CN212983884U - Foundation pit supporting structure - Google Patents
Foundation pit supporting structure Download PDFInfo
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- CN212983884U CN212983884U CN202021757151.9U CN202021757151U CN212983884U CN 212983884 U CN212983884 U CN 212983884U CN 202021757151 U CN202021757151 U CN 202021757151U CN 212983884 U CN212983884 U CN 212983884U
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Abstract
The utility model relates to a foundation pit supporting structure, which comprises a plurality of bottom plates arranged at the bottom side of a foundation pit, wherein the upper surface of each bottom plate is provided with a protection plate, a connecting plate is arranged between two adjacent protection plates, the protection plates and the connecting plate are both in threaded connection with a first lead screw, the opposite inner sides of two adjacent protection plates are respectively provided with a T-shaped groove, two sides of the connecting plate are respectively and fixedly connected with a T-shaped block, the two T-shaped blocks are respectively connected with the two T-shaped grooves in a sliding manner, a first inner cavity is arranged in the connecting plate, two inner side walls opposite to the first inner cavity are respectively provided with a first through hole, and a first; first spacing grooves are respectively formed in the opposite inner sides of the adjacent two protection plates, a driving mechanism used for driving the two first limiting blocks to move back to back is installed in the first inner cavity, and the two first limiting blocks are respectively inserted into the two first spacing grooves. The utility model discloses can promote the overall stability between a plurality of guard plates.
Description
Technical Field
The application relates to foundation pit support technical field, especially relates to a foundation pit support structure.
Background
At present, the foundation pit inevitably causes deformation of surrounding soil bodies in the excavation process, influences underground pipelines of surrounding buildings, seriously endangers the normal use of the underground pipelines, can also cause soil collapse in the construction process, and threatens life of constructors. In order to avoid the above situation, a foundation pit supporting structure is arranged in the foundation pit design and excavation construction, and is used for improving the stability of the soil body around the foundation pit.
The patent of the relevant art can refer to the grant publication No. CN211006685U Chinese utility model, and it discloses a supporting construction of foundation ditch, including the guard plate, be fixed in the first riser and the second riser at guard plate both ends, seted up T shape spout on the first riser lateral wall, be fixed with on the second riser lateral wall with T shape spout grafting complex T shape connecting plate, be fixed with the rubber slab on the lateral wall that second riser one side was kept away from to the first riser, install on the guard plate and be used for supporting tight subassembly of supporting of tight first riser and second riser. When splicing adjacent protection plates, a worker only needs to insert the T-shaped connecting plate of one protection plate into the T-shaped sliding groove of the other protection plate from top to bottom, the adjacent protection plates are spliced, meanwhile, the first vertical plate and the second vertical plate are tightly connected through the tight connecting assembly, the rubber plate is filled in a gap between the first vertical plate and the second vertical plate, the probability that moisture enters the foundation pit from the outer side of the foundation pit is reduced, the probability that slurry is generated is reduced, and safety construction of the worker is facilitated.
With respect to the related art among the above, the inventors consider that the following drawbacks exist: after splicing adjacent protection plates, two adjacent first risers and a second riser are not fixedly connected, and the overall stability among a plurality of protection plates is possibly influenced, so that the life safety of constructors is threatened.
SUMMERY OF THE UTILITY MODEL
In order to promote the overall stability between a plurality of guard plates, this application provides a foundation ditch supporting mechanism.
The application provides a foundation ditch supporting construction adopts following technical scheme:
a foundation pit supporting structure comprises a plurality of bottom plates arranged on the bottom side of a foundation pit, wherein protection plates are arranged on the upper surface of each bottom plate, a connecting plate is arranged between every two adjacent protection plates, a first lead screw is connected to each of the protection plates and the connecting plate in a threaded manner, T-shaped grooves are formed in the opposite inner sides of every two adjacent protection plates respectively, T-shaped blocks are fixedly connected to the two sides of the connecting plate respectively, the two T-shaped blocks are connected to the two T-shaped grooves in a sliding manner respectively, a first inner cavity is formed in the connecting plate, first through holes are formed in the two inner side walls, opposite to each other, of the first inner cavity respectively, and first; first spacing grooves are respectively formed in the opposite inner sides of the adjacent two protection plates, a driving mechanism used for driving the two first limiting blocks to move back to back is installed in the first inner cavity, and the two first limiting blocks are respectively inserted into the two first spacing grooves.
By adopting the technical scheme, when the protection plate is installed, the connection plate is fixed to the side wall of the foundation pit through the first lead screw, then the protection plate is connected with the connection plate, the first limit block is inserted into the first limit groove through the driving mechanism until the first limit block abuts against the inner wall of the first limit groove, so that the T-shaped groove is tightly connected with the T-shaped block, and the purpose of fixedly connecting the protection plate and the connection plate is achieved; after the connecting plate is spliced with the protection plate, the protection plate is fixedly connected with the side wall of the foundation pit through the first lead screw, so that the overall stability among a plurality of protection plates can be improved.
Preferably, actuating mechanism includes drive bolt and promotes the piece, drive bolt rotates the roof of connecting in first inner chamber, drive bolt with promote piece threaded connection, every first stopper all is equipped with the inclined plane, two inclined plane phase-matchs with the relative inboard that promotes the piece.
Through adopting above-mentioned technical scheme, the drive bolt rotates and drives and promotes the piece along the axial motion of drive bolt, and two first stopper back-to-back motion under the promotion that promotes the piece this moment.
Preferably, the side wall of the first through hole is provided with a sliding groove, and an elastic component for driving the first limiting block to move towards the direction close to the driving bolt is installed in the sliding groove.
Through adopting above-mentioned technical scheme, when promoting the piece and not contacting the back with first stopper, first stopper resumes original position under elastic component's effect.
Preferably, the elastic component comprises a fixing piece connected to the sliding groove in a sliding mode along the length direction of the first through hole and a spring fixedly connected to one side, away from the driving bolt, of the fixing piece, one end, away from the fixing piece, of the spring is fixedly connected to the inner wall, away from one end of the driving bolt, of the sliding groove, and the fixing piece is fixedly connected to the bottom of the first limiting block.
By adopting the technical scheme, the first limiting block moves towards the direction close to the first limiting groove to drive the fixed sheet to move, the fixed sheet moves to press the spring, and the spring is in a compressed state at the moment; when the pushing block moves towards the direction far away from the first limiting block, the fixing piece drives the first limiting block to reset under the action of the spring.
Preferably, a horizontal plate is arranged between two adjacent bottom plates, a second lead screw is in threaded connection with each of the bottom plates and the horizontal plate, a second inner cavity is formed in the horizontal plate, second through holes are formed in the inner walls of the opposite sides of the second inner cavity respectively, and second limiting blocks are connected in the two second through holes in a sliding manner respectively; two adjacent second spacing grooves have been seted up respectively to the relative inboard of bottom plate, install in the second inner chamber and be used for promoting two second stopper mutually the back of the body or the pushing mechanism of relative motion, two second stoppers peg graft respectively in two second spacing grooves, the second spacing inslot is installed and is used for carrying out the mounting fixed to the second stopper.
By adopting the technical scheme, when the bottom plate is installed, the horizontal plate is fixedly connected with the bottom wall of the foundation pit through the second lead screw, then the second limiting block is inserted into the second limiting groove through the pushing mechanism, and then the fixing piece is used for fixing the second limiting block, so that the purpose of fixedly connecting the bottom plate and the horizontal plate is achieved; after the bottom plate is spliced with the horizontal plate, the bottom plate is fixedly connected to the bottom side of the foundation pit through the second lead screw.
Preferably, the pushing mechanism comprises a vertical shaft rotatably connected to the horizontal plate, a rotating cap fixedly connected to the upper surface of the vertical shaft, and a gear fixed to the outer peripheral surface of the vertical shaft, wherein the gear is fixedly arranged on the outer peripheral surface of the vertical shaft, and the rack is fixedly connected to the inner side of the second limiting block and meshed with the gear.
Through adopting above-mentioned technical scheme, rotate cap drive vertical axis through rotating and rotate, vertical axis rotates and drives the gear and rotate, and two racks of gear rotation drive are carried on the back mutually or are moved in opposite directions, and two racks are carried on the back mutually or are moved in opposite directions and drive two second stoppers and carry on the back mutually or move in opposite directions.
Preferably, the fixing piece is a countersunk head bolt, and the countersunk head bolt penetrates through the top wall of the second limiting groove and is in threaded connection with the second limiting block.
Through adopting above-mentioned technical scheme, through setting up countersunk head bolt, be convenient for fix the second stopper.
Preferably, one side fixedly connected with sliding sleeve that the rack was kept away from to the second stopper, fixedly connected with guide bar in the second inner chamber, the sliding sleeve slides along the width direction of horizontal plate and connects in the guide bar.
Through adopting above-mentioned technical scheme, through setting up the guide bar, be convenient for lead to the second stopper.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when the protection plate is installed, the connection plate is fixed to the side wall of the foundation pit through the first lead screw, then the protection plate is connected with the connection plate, the first limiting block is inserted into the first limiting groove through the driving mechanism until the first limiting block abuts against the inner wall of the first limiting groove, the T-shaped groove is tightly connected with the T-shaped block, and the purpose that the protection plate is fixedly connected with the connection plate is achieved; after the connecting plate and the protection plates are spliced, the protection plates are fixedly connected with the side wall of the foundation pit through the first lead screw, so that the overall stability among the protection plates can be improved;
2. when the bottom plate is installed, the horizontal plate is fixedly connected with the bottom wall of the foundation pit through the second lead screw, then the second limiting block is inserted into the second limiting groove through the pushing mechanism, and then the fixing piece is used for fixing the second limiting block, so that the purpose of fixedly connecting the bottom plate and the horizontal plate is achieved; after the bottom plate is spliced with the horizontal plate, the bottom plate is fixedly connected to the bottom side of the foundation pit through the second lead screw.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;
FIG. 2 is a cross-sectional view of an embodiment of the present application showing the connection of a connection plate to a fender panel;
FIG. 3 is an enlarged schematic view at A in FIG. 2;
FIG. 4 is a cross-sectional view of the embodiment of the present application showing the horizontal plate coupled to the base plate.
Description of reference numerals: 1. a base plate; 11. a second limit groove; 12. a fixing member; 2. a protection plate; 21. a T-shaped slot; 22. a first limit groove; 3. a first lead screw; 4. a connecting plate; 41. a T-shaped block; 42. a drive mechanism; 421. a drive bolt; 422. a pushing block; 43. a first lumen; 44. a first through hole; 45. a chute; 46. an elastic component; 461. a fixing sheet; 462. a spring; 47. a first stopper; 5. a horizontal plate; 51. a second limiting block; 511. a rack; 512. a sliding sleeve; 52. a pushing mechanism; 521. rotating the cap; 522. a vertical axis; 523. a gear; 53. a second lumen; 531. a guide bar; 54. a second through hole; 6. and a second lead screw.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses supporting structure of foundation ditch, as shown in figure 1, including setting up in a plurality of bottom plates 1 of foundation ditch bottom side, the last surface mounting of every bottom plate 1 has guard plate 2, is provided with connecting plate 4 between two adjacent guard plates 2.
As shown in fig. 1 and 2, the protection plates 2 and the connection plate 4 are both in threaded connection with a first lead screw 3, opposite inner sides of two adjacent protection plates 2 are respectively provided with a T-shaped groove 21, two sides of the connection plate 4 are respectively and fixedly connected with a T-shaped block 41, the two T-shaped blocks 41 are respectively connected to the two T-shaped grooves 21 in a sliding manner, the connection plate 4 is internally provided with a first inner cavity 43, the first inner cavity 43 is square, two inner side walls of the first inner cavity 43 opposite to each other are respectively provided with a first through hole 44, and the two first through holes 44 are respectively connected with a first limiting block; first limiting grooves 22 are respectively formed in the opposite inner sides of the two adjacent protection plates 2, a driving mechanism 42 used for driving the two first limiting blocks 47 to move back to back is installed in the first inner cavity 43, and the two first limiting blocks 47 are respectively inserted into the two first limiting grooves 22. When the protection plate 2 is installed, the connection plate 4 is fixed to the side wall of the foundation pit through the first lead screw 3, then the protection plate 2 is connected with the connection plate 4, the first limit block 47 is inserted into the first limit groove 22 through the driving mechanism 42 until the first limit block 47 abuts against the inner wall of the first limit groove 22, the T-shaped groove 21 is tightly connected with the T-shaped block 41, and the purpose of fixedly connecting the protection plate 2 and the connection plate 4 is achieved; after connecting plate 4 and the concatenation of guard plate 2 are accomplished, make guard plate 2 and foundation ditch lateral wall fixed connection through first lead screw 3 to can promote the overall stability between a plurality of guard plates 2.
As shown in fig. 1 and 2, the driving mechanism 42 includes a driving bolt 421 rotatably coupled to the top wall of the first inner chamber 43 through a bearing and a pushing block 422 threadedly coupled to the driving bolt 421; the cap of the driving bolt 421 sinks into the top wall of the first inner cavity 43, and the opposite inner sides of each first limiting block 47 and the pushing block 422 are provided with inclined surfaces which are matched with each other. The driving bolt 421 rotates to drive the pushing block 422 to move along the axial direction of the driving bolt 421, and at this time, the two first limiting blocks 47 move back to back under the pushing of the pushing block 422; by arranging the driving mechanism 42, the two first limit blocks 47 can be driven to move back to back.
As shown in fig. 2 and 3, a sliding groove 45 is formed in a side wall of the first through hole 44, and an elastic component 46 for driving the first stopper 47 to move toward the driving bolt 421 is installed in the sliding groove 45; the elastic assembly 46 includes a fixing plate 461 slidably connected to the sliding slot 45 along the length direction of the first through hole 44 and a spring 462 fixedly connected to one side of the fixing plate 461 away from the driving bolt 421, one end of the spring 462 away from the fixing plate 461 is fixedly connected to the inner wall of the sliding slot 45 away from one end of the driving bolt 421, and the fixing plate 461 is fixedly connected to the bottom of the first stopper 47. The first stopper 47 moves toward the first stopper groove 22 to drive the fixing plate 461 to move, the fixing plate 461 moves to press the spring 462, and the spring 462 is in a compressed state; when the pushing block 422 moves away from the first stopper 47, the fixing piece 461 drives the first stopper 47 to return under the action of the spring 462.
As shown in fig. 1 and 4, a horizontal plate 5 is arranged between two adjacent bottom plates 1, a second lead screw 6 is in threaded connection with each of the bottom plates 1 and the horizontal plate 5, a second inner cavity 53 is formed in each of the horizontal plates 5, second through holes 54 are respectively formed in inner walls of opposite sides of the second inner cavity 53, second limiting blocks 51 are respectively connected in the two second through holes 54 in a sliding manner, a sliding sleeve 512 is fixedly connected to one side, away from a rack 511, of each second limiting block 51, a guide rod 531 is fixedly connected in each of the second inner cavities 53, each guide rod 531 is columnar, and the sliding sleeve 512 is connected to the guide rod 531 in a sliding manner along the width direction of the horizontal; second spacing groove 11 has been seted up respectively to two adjacent bottom plates 1's relative inboard, installs in the second inner chamber 53 and is used for promoting two second stopper 51 back of the body or the pushing mechanism 52 of motion in opposite directions, and two second stoppers 51 are pegged graft respectively in two second spacing grooves 11, installs in the second spacing groove 11 and is used for carrying out the mounting 12 fixed to second stopper 51, and mounting 12 is the countersunk head bolt, and the countersunk head bolt runs through the roof and the second stopper 51 threaded connection of second spacing groove 11. When the bottom plate 1 is installed, the horizontal plate 5 is fixedly connected with the bottom wall of the foundation pit through the second lead screw 6, then the second limiting block 51 is inserted into the second limiting groove 11 through the pushing mechanism 52, and then the fixing piece 12 is used for fixing the second limiting block 51, so that the purpose of fixedly connecting the bottom plate 1 and the horizontal plate 5 is achieved; after the bottom plate 1 is spliced with the horizontal plate 5, the bottom plate 1 is fixedly connected to the bottom side of the foundation pit through the second lead screw 6.
As shown in fig. 4, in order to facilitate driving the two second stoppers 51 to move back and forth or to move toward each other, a pushing mechanism is provided. The pushing mechanism 52 includes a vertical shaft 522 rotatably connected to the horizontal plate 5 through a bearing, a rotating cap 521 fixedly connected to the upper surface of the vertical shaft 522, and a gear 523 fixed to the outer peripheral surface of the vertical shaft 522 in a sleeved manner, wherein two racks 511 are fixedly connected to the inner sides of the two second limiting blocks 51, and the two racks 511 are engaged with the gear 523. The vertical shaft 522 is driven to rotate by the rotating cap 521, the vertical shaft 522 rotates to drive the gear 523 to rotate, the gear 523 rotates to drive the two racks 511 to move back to back or towards each other, and the two racks 511 move back to back or towards each other to drive the two second limiting blocks 51 to move back to back or towards each other.
The implementation principle of the foundation pit supporting structure in the embodiment of the application is as follows: when the protection plate 2 is installed, the connection plate 4 is fixed to the side wall of the foundation pit through the first lead screw 3, then the protection plate 2 is connected with the connection plate 4, then the driving bolt 421 is rotated to drive the pushing block 422 to move axially along the driving bolt 421, at the moment, the two first limit blocks 47 are respectively inserted into the two first limit grooves 22 under the pushing of the pushing block 422 until the first limit blocks 47 abut against the inner wall of the first limit grooves 22, so that the T-shaped groove 21 is tightly connected with the T-shaped block 41, and the purpose of fixedly connecting the protection plate 2 and the connection plate 4 is achieved; after connecting plate 4 and the concatenation of guard plate 2 are accomplished, make guard plate 2 and foundation ditch lateral wall fixed connection through first lead screw 3 to can promote the overall stability between a plurality of guard plates 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. The utility model provides a foundation ditch supporting construction, is including setting up in a plurality of bottom plates (1) of foundation ditch bottom side, its characterized in that: the upper surface of each bottom plate (1) is provided with protection plates (2), a connecting plate (4) is arranged between every two adjacent protection plates (2), the protection plates (2) and the connecting plate (4) are in threaded connection with first lead screws (3), T-shaped grooves (21) are formed in the opposite inner sides of every two adjacent protection plates (2), T-shaped blocks (41) are fixedly connected to the two sides of the connecting plate (4) respectively, the two T-shaped blocks (41) are connected to the two T-shaped grooves (21) in a sliding mode respectively, a first inner cavity (43) is formed in the connecting plate (4), first through holes (44) are formed in the two opposite inner side walls of the first inner cavity (43), and first limiting blocks (47) are connected to the two first through holes (44) in a sliding mode respectively; adjacent two first spacing grooves (22) have been seted up respectively to the relative inboard of guard plate (2), install in first inner chamber (43) and be used for driving two first stopper (47) looks back on back actuating mechanism (42) of motion, peg graft respectively in two first spacing grooves (22) two first stopper (47).
2. A foundation pit supporting construction according to claim 1, wherein: actuating mechanism (42) are including drive bolt (421) and promote piece (422), drive bolt (421) rotate to be connected in the roof of first inner chamber (43), drive bolt (421) with promote piece (422) threaded connection, every first stopper (47) all are equipped with the inclined plane, two inclined plane phase-matchs with the relative inboard that promotes piece (422).
3. A foundation pit supporting construction according to claim 2, wherein: a sliding groove (45) is formed in the side wall of the first through hole (44), and an elastic assembly (46) used for driving the first limiting block (47) to move towards the direction close to the driving bolt (421) is installed in the sliding groove (45).
4. A foundation pit supporting construction according to claim 3, wherein: elastic component (46) include along the length direction sliding connection of first through-hole (44) stationary blade (461) and fixed connection in stationary blade (461) of spout (45) keep away from spring (462) of drive bolt (421) one side, the one end fixed connection that spring (462) kept away from stationary blade (461) is kept away from the inner wall of drive bolt (421) one end in spout (45), stationary blade (461) fixed connection is in first stopper (47) bottom.
5. A foundation pit supporting construction according to claim 1, wherein: a horizontal plate (5) is arranged between every two adjacent bottom plates (1), a second lead screw (6) is in threaded connection with each of the bottom plates (1) and the horizontal plate (5), a second inner cavity (53) is formed in each horizontal plate (5), second through holes (54) are formed in the inner walls of the opposite sides of each second inner cavity (53), and second limiting blocks (51) are connected in the two second through holes (54) in a sliding mode; two adjacent second spacing grooves (11) have been seted up respectively to the relative inboard of bottom plate (1), install in second inner chamber (53) and be used for promoting two second spacing blocks (51) and carry on back of the body or in the opposite directions pushing mechanism (52) of moving, two second spacing blocks (51) are pegged graft respectively in two second spacing grooves (11), install in second spacing groove (11) and be used for fixing mounting (12) second spacing block (51).
6. A foundation pit supporting construction according to claim 5, wherein: the pushing mechanism (52) comprises a vertical shaft (522) rotatably connected to the horizontal plate (5), a rotating cap (521) fixedly connected to the upper surface of the vertical shaft (522), and a gear (523) fixedly arranged on the peripheral surface of the vertical shaft (522) in a sleeved mode, two racks (511) are fixedly connected to the inner sides of the second limiting blocks (51) relatively, and the two racks (511) are meshed with the gear (523).
7. A foundation pit supporting construction according to claim 6, wherein: the fixing piece (12) is a countersunk head bolt, and the countersunk head bolt penetrates through the top wall of the second limiting groove (11) and is in threaded connection with the second limiting block (51).
8. A foundation pit supporting construction according to claim 6, wherein: one side fixedly connected with sliding sleeve (512) of rack (511) is kept away from in second stopper (51), fixedly connected with guide bar (531) in second inner chamber (53), sliding sleeve (512) slide along the width direction of horizontal plate (5) and connect in guide bar (531).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021757151.9U CN212983884U (en) | 2020-08-20 | 2020-08-20 | Foundation pit supporting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021757151.9U CN212983884U (en) | 2020-08-20 | 2020-08-20 | Foundation pit supporting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212983884U true CN212983884U (en) | 2021-04-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021757151.9U Active CN212983884U (en) | 2020-08-20 | 2020-08-20 | Foundation pit supporting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212983884U (en) |
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2020
- 2020-08-20 CN CN202021757151.9U patent/CN212983884U/en active Active
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Address after: 247100 R & D building of Jin'an Industrial Park, Chizhou economic and Technological Development Zone, Anhui Province (in Zhengsheng company) Patentee after: Anhui Qitai Construction Group Co.,Ltd. Address before: 247100 R & D building of Jin'an Industrial Park, Chizhou economic and Technological Development Zone, Anhui Province (in Zhengsheng company) Patentee before: Anhui Qitai Construction Engineering Co.,Ltd. |
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