CN211849477U - A foundation pit slope protection structure for civil construction - Google Patents

Abstract

The utility model discloses a foundation pit slope protection structure for civil engineering, which comprises a first support rod, wherein connecting rods are evenly distributed in the vertical direction of two sides of the first support rod, one end of each connecting rod is fixed with a second support rod, the top ends of the second support rod and the first support rod are respectively provided with a first mounting hole, a rotating shaft is arranged in the middle of the first mounting hole in a penetrating way, two ends of the rotating shaft are connected with a U-shaped connector, one end of the U-shaped connector is provided with a fixed rod, the utility model relates to a foundation pit slope protection structure for civil engineering, the rotating angle of the fixed rod can be adjusted through the rotating shaft, the structure is suitable for the protection of foundation pits with different inclination angles, the first support rod and the second support rod are arranged on the slope surface of the foundation pit, the U-shaped connector is rotated to connect the fixed rod with the horizontal plane at the top of the slope surface, and then a fastener is sequentially penetrated into, the barb piece improves the power of grabbing of fastener, ensures that first bracing piece and second bracing piece bank protection intensity is high.

Description

A foundation pit slope protection structure for civil construction

technical field

The utility model relates to a slope protection structure, in particular to a foundation pit slope protection structure for civil construction, belonging to the technical field of civil construction equipment.

Background technique

The foundation pit is a soil pit excavated at the base design position according to the base elevation and the size of the base plane. Before excavation, the excavation plan should be decided according to the geological and hydrological data and the conditions of the buildings near the site, and waterproof and drainage work should be done. If the excavation is not deep, the method of placing the slope can be used to stabilize the soil slope, and the size of the slope shall be determined according to the relevant construction engineering regulations. If the excavation is deep and there are buildings nearby, the foundation pit wall support method, the shotcrete wall protection method, or even the underground diaphragm wall and the column-type bored pile interlocking method for large foundation pits can be used to prevent the outer soil layer from collapsing. . For those who have no influence on nearby buildings, the groundwater level can be lowered by the well point method, grading and open-cut excavation can be used, and the natural air-conditioning freezing method can be used for excavation in cold areas.

Most of the existing slope protection structures are filled with cement mortar, which is inconvenient to install, has low efficiency, and cannot be recycled. The nodes of the sheet need to be riveted with iron wires, and the construction time is long. Therefore, we made improvements and proposed a foundation pit slope protection structure for civil construction.

Utility model content

The purpose of this utility model is to provide a foundation pit slope protection structure for civil construction, in order to solve the problem that most of the traditional slope protection structures proposed in the above background technology are filled with cement mortar, which is inconvenient to install, has low efficiency, and cannot be recycled. Part of the support structure uses vertical and horizontal steel bars to be woven into steel mesh sheets to protect the sides of the foundation pit. The nodes of the steel mesh sheets need to be riveted with iron wires, and the construction time is long.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a foundation pit slope protection structure for civil construction, comprising a first support rod, and connecting rods are evenly distributed in the vertical direction on both sides of the first support rod, One end of the connecting rod is fixed with a second support rod, the top ends of the second support rod and the first support rod are both provided with a first installation hole, and a rotating shaft is penetrated in the middle of the first installation hole, and the Both ends of the rotating shaft are connected with a U-shaped connector, one end of the U-shaped connector is provided with a fixing rod, and a first positioning hole is opened at an equal distance in the vertical direction between the first support rod and the second support rod, The first positioning hole is provided with a fastener, one end of the fastener is provided with a positioning shaft, one end of the positioning shaft is fixed with a limit head corresponding to the first positioning hole, and the other end of the positioning shaft is provided There is a conical head, and the two sides of the conical head are symmetrically provided with barbs.

As a preferred technical solution of the present invention, the barb piece, the conical head, the positioning shaft and the limit head are made of aluminum alloy material.

As a preferred technical solution of the present invention, the fixing rod and the U-shaped connecting head are integrally formed, and the inner side of the U-shaped connecting head is symmetrically provided with a second installation hole corresponding to the rotating shaft.

As a preferred technical solution of the present invention, the connecting rod is fixedly connected with the first support rod and the second support rod by welding.

As a preferred technical solution of the present invention, the outer diameter of the limiting head is larger than the inner diameter of the first positioning hole.

As a preferred technical solution of the present invention, one end of the fixing rod is provided with a second positioning hole, and a positioning pile is penetrated in the second positioning hole.

Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model is a foundation pit slope protection structure for civil construction, which has the advantages of convenient and quick installation, can be recycled and reused, and comprehensive protection. Compared with the traditional foundation pit slope protection structure, the utility model can adjust the rotation angle of the fixed rod through the rotating shaft, and is suitable for the protection of foundation pit slopes with different inclination angles. Place it on the slope of the foundation pit, turn the U-shaped connector to connect the fixing rod with the horizontal surface at the top of the slope, and then pass the fasteners through the first positioning hole and nail them into the inside of the slope in turn, reducing the number of tapered heads. The movement resistance of the positioning shaft and the barbs improve the gripping force of the fasteners to ensure the high slope protection strength of the first support rod and the second support rod. Overall installation, easy disassembly and assembly, good use effect.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the present utility model;

Fig. 2 is the side structure schematic diagram of the utility model;

In the figure: 1, the first support rod; 2, the second support rod; 3, the fastener; 4, the first installation hole; 5, the U-shaped connector; 6, the rotating shaft; 7, the connecting rod; 8 , the second mounting hole; 9, the limit head; 10, the first positioning hole; 11, the positioning shaft; 12, the barb piece; 13, the conical head; 14, the fixing rod; 15, the second positioning hole; 16, Positioning stakes.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Please refer to Fig. 1-2, the present utility model provides a foundation pit slope protection structure for civil construction, including a first support rod 1, and connecting rods are evenly distributed on both sides of the first support rod 1 in the vertical direction 7. A second support rod 2 is fixed at one end of the connecting rod 7. The top ends of the second support rod 2 and the first support rod 1 are both provided with a first installation hole 4, and the first installation hole 4 is in the middle. A rotating shaft 6 is worn through, and both ends of the rotating shaft 6 are connected with a U-shaped connector 5. One end of the U-shaped connector 5 is provided with a fixed rod 14. The first support rod 1 and the second support rod 2. A first positioning hole 10 is opened at an equal distance in the vertical direction in the middle. A fastener 3 is passed through the first positioning hole 10. One end of the fastener 3 is provided with a positioning shaft 11. The positioning shaft 11 One end is fixed with a limiting head 9 corresponding to the first positioning hole 10, and the other end of the positioning shaft 11 is provided with a tapered head 13, and the tapered head 13 is symmetrically provided with barbs 12 on both sides, so that the fastener 3 It is not easy to get off the slope.

Preferably, the barb piece 12 , the conical head 13 , the positioning shaft 11 and the limit head 9 are made of aluminum alloy material, which has high structural strength and is not easy to corrode, can be used many times, and has a long service life.

Preferably, the fixing rod 14 and the U-shaped connecting head 5 are integrally formed, and the inner side of the U-shaped connecting head 5 is symmetrically provided with a second installation hole 8 corresponding to the rotating shaft 6, so that the fixing rod 14 can be easily adjusted according to the slope of the foundation pit. Adjust the rotation angle accordingly.

Preferably, the connecting rod 7 is fixedly connected with the first support rod 1 and the second support rod 2 by welding, so as to improve the slope protection strength of the first support rod 1 and the second support rod 2 .

Preferably, the outer diameter of the limiting head 9 is larger than the inner diameter of the first positioning hole 10 to prevent the fastener 3 from passing through the first positioning hole 10 .

Preferably, one end of the fixing rod 14 is provided with a second positioning hole 15, and a positioning pile 16 is penetrated in the second positioning hole 15, so that the fixing rod 14 is fixed with the ground at the top of the slope of the foundation pit.

In concrete use, the utility model is a foundation pit slope protection structure for civil construction, which has the advantages of convenient and quick installation, can be recycled and reused, and comprehensive protection. For the protection of the slope of the foundation pit with an inclination angle, place the first support rod 1 and the second support rod 2 on the slope of the foundation pit, and turn the U-shaped connector 5 to connect the fixed rod 14 with the horizontal plane at the top of the slope. At this time, the fasteners 3 are passed through the first positioning hole 10 and screwed into the slope surface in sequence, the tapered head 13 reduces the movement resistance of the positioning shaft 11, and the barbs 12 improve the grip of the fasteners 3, ensuring the first The support rod 1 and the second support rod 2 have high slope protection strength. Finally, the positioning pile 16 is nailed into the second positioning hole 15 and the ground to realize the overall installation of the slope protection structure.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the indicated The device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

In the present utility model, unless otherwise expressly specified and limited, for example, it may be a fixed connection, a detachable connection, or an integrated body; it may be a mechanical connection or an electrical connection; it may be a direct connection, or a It can be indirectly connected through an intermediate medium, it can be the communication between two elements or the interaction relationship between the two elements, unless otherwise clearly defined, for those of ordinary skill in the art, the above terms can be understood according to the specific situation in this document. The specific meaning in the utility model.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. a foundation pit slope protection structure for civil construction, comprising a first support rod (1), characterized in that the vertical direction on both sides of the first support rod (1) is evenly distributed with connecting rods (7) ), a second support rod (2) is fixed at one end of the connecting rod (7), and a first mounting hole (4) is provided at the top of the second support rod (2) and the first support rod (1). ), the first mounting hole (4) is provided with a rotating shaft (6), both ends of the rotating shaft (6) are connected with a U-shaped connector (5), and one end of the U-shaped connector (5) A fixing rod (14) is provided, and a first positioning hole (10) is equidistantly opened in the vertical direction between the first support rod (1) and the second support rod (2), and the first positioning hole (10) A fastener (3) is pierced inside, one end of the fastener (3) is provided with a positioning shaft (11), and one end of the positioning shaft (11) is fixed with a corresponding first positioning hole (10) The limiting head (9) of the positioning shaft (11) is provided with a tapered head (13) at the other end, and barbs (12) are symmetrically provided on both sides of the tapered head (13). 2. A foundation pit slope protection structure for civil construction according to claim 1, characterized in that: the barb piece (12), the conical head (13), the positioning shaft (11) and the limit head ( 9) Made of aluminum alloy material. 3. A foundation pit slope protection structure for civil construction according to claim 1, characterized in that: the fixed rod (14) and the U-shaped connector (5) are integrally formed, and the U-shaped connector (5) A second mounting hole (8) corresponding to the rotating shaft (6) is symmetrically opened on the inner side. 4. A kind of foundation pit slope protection structure for civil construction according to claim 1, characterized in that: the connecting rod (7), the first support rod (1) and the second support rod (2) are fixedly connected by welding. 5. A foundation pit slope protection structure for civil construction according to claim 1, characterized in that: the outer diameter of the limiting head (9) is larger than the inner diameter of the first positioning hole (10). 6. A foundation pit slope protection structure for civil construction according to claim 1, wherein a second positioning hole (15) is opened at one end of the fixing rod (14), and the second positioning hole (15) ) is provided with positioning piles (16).

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