CN215518808U

CN215518808U - Foundation pit supporting structure

Info

Publication number: CN215518808U
Application number: CN202122025017.0U
Authority: CN
Inventors: 林宇淋; 林宇福; 刘飞
Original assignee: Fujian Tongtian Construction Engineering Co Ltd
Current assignee: Fujian Tongtian Construction Engineering Co Ltd
Priority date: 2021-08-25
Filing date: 2021-08-25
Publication date: 2022-01-14
Anticipated expiration: 2031-08-25

Abstract

The application discloses a foundation pit supporting structure, which relates to the field of building construction and comprises a supporting plate abutted to the side wall of a foundation pit and a mounting plate for abutting and tightly mounting the supporting plate on the pit wall, wherein one side of the supporting plate is connected with a connecting block in a sliding manner, and a connecting groove for inserting the connecting block is formed in the adjacent supporting plate; a fixing component for fixing the connecting block is arranged between the adjacent supporting plates, the fixing component comprises a fixing rod which is rotatably connected to the adjacent supporting plates, a fixing groove for the fixing rod to be rotatably inserted is formed in the connecting block, an accommodating groove for the fixing rod to rotate is formed in the adjacent supporting plates, and the accommodating groove is communicated with the connecting groove; the support plate is provided with a control piece for controlling the fixed rod to be rotationally inserted into the fixed groove, and the support plate is provided with a locking piece for locking the fixed rod. This application has the effect that improves foundation ditch support waterproof nature.

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 refers to a soil pit excavated at a design position of a foundation, and the soil pit meets the requirements of the elevation of the foundation and the size of the plane of the foundation. In addition, in order to ensure the safety of the underground structure construction and the surrounding environment of the foundation pit, reinforcement and protection measures are generally performed on the side wall of the foundation pit and the surrounding environment.

Chinese patent document No. CN212801560U in the related art discloses a foundation pit support, which includes a support plate abutting against a sidewall of a foundation pit, and an obliquely disposed mounting plate. The both ends of mounting panel are connected with the diapire of backup pad and foundation ditch respectively for the fixed stay board. During installation, one side of the supporting plate is attached to the side wall of the foundation pit, the supporting plate is abutted tightly by the aid of the installing plate, and the supporting plate is fixed on the side wall of the foundation pit. In addition, the adjacent supporting plates are installed in an abutting mode, so that the supporting plates are installed in the foundation pit.

To the correlation technique among the above-mentioned, when one of them mounting panel supported the backup pad tightly the installation, because adjacent backup pad is the butt relation, consequently made adjacent backup pad take place relative displacement easily to make the gap grow between the adjacent backup pad, influenced excavation supporting's water-proof effects.

SUMMERY OF THE UTILITY MODEL

In order to improve foundation ditch support's waterproof nature, 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 mounting plate, wherein the supporting plate abuts against the side wall of a foundation pit, the mounting plate is used for abutting and mounting the supporting plate on the pit wall, one side of the supporting plate is connected with a connecting block in a sliding mode, and a connecting groove for the connecting block to be inserted is formed in the adjacent supporting plate; a fixing component for fixing the connecting block is arranged between the adjacent supporting plates, the fixing component comprises a fixing rod which is rotatably connected to the adjacent supporting plates, a fixing groove for the fixing rod to be rotatably inserted is formed in the connecting block, an accommodating groove for the fixing rod to rotate is formed in the adjacent supporting plates, and the accommodating groove is communicated with the connecting groove; the support plate is provided with a control piece for controlling the fixed rod to be rotationally inserted into the fixed groove, and the support plate is provided with a locking piece for locking the fixed rod.

Through adopting above-mentioned technical scheme, during the installation, peg graft in the spread groove with the connecting block earlier, then utilize the control to peg graft the dead lever in the fixed slot, utilize the locking piece to fix the dead lever after that, with adjacent backup pad fixed connection, have the effect that improves excavation supporting waterproof nature.

Optionally, the supporting plate is located holding tank department and can be dismantled and be connected with the apron.

Through adopting above-mentioned technical scheme, apron can dismantle and connect in the backup pad, is favorable to installing the dead lever in the holding tank.

Optionally, the supporting plate is provided with an installation cylinder which completely accommodates the connecting block, and the connecting block is slidably connected in the installation cylinder; the mounting cylinder is internally provided with a spring used for pushing the connecting block to partially slide out of the mounting cylinder, one end of the spring is abutted against the inner wall of the mounting cylinder, and the other end of the spring is abutted against the connecting block.

By adopting the technical scheme, when the adjacent supporting plates are positioned at the corners of the foundation pit for installation, the connecting blocks can be abutted back into the installation cylinder; adjacent supporting plates are connected in a propping mode at the moment, and the improvement of the waterproofness of the supporting plates to the corners of the foundation pit is facilitated.

Optionally, a limiting assembly used for preventing the connecting block from being separated from the mounting cylinder is arranged between the connecting block and the mounting cylinder, the limiting assembly comprises a limiting block arranged on the connecting block and a stop block arranged on the inner wall of the mounting cylinder, and the limiting block is abutted to the stop block.

Through adopting above-mentioned technical scheme, when the connecting block slides to the stopper butt on the dog, be favorable to blockking the connecting block and break away from the installation section of thick bamboo to be favorable to improving the reliability that connecting block and installation section of thick bamboo are connected.

Optionally, the control member is a rotating rod which is rotatably connected in the accommodating groove along the vertical direction, and one end of the rotating rod extends out of the top of the supporting plate; the one end of dead lever is provided with the head rod perpendicularly, the one end threaded connection that the dead lever was kept away from to the head rod is on the dwang, be provided with the locating part that is used for restricting the head rod and slides from top to bottom between dwang and the head rod.

By adopting the technical scheme, when the fixing device is fixed, the rotating rod is rotated, the first connecting rod rotates around the rotating rod in situ by utilizing the limiting part, and therefore the fixing rod is driven to rotate and be inserted into the fixing groove.

Optionally, the locating part is for being fixed in the butt piece on the dwang, the butt piece has a plurality ofly and follows the axial distribution of dwang, butt piece and head rod looks butt.

Through adopting above-mentioned technical scheme, the dwang is located and goes out to be fixed with the head rod and is connected the piece to the piece that connects has a plurality ofly and distributes along the axial of dwang, and the piece that connects and head rod looks butt for block the head rod and slide from top to bottom along the axial of bull rod, thereby make the dead lever use the dwang to peg graft in the fixed slot as the rotation center is rotatory.

Optionally, a fixed block is arranged at the top of the supporting plate, and the locking piece is a butterfly bolt in threaded connection with the fixed block; when the rotating rod rotates to the fixed rod to be inserted into the fixed groove, the rotating rod is provided with a first locking groove for inserting the butterfly bolt.

By adopting the technical scheme, when the fixing rod is rotationally inserted into the fixing groove, the first locking groove corresponds to the butterfly bolt, the butterfly bolt is partially inserted into the first locking groove to rotate, the rotating rod is fixed, and therefore the fixing rod is fixed.

Optionally, the control member is a rack which is connected in the accommodating groove in a vertically sliding manner, and the operating end of the rack is located at the top of the supporting plate; the fixing assembly comprises a gear meshed on the rack, the gear is completely accommodated in the accommodating groove, a connecting rod which is coaxial with the gear is connected in the accommodating groove in a rotating mode, the connecting rod is fixedly connected with the gear, a second connecting rod is perpendicularly arranged at one end of the fixing rod, and the second connecting rod is connected with the fixing rod.

Through adopting above-mentioned technical scheme, during the installation, drive gear revolve through the slip rack for the dead lever uses the connecting rod as the rotatory grafting in the fixed slot of center of rotation, fixes the connecting block.

Optionally, a second locking groove for the butterfly bolt to be inserted is formed in the rack, and when the rack slides to the fixing rod to be inserted into the fixing groove, the second locking groove corresponds to the butterfly bolt.

By adopting the technical scheme, when the fixing rod is inserted into the fixing groove, the position of the second locking groove corresponds to that of the butterfly bolt, and the butterfly bolt can be partially and rotatably inserted into the second locking groove to fix the rack.

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

1. the waterproof effect of the foundation pit support is improved;

2. the fixing rod fixing device has the effect of facilitating fixing of the fixing rod in the fixing groove.

Drawings

FIG. 1 is a schematic structural diagram of the present embodiment 1;

FIG. 2 is a schematic longitudinal cross-sectional view of the present application at the junction of adjacent support plates in the present embodiment 1;

FIG. 3 is a schematic transverse cross-sectional view of the present embodiment 1 with adjacent supporting plates at the corners of the foundation pit;

FIG. 4 is a schematic longitudinal cross-sectional view of the present application at the junction of adjacent support plates in example 2;

fig. 5 is a schematic transverse cross-sectional view of the present embodiment 2, in which adjacent supporting plates are located at the corners of the foundation pit.

Description of reference numerals: 1. a foundation pit; 2. a support plate; 3. mounting a plate; 4. mounting blocks; 5. a fixing plate; 6. connecting blocks; 7. mounting the cylinder; 8. a spring; 9. a limiting component; 911. a limiting block; 912. a stopper; 10. connecting grooves; 11. fixing the rod; 12. fixing grooves; 13. accommodating grooves; 14. a cover plate; 15. rotating the rod; 16. a first connecting rod; 17. installing a sleeve; 18. a butting block; 19. a fixed block; 20. a butterfly bolt; 21. a first locking groove; 22. a rack; 23. a gear; 24. a connecting rod; 25. a second connecting rod; 26. a second locking groove.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses a foundation ditch supporting construction.

Example 1:

referring to fig. 1, a supporting structure for a foundation pit includes supporting plates 2 spaced apart along a sidewall of the foundation pit 1, and a mounting plate 3 for fixing the supporting plates 2. The mounting panel 3 slope sets up between 1 diapire of foundation ditch and backup pad 2 to the both ends of mounting panel 3 are connected with 1 diapire of foundation ditch and backup pad 2 respectively.

Referring to fig. 1, two mounting blocks 4 are fixed at the joint of the support plate 2 and the mounting plate 3, and one end of the mounting plate 3 is connected with the mounting blocks 4 through shaft hinge, so that the mounting plate 3 is mounted on the support plate 2. In addition, the one end of mounting panel 3 keeping away from backup pad 2 is fixed with fixed plate 5, and fixed plate 5 passes through rag bolt and is connected with the diapire of foundation ditch 1. During the installation, laminate one side of backup pad 2 on foundation ditch 1 lateral wall earlier, then utilize mounting panel 3 to support backup pad 2 tightly on foundation ditch 1 lateral wall, recycle rag bolt and fix fixed plate 5 to solid fixed support board 2.

Referring to fig. 1 and 2, three connecting blocks 6 are slidably connected to one side of the supporting plate 2 along a vertical direction, an installation cylinder 7 for slidably connecting the connecting blocks 6 is embedded in a joint of the supporting plate 2 and the connecting blocks 6, and the connecting blocks 6 can be completely accommodated in the installation cylinder 7. A spring 8 is arranged in the mounting cylinder 7, one end of the spring 8 abuts against the inner wall of the mounting cylinder 7, and the other end of the spring 8 abuts against the connecting block 6; the spring 8 is used for pushing the connecting block 6 to partially slide out of the mounting cylinder 7. In addition, a limiting component 9 is arranged between the connecting block 6 and the mounting cylinder 7 and used for blocking the connecting block 6 from being separated from the mounting cylinder 7. The limiting component 9 comprises a limiting block 911 fixed on the connecting block 6 and a stop block 912 adhered to the mounting cylinder 7 near the port of the mounting cylinder, and the limiting block 911 is abutted to the stop block 912. When adjacent backup pad 2 was installed in the edge of foundation ditch 1, can support connecting block 6 back in installation section of thick bamboo 7, through supporting tight mode with adjacent backup pad 2 install in the edge of foundation ditch 1, be favorable to improving the waterproof nature that this department strutted.

Referring to fig. 2 and 3, the adjacent support plates 2 are provided with connecting grooves 10 for the connection of the connection blocks 6. The adjacent supporting plates 2 are preliminarily installed by inserting the connecting block 6 into the connecting groove 10. A fixing component is arranged between the adjacent supporting plates 2 and used for fixing the connecting block 6. The fixing component comprises a fixing rod 11 which is rotatably connected to the supporting plate 2, and a fixing groove 12 for the fixing rod 11 to be inserted is formed in the connecting block 6. An accommodating groove 13 communicated with the connecting groove 10 is formed in the supporting plate 2 and is used for rotatably inserting the fixing rod 11 into the fixing groove 12. In order to install the fixing rod 11 in the accommodating groove 13, one side of the supporting plate 2 far away from the side wall of the foundation pit 1 is detachably connected with a cover plate 14, and the cover plate 14 is connected with the supporting plate 2 through a bolt. In addition, a control member is arranged on the supporting plate 2 and used for controlling the fixing rod 11 to be rotatably inserted into the fixing groove 12.

Referring to fig. 2 and 3, the control member is a rotating rod 15 disposed in a vertical direction, the rotating rod 15 is rotatably connected in the receiving groove 13, and the top end of the rotating rod 15 extends out of the top of the supporting plate 2. In addition, the rotating lever 15 is connected to the top and bottom walls of the accommodating groove 13 through bearings. A first connecting rod 16 is vertically fixed at one end of the fixing rod 11, and a mounting sleeve 17 is fixed at one end of the first connecting rod 16 far away from the fixing rod 11. The inner wall of the mounting sleeve 17 is provided with an internal thread, and the outer wall of the rotating rod 15 is provided with an external thread corresponding to the internal thread; during installation, the mounting sleeve 17 is screwed onto the swivelling lever 15. At this time, the first connecting rod 16 and the rotating rod 15 are perpendicular to each other, and the rotating rod 15 and the fixed rod 11 are parallel to each other.

Referring to fig. 2 and 3, a stopper is disposed between the rotating rod 15 and the mounting sleeve 17 to limit the first connecting rod 16 from sliding up and down along the axial direction of the rotating rod 15. The limiting member is a plurality of abutting blocks 18 fixed on the rotating rod 15, the abutting blocks 18 are distributed along the axial direction of the rotating rod 15, and two ends of the mounting sleeve 17 abut against the abutting blocks 18 respectively. When the fixing device is installed, the first connecting rod 16 rotates around the rotating rod 15 by rotating the rotating rod 15, so as to drive the fixing rod 11 to be rotatably inserted into the fixing groove 12. In addition, a locking member for fixing the fixing lever 11 is provided on the support plate 2.

Referring to fig. 2 and 3, a fixing block 19 is fixed to the top of the support plate 2 at the connection with the rotating lever 15, and the top end of the rotating lever 15 penetrates through the top of the fixing block 19. The locking piece is a butterfly bolt 20 which is connected with the fixed block 19 in a threaded mode, and the butterfly bolt 20 and the rotating rod 15 are in a mutually perpendicular state. The rotating rod 15 is provided with a first locking groove 21 adapted to the butterfly bolt 20, and the butterfly bolt 20 can be inserted into the first locking groove 21. When the rotating rod 15 is rotated to the position that the fixing rod 11 is inserted into the fixing groove 12, the position of the first locking groove 21 corresponds to the position of the butterfly bolt 20, so that the butterfly bolt 20 is rotated to partially insert the butterfly bolt 20 into the first locking groove 21, the rotating rod 15 is fixed, and the fixing rod 11 is fixed in the fixing groove 12.

The implementation principle of the foundation pit supporting structure in the embodiment of the application is as follows: during installation, the connecting block 6 is inserted into the connecting groove 10, then the rotating rod 15 is rotated to drive the fixing rod 11 to be inserted into the fixing groove 12 in a rotating mode, and the position of the first locking groove 21 corresponds to the position of the butterfly bolt 20; the butterfly bolt 20 is rotated to be partially inserted into the first locking groove 21, the rotary rod 15 is fixed, and the fixing rod 11 is fixed in the fixing groove 12, thereby fixedly connecting the adjacent support plates 2.

Example 2:

referring to fig. 4 and 5, embodiment 2 of the present application differs from embodiment 1 in that: the control piece can also be a rack 22 which is connected into the accommodating groove 13 in an up-and-down sliding mode, and the top of the rack 22 penetrates out of the top of the fixing block 19. The fixing assembly further comprises three gears 23 engaged with the rack 22, the three gears 23 are vertically distributed on the rack 22, and the gears 23 are completely accommodated in the accommodating groove 13. The holding tank 13 is connected with the connecting rod 24 that sets up with the gear 23 with the axle center in the rotation, and connecting rod 24 and gear 23 fixed connection. The connecting rod 24 is connected to the inner wall of the receiving groove 13 through a bearing. The two ends of the connecting rod 24, which are located at the gear 23, are respectively fixed with a second connecting rod 25, and one end of the second connecting rod 25, which is far away from the connecting rod 24, is vertically fixed on the fixing rod 11. During installation, the rack 22 and the gear 23 are engaged for transmission by sliding the rack 22 upwards, so that the connecting rod 24 drives the fixing rod 11 to rotate and be inserted into the fixing groove 12 by taking the connecting rod 24 as a rotation center.

Referring to fig. 4 and 5, the rack 22 is provided with a second locking groove 26 for the butterfly bolt 20 to be inserted. When the rack 22 slides upwards until the fixing rod 11 is inserted into the fixing groove 12, the second locking groove 26 corresponds to the butterfly bolt 20, and the butterfly bolt 20 can be rotated to partially insert into the second locking groove 26, so as to fix the rack 22, and thus the fixing rod 11 is fixed.

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. The utility model provides a foundation ditch supporting construction, includes backup pad (2) of butt on foundation ditch (1) lateral wall, is used for supporting backup pad (2) tightly installing mounting panel (5) on the pithead, its characterized in that: one side of each supporting plate (2) is connected with a connecting block (6) in a sliding mode, and a connecting groove (10) for the connecting block (6) to be inserted is formed in each adjacent supporting plate (2); a fixing component for fixing the connecting block (6) is arranged between the adjacent supporting plates (2), the fixing component comprises a fixing rod (11) which is rotatably connected to the adjacent supporting plates (2), a fixing groove (12) for the fixing rod (11) to be rotatably inserted is formed in the connecting block (6), an accommodating groove (13) for the fixing rod (11) to rotate is formed in the adjacent supporting plates (2), and the accommodating groove (13) is communicated with the connecting groove (10); the supporting plate (2) is provided with a control piece for controlling the fixing rod (11) to be rotationally inserted into the fixing groove (12), and the supporting plate (2) is provided with a locking piece for locking the fixing rod (11).

2. A foundation pit supporting construction according to claim 1, wherein: the supporting plate (2) is positioned at the accommodating groove (13) and is detachably connected with a cover plate (14).

3. A foundation pit supporting construction according to claim 2, wherein: the supporting plate (2) is provided with an installation cylinder (7) which completely contains the connecting block (6), and the connecting block (6) is connected in the installation cylinder (7) in a sliding manner; install spring (8) that are used for promoting connecting block (6) part roll-off installation section of thick bamboo (7) in installation section of thick bamboo (7), the one end butt of spring (8) is on the inner wall of installation section of thick bamboo (7), and the other end butt of spring (8) is on connecting block (6).

4. A foundation pit supporting construction according to claim 3, wherein: be provided with between connecting block (6) and the installation section of thick bamboo (7) and be used for blockking that connecting block (6) break away from spacing subassembly (9) of installation section of thick bamboo (7), spacing subassembly (9) are including setting up stopper (911) on connecting block (6), setting up dog (912) on installation section of thick bamboo (7) inner wall, stopper (911) and dog (912) looks butt.

5. A foundation pit supporting construction according to claim 4, wherein: the control piece is a rotating rod (15) which is rotatably connected in the accommodating groove (13) along the vertical direction, and one end of the rotating rod (15) extends out of the top of the supporting plate (2); the one end of dead lever (11) is provided with head rod (16) perpendicularly, the one end threaded connection who keeps away from dead lever (11) in head rod (16) is on dwang (15), be provided with between dwang (15) and head rod (16) and be used for restricting the locating part that head rod (16) slided from top to bottom.

6. A foundation pit supporting construction according to claim 5, wherein: the locating part is for being fixed in butt joint piece (18) on dwang (15), butt joint piece (18) have a plurality ofly and along the axial distribution of dwang (15), butt joint piece (18) and head rod (16) looks butt.

7. A foundation pit supporting construction according to claim 5, wherein: a fixed block (19) is arranged at the top of the supporting plate (2), and the locking piece is a butterfly bolt (20) in threaded connection with the fixed block (19); when the rotating rod (15) rotates to the fixed rod (11) to be inserted into the fixed groove (12), the rotating rod (15) is provided with a first locking groove (21) for inserting the butterfly bolt (20).

8. A foundation pit supporting construction according to claim 7, wherein: the control piece is a rack (22) which is connected into the accommodating groove (13) in a vertical sliding mode, and the operating end of the rack (22) is located at the top of the supporting plate (2); fixed subassembly is including meshing gear (23) on rack (22), gear (23) hold in holding tank (13) completely, holding tank (13) internal rotation is connected with connecting rod (24) with the axle center setting of gear (23), connecting rod (24) and gear (23) fixed connection, the one end of dead lever (11) is provided with second connecting rod (25) perpendicularly, second connecting rod (25) are connected with dead lever (11).

9. A foundation pit supporting construction according to claim 8, wherein: and a second locking groove (26) for the butterfly bolt (20) to be inserted is formed in the rack (22), and when the rack (22) slides to the fixing rod (11) to be inserted into the fixing groove (12), the second locking groove (26) corresponds to the butterfly bolt (20).