CN114592528A - Foundation pit excavation supporting structure - Google Patents
Foundation pit excavation supporting structure Download PDFInfo
- Publication number
- CN114592528A CN114592528A CN202210373825.2A CN202210373825A CN114592528A CN 114592528 A CN114592528 A CN 114592528A CN 202210373825 A CN202210373825 A CN 202210373825A CN 114592528 A CN114592528 A CN 114592528A
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- Prior art keywords
- reinforcing bar
- rotating
- rod
- bar net
- sleeve
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- 238000009412 basement excavation Methods 0.000 title claims abstract description 19
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 86
- 239000002689 soil Substances 0.000 claims abstract description 34
- 210000003205 muscle Anatomy 0.000 claims abstract description 20
- 238000010276 construction Methods 0.000 claims abstract description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 21
- 239000010959 steel Substances 0.000 claims description 21
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 7
- 238000001125 extrusion Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract 1
- 230000002787 reinforcement Effects 0.000 description 7
- 238000005553 drilling Methods 0.000 description 6
- 230000008878 coupling Effects 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 5
- 238000005859 coupling reaction Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 239000004567 concrete Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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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
-
- 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
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- 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)
- Foundations (AREA)
Abstract
The utility model belongs to the technical field of foundation ditch construction's technique and specifically relates to a foundation ditch excavation supporting construction is related to, including setting up the reinforcing bar net on the foundation ditch, wear to be equipped with a plurality of soil nail reinforcing bars on the foundation ditch, soil nail reinforcing bar is connected with the reinforcing bar net, and one side that the reinforcing bar net deviates from soil nail reinforcing bar is provided with a plurality of pressure muscle one that are used for compressing tightly the reinforcing bar net, and pressure muscle one is connected with soil nail reinforcing bar. This application has the phenomenon that reduces the reinforcing bar net and drop, and then promotes the effect of the stability of reinforcing bar net.
Description
Technical Field
The application relates to the technical field of foundation pit construction, in particular to a foundation pit excavation supporting structure.
Background
At present, the foundation pit support is a retaining, reinforcing and protecting measure adopted for the side wall of the foundation pit and the surrounding environment in order to ensure the safety of the construction of an underground structure and the surrounding environment of the foundation pit. Common foundation pit supporting forms mainly include row pile supporting, underground continuous wall supporting, cement retaining walls, soil nailing walls, reinforced concrete row pile supporting and the like, wherein the soil nailing walls are the most common supporting structures in the foundation pits.
The existing soil nailing wall is usually composed of a steel bar net and a steel pipe, when the foundation pit is supported, the steel pipe is firstly inserted into the side wall of the foundation pit, then the steel bar net is welded on the steel pipe, and then concrete is sprayed to the steel bar net to support the foundation pit.
In view of the above-mentioned related art, the inventors believe that there is a defect that when the reinforcing mesh slips on the side slope of the foundation pit, the reinforcing mesh is easily detached from the steel pipe, and the stability of the reinforcing mesh is poor.
Disclosure of Invention
In order to reduce the phenomenon that the reinforcing bar net drops, and then promote the stability of reinforcing bar net, this application provides a foundation ditch excavation supporting construction.
The application provides a foundation ditch excavation supporting construction adopts following technical scheme:
the utility model provides a foundation ditch excavation supporting construction, wears to be equipped with a plurality of soil nail reinforcing bars including setting up the reinforcing bar net on the foundation ditch, soil nail reinforcing bar is connected with the reinforcing bar net, one side that the reinforcing bar net deviates from soil nail reinforcing bar is provided with a plurality of pressure muscle one that are used for compressing tightly the reinforcing bar net, pressure muscle one is connected with soil nail reinforcing bar.
Through adopting above-mentioned technical scheme, one side that the reinforcing bar net deviates from soil nail reinforcing bar is provided with the first muscle of pressing, will press the muscle one to support tightly on the reinforcing bar net to be connected with soil nail reinforcing bar through pressing the muscle one, a pair of reinforcing bar net extrusion locking of muscle of pressing can realize supporting tightly to the reinforcing bar net, reduces the phenomenon that the reinforcing bar net drops, and then promotes the stability of reinforcing bar net.
Optionally, a well-shaped frame is arranged on the soil nailing reinforcing steel bar, and the well-shaped frame is connected with the reinforcing mesh.
Through adopting above-mentioned technical scheme, through the setting of groined type frame, can be with soil nailing reinforcing bar and groined type frame fixed connection back, through groined type frame and reinforcing bar net fixed connection, and then make soil nailing reinforcing bar and reinforcing bar net be connected more convenient.
Optionally, one side of the first rib pressing piece, which is far away from the reinforcing mesh, is provided with a second rib pressing piece for compressing the first rib pressing piece, and the second rib pressing piece is provided with a buckle for connecting the second rib pressing piece with the first rib pressing piece.
Through adopting above-mentioned technical scheme, through the setting of two muscle of pressing, will press two butts of muscle on one muscle of pressing to carry out fixed connection through the buckle with pressing between muscle one and the two muscle of pressing, make the installation of reinforcing bar net on the foundation ditch more stable.
Optionally, a connection device is arranged on the reinforcing mesh, and the connection device includes a support plate connected with the reinforcing mesh and a connection assembly for installing the support plate on the foundation pit.
Through adopting above-mentioned technical scheme, be provided with connecting device on the reinforcing bar net, in installing the foundation ditch with the backup pad through coupling assembling, be connected the backup pad with the reinforcing bar net simultaneously, can promote the stability of reinforcing bar net installation on the foundation ditch.
Optionally, the connection assembly includes a support sleeve disposed on the support plate, a screw rod rotationally fitted in the support sleeve, and a drill rod slidably fitted in the support sleeve, and the drill rod is in threaded engagement with the screw rod.
Through adopting above-mentioned technical scheme, rotate the screw rod, can drive the drilling rod and slide along support sleeve to insert on the lateral wall of foundation ditch, realize the fixed mounting of coupling assembling on the foundation ditch.
Optionally, a clamping plate clamped with the foundation pit is arranged on the supporting sleeve in a rotating fit mode, and a rotating mechanism used for driving the clamping plate to be clamped with the foundation pit is arranged on the screw rod.
Through adopting above-mentioned technical scheme, through the setting of joint board, drive the joint board through slewing mechanism and rotate, make rotor plate and foundation ditch looks joint, can make being connected of coupling assembling and foundation ditch more stable, reduce the phenomenon that coupling assembling dropped in from the foundation ditch.
Optionally, slewing mechanism includes that the normal running fit cooperates the dwang on the joint board, normal running fit the slider of dwang other end and is used for driving the slider along the gliding sliding subassembly of support sleeve, the axis of rotation of dwang and joint board and support sleeve's axis of rotation are parallel and not collinear.
Through adopting above-mentioned technical scheme, when the slip subassembly slided along the abutment sleeve, can drive the slider and slide simultaneously, drive the dwang limit and slide the limit and rotate, and then make the one end of joint board rotate round the axis of rotation of joint board, the joint board rolls out to with foundation ditch looks joint, the simple operation.
Optionally, the sliding assembly includes a rotating sleeve in threaded fit with the screw rod and a limiting frame in sliding fit with the support plate, the rotating sleeve is in rotating fit with the sliding block, a limiting hole is formed in the rotating sleeve, and after the limiting frame is inserted into the limiting hole, the rotating sleeve is driven by the rotation of the screw rod to slide along the screw rod.
Through adopting above-mentioned technical scheme, when the screw rod rotates, drive and rotate the sleeve simultaneously at the slider internal rotation, the slider does not move, when needs rotate the joint board and adjust, with spacing downthehole back of inserting, drive when the screw rod rotates and rotate the sleeve and slide along the screw rod, and then drive the slider and slide, realize the sliding adjustment to the slider.
Optionally, a clamping mechanism is arranged on the supporting plate, the clamping mechanism comprises a connecting rod arranged on the supporting plate, a connecting plate arranged on the connecting rod and a clamping plate which is rotationally matched on the connecting rod, and a locking member used for enabling the clamping plate and the connecting plate to extrude and lock the reinforcing mesh is arranged on the clamping plate.
Through adopting above-mentioned technical scheme, overlap connecting plate and grip block on the reinforcing bar net, press from both sides tightly connecting plate and grip block through the retaining member, and then to reinforcing bar net extrusion locking, realize being connected between backup pad and the reinforcing bar net, the simple operation.
Optionally, a sliding groove is formed in the supporting plate, the connecting rod is in sliding fit in the sliding groove, and a locking mechanism used for extruding, locking and unlocking the connecting rod is arranged on the supporting plate.
Through adopting above-mentioned technical scheme, slide the connecting rod in the spout, after the slide adjusting is accomplished, extrude the locking through locking mechanism to the connecting rod, can fix a position the connecting rod, realize the regulation to the connecting rod, make things convenient for the connecting rod to carry out fixed connection with the reinforcing bar net in different hole clearances.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the first pressing rib is arranged on one side, away from the soil nail steel bar, of the steel bar mesh, the first pressing rib is abutted against the steel bar mesh and is connected with the soil nail steel bar through the first pressing rib, the pressing rib is used for extruding and locking the steel bar mesh, the steel bar mesh can be abutted tightly, the phenomenon that the steel bar mesh falls off is reduced, and the stability of the steel bar mesh is further improved;
2. through being provided with connecting device on the reinforcing bar net, in installing the foundation ditch with the backup pad through coupling assembling, be connected the backup pad with the reinforcing bar net simultaneously, can promote the stability of reinforcing bar net installation on the foundation ditch.
Drawings
FIG. 1 is a schematic overall structure of the present application;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
fig. 3 is a partial sectional view showing the connection relationship of the reinforcing mesh and the connection device;
FIG. 4 is an enlarged view of a portion of FIG. 3 at B;
fig. 5 is a partial cross-sectional view of the connection relationship of the support plate and the connection assembly.
Description of reference numerals: 1. a reinforcing mesh; 2. soil nailing steel bars; 21. a derrick; 3. pressing ribs I; 4. pressing ribs II; 5. buckling; 6. a connecting device; 61. a support plate; 62. a connecting assembly; 621. a support sleeve; 622. a screw; 623. drilling a rod; 7. a clamping and connecting plate; 8. a rotating mechanism; 81. rotating the rod; 82. a slider; 83. a sliding assembly; 831. rotating the sleeve; 832. a limiting frame; 9. a clamping mechanism; 91. a connecting rod; 92. a connecting plate; 93. a clamping plate; 10. a locking mechanism; 101. a fixing plate; 102. a locking lever; 11. a fastener.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses excavation supporting construction of foundation ditch. Referring to fig. 1 and 2, including setting up reinforcing bar net 1 on the foundation ditch, evenly seted up a plurality of mounting holes on the lateral wall of foundation ditch, the mounting hole upwards sets up towards the orientation slope of keeping away from reinforcing bar net 1, wears to be equipped with a plurality of soil nail reinforcing bars 2 on the foundation ditch, and soil nail reinforcing bar 2 is connected with reinforcing bar net 1, and the fixed well frame 21 that is provided with on the soil nail reinforcing bar 2, well frame 21 and reinforcing bar net 1 fixed welding. The reinforcing mesh 1 is provided with a fastener 11, the fastener 11 is a T-shaped rod, when a foundation pit needs to be supported, a hole which inclines downwards in the direction away from the reinforcing mesh 1 is firstly formed in the side wall of the foundation pit, then a soil nailing reinforcing bar 2 is inserted into the hole, concrete is poured into the hole, then the well-shaped frame 21 is fixedly welded on the soil nailing reinforcing bar 2, the reinforcing mesh 1 is fixedly welded on the well-shaped frame 21, one end of the fastener 11 is inserted into the foundation pit, the other end of the fastener abuts against the reinforcing mesh 1, and the foundation pit is supported through the reinforcing mesh 1.
Referring to fig. 1 and 3, soil nailing reinforcing bar 2 comprises two "L" shaped steel bars that weld together, combine fig. 2, one side that reinforcing bar net 1 deviates from soil nailing reinforcing bar 2 is provided with a plurality of pressure muscle one 3 that are used for compressing tightly reinforcing bar net 1, pressure muscle one 3 sets up along the length direction of foundation ditch, and pressure muscle one 3 is provided with threely along the direction of height of foundation ditch interval, pressure muscle one 3 is through welding well-shaped frame 21 and soil nailing reinforcing bar 2 fixed connection on pressure muscle one 3. The first press rib 3 is provided with a buckle 5, the buckle 5 is of a U-shaped structure, and the first press rib 3 is fixedly clamped with the reinforcing mesh 1 through the buckle 5.
Referring to fig. 1 and 2, one side of the first rib 3, which is far away from the steel bar mesh 1, is provided with a second rib 4 for compressing the first rib 3, the second rib 4 is obliquely arranged along the height direction of the foundation pit, the second rib 4 is also provided with a buckle 5, and the second rib 4 and the first rib 3 are fixedly clamped together through the buckle 5.
Referring to fig. 1 and 3, in order to stabilize the installation of the mesh reinforcement 1 in the foundation pit, a plurality of connection devices 6 are provided on the mesh reinforcement 1, the connection devices 6 include a support plate 61 connected to the mesh reinforcement 1 and a connection unit 62 for installing the support plate 61 in the foundation pit, and the connection unit 62 is provided on a side of the support plate 61 adjacent to a side wall of the foundation pit.
Referring to fig. 3 and 4, the connection assembly 62 includes a support sleeve 621 fixedly disposed on the support plate 61, a screw 622 rotationally fitted in the support sleeve 621, and a drill rod 623 slidably fitted in the support sleeve 621, in combination with fig. 5, the screw 622 is perpendicular to the support plate 61, the screw 622 is a T-shaped rod, the drill rod 623 is in threaded fit with the screw 622, one end of the drill rod 623, which is away from the support plate 61, is provided with a tip, the tip is in a tapered structure, and the drill rod 623 is fixedly provided with a limit block slidably fitted with the support sleeve 621. When the connection assembly 62 needs to be installed on the side wall of the foundation pit, the screw 622 is rotated first to drive the drill rod 623 to slide towards the side wall of the foundation pit and to be inserted into the side wall of the foundation pit, and meanwhile, the support sleeve 621 is inserted into the side wall of the foundation pit.
Referring to fig. 3 and 5, in order to make the drilling rod 623 be connected between support sleeve 621 and the foundation ditch lateral wall more stably, the cooperation of rotating on support sleeve 621 has the joint board 7 with foundation ditch looks joint, joint board 7 is the rectangular plate, and joint board 7 is provided with two with support sleeve 621's the central axis symmetry, the mounting groove has been seted up on support sleeve 621, joint board 7 deviates from the one end of backup pad 61 and articulates in support sleeve 621's mounting groove, be provided with the slewing mechanism 8 that is used for driving joint board 7 and foundation ditch joint on the screw rod 622.
Wherein, referring to fig. 3 and 5, the rotating mechanism 8 includes a rotating rod 81 which is rotatably fitted on the clamping plate 7, a slider 82 which is rotatably fitted on the other end of the rotating rod 81, and a sliding component 83 for driving the slider 82 to slide along the supporting sleeve 621, the rotating rod 81 is a rectangular rod, and the rotating rod 81 is disposed along the height direction of the screw 622. One end of the rotating rod 81 is hinged to one end, away from the drill rod 623, of the clamping plate 7, the other end of the rotating rod 81 is hinged to the sliding block 82, the rotating axis of the rotating rod 81 and the clamping plate 7 is parallel to and not collinear with the rotating axis of the clamping plate 7 and the supporting sleeve 621, and the sliding block 82 is in sliding fit in the supporting sleeve 621 along the height direction of the screw 622.
Referring to fig. 3 and 5, the sliding assembly 83 includes a rotating sleeve 831 in threaded fit with the screw 622 and a limiting frame 832 in sliding fit with the supporting plate 61, the rotating sleeve 831 is a ring-shaped structure, the rotating sleeve 831 is in rotational fit with the sliding block 82, and a limiting hole is formed in the rotating sleeve 831 and is a through hole arranged along the height direction of the screw 622. The limiting frame 832 comprises a circular ring slidably sleeved on the screw 622 and two cylindrical rods fixedly arranged on the lower surface of the circular ring, and the cylindrical rods are arranged along the height direction of the screw 622. The clamping plate 7 does not need to be rotated out of the supporting sleeve 621, and when the drill rod 623 needs to be inserted into the side wall of the foundation pit, the screw 622 is rotated, and the screw 622 can drive the rotating sleeve 831 to slide in the sliding block 82. Need follow support sleeve 621 with joint board 7 when rolling out, promote spacing 832 earlier, make spacing 832 insert spacing downtheholely, screw rod 622 rotates, can drive and rotate sleeve 831 and slide along screw rod 622, it slides along support sleeve 621 to drive slider 82, when slider 82 slides to being close to drilling rod 623 department, can drive dwang 81 limit slip limit and rotate, the one end that drives joint board 7 and deviates from drilling rod 623 rotates towards the direction of keeping away from support sleeve 621, joint board 7 rolls out the back in following support sleeve 621, with the lateral wall looks joint of foundation ditch, reduce the phenomenon of drilling rod 623 follow slide-out in the lateral wall of foundation ditch.
Referring to fig. 3 and 4, in order to facilitate the fixed connection between the support plate 61 and the reinforcing mesh 1, a clamping mechanism 9 is disposed on the support plate 61, four sliding grooves are formed in the support plate 61, the sliding grooves are T-shaped grooves, the clamping mechanism 9 is slidably fitted in the sliding grooves, the clamping mechanism 9 includes a connecting rod 91 slidably fitted in the sliding grooves of the support plate 61, a connecting plate 92 rotatably fitted on the connecting rod 91, and a clamping plate 93 rotatably fitted on the connecting rod 91, the connecting plate 92 and the clamping plate 93 are disposed opposite to each other, and the inner walls of the connecting plate 92 and the clamping plate 93 are both provided with anti-slip teeth, the clamping plate 93 is provided with a locking member for enabling the clamping plate 93 and the connecting plate 92 to press and lock the reinforcing mesh 1, and the locking member may directly adopt a bolt and a nut. When the support plate 61 and the mesh reinforcement 1 need to be fixedly connected, the connecting rods 91 are slid, the connecting plates 92 and the clamping plates 93 are sleeved on the mesh reinforcement 1, then the connecting plates 92 and the clamping plates 93 are fixedly locked through bolts and nuts, and the mesh reinforcement 1 is pressed and locked through the connecting plates 92 and the clamping plates 93, so that the fixed connection of the support plate 61 and the mesh reinforcement 1 is completed.
Referring to fig. 3 and 4, in order to limit the position of the connecting rod 91 in the sliding groove, a locking mechanism 10 for compressing, locking and unlocking the connecting rod 91 is disposed on the supporting plate 61, the locking mechanism 10 includes a fixing plate 101 and a locking rod 102 fixedly disposed on the supporting plate 61, a threaded hole is formed in the fixing plate 101, the locking rod 102 can directly adopt a screw, the locking rod 102 is in threaded fit on the fixing plate 101, when the position of the connecting rod 91 needs to be limited, the locking rod 102 is rotated in the fixing plate 101 and is compressed and locked on the side surface of the connecting rod 91, and the limiting operation on the connecting rod 91 is completed.
The implementation principle of the foundation pit excavation supporting structure of the embodiment of the application is as follows: when the foundation pit needs to be supported, firstly, a hole is formed in the side wall of the foundation pit, then, the soil nailing reinforcing steel bar 2 is inserted into the hole, concrete is poured into the hole, the # -shaped frame 21 is welded on the soil nailing reinforcing steel bar 2, then, the reinforcing steel bar net 1 is fixedly installed on the # -shaped frame 21, the first press rib 3 and the second press rib 4 are installed on the reinforcing steel bar net 1, then, the connecting device 6 is installed, the clamping mechanism 9 and the reinforcing steel bar net 1 are fixedly connected, then, the clamping mechanism is inserted into the side wall of the foundation pit through the connecting component 62, the clamping plate 7 is rotated, the clamping plate 7 is clamped with the side wall of the foundation pit, and the supporting operation of the foundation pit is completed.
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 (10)
1. The utility model provides a foundation ditch excavation supporting construction, is including setting up reinforcing bar net (1) on the foundation ditch, its characterized in that: wear to be equipped with a plurality of soil nail reinforcing bars (2) on the foundation ditch, soil nail reinforcing bar (2) are connected with reinforcing bar net (1), one side that reinforcing bar net (1) deviates from soil nail reinforcing bar (2) is provided with a plurality of pressure muscle one (3) that are used for compressing tightly reinforcing bar net (1), pressure muscle one (3) are connected with soil nail reinforcing bar (2).
2. The excavation supporting structure of claim 1, characterized in that: the soil nailing reinforcing steel bars (2) are provided with a well-shaped frame (21), and the well-shaped frame (21) is connected with the reinforcing mesh (1).
3. The excavation supporting structure of claim 2, wherein: one side of the first rib pressing (3) deviating from the steel bar net (1) is provided with a second rib pressing (4) used for compressing the first rib pressing (3), and the second rib pressing (4) is provided with a buckle (5) used for connecting the second rib pressing (4) with the first rib pressing (3).
4. The excavation supporting structure of claim 1, wherein: the steel bar net (1) is provided with a connecting device (6), and the connecting device (6) comprises a supporting plate (61) connected with the steel bar net (1) and a connecting assembly (62) used for installing the supporting plate (61) on a foundation pit.
5. The excavation supporting structure of claim 4, wherein: the connecting assembly (62) comprises a supporting sleeve (621) arranged on the supporting plate (61), a screw rod (622) in rotating fit in the supporting sleeve (621), and a drill rod (623) in sliding fit in the supporting sleeve (621), wherein the drill rod (623) is in threaded fit with the screw rod (622).
6. The excavation supporting structure of claim 5, wherein: the supporting sleeve (621) is provided with a clamping plate (7) clamped with the foundation pit, and a rotating mechanism (8) used for driving the clamping plate (7) to be clamped with the foundation pit is arranged on the screw rod (622).
7. The excavation supporting structure of claim 6, wherein: the rotating mechanism (8) comprises a rotating rod (81) which is in rotating fit with the clamping plate (7), a sliding block (82) which is in rotating fit with the other end of the rotating rod (81), and a sliding assembly (83) which is used for driving the sliding block (82) to slide along the supporting sleeve (621), wherein the rotating axis of the rotating rod (81) and the clamping plate (7) is parallel to and not collinear with the rotating axis of the clamping plate (7) and the supporting sleeve (621).
8. The excavation supporting structure of claim 7, wherein: the sliding assembly (83) comprises a rotating sleeve (831) in threaded fit on the screw rod (622) and a limiting frame (832) in sliding fit on the supporting plate (61), the rotating sleeve (831) is in rotating fit in the sliding block (82), a limiting hole is formed in the rotating sleeve (831), and after the limiting frame (832) is inserted into the limiting hole, the rotating sleeve (831) is driven by the rotation of the screw rod (622) to slide along the screw rod (622).
9. The excavation supporting structure of claim 4, wherein: be provided with fixture (9) on backup pad (61), fixture (9) are including setting up connecting rod (91) on backup pad (61), setting up connecting plate (92) on connecting rod (91) and swivel fit grip block (93) on connecting rod (91), be provided with on grip block (93) and be used for making grip block (93) and connecting plate (92) to reinforcing bar net (1) extrusion locking retaining member.
10. The excavation supporting structure of claim 9, wherein: the supporting plate (61) is provided with a sliding groove, the connecting rod (91) is in sliding fit in the sliding groove, and the supporting plate (61) is provided with a locking mechanism (10) used for extruding, locking and unlocking the connecting rod (91).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210373825.2A CN114592528B (en) | 2022-04-11 | 2022-04-11 | Foundation pit excavation supporting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210373825.2A CN114592528B (en) | 2022-04-11 | 2022-04-11 | Foundation pit excavation supporting structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114592528A true CN114592528A (en) | 2022-06-07 |
| CN114592528B CN114592528B (en) | 2023-12-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210373825.2A Active CN114592528B (en) | 2022-04-11 | 2022-04-11 | Foundation pit excavation supporting structure |
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| Country | Link |
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| CN (1) | CN114592528B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115354656A (en) * | 2022-08-16 | 2022-11-18 | 深圳市市政工程总公司 | Regenerated sprayed concrete support construction structure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57146826A (en) * | 1981-03-05 | 1982-09-10 | Watanabe Tsuguhiko | Setting method and structure of multidirectional development stay anchor using earth auger-excavated pit |
| US20060263182A1 (en) * | 2004-03-15 | 2006-11-23 | Mizner Richard J | Fork lift attachment tools and methods |
| CN204959747U (en) * | 2015-09-09 | 2016-01-13 | 中国矿业大学(北京) | Reaming type stock |
| CN111877362A (en) * | 2020-08-06 | 2020-11-03 | 乐昌市市政建设工程有限公司 | Cast-in-situ bored pile reinforcing mesh fixing structure and method |
| CN215329921U (en) * | 2021-05-06 | 2021-12-28 | 河北太行宏业建设集团有限公司 | Simple closed soil nail connecting joint |
-
2022
- 2022-04-11 CN CN202210373825.2A patent/CN114592528B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57146826A (en) * | 1981-03-05 | 1982-09-10 | Watanabe Tsuguhiko | Setting method and structure of multidirectional development stay anchor using earth auger-excavated pit |
| US20060263182A1 (en) * | 2004-03-15 | 2006-11-23 | Mizner Richard J | Fork lift attachment tools and methods |
| CN204959747U (en) * | 2015-09-09 | 2016-01-13 | 中国矿业大学(北京) | Reaming type stock |
| CN111877362A (en) * | 2020-08-06 | 2020-11-03 | 乐昌市市政建设工程有限公司 | Cast-in-situ bored pile reinforcing mesh fixing structure and method |
| CN215329921U (en) * | 2021-05-06 | 2021-12-28 | 河北太行宏业建设集团有限公司 | Simple closed soil nail connecting joint |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115354656A (en) * | 2022-08-16 | 2022-11-18 | 深圳市市政工程总公司 | Regenerated sprayed concrete support construction structure |
| CN115354656B (en) * | 2022-08-16 | 2024-04-05 | 深圳市政集团有限公司 | Recycled shotcrete supporting construction structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114592528B (en) | 2023-12-26 |
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