CN214783975U

CN214783975U - Retaining structure for foundation pit

Info

Publication number: CN214783975U
Application number: CN202120187835.8U
Authority: CN
Inventors: 王立海; 陈宇; 鲍岩; 马淳; 李文军
Original assignee: Beijing Tengyuxiang Construction Engineering Co ltd
Current assignee: Beijing Tengyuxiang Construction Engineering Co ltd
Priority date: 2021-01-23
Filing date: 2021-01-23
Publication date: 2021-11-19
Anticipated expiration: 2031-01-23

Abstract

The application relates to the field of foundation pit structures, in particular to a soil retaining structure for a foundation pit, which comprises a supporting and protecting plate and a foundation slab hinged with the supporting and protecting plate, wherein the supporting and protecting plate is abutted against the side wall of the foundation pit, and the foundation slab is laid at the bottom of the foundation pit; a supporting component is arranged between the supporting and protecting plate and the ground substrate, one end of the supporting component is fixed on the ground substrate, and the other end of the supporting component is fixed on the supporting and protecting plate to fix the supporting and protecting plate. This application has the effect that promotes the stability of retaining soil and strutting to the foundation ditch lateral wall.

Description

Retaining structure for foundation pit

Technical Field

The application relates to the field of foundation ditch structure, especially relate to a foundation ditch soil retaining structure.

Background

In the foundation ditch work progress, need use supporting construction to support the lateral wall of foundation ditch, in order to keep the stability of foundation ditch, reduce the phenomenon that the lateral wall of foundation ditch appears collapsing, the supporting construction of the foundation ditch that uses at present generally places a backplate on the lateral wall of foundation ditch, prop the backplate and paste with the lateral wall of foundation ditch, be fixed with the bracing piece on propping the backplate, the tip butt of bracing piece is in the bottom of foundation ditch bottom, make prop the backplate and paste tightly with the lateral wall of foundation ditch, strut the lateral wall of foundation ditch, can be comparatively convenient the completion to the strutting of foundation ditch.

With respect to the related art in the above, the inventors found that: the bottom of foundation ditch is generally for soil property basic unit, and the tip butt of bracing piece is in the foundation ditch bottom, and the tip that can appear the bracing piece inserts in soil or takes place the problem that slides, and the stability of strutting to the foundation ditch lateral wall produces the influence.

SUMMERY OF THE UTILITY MODEL

In order to promote the stability of strutting the foundation ditch, this application provides a retaining structure for foundation ditch.

The application provides a pair of retaining structure for foundation ditch adopts following technical scheme:

a retaining structure for a foundation pit comprises a supporting and protecting plate and a foundation slab hinged with the supporting and protecting plate, wherein the supporting and protecting plate is abutted against the side wall of the foundation pit, and the foundation slab is laid at the bottom of the foundation pit; a supporting component is arranged between the supporting and protecting plate and the ground substrate, one end of the supporting component is fixed on the ground substrate, and the other end of the supporting component is fixed on the supporting and protecting plate to fix the supporting and protecting plate.

By adopting the technical scheme, when the soil retaining support is carried out on the side wall of the foundation pit, the two ends of the supporting component are respectively fixed on the ground substrate and the supporting plate after the ground substrate and the supporting plate are adjusted to the preset positions, so that the problem that the supporting component is abutted to the ground to slide is solved, the fixing stability of the supporting plate is improved, and the support on the side wall of the foundation pit is more stable; in addition, the foundation slab is hinged to the supporting plate, and under the condition that the side wall of the foundation pit inclines, the supporting plate can be conveniently adjusted to be attached to the side wall of the foundation pit, so that the applicability of the retaining structure is improved.

Optionally, the support assembly includes a support member and a connection plate hinged at two ends of the support member, a fixing block for fixing the connection plate is arranged on the upper side surface of the ground substrate, and a groove for embedding the connection plate is formed in the fixing block; a limiting block for limiting and fixing the connecting plate at the upper end of the supporting piece is fixed on the supporting and protecting plate; the connecting plate is provided with a fixing bolt used for fixing the connecting plate on the ground substrate and the supporting plate in a matching way.

Through adopting above-mentioned technical scheme, when fixing connecting plate and groundsill, insert the connecting plate in the recess that corresponds, and use fixing bolt to fix can, later fix the connecting plate of upper end on a backplate and correspond position department, it is comparatively convenient to install, and be connected through the fixed block between connecting plate and the supporting plate, the lifting surface area of increase connecting plate, promote the stability that connecting plate and groundsill are connected, reduce the phenomenon that the damage appears in the hookup location department of connecting plate and groundsill, promote the stability that the backplate was kept off the soil and is strutted to the foundation ditch lateral wall.

Optionally, the support is adjustable in length; the supporting and protecting plate is fixedly connected with a plurality of limiting plates, and every two limiting plates form a group; the cross-section of limiting plate is L shape, and the connecting plate is located between two limiting plates, offers the caulking groove that supplies the connecting plate embedding on the stopper.

Through adopting above-mentioned technical scheme, when fixing the connecting plate to support piece upper end, insert two limiting plates with the connecting plate from the lower extreme of limiting plate between, later adjust support piece's length for during the connecting plate upwards slides and imbeds the caulking groove, make supporting component newspaper in stable position, when accomplishing the position adjustment back to the connecting plate and fix, do not need supplementary the support of other staff, promoted the convenience of operation.

Optionally, the support member includes two spliced poles and a connecting sleeve arranged between the two spliced poles, a connecting screw rod is fixedly connected to the end portion of the spliced pole, the connecting screw rod is inserted into the connecting sleeve, and the connecting screw rod is in threaded fit with the connecting sleeve.

Through adopting above-mentioned technical scheme, when adjusting support piece's length, the downside connecting plate inlays in the recess, and the connecting plate of upside is located between two limiting plates, can realize the adjustment to support piece whole length through rotating the connecting sleeve, and it is comparatively convenient to operate, and can be comparatively convenient fix support piece holistic length.

Optionally, an operating rod for driving the connecting sleeve to rotate is arranged on the connecting sleeve; the connecting sleeve is provided with an inserting sleeve, and the operating rod is connected in the inserting sleeve in a sliding manner; the end of the operating rod is connected to the supporting and protecting plate.

Through adopting above-mentioned technical scheme, when rotating connecting sleeve, the operation is more laborsaving and convenient, promotes the convenience of operation, and after the completion is to the adjustment of support piece's length, with the end connection of action bars position department that corresponds on a backplate, pivoted phenomenon can reduce connecting sleeve and appear, promotes the fixed stability of supporting component to the supporting plate.

Optionally, the insertion sleeve is rotatably connected to the connection sleeve, and a rotation axis of the insertion sleeve is perpendicular to an axis of the connection sleeve; the supporting plate is rotatably connected with a connecting block, and the operating rod is in threaded connection with the connecting block.

Through adopting above-mentioned technical scheme, when the angle between supporting plate and the butt board is different, rotate grafting sleeve and connecting block, can be comparatively convenient make the action bars relative with the connecting block, and then connect the action bars on the connecting block, promote the suitability of this structure.

Optionally, the end parts of the two ends of the operating rod are both in threaded connection with a holding part, and the sectional size of the holding part is larger than that of the inner ring of the insertion sleeve; one end of the holding part far away from the operating rod is fixedly connected with a connecting part, and the connecting part is in threaded connection with the connecting block.

Through adopting above-mentioned technical scheme, when rotating connecting sleeve through the action bars, it is more comfortable to grip in the portion of gripping, and carries on spacingly through the portion of gripping, can reduce the phenomenon of slippage of action bars from grafting sleeve, promotes the stability that the action bars is connected in grafting sleeve.

Optionally, the ground substrate is provided with a plurality of fixing anchor rods in a matching manner.

Through adopting above-mentioned technical scheme, promote the stability that the groundsill laid subaerial, reduce the phenomenon that the groundsill takes place to slide subaerial, promote this retaining structure and carry out the stability that keeps off soil and strut to the foundation ditch lateral wall.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the supporting plate is fixed by the supporting component through the arranged ground substrate and the supporting plate, so that the phenomenon that the supporting component is abutted to the ground to slide can be reduced, the stability of soil retaining and supporting for the side wall of the foundation pit is improved, meanwhile, the supporting plate is hinged with the supporting plate, the supporting plate can be conveniently adjusted to be in a state of a box body of the side wall of the foundation pit under the condition that the side wall of the foundation pit is inclined, and the applicability of the soil retaining structure is improved;

2. through the arranged supporting assembly, the installation operation is convenient, when the connecting rod is fixed after the position adjustment of the connecting plate and the supporting piece is completed, no additional worker is needed for auxiliary support, the convenience of the installation operation is improved, the stress area of the connecting plate is increased, the phenomenon that the connecting position of the connecting plate is damaged is reduced, and the stability of earth retaining and supporting on the side wall of the foundation pit is improved;

3. through the action bars that sets up for it is more laborsaving and convenient to rotate connecting sleeve, accomplishes the adjustment back to support piece's length, and the action bars passes through connecting portion threaded connection on the connecting block, fixes connecting sleeve, reduces connecting sleeve and takes place pivoted phenomenon, promotes the stability fixed to the supporting plate, and is more stable to retaining soil, the effect of strutting of foundation ditch lateral wall promptly.

Drawings

Fig. 1 is a schematic view of a soil guard structure of an embodiment of the present application;

FIG. 2 is a schematic view illustrating a structure in which a support is connected to a ground plate;

FIG. 3 is a schematic view showing a structure in which the supporting member is coupled to the supporting plate;

fig. 4 is a schematic structural view of the support assembly.

Description of reference numerals: 1. supporting the guard plate; 11. a limiting block; 111. caulking grooves; 12. a limiting plate; 13. connecting blocks; 2. a ground substrate; 21. fixing an anchor rod; 22. a fixed block; 221. a groove; 3. a support assembly; 31. a support member; 311. connecting columns; 312. a connecting sleeve; 313. connecting a screw rod; 314. inserting a sleeve; 315. an operating lever; 316. a grip portion; 317. a connecting portion; 32. a connecting plate; 321. and (5) fixing the bolt.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses retaining structure for foundation ditch. Referring to fig. 1, the retaining structure for the foundation pit comprises a supporting and protecting plate 1 abutted against the side wall of the foundation pit, a ground substrate 2 hinged to the supporting and protecting plate 1 and abutted against the ground at the bottom of the foundation pit, and a supporting assembly 3 arranged between the ground substrate 2 and the supporting and protecting plate 1; a plurality of fixing anchor rods 21 are arranged on the ground base plate 2 in a matching way, and the fixing anchor rods 21 are inserted into the ground to fix the ground base plate 2; the two ends of the supporting component 3 are respectively fixed at the corresponding positions on the ground substrate 2 and the supporting plate 1, and the ground substrate 2 and the supporting plate 1 are fixed.

When a foundation pit needs to be supported, the ground substrate 2 and the supporting and protecting plate 1 are placed at corresponding positions, the supporting and protecting plate 1 is abutted against the side wall of the foundation pit, the ground substrate 2 is fixed on the ground at the bottom of the foundation pit by using the fixing anchor rods 21, then two ends of the supporting component 3 are respectively fixed at corresponding positions on the ground substrate 2 and the supporting and protecting plate 1, and the two are fixed, so that the foundation pit can be conveniently supported, the supporting on the ground at the bottom of the foundation pit is more stable, the phenomenon that the lower end of the supporting component 3 slides on the ground is reduced, and the stability of the foundation pit supporting is improved; and the foundation slab 2 is articulated with a supporting guard plate 1, and under the state that the lateral wall of the foundation pit inclines, the supporting guard plate 1 can be adjusted conveniently to be in the state of being attached to the lateral wall of the foundation pit, so that the applicability of the retaining structure is improved.

Referring to fig. 1 and 2, the supporting assembly 3 includes a supporting member 31 with adjustable length and connecting plates 32 hinged at two ends of the supporting member 31, and fixing bolts 321 for fixing the connecting plates 32 on the ground base plate 2 and the supporting plate 1 are cooperatively arranged on the connecting plates 32; the ground substrate 2 is fixed with a fixing block 22 for fixing the connecting plate 32, the side of the fixing block 22 facing the supporting plate 1 is provided with a groove 221 for embedding the connecting plate 32, when the supporting component 3 is installed, the connecting plate 32 is inserted into the corresponding groove 221 and fixed by using a fixing bolt 321; the angle of the support member 31 is adjusted so that the connection plate 32 at the upper end of the support member 31 abuts against the backup plate 1.

Referring to fig. 1 and 3, the support guard plate 1 is provided with two limit blocks 11 for fixing the connecting plate 32, the lower side of each limit block 11 is provided with two limit plates 12, the cross section of each limit plate 12 is L-shaped, the two corresponding limit plates 12 are arranged oppositely, the connecting plate 32 is embedded between the two limit plates 12, and the connecting plate 32 can slide relatively to the limit plates 12; the lower side of the limiting block 11 is provided with an embedded groove 111 for embedding the connecting plate 32; in fixing the connection plate 32 at the upper end of the support 31, the connection plate 32 is adjusted to the lower end position of the limit plate 12, the length of the support 31 is adjusted so that the connection plate 32 slides up to the position inserted into the caulking groove 111, and the connection plate 32 is fixed using the fixing bolt 321.

When the supporting component 3 is installed, the two connecting plates 32 are respectively adjusted to corresponding positions, and then are fixed by the fixing bolts 321, so that the convenience of fixing operation is improved, and additional workers do not need to support the supporting component independently during installation; when the side wall of the foundation pit is supported, the connecting plate 32 on the lower side is abutted to the side wall of the groove 221, the stress area is increased, the shearing force applied to the fixing bolt 321 is reduced, the phenomenon that the fixing bolt 321 is damaged due to thread fit is reduced, the fixing bolt 321 is assembled and disassembled in a follow-up mode in a labor-saving and convenient mode, the fixing bolt 321 is not prone to being damaged due to too large stress and deformation, and the stability of foundation pit support is improved.

Referring to fig. 1 and 4, the supporting member 31 includes two connecting columns 311 and a connecting sleeve 312 disposed between the two connecting columns 311, and the two connecting plates 32 are respectively hinged to the end portions of the two connecting columns 311 away from each other; the opposite ends of the two connecting columns 311 are fixedly connected with connecting screw rods 313, and the two connecting screw rods 313 are in threaded connection with a connecting sleeve 312; after the connecting plate 32 is fixed on the ground base plate 2 and the supporting plate 1, the length of the whole supporting member 31 is adjusted by rotating the connecting sleeve 312, so that the operation is convenient.

In order to make the operation of rotating the connection sleeve 312 to adjust the overall length of the support member 31 more labor-saving and convenient, referring to fig. 1 and 4, an insertion sleeve 314 is hinged on the connection sleeve 312, and the rotation axis of the insertion sleeve 314 is perpendicular to the axis of the connection sleeve 312; the operating rod 315 is slidably connected in the plug sleeve 314, two ends of the operating rod 315 are respectively in threaded connection with the holding portions 316, the size of the cross section of each holding portion 316 is larger than that of the cross section of the inner ring of the plug sleeve 314, after the operating rod 315 is inserted into the plug sleeve 314, the operating rod 315 is limited through the holding portions 316 at the two ends, the phenomenon that the operating rod 315 slips from the plug sleeve 314 is reduced, and the holding is more comfortable when the connecting sleeve 312 is rotated through the operating rod 315.

Referring to fig. 1 and 4, the end parts of the two holding parts 316 are respectively fixed with a connecting part 317, the corresponding position on the supporting plate 1 is hinged with a connecting block 13, the hinged shaft of the connecting block 13 is positioned in the horizontal direction, and the hinged shaft and the supporting plate 1 are positioned in the same plane; the connecting part 317 is in threaded connection with the connecting block 13; after the two connecting plates 32 are fixed, the position of the operating rod 315 is adjusted, so that the connecting part 317 is in threaded connection with the connecting block 13, the connecting sleeve 312 is reinforced, the phenomenon that the connecting sleeve 312 rotates is reduced, and the stability of the support component 3 in fixing the ground substrate 2 and the supporting plate 1 is improved; when the position of the connecting plate 32 is adjusted and fixed, the connecting sleeve 312 can be rotated to enable the connecting portion 317 to be aligned with the connecting block 13 conveniently, the connecting portion 317 is arranged on each of the two holding portions 316, the connecting sleeve 312 can be adjusted by continuously rotating the connecting sleeve 312 when the connecting portion 317 is not aligned with the connecting block 13 completely, the maximum angle of the rotating connecting sleeve 312 is 90 degrees through subsequent adjustment operation, the connecting plate 32 has minimum displacement, and the connecting plate 32 can be kept to be located at the corresponding position on the support plate 1.

The implementation principle of the retaining structure for the foundation pit of the embodiment of the application is as follows: when the soil retaining support is carried out on the side wall of the foundation pit, the ground substrate 2 and the supporting plate 1 are placed at the corresponding positions of the side wall of the foundation pit, then the ground substrate 2 is fixed by using the fixing anchor rods 21, and the ground substrate 2 and the supporting plate 1 are fixed by using the supporting component 3, so that the soil retaining support on the side wall of the foundation pit can be conveniently realized, the problem that the lower side of the supporting component 3 is abutted to the ground to slide is solved, and the stability of the soil retaining support on the side wall of the foundation pit is improved; when the supporting component 3 is installed, the connecting plates 32 at the two ends can be conveniently adjusted to the corresponding positions, the operation is convenient when the supporting component is fixed, the problem that the connecting positions of the connecting plates 32 are not easy to damage is solved, and the stability of fixing the supporting plate 1 is further improved; through the action bars 315 that set up, it is more laborsaving and convenient to rotate connecting sleeve 312, after predetermined length when the length adjustment with support piece 31, through connecting portion 317 and connecting block 13 threaded connection, can be comparatively convenient consolidate connecting sleeve 312, promote to carry out the stability fixed to backplate 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. The utility model provides a soil retaining structure for foundation ditch which characterized in that: the foundation pit supporting structure comprises a supporting and protecting plate (1) and a foundation slab (2) hinged with the supporting and protecting plate (1), wherein the supporting and protecting plate (1) is abutted against the side wall of a foundation pit, and the foundation slab (2) is laid at the bottom of the foundation pit; a supporting component (3) is arranged between the supporting plate (1) and the ground substrate (2), one end of the supporting component (3) is fixed on the ground substrate (2), and the other end of the supporting component is fixed on the supporting plate (1) to fix the supporting plate (1).

2. A soil retaining structure for foundation pit according to claim 1, wherein: the supporting component (3) comprises a supporting piece (31) and connecting plates (32) hinged to two ends of the supporting piece (31), a fixing block (22) used for fixing the connecting plates (32) is arranged on the upper side face of the ground substrate (2), and a groove (221) for embedding the connecting plates (32) is formed in the fixing block (22); a limiting block (11) for limiting and fixing a connecting plate (32) at the upper end of the supporting piece (31) is fixed on the supporting and protecting plate (1); the connecting plate (32) is provided with a fixing bolt (321) which is used for fixing the connecting plate (32) on the ground substrate (2) and the supporting and protecting plate (1) in a matching way.

3. A soil retaining structure for foundation pit according to claim 2, wherein: the support (31) is adjustable in length; the supporting and protecting plate (1) is fixedly connected with a plurality of limiting plates (12), and each two limiting plates (12) form a group; the cross section of the limiting plate (12) is L-shaped, the connecting plate (32) is positioned between the two limiting plates (12), and the limiting block (11) is provided with an embedded groove (111) for the connecting plate (32) to be embedded into.

4. A soil retaining structure for foundation pit according to claim 3, wherein: support piece (31) include two spliced poles (311) and set up connecting sleeve (312) between two spliced poles (311), and spliced pole (311) tip rigid coupling has connecting screw (313), and connecting screw (313) insert in connecting sleeve (312), and connecting screw (313) and connecting sleeve (312) screw-thread fit.

5. A soil retaining structure for foundation pit according to claim 4, wherein: the connecting sleeve (312) is provided with an operating rod (315) for driving the connecting sleeve (312) to rotate; the connecting sleeve (312) is provided with an inserting sleeve (314), and the operating rod (315) is connected in the inserting sleeve (314) in a sliding manner; the end of the operating rod (315) is connected to the support guard plate (1).

6. A soil retaining structure for foundation pit according to claim 5, wherein: the plug-in sleeve (314) is rotatably connected to the connecting sleeve (312), and the rotating axis of the plug-in sleeve (314) is vertical to the axis of the connecting sleeve (312); the supporting plate (1) is rotatably connected with a connecting block (13), and the operating rod (315) is in threaded connection with the connecting block (13).

7. A soil retaining structure for foundation pit according to claim 5, wherein: the two end parts of the operating rod (315) are respectively in threaded connection with a holding part (316), and the section size of the holding part (316) is larger than that of the inner ring of the plug-in sleeve (314); one end of the holding part (316) far away from the operating rod (315) is fixedly connected with a connecting part (317), and the connecting part (317) is in threaded connection with the connecting block (13).

8. A soil retaining structure for foundation pit according to claim 1, wherein: the ground substrate (2) is provided with a plurality of fixed anchor rods (21) in a matching manner.