt to the excavation of multiple different slopes.
Preferably, the telescopic assembly comprises: the screw rod assembly comprises a sleeve, a first screw rod and a second screw rod, wherein a forward internal thread is arranged at one end of the inner wall of the sleeve, and a reverse internal thread is arranged at the other end of the inner wall of the sleeve; a positive external thread is arranged on the circumferential side surface of the first screw rod, one end of the first screw rod is hinged with the supporting plate, and the other end of the first screw rod is in threaded connection with the sleeve through the positive internal thread on the sleeve; and reverse external threads are arranged on the circumferential side surface of the second screw rod, one end of the second screw rod is hinged with the bottom plate, and the other end of the second screw rod is in threaded connection with the sleeve through the reverse internal threads on the sleeve.
Through adopting above-mentioned technical scheme, the sleeve pipe is rotated to the accessible for be close to each other or keep away from each other between first screw rod and the second screw rod, then the length of flexible subassembly can shorten or lengthen, thereby reaches to make the supporting plate around the articulated department pivoted purpose of bottom plate, and then makes the supporting plate can carry out the regulation of adaptability according to the actual slope condition of foundation ditch lateral wall, then helps the supporting plate to closely paste the foundation ditch lateral wall.
Preferably, the telescopic assemblies are horizontally arranged in two groups, and the two groups of telescopic assemblies are arranged at intervals.
Through adopting above-mentioned technical scheme, be provided with two sets of flexible subassemblies because of level and interval for prop up the backplate and can receive more even thrust or pulling force, thereby make the backplate can rotate around the articulated department of bottom plate more easily.
Preferably, the two groups of telescopic assemblies are provided with driving assemblies for simultaneously driving the sleeves to rotate in the same direction; the drive assembly includes: the mounting shell spans over the two sleeves, and two ends of the mounting shell are respectively in rotary connection with the two sleeves through bearings; the two worm gears are respectively fixedly sleeved on the two sleeves; the two ends of the worm are respectively rotatably connected with the mounting shell, and the worm is meshed with the two worm wheels simultaneously.
Through adopting above-mentioned technical scheme, the accessible rotates the worm, make two worm wheels of worm simultaneous drive rotate, then the worm wheel just can the drivepipe rotate, make can keep away from each other simultaneously or be close to each other between first screw rod in two sets of flexible subassemblies and the second screw rod, thereby reach the purpose that changes flexible subassembly length simultaneously, this kind of design, compare in letting two staff rotate a sheathed tube mode respectively, the manpower has been saved on the one hand, on the other hand because two flexible subassemblies can be driven simultaneously, be difficult for appearing successive condition, help propping up the more steady butt of backplate on the lateral wall of foundation ditch.
Preferably, one end of the worm penetrates out of the mounting shell, and a rotating wheel is fixedly arranged at one end of the worm penetrating out of the mounting shell.
Through adopting above-mentioned technical scheme, when the drive worm rotated, the staff can exert the commentaries on classics power to the worm better through the runner to make the worm can rotate ground more smoothly, also more laborsaving during the rotation moreover.
Preferably, the bottom plate is provided with a fixing screw, and the fixing screw is used for fixing the bottom plate on the bottom of the foundation pit.
Through adopting above-mentioned technical scheme, staff's accessible set screw fixes the bottom plate for the condition that the supporting construction is difficult for appearing sliding because of the vibrations that produce in the work progress has promoted supporting construction's stability, and the supporting plate is difficult for appearing leaving the condition of foundation ditch lateral wall in addition.
Preferably, be provided with the bolster between bottom plate and the foundation ditch bottom, bolster one side surface is close to foundation ditch bottom one side fixed surface with the bottom plate and is connected, and the other side surface and foundation ditch bottom butt.
Through adopting above-mentioned technical scheme, the bolster can reduce the influence of the vibrations that the time base bottom surface produced when the construction to supporting construction to make the backplate can inseparabler laminating foundation ditch lateral wall.
Preferably, the bottom plate upper surface is provided with a drainage channel, the drainage channel extends along the bottom plate upper surface near one side edge of the support plate, and the bottom plate upper surface inclines towards one side of the notch of the drainage channel.
Through adopting above-mentioned technical scheme, when raining, the rainwater that flows into in the foundation ditch from the foundation ditch outward can flow the bottom plate along water drainage tank from the bottom plate for the rainwater that falls on the bottom plate can conveniently flow away from the bottom plate more, is difficult for remaining on the bottom plate, and the bottom plate upper surface is difficult for soaking the corrosion because of the rainwater more.
In summary, the present application includes at least one of the following beneficial technical effects:
1. through the arrangement of the bottom plate, the supporting and protecting plate and the telescopic assembly, the supporting and protecting plate can be completely attached to the side walls of foundation pits with different gradients, and the supporting and protecting structure is favorable for adapting to the foundation pits with various gradients;
2. through the arrangement of the driving assemblies, the two groups of telescopic assemblies can be driven simultaneously, so that the sequential situation is not easy to occur, and the supporting plate can be stably abutted against the side wall of the foundation pit;
3. through the arrangement of the rotating wheel, the worm rotates more smoothly, and the rotation is more labor-saving.
Drawings
Fig. 1 is a perspective view of an excavation supporting structure in an embodiment of the present application.
Fig. 2 is an enlarged view of a in fig. 1.
Fig. 3 is a sectional structural view of the drive assembly.
Description of reference numerals: 1. a base plate; 2. supporting the guard plate; 3. a telescoping assembly; 31. a sleeve; 32. a first screw; 33. a second screw; 4. a drive assembly; 41. installing a shell; 42. a worm gear; 43. a worm; 5. a rotating wheel; 6. a set screw; 7. a buffer member; 8. a water discharge tank; 9. and (7) installing holes.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses a foundation ditch supporting construction. Referring to fig. 1, the foundation pit supporting structure comprises a bottom plate 1, a supporting plate 2 and a telescopic assembly 3, wherein the bottom plate 1 is tiled at the bottom of a foundation pit; the supporting plate 2 is attached to the side wall of the foundation pit, and the two ends, close to each other, of the supporting plate 2 and the bottom plate 1 are hinged; the telescopic component 3 is arranged between the base plate 1 and the supporting plate 2, one end of the telescopic component 3 is hinged to one side surface, away from the bottom of the foundation pit, of the base plate 1, and the other end of the telescopic component is hinged to one side surface, away from the side wall of the foundation pit, of the supporting plate 2.
Referring to fig. 1, when installation excavation supporting mechanism, can place bottom plate 1 in the foundation ditch bottom earlier, and make bottom plate 1 and the articulated department of a backplate 2 be located the junction of excavation lateral wall and excavation bottom, make a backplate 2 rotate around the articulated department with bottom plate 1 through flexible subassembly 3 after that, thereby make a backplate 2 keep away from 1 side surface of bottom plate ability butt excavation lateral wall, this kind of design, the supporting plate 2 can carry out the regulation of adaptability according to the actual slope of excavation lateral wall, make and laminate completely between supporting plate 2 and the excavation lateral wall.
Referring to fig. 1 and 2, the base plate 1 and the supporting plate 2 are square plates made of aluminum alloy, and the base plate 1 and the supporting plate 2 are hinged through a plurality of hinges; a plurality of fixing screws 6 are arranged on the bottom plate 1 at intervals, and the fixing screws 6 vertically penetrate through the bottom plate 1 and are inserted into the stratum at the bottom of the foundation pit, so that the bottom plate 1 is fixed at the bottom of the foundation pit.
Referring to fig. 1, the upper surface of the bottom plate 1 is close to one side edge of the supporting plate 2, and a water drainage groove 8 is further formed in the edge of one side of the supporting plate, the length direction of the water drainage groove 8 extends along the edge of one side of the supporting plate 1, and the upper surface of the bottom plate 1 inclines towards the notch of the water drainage groove 8, so that rainwater is not prone to remaining on the bottom plate 1, and the upper surface of the bottom plate 1 is not prone to being corroded due to rainwater soaking.
Referring to fig. 1 and 2, the lower surface of the bottom plate 1 is further adhered with a buffer member 7, in this embodiment, the buffer member 7 is a rubber pad, and the buffer member 7 is far away from the surface of one side of the bottom plate 1 and abutted against the bottom of the foundation pit, so that the supporting and protecting plate 2 is not prone to shaking in the construction process, and the supporting and protecting plate 2 is not prone to being separated from the side wall of the foundation pit.
Referring to fig. 1, telescopic component 3 level is provided with two sets ofly to the interval sets up between two sets of telescopic component 3, specifically, telescopic component 3 includes: the screw driver comprises a sleeve 31, a first screw 32 and a second screw 33, wherein the sleeve 31 is in a round tube shape and is made of stainless steel, one end of the sleeve 31 is provided with a forward thread, and the other end of the sleeve 31 is provided with a reverse internal thread; the first screw rod 32 is made of stainless steel, a positive external thread is arranged on the peripheral side surface of the first screw rod 32, one end of the first screw rod 32 is hinged with the supporting plate 2, and the other end of the first screw rod 32 is inserted into the sleeve 31 and is in threaded connection with the sleeve 31 through the positive internal thread on the sleeve 31; the second screw 33 is also made of stainless steel, a reverse external thread is formed on the circumferential side surface of the second screw 33, one end of the second screw 33 is hinged with the bottom plate 1, and the other end of the second screw 33 is inserted into the sleeve 31 and is in threaded connection with the sleeve 31 through the reverse internal thread on the sleeve 31.
Referring to fig. 1, when the sleeve 31 is rotated, the first screw rod 32 and the second screw rod 33 are close to each other or far away from each other, so that the length of the telescopic assembly 3 can be shortened or lengthened, thereby achieving the purpose of driving the supporting plate 2 to rotate around the hinged part with the bottom plate 1, further enabling the supporting plate 2 to be correspondingly adjusted according to the actual gradient condition of the side wall of the foundation pit, and further enabling the supporting plate 2 to be better attached to the side wall of the foundation pit.
Referring to fig. 1 and 3, two sets of telescopic assemblies 3 are further provided with a driving assembly 4 for simultaneously driving the sleeves 31 to rotate in the same direction, specifically, the driving assembly 4 includes: the mounting device comprises a mounting shell 41, a worm wheel 42 and a worm 43, wherein the mounting shell 41 is in a cuboid shape and is made of stainless steel, the mounting shell 41 spans over two sleeves 31, two opposite side walls of the mounting shell 41 are provided with mounting holes 9 for the sleeves 31 to pass through, and the inner walls of the mounting holes 9 are rotatably connected with the sleeves 31 through bearings; the worm gears 42 are made of stainless steel and are also provided with two worm gears 42, the two worm gears 42 are respectively sleeved on the two sleeves 31, and the worm gears 42 are welded with the sleeves 31; the worm 43 is made of stainless steel, two ends of the worm 43 respectively penetrate through the mounting shell 41, the worm 43 is rotatably connected with the mounting shell 41 through a bearing, and the worm 43 is meshed with the two worm wheels 42 simultaneously.
Referring to fig. 1 and 3, when rotating worm 43, worm 43 can drive two worm wheel 42 simultaneously and rotate, then worm wheel 42 just can drive two sleeve pipes 31 simultaneously and rotate, make and to be close to each other or keep away from each other simultaneously between first screw rod 32 and the second screw rod 33 in two sets of flexible subassemblies 3, thereby reach the purpose that changes flexible subassembly 3 length simultaneously, compare in the mode that lets two staff rotate a sleeve pipe 31 respectively, this kind of design, make two sets of flexible subassemblies 3 difficult the condition that changes asynchronization appears, thereby prop up backplate 2 and rotate more steadily around the articulated department of bottom plate 1.
Referring to fig. 1 and 3, in order to enable a worker to rotate the worm 43 more conveniently, the end of the worm 43, which penetrates out of the mounting housing 41, is further fixed with the rotating wheel 5 through a screw, so that the worker can apply a rotating force to the worm 43 through the rotating wheel 5, and the worm 43 can be rotated more easily.
The implementation principle of the foundation pit supporting structure in the embodiment of the application is as follows: when the foundation pit supporting structure is installed, firstly, the bottom plate 1 is placed at the bottom of a foundation pit, the hinged part of the bottom plate 1 and the supporting plate 2 is positioned at the connecting part of the side wall of the foundation pit and the bottom of the foundation pit, then the worm 43 is rotated through the rotating wheel 5, the worm 43 can simultaneously drive the two worm gears 42 to rotate, further the worm gears 42 drive the two sleeves 31 to rotate in the same direction, the first screw rod 32 and the second screw rod 33 of the telescopic assembly 3 can be far away from or close to each other, so that the length of the telescopic assembly 3 is changed, further, the supporting plate 2 rotates around the hinged part with the bottom plate 1, when the supporting plate 2 is abutted against the side wall of the foundation pit, the worm 43 stops rotating, finally, the fixing screw 6 is used for fixing the bottom plate 1 on the bottom of the foundation pit, in the design mode, the supporting plate 2 can correspondingly adjust according to the actual gradient condition of the side, thereby enhancing the supporting strength of the supporting plate 2.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. A foundation pit supporting structure, comprising: the device comprises a bottom plate (1), a supporting plate (2) and a telescopic assembly (3); the bottom plate (1) is arranged at the bottom of the foundation pit; the supporting and protecting plate (2) is attached to the side wall of the foundation pit, and the two ends, close to each other, of the supporting and protecting plate (2) and the bottom plate (1) are hinged; the telescopic component (3) is arranged between the bottom plate (1) and the supporting plate (2), one end of the telescopic component (3) is hinged to the surface of one side, away from the bottom of the foundation pit, of the bottom plate (1), and the other end of the telescopic component is hinged to the surface of one side, away from the side wall of the foundation pit, of the supporting plate (2).
2. The excavation supporting structure of claim 1, wherein: the telescopic assembly (3) comprises: the screw rod structure comprises a sleeve (31), a first screw rod (32) and a second screw rod (33), wherein a forward internal thread is arranged at one end of the inner wall of the sleeve (31), and a reverse internal thread is arranged at the other end of the inner wall of the sleeve (31); a positive external thread is arranged on the circumferential side surface of the first screw (32), one end of the first screw (32) is hinged with the supporting plate (2), and the other end of the first screw is in threaded connection with the sleeve (31) through the positive internal thread on the sleeve (31); the side surface of the second screw rod (33) is provided with reverse external threads, one end of the second screw rod (33) is hinged with the bottom plate (1), and the other end of the second screw rod is in threaded connection with the sleeve (31) through the reverse internal threads on the sleeve (31).
3. The excavation supporting structure of claim 2, wherein: the telescopic assemblies (3) are horizontally provided with two groups, and the two groups of telescopic assemblies (3) are arranged at intervals.
4. The excavation supporting structure of claim 3, wherein: the two groups of telescopic assemblies (3) are provided with driving assemblies (4) for simultaneously driving the sleeves (31) to rotate in the same direction; the drive assembly (4) comprises: the mounting structure comprises a mounting shell (41), a worm wheel (42) and a worm (43), wherein the mounting shell (41) spans two sleeves (31), and two ends of the mounting shell are respectively in rotary connection with the two sleeves (31) through bearings; the two worm gears (42) are also arranged, and the two worm gears (42) are respectively fixedly sleeved on the two sleeves (31); two ends of the worm (43) are respectively connected with the mounting shell (41) in a rotating mode, and the worm (43) is meshed with the two worm wheels (42) simultaneously.
5. The excavation supporting structure of claim 4, wherein: one end of the worm (43) penetrates through the mounting shell (41), and one end of the worm (43) penetrates through the mounting shell (41) and is fixedly provided with a rotating wheel (5).
6. The excavation supporting structure of claim 5, wherein: the base plate (1) is provided with a fixing screw (6), and the fixing screw (6) is used for fixing the base plate (1) on the bottom of the foundation pit.
7. The excavation supporting structure of claim 6, wherein: be provided with bolster (7) between bottom plate (1) and the foundation ditch bottom, bolster (7) one side surface is close to foundation ditch bottom one side fixed surface with bottom plate (1) and is connected, and the other side surface is with foundation ditch bottom butt.
8. The excavation supporting structure of claim 7, wherein: bottom plate (1) upper surface department is provided with water drainage tank (8), and the length direction of water drainage tank (8) is close to a backplate (2) side edge along bottom plate (1) upper surface and extends to bottom plate (1) upper surface is towards the notch one side slope of water drainage tank (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022150713.XU CN213417845U (en) | 2020-09-25 | 2020-09-25 | Foundation pit supporting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022150713.XU CN213417845U (en) | 2020-09-25 | 2020-09-25 | Foundation pit supporting structure |
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| Publication Number | Publication Date |
|---|---|
| CN213417845U true CN213417845U (en) | 2021-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022150713.XU Active CN213417845U (en) | 2020-09-25 | 2020-09-25 | Foundation pit supporting structure |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114809018A (en) * | 2022-05-26 | 2022-07-29 | 广东广强基础工程有限公司 | Foundation pit supporting system and construction method thereof |
| CN115030177A (en) * | 2022-06-14 | 2022-09-09 | 北京市政建设集团有限责任公司 | Anti-seepage device with supporting effect for foundation pit excavation and method |
| CN115369887A (en) * | 2022-08-30 | 2022-11-22 | 中铁十一局集团有限公司 | Steel sheet pile supporting system for box culvert foundation pit |
-
2020
- 2020-09-25 CN CN202022150713.XU patent/CN213417845U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114809018A (en) * | 2022-05-26 | 2022-07-29 | 广东广强基础工程有限公司 | Foundation pit supporting system and construction method thereof |
| CN115030177A (en) * | 2022-06-14 | 2022-09-09 | 北京市政建设集团有限责任公司 | Anti-seepage device with supporting effect for foundation pit excavation and method |
| CN115030177B (en) * | 2022-06-14 | 2023-10-03 | 北京市政建设集团有限责任公司 | Anti-seepage device with supporting function for foundation pit excavation and method |
| CN115369887A (en) * | 2022-08-30 | 2022-11-22 | 中铁十一局集团有限公司 | Steel sheet pile supporting system for box culvert foundation pit |
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