CN114541411B - Foundation pit collapse-preventing stable supporting device for geotechnical engineering - Google Patents
Foundation pit collapse-preventing stable supporting device for geotechnical engineering Download PDFInfo
- Publication number
- CN114541411B CN114541411B CN202210105224.3A CN202210105224A CN114541411B CN 114541411 B CN114541411 B CN 114541411B CN 202210105224 A CN202210105224 A CN 202210105224A CN 114541411 B CN114541411 B CN 114541411B
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- foundation pit
- supporting device
- rods
- pit
- protection frame
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- 230000001681 protective effect Effects 0.000 claims description 10
- 238000005520 cutting process Methods 0.000 claims description 9
- 230000006835 compression Effects 0.000 claims description 8
- 238000007906 compression Methods 0.000 claims description 8
- 238000009826 distribution Methods 0.000 claims description 7
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims description 2
- 244000309464 bull Species 0.000 claims 2
- 239000002689 soil Substances 0.000 abstract description 11
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000011435 rock Substances 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 102000001999 Transcription Factor Pit-1 Human genes 0.000 description 2
- 108010040742 Transcription Factor Pit-1 Proteins 0.000 description 2
- 230000002146 bilateral effect Effects 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/23—Dune restoration or creation; Cliff stabilisation
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
- Road Paving Structures (AREA)
Abstract
The invention relates to the technical field of foundation pit protection, in particular to a foundation pit collapse-preventing stable supporting device for geotechnical engineering, which comprises a supporting device, wherein the supporting device comprises a plurality of groups of upright posts which are linearly distributed, side plates and a protecting frame which are arranged on the upright posts, the supporting device is arranged in a foundation pit of earthwork, the lower end of the foundation pit is provided with a regular rectangular pit, the upright posts comprise square supporting rods and cylindrical rods, the side plates are clamped and inserted between the adjacent square supporting rods, the lower ends of the side plates are transversely inserted with inserting plates fixed by anchor rods, and the outer sides of the inserting plates, which are positioned on the side plates, are provided with hinge seats which can be slidably adjusted, the beneficial effects are that: through setting up the protection frame of double-deck plate structure, utilize the protection network to realize the protection to rock soil lateral wall soil block, through built-in wash port, realize retrieving in unison the rainwater on the foundation ditch inclined plane, avoid making the inundation to the pit, improved the stability of stand, prevent strutting arrangement from collapsing.
Description
Technical Field
The invention relates to the technical field of foundation pit protection, in particular to a foundation pit collapse-preventing stable supporting device for geotechnical engineering.
Background
When the rock and soil geology is excavated, in order to avoid the foundation pit collapse, a steel wire frame is usually required to be placed on the side wall of the foundation pit, and then a layer of concrete is poured on the steel wire frame to form a protection slope.
However, in the actual operation process, as the connection strength between the steel wire frame and the slope is lower, the concrete layer is poured thinner, and cracking and even collapse are extremely easy to cause under the scouring of rain weather, so that the protection purpose cannot be achieved, and the foundation pit inclined surface is uneven, difficult to repair and difficult to form a pouring plane for large-scale soil blocks on the side wall of the rock-soil foundation pit, so that the protection purpose cannot be achieved.
Therefore, the foundation pit collapse-preventing stable supporting device for geotechnical engineering is provided, and the protection problem and the stable supporting problem of the inclined side wall of the foundation pit are solved.
Disclosure of Invention
The invention aims to provide a foundation pit collapse-preventing stable supporting device for geotechnical engineering, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the utility model provides a firm strutting arrangement that collapses is prevented to foundation ditch for geotechnical engineering, includes strutting arrangement, strutting arrangement includes the multiunit stand of linear distribution and installs curb plate and the protection frame on the stand, and strutting arrangement installs in the foundation ditch of earthwork, and the lower extreme of foundation ditch is provided with regular rectangle pit, the stand includes square bracing piece and cylinder pole, curb plate centre gripping is pegged graft between adjacent square bracing piece, and the lower extreme of curb plate transversely peg graft has the picture peg that the stock is fixed, and the picture peg is located the outside of curb plate and is provided with slidable regulation's free bearing, rotate on the free bearing and install the protection frame, the protection frame sets up to the bilayer structure that the connecting rod is connected, and the skin of protection frame sets up to the protection network of laminating foundation ditch slope lateral wall, and the inner chamber lower extreme of protection frame is provided with the wash port, the upper end of cylinder pole is provided with the clamp of pressfitting fastening clamp about a pair of curb plate up end, the outside rotation of rocking arm is installed, the outside tip of rocking arm rotates and installs the revolving plate, be provided with the depression bar between revolving plate and the protection frame.
Preferably, the lower extreme of stand is vertical pre-buried to be fixed in the below of rectangle pit, run through on the square bracing piece and be provided with the slot, be provided with the cutting on the front and back lateral wall of curb plate, the cutting slip is pegged graft in the slot.
Preferably, the outer wall of the cylindrical rod is positioned at the inner side of the slot, the lower end of the cylindrical rod is fixedly sleeved with a pair of hoops which are bilaterally symmetrical, and the pair of hoops which are bilaterally symmetrical are fixedly clamped on the outer wall of the cylindrical rod through a pair of connecting bolts which are distributed front and back.
Preferably, the circular arc outer wall of clamp is provided with the seat of rotating, the one end rotation of rocking arm is installed on the seat of rotating, and the other end of rocking arm extends to the protection frame, and the tip of rocking arm is buckled perpendicularly and is rotated and connect the swivel plate.
Preferably, the rotating arms on the adjacent pair of cylindrical rods extend vertically relatively, the rotating rods are arranged at the end parts of the rotating arms, the rotating plates are rotatably sleeved on the rotating rods, the rotating plates are parallel to the obliquely placed protective frames, screw holes are formed in the outer walls of the top ends of the protective frames, through holes corresponding to the screw holes are formed in the rotating plates, compression rods are inserted into the through holes, and the end parts of the compression rods are rotatably arranged in the screw holes in a threaded mode.
Preferably, the lower extreme of curb plate transversely runs through and is provided with the transverse groove, one side of picture peg is provided with the baffle perpendicularly, and the picture peg transversely peg graft in the transverse groove, runs through on the picture peg and is provided with three groups jacks that linearly distribute, peg graft in the jack has the stock, the one end pressfitting of stock is on the baffle, and the other end of stock runs through the jack and fastens the grafting on the perpendicular lateral wall of rectangle pit.
Preferably, the upper end face that the picture peg is located the curb plate outside is provided with the adjustment tank, slidable mounting has the hinge on the adjustment tank, the lower extreme of protection frame is provided with the sleeve pipe, and the sleeve pipe is rotated and is installed on the hinge, and the outer corner position fixed welding of protection frame has the plug cone, and the clearance lower extreme between the bilayer is provided with the guiding gutter on the protection frame, and both ends run through around the guiding gutter are provided with the wash port, the plug cone is pegged graft on the inclined plane of foundation ditch.
Preferably, a plurality of groups of through holes which are linearly distributed are arranged at the position, above the transverse groove, of the lower end of the side plate, threaded holes corresponding to the same height of the through holes are arranged on the hinged support, a connecting screw rod is inserted into the through holes, and the end threads of the connecting screw rod are rotatably arranged in the threaded holes of the hinged support.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the inner cavity of the foundation pit is protected by arranging the matching of the plugboards and the side plates, meanwhile, the protection and adjustment of the concave-convex surfaces at different positions on the side wall of the foundation pit are realized by utilizing the rotatably installed protection frame, and meanwhile, the protection frame is firmly attached to the inclined surface of the foundation pit by matching with the fastening of the compression bar and the connecting screw rod, so that the purpose of collapse prevention is achieved;
2. according to the invention, the protection frame with the double-layer plate structure is arranged, the protection of the rock-soil side wall soil blocks is realized by utilizing the protection net, the uniform recovery of rainwater on the inclined surface of the foundation pit is realized by arranging the drain holes, the submerged pit is avoided, the stability of the stand column is improved, and the collapse of the supporting device is prevented.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a schematic perspective view of a side plate according to the present invention;
FIG. 4 is a schematic perspective view of a protective frame according to the present invention;
FIG. 5 is a schematic view of a clip according to the present invention;
fig. 6 is a schematic perspective view of a board according to the present invention.
In the figure: 1. earthwork; 2. a foundation pit; 3. a rectangular pit; 4. a column; 5. a cylindrical rod; 6. square support rods; 7. a side plate; 8. a clamp; 9. a connecting bolt; 10. a rotating arm; 11. a compression bar; 12. inserting plate; 13. a protective frame; 14. a hinged support; 15. a bolt; 16. a jack; 17. a protective net; 18. an adjustment tank; 19. a slot; 20. a connecting screw; 21. a transverse groove; 22. a through hole; 23. cutting; 24. a sleeve; 25. inserting a cone; 26. a drain hole; 27. a screw hole; 28. a connecting rod; 29. a rotating seat; 30. a baffle; 31. a rotating plate; 32. a through hole; 33. and (5) rotating the rod.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 6, the present invention provides a technical solution:
the utility model provides a firm strutting arrangement that collapses is prevented to foundation ditch for geotechnical engineering, including strutting arrangement, strutting arrangement includes the multiunit stand 4 of linear distribution and installs curb plate 7 and protection frame 13 on stand 4, strutting arrangement installs in foundation ditch 2 of earthwork 1, the lower extreme of foundation ditch 2 is provided with regular rectangle pit 3, stand 4 includes square bracing piece 6 and cylinder pole 5, the vertical pre-buried below of fixing at rectangle pit 3 of lower extreme of stand 4, run through on the square bracing piece 6 and be provided with slot 19, curb plate 7 centre gripping is pegged graft between adjacent square bracing piece 6, be provided with cutting 23 on the front and back lateral wall of curb plate 7, cutting 23 slip is pegged graft in slot 19, through the cooperation of cutting 23 and slot 19, realize the vertical grafting installation of curb plate 7, through setting up regular rectangle pit 3, realize the horizontal grafting fastening of picture peg 12.
The upper end of cylinder pole 5 is provided with pressfitting at clamp 8 of a pair of fastening centre gripping about curb plate 7 up end, and cylinder pole 5 outer wall is located the inboard of slot 19, and the fixed a pair of clamp 8 of bilateral symmetry that has cup jointed of lower extreme of cylinder pole 5, the fixed centre gripping of a pair of connecting bolt 9 that distributes around through between a pair of clamp 8 of bilateral symmetry is on the outer wall of cylinder pole 5, utilizes connecting bolt 9 to realize the fastening centre gripping of clamp 8 on cylinder pole 5.
The circular arc outer wall of clamp 8 is provided with the swivel seat 29, and the one end of rocking arm 10 rotates and installs on the swivel seat 29, and the other end of rocking arm 10 extends to protection frame 13, and the tip of rocking arm 10 is buckled perpendicularly and is rotated and connect swivel plate 31, and the rocking arm 10 is installed in the outside rotation of clamp 8, and swivel plate 31 is installed in the outside tip rotation of rocking arm 10, is provided with depression bar 11 between swivel plate 31 and the protection frame 13, utilizes swivel seat 29 to realize the rotation installation of rocking arm 10.
The rotary arms 10 on the adjacent pair of cylindrical rods 5 extend vertically relatively, the end parts of the rotary arms 10 are provided with rotary rods 33, the rotary plates 31 are rotatably sleeved on the rotary rods 33, the rotary plates 31 are mutually parallel to the obliquely placed protective frames 13, screw holes 27 are formed in the outer walls of the top ends of the protective frames 13, through holes 32 corresponding to the screw holes 27 are formed in the rotary plates 31, compression rods 11 are inserted into the through holes 32, the end parts of the compression rods 11 are rotatably arranged in the screw holes 27 in a threaded mode, and the compression rods 11 are spirally fed into the screw holes 27, so that the upper ends of the protective frames 13 are fixedly extruded.
The lower extreme of curb plate 7 transversely is pegged graft and is had the picture peg 12 that stock 15 was fixed, the lower extreme of curb plate 7 transversely runs through and is provided with transverse groove 21, one side of picture peg 12 is provided with baffle 30 perpendicularly, the picture peg 12 transversely is pegged graft in transverse groove 21, it is provided with three sets of jacks 16 of linear distribution to run through on the picture peg 12, peg graft in the jack 16 has stock 15, the one end pressfitting of stock 15 is on baffle 30, the other end of stock 15 runs through jack 16 and fastening grafting is on the perpendicular lateral wall of rectangle pit 3, utilize transverse groove 21 to realize the transverse grafting of picture peg 12, utilize the cooperation grafting of stock 15 and jack 16 to realize the fixed in position of picture peg 12.
The flashboard 12 is provided with a hinged support 14 which can be slidably adjusted outside the side plate 7, the upper end surface of the flashboard 12 outside the side plate 7 is provided with an adjusting groove 18, the hinged support 14 is slidably arranged on the adjusting groove 18, and the sliding adjustment of the hinged support 14 is realized through the adjusting groove 18, so that the protection frame 13 corresponds to the distribution of soil blocks on the inclined surface of the foundation pit 2.
The protection frame 13 is rotatably arranged on the hinged support 14, the sleeve 24 is arranged at the lower end of the protection frame 13 and rotatably arranged on the hinged support 14, the insert cone 25 is fixedly welded at the corner position of the outer layer of the protection frame 13, the rotation installation of the protection frame 13 is realized through the cooperation of the sleeve 24 and the hinged support 14, and the insert cone 25 is inserted on the inclined surface of the foundation pit 2 in the rotation process of the protection frame 13, so that the pre-fixing of the protection frame 13 is realized.
The clearance lower extreme between the bilayer is provided with the guiding gutter on the protection frame 13, the front and back both ends of guiding gutter run through and are provided with wash port 26, insert awl 25 peg graft on the inclined plane of foundation ditch 2, the protection frame 13 sets up to the bilayer structure of connecting rod 28 connection, the skin of protection frame 13 sets up to the protection network 17 of laminating foundation ditch 2 slope lateral wall, the inner chamber lower extreme of protection frame 13 is provided with wash port 26, the lower extreme of curb plate 7 is located the position of cross slot 21 top and is provided with the multiunit through-hole 22 of linear distribution, be provided with the screw hole that corresponds with the through-hole 22 contour on the free bearing 14, peg graft in the through-hole 22 has connecting screw 20, the tip screw thread rotation of connecting screw 20 is installed in the screw hole of free bearing 14, realize fastening the adjustment position of free bearing 14 through connecting screw 20 and through-hole 22, the protection to the foundation ditch 2 lateral wall is realized through the protection that is provided with bilayer structure's protection frame 13, the purpose of fixed foundation ditch 2 inclined plane soil block is reached to the utilization protection network 17, realize the collection to the rainwater through the clearance between the bilayer, and then avoid gathering at rectangle pit 3 and cause stand 4 to install unstably subsidence at 2 lateral wall simultaneously.
Working principle: firstly, through the cooperation of cutting 23 and slot 19, realize the vertical grafting installation of curb plate 7, through setting up regular rectangle pit 3, realize the horizontal grafting fastening of picture peg 12, utilize horizontal groove 21 to realize the horizontal grafting of picture peg 12, utilize the cooperation grafting of stock 15 and jack 16, realize the fixed position of picture peg 12.
Realize the slip regulation of free bearing 14 through adjustment groove 18 to make protection frame 13 and foundation ditch 2 inclined plane on soil block's distribution corresponding, through the cooperation of sleeve pipe 24 and free bearing 14, realize the rotation installation of protection frame 13, at protection frame 13 rotation in-process, utilize the grafting of insertion cone 25 on foundation ditch 2 inclined plane, reach the prefixed to protection frame 13, through the grafting of connecting screw 20 and through-hole 22, realize fastening the adjustment position of free bearing 14, realize the protection to foundation ditch 2 lateral wall through the protection frame 13 that is provided with bilayer structure, utilize protection network 17 to reach the purpose of fixed foundation ditch 2 inclined plane soil block, realize collecting the rainwater through the clearance between the bilayer, and then avoid the rainwater to gather at rectangle pit 3 and cause stand 4 to install unstably, prevent the foundation ditch 2 lateral wall subsides simultaneously.
The clamp 8 is fastened and clamped on the cylindrical rod 5 by the connecting bolt 9, the rotary mounting of the rotary arm 10 is realized by the rotary seat 29, and the screw feeding of the pressing rod 11 in the screw hole 27 is utilized, so that the upper end of the protection frame 13 is extruded and fixed.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a firm strutting arrangement that sinks is prevented with foundation ditch to geotechnical engineering, includes strutting arrangement, its characterized in that: the supporting device comprises a plurality of groups of upright posts (4) which are linearly distributed and side plates (7) and a protecting frame (13) which are arranged on the upright posts (4), the supporting device is arranged in a foundation pit (2) of an earthwork (1), a regular rectangular pit (3) is arranged at the lower end of the foundation pit (2), the upright posts (4) comprise square supporting rods (6) and cylindrical rods (5), the side plates (7) are clamped and inserted between the adjacent square supporting rods (6), inserting plates (12) with fixed anchor rods (15) are transversely inserted at the lower ends of the side plates (7), the inserting plates (12) are arranged at the outer sides of the side plates (7) and provided with hinged seats (14) which can be slidably adjusted, the hinged seats (14) are rotatably provided with protecting frames (13), the protecting frames (13) are arranged into a double-layer structure connected by connecting rods (28), the outer layers of the protecting frames (13) are arranged to be attached to the protecting nets (17) of inclined side walls of the foundation pit (2), drainage holes (26) are arranged at the lower ends of inner cavities of the protecting frames (13), the cylindrical rods (5) are clamped and are provided with inserting plates (12) fixed by bolts, the lower ends of the cylindrical rods (5) are provided with clamping plates (7), a pair of clamping hoops (10) which are arranged at the outer sides of the rotating plates (8), a compression bar (11) is arranged between the rotating plate (31) and the protective frame (13);
the lower end of the upright post (4) is vertically embedded and fixed below the rectangular pit (3), a slot (19) is penetrated and arranged on the square supporting rod (6), cutting bars (23) are arranged on the front side wall and the rear side wall of the side plate (7), and the cutting bars (23) are in sliding insertion connection with the slot (19);
the outer wall of the cylindrical rod (5) is positioned at the inner side of the slot (19), a pair of hoops (8) which are bilaterally symmetrical are fixedly sleeved at the lower end of the cylindrical rod (5), and the pair of hoops (8) which are bilaterally symmetrical are fixedly clamped on the outer wall of the cylindrical rod (5) through a pair of connecting bolts (9) which are distributed front and back;
the arc outer wall of the clamp (8) is provided with a rotating seat (29), one end of the rotating arm (10) is rotatably arranged on the rotating seat (29), the other end of the rotating arm (10) extends towards the protective frame (13), and the end part of the rotating arm (10) is vertically bent and rotatably connected with the rotating plate (31);
the rotary arm (10) on the adjacent pair of cylinder pole (5) extend perpendicularly relatively, and the tip of rotary arm (10) is provided with bull stick (33), rotatory board (31) rotate and cup joint on bull stick (33), and rotatory board (31) are parallel to each other with protection frame (13) of slope placement, are provided with screw (27) on the top outer wall of protection frame (13), are provided with through-hole (32) that correspond with screw (27) on rotatory board (31), peg graft in through-hole (32) have depression bar (11), the tip screw thread of depression bar (11) rotates and installs in screw (27).
2. The foundation pit collapse-preventing stable supporting device for geotechnical engineering according to claim 1, wherein: the lower extreme of curb plate (7) transversely runs through and is provided with transverse groove (21), one side of picture peg (12) is provided with baffle (30) perpendicularly, and picture peg (12) transversely peg graft in transverse groove (21), runs through on picture peg (12) and is provided with three group's jacks (16) of linear distribution, peg graft in jack (16) has stock (15), the one end pressfitting of stock (15) is on baffle (30), and the other end of stock (15) runs through jack (16) and fastens and peg graft on the perpendicular lateral wall of rectangle pit (3).
3. The foundation pit collapse-preventing stable supporting device for geotechnical engineering according to claim 2, wherein: the utility model discloses a foundation pit (2), including picture peg (12), upper end face that picture peg (12) are located curb plate (7) outside is provided with adjustment tank (18), slidable mounting has hinge (14) on adjustment tank (18), the lower extreme of protection frame (13) is provided with sleeve pipe (24), sleeve pipe (24) rotation is installed on hinge (14), the outer corner position fixed welding of protection frame (13) has plug-in cone (25), the clearance lower extreme between the bilayer is provided with the guiding gutter on protection frame (13), the front and back both ends of guiding gutter run through and are provided with wash port (26), plug-in cone (25) are pegged graft on the inclined plane of foundation pit (2).
4. A foundation pit collapse-preventing stable supporting device for geotechnical engineering according to claim 3, wherein: the lower end of the side plate (7) is provided with a plurality of groups of through holes (22) which are linearly distributed at the position above the transverse groove (21), the hinged support (14) is provided with threaded holes corresponding to the through holes (22) in equal height, the connecting screw (20) is inserted into the through holes (22), and the end threads of the connecting screw (20) are rotatably arranged in the threaded holes of the hinged support (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210105224.3A CN114541411B (en) | 2022-01-28 | 2022-01-28 | Foundation pit collapse-preventing stable supporting device for geotechnical engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210105224.3A CN114541411B (en) | 2022-01-28 | 2022-01-28 | Foundation pit collapse-preventing stable supporting device for geotechnical engineering |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114541411A CN114541411A (en) | 2022-05-27 |
| CN114541411B true CN114541411B (en) | 2024-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210105224.3A Active CN114541411B (en) | 2022-01-28 | 2022-01-28 | Foundation pit collapse-preventing stable supporting device for geotechnical engineering |
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| Country | Link |
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| CN (1) | CN114541411B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116988488B (en) * | 2023-09-27 | 2023-12-01 | 四川省建筑科学研究院有限公司 | Excavation protection device and excavation protection method for foundation square pit |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210459226U (en) * | 2019-06-04 | 2020-05-05 | 东华理工大学 | Adjustable rectangle supporting device of geotechnical engineering |
| CN211596791U (en) * | 2020-01-16 | 2020-09-29 | 段忠良 | Foundation ditch protector for railway bridge |
| CN212200443U (en) * | 2020-04-30 | 2020-12-22 | 广东省水利水电第三工程局有限公司 | Deep foundation pit supporting structure for soft soil foundation |
| CN213448502U (en) * | 2020-08-31 | 2021-06-15 | 河南华丰岩土工程有限公司 | Inner supporting device for foundation pit construction |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN218150940U (en) * | 2022-09-21 | 2022-12-27 | 中铁七局集团有限公司 | Adjustable tunnel is first to be propped up and two lining supporting devices |
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2022
- 2022-01-28 CN CN202210105224.3A patent/CN114541411B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210459226U (en) * | 2019-06-04 | 2020-05-05 | 东华理工大学 | Adjustable rectangle supporting device of geotechnical engineering |
| CN211596791U (en) * | 2020-01-16 | 2020-09-29 | 段忠良 | Foundation ditch protector for railway bridge |
| CN212200443U (en) * | 2020-04-30 | 2020-12-22 | 广东省水利水电第三工程局有限公司 | Deep foundation pit supporting structure for soft soil foundation |
| CN213448502U (en) * | 2020-08-31 | 2021-06-15 | 河南华丰岩土工程有限公司 | Inner supporting device for foundation pit construction |
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| Publication number | Publication date |
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| CN114541411A (en) | 2022-05-27 |
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