CN217105114U - Foundation pit supporting structure - Google Patents
Foundation pit supporting structure Download PDFInfo
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- CN217105114U CN217105114U CN202122837484.3U CN202122837484U CN217105114U CN 217105114 U CN217105114 U CN 217105114U CN 202122837484 U CN202122837484 U CN 202122837484U CN 217105114 U CN217105114 U CN 217105114U
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- rod
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- bottom plate
- foundation pit
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Abstract
The application discloses a foundation pit supporting structure, which relates to the technical field of foundation pit supporting, the supporting structure is arranged on a foundation pit, one side of a bottom plate is hinged with a supporting plate, the supporting plate can be flexibly adjusted according to the inclination angle of the side wall of the pit, after the supporting plate is jointed and connected with the side wall of the pit, a limiting block at one end of a stress supporting rod can be inserted into the inner side of a limiting groove to fix the supporting plate, the stress supporting rod can flexibly extend and retract by using a positioning rod, after the length is adjusted and fixed, the positioning rod can be limited and fixed by a pull rod, when the bottom plate of the supporting structure needs to be fixed, if the bottom of the foundation pit is soft soil, a screw rod can be downwards rotated, so that the screw rod drives a conical insertion rod to be inserted into the soft soil for fixing, when the bottom surface of the foundation pit is laid to be a hard plane, the screw rod can be upwards rotated to enable the conical insertion rod to be higher than the upper end of a fixed ring plate, and a supporting foot seat can be adsorbed on the hard plane through a sucker, the bottom plate of the supporting structure can be adjusted and fixed quickly according to different geology.
Description
Technical Field
The application relates to the technical field of foundation pit support, in particular to a foundation pit support structure.
Background
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.
Current supporting construction is when keeping off the protection to the pit lateral wall, because the geology is different, some foundation ditch bottoms are soft soil, and the ceramic tile can be laid to some foundation ditch bottom surfaces, make supporting construction can't support according to the foundation ditch geology and adjust, cause supporting construction unstable when keeping off the protection very easily, influence holistic supporting effect, many supporting construction all support the pit lateral wall through the atress pole of slope simultaneously, if the atress pole can't carry out the activity according to the angle of pit lateral wall and adjust, also will make supporting construction's application range receive the limitation.
In view of the above-mentioned related technologies, the inventor thinks that the supporting structure cannot be supported and adjusted according to the geology of the foundation pit, which easily causes the supporting structure to be unstable during retaining protection, and if the stress rod cannot be movably adjusted according to the angle of the side wall of the pit, the application range of the supporting structure is limited.
SUMMERY OF THE UTILITY MODEL
In order to improve the problem of supporting structure support stability and application range, this application provides excavation supporting construction.
The application provides a foundation ditch supporting construction adopts following technical scheme:
the foundation pit supporting structure is arranged on a foundation pit and comprises a bottom plate arranged on the foundation pit and a supporting plate hinged to one side of the bottom plate, the bottom plate is connected with the supporting plate in an L shape, an inclined stressed strut is connected between the bottom plate and the supporting plate, and one side, far away from the supporting plate, of the stressed strut is hinged to the bottom plate through a hinged shaft;
the bottom plate comprises a connecting rotating shaft arranged at the upper end of the bottom plate, screw rods penetrate through two sides of the bottom plate, the screw rods penetrate through the middle of the connecting rotating shaft, the upper end of each screw rod is connected with a handle, one end, far away from the handle, of each screw rod is welded with a conical inserted rod, and the conical inserted rods are located at the lower end of the bottom plate;
the utility model discloses a fixing device for fixing a sucker, including a base plate, a screw rod, a toper inserted bar, a bottom plate, a connecting rod, a supporting foot seat, a sucking disc and a split pin, the junction of toper inserted bar and screw rod is provided with the fixed ring board, the middle activity that the screw rod passes through the fixed ring board runs through, the split pin has been run through to one side of fixed ring board, and the connecting rod that the fixed ring board is connected through the upper end is connected with the bottom plate, the one end symmetry that the connecting rod was kept away from to the fixed ring board is installed to the supporting foot seat, the sucking disc is still installed to the one end that the fixed ring board was kept away from to the supporting foot seat.
Through adopting above-mentioned technical scheme, the junction of backup pad and bottom plate is articulated, can adjust according to the inclination of the lateral wall of digging in a flexible way, and after the backup pad was connected with the lateral wall laminating of digging in, atress branch will support in the middle of the two, makes the one end of atress branch support tightly in one side of backup pad to can prop up the lateral wall of foundation ditch and keep off the protection. The staff can rotate the handle and make the screw rod upwards or rotate downwards, the screw rod runs through the inboard of connecting the pivot, will drive toper inserted bar synchronous motion when the screw rod is from top to bottom displaced, if the foundation ditch bottom is soft soil, can rotate the screw rod downwards, it fixes to make the screw rod drive toper inserted bar insert in the soft soil, the connecting piece at both ends can be fixed about the retaining ring board after one side that the split pin passes through the retaining ring board runs through, the split pin will run through the centre of connecting rod, it is fixed to make the retaining ring board be connected with the connecting rod, when the screw rod drives toper inserted bar rebound and is higher than the retaining ring board, the leg base can adsorb on the stereoplasm plane through the sucking disc of lower extreme, it is fixed to make supporting construction's bottom plate can adjust according to different geology fast.
Optionally, one side of the supporting plate, which is far away from the limiting groove, is provided with anti-slip threads.
Through adopting above-mentioned technical scheme, anti-skidding line can strengthen whole anti-skidding effect when backup pad and hole lateral wall contact.
Optionally, the atress branch is connected for first branch and second branch and constitutes, first branch is located the one side that is close to the backup pad, second branch is located the one side that is close to the bottom plate, first branch and second branch are connected through the locating lever that runs through in the middle of, and the one end of locating lever and the one end fixed connection of first branch, the one end welding that the locating lever was kept away from to first branch has the stopper, stopper and spacing groove activity grafting, the shaft hole of being connected with articulated shaft is seted up to the one end that the locating lever was kept away from to second branch, spacing groove that the spacing distance equals is seted up to one side that the backup pad is close to atress branch.
Through adopting above-mentioned technical scheme, first branch and second branch can stretch out and draw back the regulation through the locating lever, make atress branch can support it according to the inclination of backup pad and support tightly, and the one end of first branch supports the backup pad when supporting tightly, and the stopper will be pegged graft the inboard of spacing groove, prevents that first branch and backup pad from producing to slide or separate and influence holistic supporting effect.
Optionally, one side of the first supporting rod is connected with a transverse plate.
Through adopting above-mentioned technical scheme, first bracing piece can carry out the multiunit through the diaphragm and connect, realizes the support effect of different intensity.
Optionally, a pull rod penetrates through the upper end of one side, close to the first supporting rod, of the second supporting rod, a guide slot is formed in one end, far away from the shaft hole, of the second supporting rod, and one end, far away from the first supporting rod, of the positioning rod is inserted into the inner side of the guide slot.
Through adopting above-mentioned technical scheme, second branch passes through the shaft hole and can be connected with the articulated shaft, makes atress branch can produce the swing and adjusts inclination, and the pull rod carries out spacing fixed to the locating lever from the upper end.
Optionally, baffles are welded on two sides of the middle of the pull rod, a pressure spring is connected to the upper ends of the baffles, and the baffles and the pressure spring are located in the inner cavity of the guide slot.
Through adopting above-mentioned technical scheme, when the pull rod upwards stimulates, synchronous movement extrusion pressure spring makes its deformation about the baffle will break away from the locating lever simultaneously and can't carry out spacing fixed to it, and when loosening the pull rod, the pull rod will kick-back to the pressure spring, and the lower extreme card that makes the pull rod is gone into the upper end of locating lever again and is carried out spacing fixed to it.
Optionally, a circular groove with the same spacing distance is formed in the upper end of the positioning rod, one end, away from the pressure spring, of the pull rod is connected with the circular groove in a clamped mode, one end, away from the first supporting rod, of the positioning rod is connected with a piston plate, one side, away from the positioning rod, of the piston plate is connected with an elastic piece, and the piston plate and the elastic piece are located on the inner side of the guide slot.
Through adopting above-mentioned technical scheme, the lower extreme of pull rod carries out spacing fixed to the locating lever through the inside that inserts circular recess, and when the locating lever moved regulation length in the direction slot inboard, the piston board will synchronous movement extrusion elastic component cushion the energy dissipation, makes atress branch remain stable when length adjustment.
In summary, the present application includes at least one of the following benefits:
1. when the bottom plate of the supporting structure needs to be fixed, if the bottom of the foundation pit is soft soil, the screw rod can be rotated downwards, so that the screw rod drives the conical insertion rod to be inserted into the soft soil for fixing, when the floor tiles laid on the bottom surface of the foundation pit are hard planes, the screw rod can be rotated upwards to drive the conical insertion rod to move upwards, when the conical insertion rod moves to a position higher than the upper end of the fixed ring plate, the support foot seat can be adsorbed on the hard planes through the suckers at the lower ends, so that the bottom plate of the supporting structure can be adjusted and fixed quickly according to different geology, and the supporting structure is prevented from being unstable during supporting and retaining protection;
2. the junction of backup pad and bottom plate is articulated, can be according to the nimble regulation of the inclination of hole lateral wall, after the backup pad is connected with the laminating of hole lateral wall, can insert the inboard of spacing groove with the stopper of atress branch one end and fix the backup pad, atress branch can use the nimble flexible length of locating lever, after length adjustment is fixed, can carry out spacing fixed to the locating lever through the pull rod to make supporting construction can adjust the support to it according to the inclination of hole lateral wall, increase holistic fender guard range.
Drawings
FIG. 1 is an overall block diagram of the present application;
FIG. 2 is a cross-sectional view of the base plate of the present application;
FIG. 3 is a raised state view of the screw and tapered bayonet of the present application.
FIG. 4 is a structural view of the force strut of the present application;
fig. 5 is a partially enlarged structural view of a portion a in fig. 1 of the present application.
Description of reference numerals: 1. a base plate; 11. connecting the rotating shaft; 12. a screw; 13. a handle; 14. a tapered plunger; 141. a stationary ring plate; 1411. a connecting rod; 1412. a support base; 1413. a suction cup; 142. a cotter pin; 2. a support plate; 21. a limiting groove; 22. anti-skid lines; 3. a stressed strut; 31. a first support bar; 311. a transverse plate; 312. a limiting block; 32. a second support bar; 321. a shaft hole; 322. a pull rod; 3221. a baffle plate; 3222. a pressure spring; 323. a guide slot; 33. positioning a rod; 331. a circular groove; 332. a piston plate; 333. an elastic member; 4. and (4) hinging the shaft.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The application discloses pit supporting construction of base. Refer to fig. 1, install on the foundation ditch, including installing bottom plate 1 and bottom plate 1 one side articulated backup pad 2 on the foundation ditch, bottom plate 1 is the L type with backup pad 2 and is connected, the intermediate junction of bottom plate 1 and backup pad 2 has the atress branch 3 of slope form, one side that backup pad 2 was kept away from to atress branch 3 is passed through articulated shaft 4 and is connected with bottom plate 1 hinge, backup pad 2 is articulated with bottom plate 1's junction, can be according to the nimble regulation of the inclination of the lateral wall of digging, after backup pad 2 is connected with the lateral wall laminating of digging, atress branch 3 will support in the middle of the two, make the one end of atress branch 3 support tightly in one side of backup pad 2, thereby can prop up the protection of keeping off to the lateral wall of foundation ditch.
Referring to fig. 2 and 3, a fixed ring plate 141 is disposed at a connection position of the tapered insertion rod 14 and the screw 12, the screw 12 movably penetrates through the middle of the fixed ring plate 141, an opening pin 142 penetrates through one side of the fixed ring plate 141, the fixed ring plate 141 is connected with the base plate 1 through a connecting rod 1411 connected to the upper end, a leg base 1412 is symmetrically installed at one end of the fixed ring plate 141 far from the connecting rod 1411, a suction cup 1413 is also installed at one end of the leg base 1412 far from the fixed ring plate 141, a worker can rotate the handle 13 to rotate the screw 12 upward or downward, the screw 12 penetrates through the inner side of the connecting rotating shaft 11, the tapered insertion rod 14 is driven to move synchronously when the screw 12 moves up and down, if the bottom of the foundation pit is soft soil, the screw 12 can be rotated downward to drive the tapered insertion rod 14 to be inserted into the soft soil for fixation, and when the screw 12 drives the tapered insertion rod 14 to move upward higher than the fixed ring plate 141, the supporting foot seats 1412 can be adsorbed on the hard plane through the lower suckers 1413, so that the bottom plate 1 of the supporting structure can be quickly adjusted and fixed according to different geology, and the supporting structure is prevented from being unstable during supporting and blocking protection.
Referring to fig. 1, the side of the support plate 2 away from the limiting groove 21 is provided with an anti-slip pattern 22, and the anti-slip pattern 22 can enhance the overall anti-slip effect when the support plate 2 contacts with the pit side wall.
Referring to fig. 4, the stressed strut 3 is formed by connecting a first strut 31 and a second strut 32, the first strut 31 is located at one side close to the supporting plate 2, the second strut 32 is located at one side close to the bottom plate 1, the first strut 31 and the second strut 32 are connected through a positioning rod 33 penetrating through the middle, one end of the positioning rod 33 is fixedly connected with one end of the first strut 31, which is far away from the positioning rod 33, is welded with a limiting block 312, the limiting block 312 is movably inserted into a limiting groove 21, one end of the second strut 32, which is far away from the positioning rod 33, is provided with a shaft hole 321 connected with the hinge shaft 4, one side of the supporting plate 2, which is close to the stressed strut 3, is provided with the limiting grooves 21 with equal spacing distances, the first strut 31 and the second strut 32 can be adjusted by extending and contracting the positioning rod 33, so that the stressed strut 3 can support and abut against the supporting plate 2 according to the inclination angle of the supporting plate 2, when one end of the first supporting rod 31 supports and tightly abuts against the supporting plate 2, the limiting block 312 is inserted into the inner side of the limiting groove 21, so that the first supporting rod 31 and the supporting plate 2 are prevented from sliding or separating to influence the overall supporting effect.
Referring to fig. 4, a transverse plate 311 is connected to one side of the first supporting rod 31, and the first supporting rod 31 can be connected in multiple groups through the transverse plate 3111, so that supporting effects with different strengths can be achieved.
Referring to fig. 4 and 5, a pull rod 322 penetrates through the upper end of one side of the second support rod 32 close to the first support rod 31, a guide slot 323 is formed in one end, far away from the shaft hole 321, of the second support rod 32, one end, far away from the first support rod 31, of the positioning rod 33 is inserted into the inner side of the guide slot 323, the second support rod 32 can be connected with the hinge shaft 4 through the shaft hole 321, the stressed support rod 3 can swing to adjust the inclination angle, and the pull rod 322 can limit and fix the positioning rod 33 from the upper end.
Referring to fig. 5, baffles 3221 are welded at two sides of the middle of the pull rod 322, a pressure spring 3222 is connected to the upper end of each baffle 3221, the baffles 3221 and the pressure spring 3222 are located in an inner cavity of the guide slot 323, when the pull rod 322 is pulled upwards, the baffles 3221 will move up and down synchronously to press the pressure spring 3222 to deform the same, and meanwhile, the pull rod 322 will also be separated from the positioning rod 33 and cannot limit and fix the same, when the pull rod 322 is loosened, the pressure spring 3222 will rebound the pull rod 322, so that the lower end of the pull rod 322 is clamped into the upper end of the positioning rod 33 again to limit and fix the same.
Referring to fig. 4 and 5, circular grooves 331 with equal spacing are formed in the upper end of the positioning rod 33, one end of the pull rod 322, which is far away from the pressure spring 3222, is connected with the circular grooves 331 in a clamping manner, one end of the positioning rod 33, which is far away from the first supporting rod 31, is connected with a piston plate 332, one side of the piston plate 332, which is far away from the positioning rod 33, is connected with an elastic piece 333, the piston plate 332 and the elastic piece 333 are located inside the guide slot 323, the lower end of the pull rod 322 is inserted into the circular grooves 331 to limit and fix the positioning rod 33, and when the positioning rod 33 moves inside the guide slot 323 to adjust the length, the piston plate 332 synchronously moves and extrudes the elastic piece 333 to buffer and dissipate energy, so that the stressed supporting rod 3 is kept stable during length adjustment.
In summary, the following steps: when the bottom plate 1 of the supporting structure needs to be fixed, if the bottom of the foundation pit is soft soil, the screw 12 can be rotated downwards, so that the screw 12 drives the conical insertion rod 14 to be inserted into the soft soil for fixing, when the floor tiles laid on the bottom surface of the foundation pit are hard planes, the screw 12 can be rotated upwards to drive the conical insertion rod 14 to move upwards, when the conical insertion rod 14 is moved to be higher than the upper end of the fixing ring 141, the support foot base 1412 can be adsorbed on the hard planes through the sucking disc 1413 at the lower end, so that the bottom plate 1 of the supporting structure can be quickly adjusted and fixed according to different geology, the instability of the supporting structure during supporting protection is avoided, the connection part of the supporting plate and the bottom plate 1 is hinged, the inclination angle can be flexibly adjusted according to the side wall of the pit, after the supporting plate 2 is connected with the side wall of the pit, the limiting block 312 at one end of the stress supporting rod 3 can be inserted into the inner side of the limiting groove 21 to fix the supporting plate, stress branch 3 can use the nimble flexible length of locating lever 33, and when length adjustment is fixed back, can carry out spacing fixed to locating lever 33 through pull rod 322 to make supporting construction can adjust it according to the inclination of pit lateral wall and support, increase holistic fender protection scope.
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 (7)
1. Foundation ditch supporting construction installs on the foundation ditch, its characterized in that: the foundation pit supporting structure comprises a bottom plate (1) arranged on a foundation pit and a supporting plate (2) hinged to one side of the bottom plate (1), wherein the bottom plate (1) is connected with the supporting plate (2) in an L shape, an inclined stressed supporting rod (3) is connected between the bottom plate (1) and the supporting plate (2), and one side, far away from the supporting plate (2), of the stressed supporting rod (3) is hinged to the bottom plate (1) through a hinged shaft (4);
the bottom plate (1) comprises a connecting rotating shaft (11) arranged at the upper end of the bottom plate (1), screw rods (12) penetrate through two sides of the bottom plate (1), the screw rods (12) penetrate through the middle of the connecting rotating shaft (11), a handle (13) is connected to the upper ends of the screw rods (12), a conical inserted rod (14) is welded at one end, far away from the handle (13), of each screw rod (12), and the conical inserted rod (14) is located at the lower end of the bottom plate (1);
the connecting department of toper inserted bar (14) and screw rod (12) is provided with fixed crown plate (141), the middle activity that screw rod (12) passed through fixed crown plate (141) is run through, split pin (142) have been run through to one side of fixed crown plate (141), and connecting rod (1411) that fixed crown plate (141) are connected through the upper end are connected with bottom plate (1), supporting foot seat (1412) are installed to the one end symmetry that connecting rod (1411) were kept away from in fixed crown plate (141), sucking disc (1413) are still installed to the one end that fixed crown plate (141) were kept away from in supporting foot seat (1412).
2. The excavation supporting structure of claim 1, wherein: and anti-skid grains (22) are arranged on one side, away from the limiting groove (21), of the supporting plate (2).
3. The excavation supporting structure of claim 1, wherein: the stress strut (3) is formed by connecting a first strut (31) and a second strut (32), the first supporting rod (31) is positioned at one side close to the supporting plate (2), the second supporting rod (32) is positioned at one side close to the bottom plate (1), the first supporting rod (31) and the second supporting rod (32) are connected through a positioning rod (33) penetrating through the middle, one end of the positioning rod (33) is fixedly connected with one end of the first supporting rod (31), a limiting block (312) is welded at one end of the first supporting rod (31) far away from the positioning rod (33), the limiting block (312) is movably inserted into the limiting groove (21), one end of the second support rod (32) far away from the positioning rod (33) is provided with a shaft hole (321) connected with the articulated shaft (4), and one side of the supporting plate (2) close to the stressed supporting rod (3) is provided with limiting grooves (21) with equal spacing distance.
4. The excavation supporting structure of claim 3, wherein: one side of the first supporting rod (31) is connected with a transverse plate (311).
5. The excavation supporting structure of claim 3, wherein: the pull rod (322) penetrates through the upper end of one side, close to the first supporting rod (31), of the second supporting rod (32), a guide slot (323) is formed in one end, far away from the shaft hole (321), of the second supporting rod (32), and one end, far away from the first supporting rod (31), of the positioning rod (33) is inserted into the inner side of the guide slot (323).
6. The excavation supporting structure of claim 5, wherein: baffles (3221) are welded on two sides of the middle of the pull rod (322), a pressure spring (3222) is connected to the upper end of each baffle (3221), and the baffles (3221) and the pressure spring (3222) are located in inner cavities of the guide slots (323).
7. The foundation pit supporting structure of claim 6, wherein: circular recess (331) that the interval distance equals are seted up to the upper end of locating lever (33), the one end and the circular recess (331) block connection of pressure spring (3222) are kept away from in pull rod (322), the one end that first branch (31) were kept away from in locating lever (33) is connected with piston plate (332), one side that locating lever (33) were kept away from in piston plate (332) is connected with elastic component (333), piston plate (332) and elastic component (333) are located guide slot (323) inboard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122837484.3U CN217105114U (en) | 2021-11-18 | 2021-11-18 | Foundation pit supporting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122837484.3U CN217105114U (en) | 2021-11-18 | 2021-11-18 | Foundation pit supporting structure |
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| Publication Number | Publication Date |
|---|---|
| CN217105114U true CN217105114U (en) | 2022-08-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122837484.3U Active CN217105114U (en) | 2021-11-18 | 2021-11-18 | Foundation pit supporting structure |
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| CN (1) | CN217105114U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116180801A (en) * | 2023-04-14 | 2023-05-30 | 歌山建设集团有限公司 | Environment-friendly civil construction pre-buried construction method and auxiliary piece |
-
2021
- 2021-11-18 CN CN202122837484.3U patent/CN217105114U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116180801A (en) * | 2023-04-14 | 2023-05-30 | 歌山建设集团有限公司 | Environment-friendly civil construction pre-buried construction method and auxiliary piece |
| CN116180801B (en) * | 2023-04-14 | 2023-08-04 | 歌山建设集团有限公司 | Environment-friendly civil construction pre-buried construction method and auxiliary piece |
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