CN215441941U

CN215441941U - Foundation pit supporting structure

Info

Publication number: CN215441941U
Application number: CN202122093922.XU
Authority: CN
Inventors: 吴伯海; 邱炬; 兰长安
Original assignee: Fujian Hongji Construction Engineering Co ltd
Current assignee: Fujian Hongji Construction Engineering Co ltd
Priority date: 2021-09-01
Filing date: 2021-09-01
Publication date: 2022-01-07
Anticipated expiration: 2031-09-01

Abstract

The application discloses a foundation pit supporting structure, which relates to the field of building construction and comprises a supporting plate arranged on the side wall of a foundation pit and a fixed rod arranged on the supporting plate, wherein one end of the fixed rod, which is far away from the supporting plate, is inserted into the bottom wall of the foundation pit; a plurality of mounting seats are pre-buried in the supporting plates, one side of each mounting seat is provided with a sliding groove, a connecting rod is connected in the sliding groove in a sliding manner, each connecting rod comprises a locking block which is connected in the sliding groove in a sliding manner, the locking blocks are completely accommodated in the sliding grooves, and the adjacent supporting plates are provided with locking grooves for the insertion of the locking blocks; a driving piece for driving the locking block to slide out of the sliding groove is installed in the sliding groove, a control rod is rotatably connected to the supporting plate, and a fixing block for tightly abutting the locking block in the locking groove is arranged on the control rod; the mounting plate is connected in the sliding groove in a sliding mode, the driving piece is located between the mounting plate and the connecting rod, and the fixing block can abut against the mounting plate; the supporting plate is provided with a fixing piece for fixing the control rod. This application has the effect of convenient to detach backup pad.

Description

Foundation pit supporting structure

Technical Field

The application relates to the field of building construction, in particular to a foundation pit supporting structure.

Background

The foundation pit support is a protective measure for retaining and reinforcing the side wall of the foundation pit and the surrounding environment of the foundation pit, and aims to ensure the safety of the underground structure construction and the surrounding environment of the foundation pit.

Referring to fig. 1, a supporting structure of a foundation pit in the related art includes a supporting plate 1 attached to a side wall of a foundation pit 24, and a fixing rod 2 disposed between the supporting plate 1 and a bottom wall of the foundation pit 24. During installation, the support plate 1 is attached to the side wall of the foundation pit 24; then, one end of the fixing rod 2, which is far away from the supporting plate 1, is inserted into the bottom wall of the foundation pit 24, and then the other end of the fixing rod 2 is welded on the supporting plate 1, so that the supporting plate 1 is pressed on the side wall of the foundation pit 24. In order to better support the foundation pit 24, the side walls of the adjacent support plates 1 are welded together, so that the side walls of the foundation pit 24 are supported and reinforced.

In the above related art, the adjacent support plates 1 are connected by welding, and when the foundation pit 24 is backfilled, cutting or blasting is usually performed, which is troublesome and inconvenient to detach the support plates 1.

SUMMERY OF THE UTILITY MODEL

In order to facilitate the dismantlement backup pad, this application provides a foundation ditch supporting construction.

The application provides a foundation ditch supporting construction adopts following technical scheme:

a foundation pit supporting structure comprises a supporting plate and a fixing rod, wherein the supporting plate is arranged on the side wall of a foundation pit, the fixing rod is arranged on the supporting plate, and one end, far away from the supporting plate, of the fixing rod is inserted into the bottom wall of the foundation pit; the supporting plate is pre-embedded with a plurality of mounting seats along the vertical direction, one side of each mounting seat is provided with a sliding groove, a connecting rod is connected in the sliding groove in a sliding manner, each connecting rod comprises a locking block connected in the sliding groove in a sliding manner, the locking block is completely accommodated in the sliding groove, and a locking groove for the insertion of the locking block is formed in the adjacent supporting plate; a driving piece for driving the locking block to slide out of the sliding groove is installed in the sliding groove, the supporting plate is rotatably connected with a control rod extending to the top of the supporting plate along the vertical direction of the supporting plate, and a fixing block for abutting the locking block in the locking groove is arranged on the control rod; the mounting plate is connected in the sliding groove in a sliding mode, the driving piece is located between the mounting plate and the connecting rod, and the fixing block can abut against the mounting plate; the supporting plate is provided with a fixing piece for fixing the control rod.

Through adopting above-mentioned technical scheme, when dismantling, remove the fixed of mounting to the control lever, rotate the control lever and break away from the mounting panel to the fixed block, remove the locking to the locking piece. In the process of lifting the supporting plate from bottom to top in the foundation pit by utilizing the hoisting equipment, the locking block abuts against the inner wall of the locking groove in the adjacent supporting plate to completely abut back the locking block to the sliding groove, so that the supporting plate can be lifted. The supporting plate is disassembled, and the effect of convenient disassembly of the supporting plate is achieved.

Optionally, the fixing member is a butterfly bolt, a fixing seat is arranged at the position, located at the control rod, of the supporting plate, the butterfly bolt is connected to the fixing seat in a threaded manner, and one end of the butterfly bolt abuts against the control rod.

By adopting the technical scheme, when the butterfly bolt is fixed, the end part of the butterfly bolt is abutted against the side wall of the control rod by rotating the butterfly bolt, so that the control rod is fixed, and the operation is simple.

Optionally, the driving member is a spring, one end of the spring abuts against the mounting plate, and the other end of the spring abuts against the connecting rod.

By adopting the technical scheme, in the process of installing the supporting plate in the foundation pit, the locking block is pushed back into the sliding groove, and at the moment, the spring is extruded by the locking block to deform; when the backup pad installation butt on the diapire of foundation ditch, the locking piece is corresponding with the locking groove in the adjacent backup pad, and the locking piece slides to the locking piece and pegs graft in locking inslot towards the locking groove under the effect of spring this moment.

Optionally, the supporting plate is provided with a mounting groove at the control rod for completely accommodating the control rod and the fixing block, and the fixing block can rotate around the control rod in the mounting groove; the one side that the locking piece was kept away from to the mount pad is seted up the groove of stepping down that is linked together with the spout, the groove of stepping down is linked together with the mounting groove, but fixed block sliding connection in the inslot of stepping down.

Through adopting above-mentioned technical scheme, during fixed, the control lever is rotated for the fixed block slides in from the mounting groove and steps down the inslot, and the fixed block butt slides in the mounting panel to the direction of promoting the mounting panel and keeping away from the control lever this moment, supports the locking piece tightly in locking inslot, thereby realizes the connection of adjacent backup pad.

Optionally, a limiting assembly used for limiting the connecting rod to be separated from the sliding groove is arranged between the connecting rod and the sliding groove, the limiting assembly comprises a convex edge arranged in the sliding groove and a limiting block arranged on the connecting rod, and the limiting block is abutted to the convex edge.

Through adopting above-mentioned technical scheme, when the connecting rod slides to stopper butt on protruding edge, be favorable to blockking the connecting rod and break away from the spout to be favorable to improving the reliability that connecting rod and spout are connected.

Optionally, the cross section of the locking block is semicircular.

Through adopting above-mentioned technical scheme, at the dismouting in-process, be favorable to propping back the locking piece in the spout.

Optionally, the supporting plate is detachably connected with a cover plate at the position of the control rod.

Through adopting above-mentioned technical scheme, set up the apron in the backup pad to the apron can be dismantled and connect in the backup pad, is favorable to installing the control lever in the mounting groove through the apron.

Optionally, an indication block which moves synchronously with the fixed block is arranged on the control rod, a connection groove for the indication block to be connected in a sliding manner is formed in the fixed seat, and the butterfly bolt can abut against the indication block.

By adopting the technical scheme, the control rod is provided with the indicating block, and the indicating block and the fixed block synchronously move; so as to facilitate the inspection of the installed support plate to ensure the installation is error-free.

Optionally, a suspension loop is arranged on the support plate.

Through adopting above-mentioned technical scheme, at the in-process of dismouting backup pad, the accessible is connected lifting device and link to lift by crane the backup pad, be convenient for the backup pad install on the inner wall of foundation ditch.

In summary, the present application includes at least one of the following benefits:

1. the effect of convenient disassembly of the supporting plate is achieved;

2. the effect of being convenient for inspect the connection condition of the adjacent supporting plates is achieved.

Drawings

Fig. 1 is a schematic view of a structure in the related art;

FIG. 2 is a structural view of the present embodiment of the present application;

FIG. 3 is a schematic structural diagram of a support plate according to the present embodiment of the present application;

FIG. 4 is a schematic transverse cross-sectional view of a support plate according to the present embodiment of the present application;

FIG. 5 is a schematic longitudinal cross-sectional view of a support plate according to the present embodiment of the present application;

fig. 6 is an enlarged schematic view at a in fig. 5.

Description of reference numerals: 1. a support plate; 2. fixing the rod; 3. mounting blocks; 4. hanging a ring; 5. a mounting seat; 6. a chute; 7. a connecting rod; 8. a convex edge; 9. a limiting block; 10. a locking block; 11. a locking groove; 12. mounting a plate; 13. a control lever; 131. a handle; 14. a bearing; 15. mounting grooves; 16. a cover plate; 17. a fixed block; 18. a yielding groove; 19. a bevel; 20. a butterfly bolt; 21. a fixed seat; 22. an indication block; 23. connecting grooves; 24. a foundation pit; 25. a spring.

Detailed Description

The present application is described in further detail below with reference to figures 2-6.

Referring to fig. 2, the foundation pit supporting structure includes a plurality of supporting plates 1 arranged side by side along the inner wall of a foundation pit 24, and a fixing rod 2 arranged on the supporting plates 1. One end of the fixing rod 2, which is far away from the supporting plate 1, is inserted into the bottom wall of the foundation pit 24 and is used for pressing the supporting plate 1 on the inner wall of the foundation pit 24.

Referring to fig. 2 and 3, two mounting blocks 3 are fixed to the support plate 1 at the fixing rod 2, and the fixing rod 2 is located between the two mounting blocks 3. The fixing rod 2 is connected with the mounting block 3 through shaft hinge, so that the fixing rod 2 is mounted on the supporting plate 1. In addition, two suspension loops 4 are fixed on the top of the support and used for connecting hoisting equipment, so that the support plate 1 can be conveniently installed in the foundation pit 24 from top to bottom.

Referring to fig. 4 and 5, the support plate 1 is pre-embedded with three mounting seats 5 at intervals in a vertical direction thereof, and one side of the mounting seat 5 is located on a side wall of the support plate 1. One side of the mounting seat 5 close to the adjacent supporting plate 1 is provided with a sliding groove 6, and a connecting rod 7 is connected in the sliding groove 6 in a transverse sliding manner. A limiting component is arranged between the connecting rod 7 and the sliding groove 6 and used for blocking the connecting rod 7 from separating from the sliding groove 6. The limiting assembly comprises a convex edge 8 which is adhered to the inner wall of the groove opening of the sliding groove 6 and close to the inner wall of the groove opening of the sliding groove, and a limiting block 9 which is fixed on the side wall of the connecting rod 7 close to one end of the locking block 10, wherein the limiting block 9 is abutted to the convex edge 8. When the connecting rod 7 slides to the limiting block 9 and abuts on the convex edge 8, the connecting rod 7 is favorably prevented from being separated from the sliding groove 6, and the reliability of connection between the connecting rod 7 and the sliding groove 6 is favorably improved.

With reference to fig. 4 and 5, the connecting rod 7 comprises a locking block 10 housed completely inside the chute 6, and the locking block 10 is semi-spherical; the adjacent supporting plate 1 is provided with a locking groove 11 for inserting the locking block 10. A driving member is mounted in the slide slot 6 for driving the locking block 10 to slide completely out of the slide slot 6. The driving piece is a spring 25, a mounting plate 12 is connected in the chute 6 in a sliding manner, and the spring 25 is positioned between the mounting plate 12 and the connecting rod 7; one end of the spring 25 abuts against the mounting plate 12, and the other end of the spring 25 abuts against the link 7. When the adjacent supporting plates 1 are installed, the supporting plates 1 are installed on the inner wall of the foundation pit 24 from top to bottom through hoisting equipment. During the installation process, the locking block 10 is pressed by the adjacent support plate 1 and slides back into the sliding groove 6, and at the moment, the connecting rod 7 extrudes the spring 25 to deform the spring. When the support plate 1 is lifted until the locking block 10 corresponds to the locking groove 11, the locking block 10 slides out of the sliding groove 6 under the action of the spring 25 until the locking block 10 is inserted into the locking groove 11.

Referring to fig. 4 and 5, the support plate 1 is rotatably connected with a control rod 13 in a vertical direction thereof, and one end of the control rod 13 extends to the top of the support plate 1. Bearings 14 are respectively fixed at two ends of the support plate 1, which are located at the control rod 13, and the inner ring of the bearing 14 is connected with the outer wall of the control rod 13. The supporting plate 1 is provided with a mounting groove 15 at the position of the control rod 13, in addition, the supporting plate 1 is detachably connected with a cover plate 16 at the position close to the control rod 13, and the cover plate 16 is connected with the supporting plate 1 through a countersunk head bolt; and the cover plate 16 and the countersunk head bolts are flush with the surface of the support plate 1. When attaching control rod 13, control rod 13 can be attached to attachment groove 15 by removing cover plate 16, and both ends of control rod 13 can be attached to attachment groove 15.

Referring to fig. 4 and 5, the control rod 13 is fixed with fixing blocks 17 at intervals along the axial direction thereof, the fixing blocks 17 corresponding to the positions of the mounting seats 5, and the control rod 13 can drive the fixing blocks 17 to rotate in the mounting grooves 15 by rotating the fixing blocks 17. To facilitate rotation of the control lever 13, a handle 131 is fixed to the top of the control lever 13. The mounting seat 5 is provided with a yielding groove 18 for the sliding connection of the fixing block 17, and the yielding groove 18 is communicated with the sliding groove 6. In addition, the fixed block 17 is provided with an inclined surface 19 on the side away from the control rod 13, and the inclined surface 19 is used for abutting against the mounting plate 12. During the installation, through rotating control lever 13 for fixed block 17 from mounting groove 15 slip in the groove of stepping down 18 to fixed block 17 promote mounting panel 12 to slide towards keeping away from control lever 13 direction, thereby support locking block 10 tightly in locking groove 11, install two adjacent backup pads 1.

Referring to fig. 3 and 6, the support plate 1 is provided at the control lever 13 with a fixing member for fixing the control lever 13. The fixing piece is a butterfly bolt 20, a fixing seat 21 is fixed at the position, located at the control rod 13, of the top of the support plate 1, the butterfly bolt 20 is connected to the fixing seat 21 in a threaded mode, and one end of the butterfly bolt 20 can abut against the control rod 13. During fixing, the butterfly bolt 20 is rotated until the end of the butterfly bolt 20 abuts against the control rod 13, so that the control rod 13 is fixed.

Referring to fig. 3 and 6, the control rod 13 is fixed with an indicating block 22 at the fixed seat 21, the indicating block 22 is located at the same level as the fixed block 17, and the indicating block 22 and the fixed block 17 rotate synchronously on the control rod 13. The fixing base 21 is provided with a connecting groove 23 for slidably connecting the indicating block 22, and a stop block abutting against the indicating block 22 is fixed in the connecting groove 23. When the control rod 13 is rotated until the indication block 22 abuts on the stop block, the fixing block 17 pushes the mounting plate 12 to slide until the locking block 10 abuts in the locking groove 11, so as to check the installation condition of the adjacent support plate 1. In addition, the outer wall of the butterfly bolt 20 near one end of the control rod 13 can abut against the indication block 22, and at this time, the indication block 22 is positioned between the butterfly bolt 20 and the stopper to fix the indication block 22.

The implementation principle of the foundation pit supporting structure in the embodiment of the application is as follows: when the butterfly bolt 20 is disassembled, the control rod 13 is released from the fixing, and then the control rod 13 is rotated until the fixing block 17 is separated from the abdicating groove 18. Utilize lifting device to with backup pad 1 ascending lifting, at the in-process of lifting, the inner wall butt of locking groove 11 in adjacent backup pad 1 is to pushing back spout 6 with locking block 10 in locking block 10 to dismantle backup pad 1, have the effect of convenient to detach backup pad 1.

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

1. A foundation pit supporting structure comprises a supporting plate (1) arranged on the side wall of a foundation pit (24) and a fixing rod (2) arranged on the supporting plate (1), wherein one end, far away from the supporting plate (1), of the fixing rod (2) is inserted into the bottom wall of the foundation pit (24); the method is characterized in that: the supporting plate (1) is pre-embedded with a plurality of mounting seats (5) along the vertical direction, one side of each mounting seat (5) is provided with a sliding groove (6), each sliding groove (6) is connected with a connecting rod (7) in a sliding mode, each connecting rod (7) comprises a locking block (10) which is connected in each sliding groove (6) in a sliding mode, each locking block (10) is completely accommodated in each sliding groove (6), and each adjacent supporting plate (1) is provided with a locking groove (11) for the locking block (10) to be inserted; a driving piece for driving the locking block (10) to slide out of the sliding groove (6) is installed in the sliding groove (6), the supporting plate (1) is rotatably connected with a control rod (13) extending to the top of the supporting plate along the vertical direction of the supporting plate, and a fixing block (17) for abutting the locking block (10) in the locking groove (11) is arranged on the control rod (13); the sliding chute (6) is internally and slidably connected with a mounting plate (12), the driving piece is positioned between the mounting plate (12) and the connecting rod (7), and the fixing block (17) can abut against the mounting plate (12); the supporting plate (1) is provided with a fixing piece for fixing the control rod (13).

2. A foundation pit supporting construction according to claim 1, wherein: the fixing piece is a butterfly bolt (20), a fixing seat (21) is arranged at the position, located on the control rod (13), of the supporting plate (1), the butterfly bolt (20) is connected to the fixing seat (21) in a threaded mode, and one end of the butterfly bolt (20) abuts against the control rod (13).

3. A foundation pit supporting construction according to claim 1, wherein: the driving piece is a spring (25), one end of the spring (25) is abutted to the mounting plate (12), and the other end of the spring (25) is abutted to the connecting rod (7).

4. A foundation pit supporting construction according to claim 1, wherein: the supporting plate (1) is positioned at the control rod (13) and is provided with a mounting groove (15) which completely contains the control rod (13) and a fixing block (17), and the fixing block (17) can rotate around the control rod (13) in the mounting groove (15); the control rod (13) is connected with the inner wall of the mounting groove (15) through a bearing (14); one side of the mounting seat (5) far away from the locking block (10) is provided with a yielding groove (18) communicated with the sliding groove (6), the yielding groove (18) is communicated with the mounting groove (15), and the fixing block (17) is slidably connected in the yielding groove (18).

5. A foundation pit supporting construction according to claim 1, wherein: be provided with the spacing subassembly that is used for restricting connecting rod (7) to break away from spout (6) between connecting rod (7) and spout (6), spacing subassembly is including setting up protruding edge (8) in spout (6), setting up stopper (9) on connecting rod (7), stopper (9) and protruding edge (8) looks butt.

6. A foundation pit supporting construction according to claim 1, wherein: the cross section of the locking block (10) is semicircular.

7. A foundation pit supporting construction according to claim 4, wherein: the supporting plate (1) is detachably connected with a cover plate (16) at the position of the control rod (13).

8. A foundation pit supporting construction according to claim 2, wherein: the control rod (13) is provided with an indicating block (22) which moves synchronously with the fixed block (17), the fixed seat (21) is provided with a connecting groove (23) for the indicating block (22) to be connected in a sliding mode, and the butterfly bolt (20) can abut against the indicating block (22).

9. A foundation pit supporting construction according to claim 1, wherein: the support plate (1) is provided with a hanging ring (4).