Foundation pit safety protection device for building construction

The foundation pit protection device, which uses a vertical plate bracket structure and a screw sleeve screw-type support rod assembly, solves the problems of complex construction and high cost of traditional foundation pit protection devices, and achieves efficient support and protection of the foundation pit facade and soil layer, reducing construction difficulty and installation cost.

CN223963939UActive Publication Date: 2026-03-03HARBIN HUAXIA MINING SAFETY TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-03
Publication Date
2026-03-03

AI Technical Summary

Technical Problem

Traditional foundation pit protection and support devices are complex to construct and costly, and are difficult to effectively support the foundation pit facade and soil layers.

Method used

The structure adopts a vertical plate bracket type, which uses supporting vertical plates and support rods to form an integrated facade support. It is supported by connecting anchor columns and anti-collapse support nets. The support rods are adjusted by screw sleeves. The supporting vertical plates and support rods form a single bracket, which is convenient and flexible to install.

Benefits of technology

It reduces construction difficulty and installation costs, achieves effective support and protection for the foundation pit facade and soil layer, and is easy to install and adjust, adapting to different support needs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of building construction, and discloses a foundation pit safety protection device for building construction, which is characterized in that supporting vertical plates mounted on the inner side of a foundation pit are used as mounting and supporting structures of an anti-sloughing supporting net, and the anti-sloughing supporting net is connected with an anchor column support and a plurality of groups of supporting vertical plate supports in a positioning and matching manner through penetrating holes; the anti-collapse supporting net is arranged on the foundation pit vertical face to form an integrated vertical face supporting structure, a main body structure and a face side soil layer of the foundation pit vertical face can be effectively supported and protected through hard supporting of the supporting vertical plates and overall wrapping and protection of the anti-collapse supporting net, the supporting vertical plates are arranged in a split structure, and the supporting vertical plates and the supporting rod assemblies form a single support supporting structure. The supporting rod assembly is of a threaded sleeve screwing type supporting adjusting structure, installation and adjustment are convenient, arrangement and installation can be carried out according to specific supporting requirements through an independent support structure, use is flexible, the structure is simple, installation is convenient, support construction during overall framework is not needed, and the construction difficulty and the installation cost of the device can be effectively reduced.
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Description

Technical Field

[0001] This utility model relates to the field of building construction technology, specifically to a safety protection device for foundation pits in building construction. Background Technology

[0002] Building construction refers to the production activities during the implementation phase of an engineering project. It is the process of building various types of buildings, or the process of turning the lines on design drawings into a physical object at a designated location. It includes foundation construction, main structure construction, roof construction, and decoration construction. Building foundation pit engineering refers to the excavation of the space below ground level at the foundation design location according to the foundation elevation and foundation plane dimensions for the construction of the building foundation and basement. It is a temporary project, its function being to provide a space so that the foundation masonry work can be carried out according to the design specifications.

[0003] Due to the differences in soil structure in the building area, in addition to the conventional anchor support structure, a safety protection support structure needs to be set up at the weak facade inside the foundation pit. Traditional protection support devices mostly adopt facade frame support structure, which relies on the inner side to build a support to provide support for the foundation pit facade. The construction operation is complicated and consumes a lot of materials, resulting in high protection installation costs and construction difficulties. Therefore, a safety protection device for foundation pits in building construction is proposed. Utility Model Content

[0004] The purpose of this utility model is to provide a safety protection device for foundation pits in building construction, so as to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a safety protection device for foundation pits in building construction, comprising a supporting plate, an installation plate, an anti-collapse support net, connecting anchors and a support rod assembly. The anti-collapse support net is positioned and installed on the installation side of the supporting plate and the foundation pit facade through the connecting anchors. The installation plate is flipped and installed on the lower part of the supporting plate. The support rod assembly is supported and installed on the installation side of the supporting plate and the installation plate.

[0006] The support rod assembly includes an adjusting cylinder seat, an upper support column, and a lower support column. The inner ends of the upper and lower support columns are respectively threaded onto the upper and lower ends of the adjusting cylinder seat. The support ends of the upper and lower support columns are respectively supported and installed at the fulcrum on the upper part of the mounting plate of the support plate.

[0007] Preferably, the support plate is plate-shaped, and the upper part of the support plate is uniformly provided with anchor bolt installation holes at equal intervals. The connecting anchor bolts are inserted and installed inside the anchor bolt installation holes, and the ends of the connecting anchor bolts are fixedly inserted and installed to the inner wall of the foundation pit.

[0008] Preferably, the aforementioned anti-collapse support net is provided with supporting side plates on both the sides and the middle section. The upper part of the supporting side plates is uniformly provided with positioning installation holes corresponding to the anchor installation holes. The anti-collapse support net is connected to the anchor through the support plate and is installed in close contact with the foundation pit facade.

[0009] Preferably, the mounting plate is flipped and installed on the lower end of the support plate by means of a pin. The mounting plate has a bolt hole through the middle. After flipping, the mounting plate is fixed to the bottom of the pit by means of a long rod bolt.

[0010] Preferably, the adjusting cylinder seat has adjusting screw holes at the middle of both ends, and the inner ends of the upper and lower support columns are provided with mating screw heads. The upper and lower support columns are threadedly connected to the adjusting screw holes on both sides of the adjusting cylinder seat through the mating screw heads. A circular through hole is provided in the middle of the adjusting cylinder seat.

[0011] Preferably, both the upper and lower support columns are fixedly equipped with mating hole seats at their support ends, and the sides of the support plate are uniformly fixed with pin supports at equal intervals. The mating hole seats at the support ends of the upper support columns are hinged to the pin supports by connecting pins.

[0012] Preferably, the side of the mounting plate is provided with support positioning holes evenly spaced at equal intervals, and the mating hole seat of the lower support column is connected to the support positioning hole by a connecting pin.

[0013] Compared with the prior art, the present invention, by adopting the above technical solution, has the following technical effects:

[0014] This protective device adopts a vertical support structure, using support plates installed inside the foundation pit as the installation support structure for the anti-collapse support net. The anti-collapse support net is installed by perforated positioning and connecting anchor columns with multiple sets of support plates, forming an integrated facade support structure. Through the rigid support of the support plates and the overall protection of the anti-collapse support net, the main structure of the foundation pit facade and the side soil layer can be effectively supported and protected. Furthermore, the support plates adopt a split structure, with the support plates and support rod assemblies forming a single support structure. The support rod assemblies adopt a screw-type support adjustment structure, which is convenient for installation and adjustment. Moreover, through the independent support structure, the arrangement and installation can be flexible according to specific support needs. The structure is simple and easy to install, eliminating the need for the support construction of an overall frame, which can effectively reduce the construction difficulty and installation cost of the device. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 This is a schematic diagram of the overall installation front structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the overall installation rear structure of this utility model;

[0018] Figure 3 This is a schematic diagram of the support structure for the support plate of this utility model.

[0019] Figure 4 This is a schematic diagram of the disassembly and assembly structure of the support rod assembly of this utility model;

[0020] Figure 5 This is a schematic diagram of the three-dimensional structure of the anti-collapse support net of this utility model.

[0021] Explanation of reference numerals in the attached drawings: 1. Support plate; 2. Mounting plate; 3. Anti-collapse support net; 4. Connecting anchor; 5. Adjusting cylinder seat; 6. Upper support column; 7. Lower support column; 8. Docking hole seat; 9. Pin support; 10. Support positioning hole; 11. Circular through hole; 12. Support side plate; 13. Positioning mounting hole. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] It should be noted that the structures, proportions, sizes, etc., shown in the accompanying drawings of this specification are only for the purpose of assisting those skilled in the art in understanding and reading the content disclosed in the specification, and are not intended to limit the conditions under which this application can be implemented. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in the proportions, or adjustments to the size should still fall within the scope of the technical content disclosed in this application, provided that they do not affect the effects and purposes that this application can produce.

[0024] Example

[0025] Please see Figure 1-5This utility model provides a technical solution: a safety protection device for foundation pits in building construction, comprising a supporting plate 1, an installation plate 2, an anti-collapse support net 3, connecting anchor columns 4, and a support rod assembly, as shown in the attached figure. Figure 3 As shown, the support plate 1 is a plate-shaped metal support structure. In order to facilitate the connection and installation of the anchor column 4, anchor column installation holes are evenly provided at equal intervals in the upper part of the support plate 1. The anchor column 4 is inserted and installed inside the anchor column installation hole. The end of the anchor column 4 is fixedly inserted and installed to the inner wall of the foundation pit to realize the installation limit of the support plate 1.

[0026] The anti-collapse support net 3 is positioned and installed on the installation side of the support plate 1 and the foundation pit facade by connecting anchor posts 4, as detailed in the attached document. Figure 5 As shown, to facilitate the positioning and installation of the anti-collapse support net 3, support plates 12 are provided on both the sides and the middle section of the anti-collapse support net 3. The upper part of the support plate 12 is evenly provided with positioning and installation holes 13 corresponding to the anchor installation holes. The anti-collapse support net 3 is installed in close contact with the foundation pit facade by the anchor 4 through the support plate 1 pressing against it. The support plate 1 installed on the inside of the foundation pit serves as the installation support structure for the anti-collapse support net 3. The anti-collapse support net 3 is supported by the anchor 4 through the perforated positioning and connection and multiple sets of support plates 1, forming an integrated facade support structure. Through the rigid support of the support plate 1 and the overall protection of the anti-collapse support net 3, the main structure of the foundation pit facade and the side soil layer can be effectively supported and protected.

[0027] Mounting support plate 2 as a support fulcrum structure for supporting vertical plate 1, as shown in the attached diagram. Figure 3 As shown, the mounting plate 2 is flipped and installed at the lower end of the support plate 1 via a pin connection, facilitating the transportation and storage of the support structure. A bolt mounting hole is provided through the middle of the mounting plate 2. After flipping, the mounting plate 2 is secured to the bottom of the pit by a long bolt, providing a stable mounting point for the support structure of the support plate 1. The support rod assembly is mounted on the mounting sides of the support plate 1 and the mounting plate 2, serving as the support structure for the support plate 1. The support rod assembly includes an adjusting cylinder seat 5, an upper support column 6, and a lower support column 7. The inner ends of the upper support column 6 and the lower support column 7 are threaded onto the upper and lower ends of the adjusting cylinder seat 5, respectively. (See attached diagram.) Figure 4 As shown, adjusting screw holes are provided at the middle of both ends of the adjusting cylinder base 5, and mating screw heads are provided on the inner ends of the upper support column 6 and the lower support column 7. The upper support column 6 and the lower support column 7 are threadedly connected to the adjusting screw holes on both sides of the adjusting cylinder base 5 through the mating screw heads. The support rod assembly adopts a screw sleeve screw-type support adjustment structure, which is convenient for installation and adjustment. In order to facilitate the adjustment operation, a circular through hole 11 is provided in the middle of the adjusting cylinder base 5.

[0028] The support ends of the upper support column 6 and the lower support column 7 are respectively supported and installed at the fulcrum of the mounting plate 2 on the upper part of the support plate 1, as detailed in the attached diagram. Figure 3 As shown, to facilitate the installation of the support, docking hole seats 8 are fixedly installed at the support ends of the upper support column 6 and the lower support column 7. Pin bearings 9 are evenly fixed at equal intervals on the side of the support plate 1. The docking hole seats 8 at the support end of the upper support column 6 are hinged to the pin bearings 9 by connecting pins. Support positioning holes 10 are evenly provided at equal intervals on the side of the mounting plate 2. The docking hole seats 8 at the support end of the lower support column 7 are connected to the support positioning holes 10 by connecting pins, forming a triangular bracket support structure. The support plate 1 and the support rod assembly form a single bracket support structure. Through the independent bracket structure, the arrangement and installation can be flexible according to specific support requirements. The structure is simple and easy to install. There is no need for bracket construction when using an overall frame, which can effectively reduce the construction difficulty and installation cost of the device.

[0029] The working principle or structural principle is as follows: During use, the support sections are divided according to the structure within the foundation pit. Then, the starting and ending points of each support section are measured and marked. Next, the ends of the anti-collapse support netting 3 are installed by aligning and interlacing the connecting anchor columns 4, and the support plate 1 is attached to the upper part of the foundation pit facade. After completion, the support plate 2 is flipped and unfolded for installation. Then, according to the facade height and support requirements, the corresponding number and specifications of support columns are selected. Finally, the ends of the upper support column 6 and the lower support column 7 are connected to the support plate 1 and the upper support point of the installation plate 2 respectively using connecting pins, completing the installation. Then, insert the end of the cylindrical tool into the inner side of the circular through hole 11 in the middle of the adjusting cylinder seat 5. Then, rotate the adjusting cylinder seat 5 with the cylindrical tool and push the bolts to complete the lifting and support adjustment of the support columns on both sides, providing stable support to the inner side of the installed support plate 1. Then, by tensioning, use the support plate 1 and connecting anchor column 4 to complete the connection and installation of the lower anti-collapse support net 3. Proceed in sequence to complete the layout and installation of the device. Then, rotate the adjusting cylinder seat 5 to perform secondary support and reinforcement adjustment of the installed device to complete the installation work.

[0030] In summary, this protective device adopts a vertical support structure. The supporting vertical plate 1, installed inside the foundation pit, serves as the support structure for the anti-collapse support net 3. The anti-collapse support net 3 is supported by perforated positioning anchors 4 and multiple supporting vertical plates 1, forming an integrated facade support structure. Through the rigid support of the supporting vertical plate 1 and the overall protection of the anti-collapse support net 3, effective support and protection can be provided for the main structure of the foundation pit facade and the surrounding soil layer. Furthermore, the supporting vertical plate 1 adopts a split structure, with the supporting vertical plate 1 and the support rod assembly forming a single-unit support structure. The support rod assembly uses a screw-type adjustable support structure, making installation and adjustment convenient. Moreover, the independent support structure allows for flexible arrangement and installation according to specific support needs. The simple structure and convenient installation eliminate the need for the support construction required for an overall frame, effectively reducing the construction difficulty and installation cost of the device.

[0031] Those skilled in the art will understand that the features described in the various embodiments and / or claims of this utility model can be combined or combined in various ways, even if such combinations or combinations are not explicitly described in this utility model. In particular, the features described in the various embodiments and / or claims of this utility model can be combined or combined in various ways without departing from the spirit and teachings of this utility model. All such combinations and / or combinations fall within the scope of this utility model.

Claims

1. A safety protection device for foundation pits in building construction, comprising a supporting plate (1), an installation plate (2), an anti-collapse support net (3), connecting anchors (4), and a support rod assembly, characterized in that: The anti-collapse support net (3) is positioned and installed on the installation side of the support plate (1) and the foundation pit facade by connecting anchors (4). The installation support plate (2) is flipped and installed on the lower part of the support plate (1). The support rod assembly is supported and installed on the installation side of the support plate (1) and the installation support plate (2). The support rod assembly includes an adjusting cylinder seat (5), an upper support column (6) and a lower support column (7). The inner ends of the upper support column (6) and the lower support column (7) are respectively threaded onto the upper and lower ends of the adjusting cylinder seat (5). The support ends of the upper support column (6) and the lower support column (7) are respectively supported and installed at the fulcrum of the mounting plate (2) of the support plate (1).

2. The safety protection device for foundation pits in building construction according to claim 1, characterized in that: The supporting plate (1) is plate-shaped, and the upper part of the supporting plate (1) is uniformly provided with anchor installation holes at equal intervals. The connecting anchor (4) is inserted and installed inside the anchor installation hole, and the end of the connecting anchor (4) is fixedly inserted and installed to the inner wall of the foundation pit.

3. The safety protection device for foundation pits in building construction according to claim 2, characterized in that: The anti-collapse support net (3) is provided with support side plates (12) on both the side and the middle section. The upper part of the support side plates (12) is uniformly provided with positioning installation holes (13) corresponding to the anchor installation holes. The anti-collapse support net (3) is connected to the anchor (4) by the support plate (1) pressing against it and is inserted into the foundation pit facade for installation.

4. The foundation pit safety protection device for building construction according to claim 1, characterized in that: The mounting plate (2) is flipped and installed on the lower end of the support plate (1) by means of a pin. The mounting plate (2) has a bolt mounting hole through the middle. After flipping, the mounting plate (2) is fixed to the bottom of the pit by means of a long rod bolt.

5. A safety protection device for foundation pits in building construction according to claim 4, characterized in that: The adjusting cylinder seat (5) has adjusting screw holes at the middle of both ends. The upper support column (6) and the lower support column (7) have mating screw heads on their inner ends. The upper support column (6) and the lower support column (7) are threadedly connected to the adjusting screw holes on both sides of the adjusting cylinder seat (5) through the mating screw heads. A circular through hole (11) is provided in the middle of the adjusting cylinder seat (5).

6. A safety protection device for foundation pits in building construction according to claim 5, characterized in that: The upper support column (6) and the lower support column (7) are both fixedly installed with docking hole seats (8). The side of the support plate (1) is uniformly fixed with pin shaft supports (9) at equal intervals. The docking hole seats (8) at the support end of the upper support column (6) are hinged to the pin shaft supports (9) by connecting pins.

7. A safety protection device for foundation pits in building construction according to claim 6, characterized in that: The mounting plate (2) has equidistant and uniformly spaced support positioning holes (10) on its side. The mating hole seat (8) at the support end of the lower support column (7) is connected to the support positioning hole (10) by a connecting pin.