Foundation pit supporting structure

Abstract

The utility model relates to the technical field of foundation pits, and discloses a foundation pit supporting structure which comprises a supporting plate and a water collecting plate horizontally arranged at the lower end of the side, abutting against the side wall of a foundation pit, of the supporting plate in the length direction of the supporting plate, supporting rods are installed on the two sides of the middle of the supporting plate respectively, and the two ends of each supporting rod are movably connected with fixing assemblies respectively. The protection assemblies are arranged on the two sides of the upper end of the fixing assembly correspondingly, an operator is provided with corresponding anchor holes in the upper end of the supporting plate in advance, when the square bottom plate is fixed, an anchor rod is inserted into an inner cavity of a hollow round block, the anchor rod is moved to directly drive the hollow round block to be installed in an inner cavity of a square groove in a sliding mode, and the supporting plate is fixed. The lower end of the anchor rod can be correspondingly installed in an anchor hole inner cavity formed in the upper end of the supporting plate, through the arrangement, after the anchor hole in the upper end of the supporting plate and the anchor hole in the upper end of the square bottom plate are deviated, the anchor rod can still be fixed by moving the hollow round block, hole forming does not need to be conducted again, and use is convenient and fast.

Description

TECHNICAL FIELD

[0001] The utility model relates to a foundation pit technical field, concretely is a foundation pit support structure. BACKGROUND

[0002] The foundation pit is the earth pit that is excavated according to the foundation design position, base elevation and foundation plane size, when building, the excavated position needs to be surveyed first, then the groundwater type and the depth of excavation are judged according to the result of geotechnical survey, support and dewatering measures are carried out around the excavated foundation pit, and the dewatering design adopts tube well dewatering.

[0003] The foundation pit support is the measure of temporary retaining, reinforcing, protecting and groundwater control for protecting the safety of underground main structure construction and the environment around the foundation pit.

[0004] Such as the application number for CN202222756907.3 a foundation pit support structure, including support plate, support block, telescopic support rod, support block is hinged in the top of telescopic support rod, the side away from the foundation pit side wall of support plate is provided with the support groove for the support block embedding joint, and the bottom of telescopic support rod is hinged with the base for resisting the bottom wall of foundation pit, by setting up the foundation pit support structure of working stable and convenient construction, effectively improve the construction efficiency of foundation pit support construction.

[0005] The above patent completes the support of both ends of the support plate through the telescopic support rod, wherein the both ends of the telescopic support rod are respectively hinged with the base, and the base at both ends of the telescopic support rod is fixed through the anchor rod and the support plate, wherein the anchor rod needs to be accurately opened in the anchor hole corresponding to the base on the upper end of the support plate when installing, if the anchor hole opened on the upper end of the support plate deviates, it needs to be re-drilled, which is more troublesome.

[0006] Therefore, we propose a foundation pit support structure to solve the above problems. UTILITY MODEL CONTENTS

[0007] The utility model aims at providing a foundation pit support structure to solve the problem that the anchor rod needs to be accurately opened in the anchor hole corresponding to the base on the upper end of the support plate when installing, if the anchor hole opened on the upper end of the support plate deviates, it needs to be re-drilled, which is more troublesome.

[0008] To achieve the above object, the utility model provides the following technical scheme: a foundation pit support structure, including the support board and the support board with the lower end of one side along its length direction horizontal arrangement of the water collecting plate which is in abutment with the side wall of foundation pit, the lower end of one side of support board is away from the side wall of foundation pit along its length direction horizontal arrangement has the water collecting groove, the water collecting groove is located below the water collecting plate, a row of drainage holes for connecting the water collecting plate and the water collecting groove is evenly arranged on the support board along its length direction, the both sides of the middle part of support board are respectively installed with support rod, the both ends of support rod are respectively movably connected with fixed assembly, the both ends of support rod and the both ends of support board are fixed by the setting of fixed assembly, the both sides of the upper end of fixed assembly are respectively provided with protection assembly;

[0009] The fixed assembly includes a square bottom plate and an H-shaped connecting rod fixedly installed on the upper middle part of the square bottom plate, and a moving mechanism is movably installed at the upper four corners of the square bottom plate.

[0010] Preferably, square grooves are formed at the upper four corners of the square bottom plate, and sliding grooves are formed in the inner walls of the square grooves.

[0011] Preferably, the moving mechanism includes a hollow circular block and insertion rods fixedly installed around the outer walls of the hollow circular block.

[0012] Preferably, the protection assembly includes a shielding mechanism and a pressing mechanism movably installed on the inner walls of the shielding mechanism.

[0013] Preferably, the shielding mechanism includes an open long block and a circular groove formed in the inner walls of the open long block, an elastic element is fixedly installed in the inner cavity of the circular groove, and a sealing strip is fixedly installed on the upper end of one side of the open long block.

[0014] Preferably, the pressing mechanism includes an inclined angle plate and an antiskid rubber layer embedded on one side of the outer wall of the inclined angle plate.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] 1. By inserting the anchor rod into the inner cavity of the hollow circular block, moving the anchor rod directly drives the hollow circular block to be slidingly installed in the inner cavity of the square groove, so that the lower end of the anchor rod can be correspondingly installed in the inner cavity of the anchor hole formed in the upper end of the support board, which can still fix the anchor rod by moving the hollow circular block even if the anchor hole in the upper end of the support board and the anchor hole in the upper end of the square bottom plate are misaligned, without the need to re-drill holes, and is convenient to use.

[0017] 2, the opening long block is driven the two sides of the inner wall of the bevel plate, is inserted from the upper end of the two sides of the square bottom plate respectively, so that the bevel plate is automatically clamped on the two sides of the outer wall of the square bottom plate under the elastic force of the elastic element, thereby completing the installation of the opening long block, since the upper end of the square bottom plate is provided with an anchor rod and a hollow round block, the opening long block is further shielded on the upper end of the anchor rod and the hollow round block, thereby reducing the rusting of the upper end of the anchor rod due to water ingress, and the disassembly is not convenient. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the overall three-dimensional structure schematic diagram of the utility model;

[0019] Figure 2 It is the fixed assembly three-dimensional structure schematic diagram of the utility model;

[0020] Figure 3 It is the Figure 2 It is the A place enlarged view of the utility model;

[0021] Figure 4 It is the protection assembly three-dimensional structure schematic diagram of the utility model.

[0022] In the drawing: 1, support plate; 2, water collecting plate; 3, water collecting groove; 4, drainage hole; 5, support rod; 6, fixed assembly; 61, square bottom plate; 611, square groove; 612, sliding groove; 62, H-shaped connecting rod; 63, moving mechanism; 631, hollow round block; 632, insertion rod; 7, protection assembly; 71, shielding mechanism; 711, opening long block; 712, round groove; 713, elastic element; 714, sealing strip; 72, extrusion mechanism; 721, bevel plate; 722, antiskid rubber layer. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] Embodiment one: please refer to Figures 1-3The utility model provides a kind of foundation pit support structure, including support plate 1 and support plate 1 with the side wall of foundation pit and the side lower end of the side wall of foundation pit along its length direction horizontally arranged water collecting plate 2, support plate 1 is away from the side wall of foundation pit and the side lower end along its length direction horizontally arranged water collecting groove 3, water collecting groove 3 is below water collecting plate 2, a row of drainage holes 4 for connecting water collecting plate 2 and water collecting groove 3 is evenly arranged on support plate 1 along its length direction, support plate 1 is respectively equipped with support rod 5 in the middle of two sides, the both ends of support rod 5 are movably connected with fixed assembly 6, the both ends of support rod 5 and the both ends of support plate 1 are fixed by the setting of fixed assembly 6, and the both sides of the upper end of fixed assembly 6 are respectively provided with protection assembly 7.

[0025] Fixed assembly 6 includes square base plate 61 and H-shaped connecting rod 62 fixedly installed on the upper end of square base plate 61, and mobile mechanism 63 is movably installed on the upper end of square base plate 61, respectively.

[0026] Square groove 611 is formed in the upper end of square base plate 61, and sliding groove 612 is formed in the inner wall of square groove 611.

[0027] Mobile mechanism 63 includes hollow round block 631 and insertion rod 632 fixedly installed on the outer wall of hollow round block 631, and hollow round block 631 is movably installed in the inner cavity of square groove 611.

[0028] Wherein insertion rod 632 is arranged to support hollow round block 631 to move, and the anchor rod is inserted and installed in the inner cavity of hollow round block 631.

[0029] In the embodiment, the operator opens corresponding anchor hole in the upper end of support plate 1 in advance, when fixing square base plate 61, the anchor rod is inserted into the inner cavity of hollow round block 631, and the hollow round block 631 is slidably installed in the inner cavity of square groove 611 by moving the anchor rod, so that the lower end of the anchor rod is correspondingly installed in the inner cavity of the anchor hole opened in the upper end of support plate 1, which can realize the fixation of the anchor rod by moving hollow round block 631 even if the anchor hole in the upper end of support plate 1 and the anchor hole in the upper end of square base plate 61 are deviated, without the need to reopen the hole, and is convenient to use.

[0030] Embodiment two: the embodiment is improved on the basis of embodiment one, and specifically, please refer to Figure 4 Protection assembly 7 includes shielding mechanism 71 and extrusion mechanism 72 movably installed on the inner wall of shielding mechanism 71, and shielding mechanism 71 is installed on the both sides of the upper end of square base plate 61 by the arrangement of extrusion mechanism 72.

[0031] The shielding mechanism 71 comprises an open long block 711 and a circular groove 712 provided on both sides of the inner wall of the open long block 711, a plurality of circular grooves 712 are provided, an elastic element 713 is fixedly installed in the inner cavity of the circular groove 712, and a sealing strip 714 is fixedly installed on the upper end of one side of the open long block 711. The circular groove 712 is arranged to limit and fix one end of the elastic element 713.

[0032] The extrusion mechanism 72 comprises an inclined angle plate 721 and an anti-skid rubber layer 722 inlaid on one side of the outer wall of the inclined angle plate 721, and the inclined angle of the lower end of the inclined angle plate 721 is arranged to guide the inclined angle plate 721 to be inserted into the outer wall of the square bottom plate 61 under inertia, and the anti-skid rubber layer 722 is arranged to improve the stability of the contact between the inclined angle plate 721 and the outer wall of the square bottom plate 61.

[0033] In this embodiment: after the square bottom plate 61 and the supporting plate 1 are fixed by the anchor rod, the open long block 711 and the inclined angle plate 721 on both sides of the inner wall of the open long block 711 are inserted from both sides of the upper end of the square bottom plate 61 respectively, so that the inclined angle plate 721 is automatically clamped on both sides of the outer wall of the square bottom plate 61 under the elastic force of the elastic element 713, thereby completing the installation of the open long block 711, and at the same time, the sealing strip 714 on the upper end of one side of the open long block 711 is pressed against both sides of the upper end of the square bottom plate 61, thereby improving the sealing performance of the open long block 711 in shielding both sides of the upper end of the square bottom plate 61. Since the upper end of both sides of the square bottom plate 61 is provided with the anchor rod and the hollow circular block 631, the open long block 711 shields the upper end of the anchor rod and the hollow circular block 631, thereby reducing the corrosion of the upper end of the anchor rod due to water ingress and facilitating disassembly.

[0034] Working principle: the operator opens corresponding anchor holes on the upper end of the supporting plate 1 in advance, when the square bottom plate 61 is fixed, the anchor rod is inserted into the inner cavity of the hollow circular block 631, and the hollow circular block 631 is slidably installed in the inner cavity of the square groove 611 by moving the anchor rod, so that the lower end of the anchor rod is correspondingly installed in the inner cavity of the anchor hole opened on the upper end of the supporting plate 1, after the square bottom plate 61 and the supporting plate 1 are fixed by the anchor rod, the open long block 711 and the inclined angle plate 721 on both sides of the inner wall of the open long block 711 are inserted from both sides of the upper end of the square bottom plate 61, so that the inclined angle plate 721 is automatically clamped on both sides of the outer wall of the square bottom plate 61 under the elastic force of the elastic element 713, thereby completing the installation of the open long block 711, and at the same time, the sealing strip 714 on the upper end of one side of the open long block 711 is pressed against both sides of the upper end of the square bottom plate 61, thereby improving the sealing performance of the open long block 711 in shielding both sides of the upper end of the square bottom plate 61. Since the upper end of both sides of the square bottom plate 61 is provided with the anchor rod and the hollow circular block 631, the open long block 711 shields the upper end of the anchor rod and the hollow circular block 631.

[0035] The contents not described in detail in the specification belong to the prior art known to those skilled in the art.

[0036] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A foundation pit support structure, comprising a support plate (1) and a water collection plate (2) horizontally arranged along its length at the lower end of the side of the support plate (1) that abuts against the side wall of the foundation pit, and a water collection trough (3) horizontally arranged along its length at the lower end of the side of the support plate (1) that is away from the side wall of the foundation pit, the water collection trough (3) being located below the water collection plate (2), and a row of drainage holes (4) uniformly arranged along its length on the support plate (1) for connecting the water collection plate (2) and the water collection trough (3), characterized in that: Support rods (5) are installed on both sides of the middle part of the support plate (1). Fixing components (6) are movably connected to both ends of the support rods (5). The fixing components (6) are set to fix both ends of the support rods (5) and both ends of the support plate (1). Protective components (7) are set on both sides of the upper end of the fixing components (6). The fixing component (6) includes a square base plate (61) and an H-shaped connecting rod (62) fixedly installed in the middle of the upper end of the square base plate (61). The four corners of the upper end of the square base plate (61) are respectively movably installed with moving mechanisms (63). The moving mechanisms (63) are set to be suitable for moving the anchor rod to the installation position.

2. The foundation pit support structure according to claim 1, characterized in that: The square base plate (61) has square grooves (611) at the four corners of its upper end, and sliding grooves (612) are respectively provided at the middle of the four ends of the inner wall of the square grooves (611).

3. The foundation pit support structure according to claim 1, characterized in that: The moving mechanism (63) includes a hollow circular block (631) and insertion rods (632) that are fixedly installed around the outer wall of the hollow circular block (631).

4. The foundation pit support structure according to claim 1, characterized in that: The protective component (7) includes a shielding mechanism (71) and a pressing mechanism (72) movably mounted on both sides of the inner wall of the shielding mechanism (71).

5. The foundation pit support structure according to claim 4, characterized in that: The shielding mechanism (71) includes an open elongated block (711) and circular grooves (712) formed on both sides of the inner wall of the open elongated block (711). An elastic element (713) is fixedly installed in the inner cavity of the circular groove (712), and a sealing strip (714) is fixedly installed on the upper side of one side of the open elongated block (711).

6. The foundation pit support structure according to claim 4, characterized in that: The extrusion mechanism (72) includes a bevel plate (721) and an anti-slip adhesive layer (722) embedded in one side of the outer wall of the bevel plate (721).

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