Foundation pit supporting structure

Abstract

The utility model relates to the technical field of foundation pit supporting, in particular to a foundation pit supporting structure, which comprises a plurality of vertical piles and a plurality of inclined piles, and is characterized in that the inclined piles are of I-shaped steel structures, the tops of the inclined piles are fixedly connected with connecting chucks, bayonets are formed in the tops of one side faces of the connecting chucks, and the bayonets are fixedly connected with the inclined piles. Blocking flanges are fixedly connected to the edges of the tops of the side faces of the multiple inclined piles. The device has the advantages that the tops of the vertical piles and the tops of the inclined piles are connected through the tensioning assemblies, tensioning and fixing are achieved, meanwhile, the distance between the two ends of the tensioning assemblies can be adjusted through the adjustable telescopic rods, adjustment of different distances is achieved, and therefore the distance between the vertical piles and the inclined piles can be arranged according to the actual situation; the soil retaining plates are inserted among the inclined piles, water and soil can be effectively prevented from losing among the inclined piles, meanwhile, water can be discharged through the water permeable holes, the soil water content is reduced, and the risk of water and soil loss is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of foundation pit support, in particular to a foundation pit support structure. Background Art

[0002] In order to prevent landslides during the use of foundation pits, support structures are often required for protection. Support is a measure of support, reinforcement and protection of the side walls and surrounding environment to ensure the safety of underground structure construction and the surrounding environment of the foundation pit. Support is a temporary construction measure used during the foundation construction process and backfilled immediately after the foundation is completed.

[0003] In Chinese utility model CN215441915U, a foundation pit support structure and foundation pit are disclosed. The foundation pit support structure and foundation pit are applied in the field of building construction technology. The inclined piles extend obliquely into the bottom of the foundation pit to the hard soil layer, and the straight piles extend into the top of the foundation pit for fixing. One end of the straight pile extending out of the top of the foundation pit is fixedly connected to the crossbeam on the inclined pile, thereby fixing with the inclined pile to achieve the supporting effect, protect the side wall of the foundation pit, and prevent the foundation pit from landslide. The structure is simple, the construction speed is fast, the applicability is good, and the support space requirement is smaller. However, the foundation pit support structure still has the following problems in use:

[0004] The connection between the vertical piles and the horizontal beams of the foundation pit support structure and the foundation pit relies on I-beams of fixed length, resulting in a fixed connection length, which makes it impossible to adjust the fixed length according to actual conditions. In addition, the gaps between the inclined piles lack obstruction, and during heavy rains, mud can easily flow away from the gaps between the inclined piles, causing soil erosion on the foundation pit wall. Utility Model Content

[0005] The purpose of the present invention is to solve at least one of the above technical deficiencies.

[0006] To this end, one purpose of the utility model is to propose a foundation pit support structure to solve the problems mentioned in the background technology and overcome the deficiencies in the prior art.

[0007] In order to achieve the above-mentioned purpose, an embodiment of the utility model on one hand provides a foundation pit support structure, including a plurality of vertical piles and a plurality of inclined piles, and the plurality of inclined piles are all I-beam structures. The tops of the plurality of inclined piles are fixedly connected with connecting clamps, and the tops of one side of the connecting clamps are provided with bayonet holes, and the edges of the side tops of the plurality of inclined piles are fixedly connected with blocking flanges. The tops of the plurality of inclined piles are respectively fixedly connected with a plurality of tensioning assemblies between the plurality of connecting clamps, and the plurality of tensioning assemblies include adjustable telescopic rods, and the two ends of the adjustable telescopic rods are respectively fixedly connected with fixing belts and hanging buckles, and the fixing belts are tied and fixed to the tops of the vertical piles, and the hanging buckles are hooked and fixed with the bayonet holes, and retaining plates are commonly inserted between the inner walls of the I-shaped grooves of the plurality of inclined piles, and the bottom insertion positions of the plurality of vertical piles and inclined piles are lower than the bottom of the foundation pit.

[0008] Preferably, any of the above schemes comprises that the adjustable telescopic rod comprises a rotating sleeve, both sides of the inner wall of the rotating sleeve are threadedly connected with the telescopic rod, and one end of the two telescopic rods away from the rotating sleeve is fixedly connected to a fixing belt and a hanging buckle respectively.

[0009] The technical effect achieved by adopting the above scheme is: by rotating the rotating sleeve, the two telescopic rods can be driven to contract and tighten the fixing belt and the hook to fix the inclined pile and the vertical pile.

[0010] Preferably, from any of the above schemes, the inner wall of the rotating sleeve is a through structure, the two telescopic rods have the same length, the sum of the lengths of the two telescopic rods is not less than the length of the inner wall of the rotating sleeve, and the outer wall of the rotating sleeve is provided with anti-slip patterns.

[0011] The technical effect achieved by adopting the above scheme is that the adjustable length of the rotating sleeve can be fully utilized, and the anti-slip texture facilitates the rotation of the sleeve.

[0012] Preferably, any of the above schemes is that the retaining plate is a hollow structure, the retaining plate is connected from top to bottom, the thickness of the retaining plate is matched with the thickness of the inner wall of the inclined pile I-shaped groove, and a plurality of water permeable holes are opened on a side of the retaining plate close to the foundation pit slope, and the plurality of water permeable holes are connected to the interior of the retaining plate.

[0013] The technical effect achieved by adopting the above scheme is: water can be discharged through a number of permeable holes, the soil moisture content is reduced, and the risk of soil erosion is reduced.

[0014] Preferably, any of the above schemes has a length of the retaining plate equal to a length of the foundation pit slope, and the retaining plate and a plurality of inclined piles are arranged obliquely along the surface of the foundation pit slope.

[0015] The technical effect achieved by adopting the above scheme is: making the retaining plate fit with the foundation pit wall to reduce the space for soil and water loss, and at the same time making the bottom opening of the retaining plate tilted and open to facilitate the discharge of water.

[0016] Compared with the prior art, the advantages and beneficial effects of the utility model are:

[0017] 1. The foundation pit support structure connects the tops of several vertical piles and several inclined piles through several tensioning components to achieve tensioning and fixing. At the same time, the spacing between the two ends of the tensioning components can be adjusted through an adjustable telescopic rod to achieve adjustment of different spacings, so that the distance between several vertical piles and several inclined piles can be arranged according to actual conditions.

[0018] 2. The foundation pit support structure can effectively prevent water and soil from being lost between several inclined piles by inserting retaining plates between several inclined piles. At the same time, water can be discharged through several permeable holes, thereby reducing soil moisture content and reducing the risk of soil and water loss. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the utility model;

[0020] Figure 2 It is a schematic diagram of the internal structure of the utility model.

[0021] In the figure: 1-vertical pile, 2-inclined pile, 3-connecting clamp, 4-bayonet, 5-blocking flange, 6-tensioning assembly, 61-adjustable telescopic rod, 611-rotating sleeve, 612-telescopic rod, 62-hanging buckle, 63-fixing belt, 7-retaining board, 8-water permeable hole. DETAILED DESCRIPTION

[0022] The utility model is further described below in conjunction with the accompanying drawings, but the protection scope of the utility model is not limited to the following description.

[0023] Embodiment 1: Figure 1 to Figure 2 As shown, a foundation pit support structure comprises a plurality of vertical piles 1 and a plurality of inclined piles 2, characterized in that: the plurality of inclined piles 2 are all I-steel structures, the tops of the plurality of inclined piles 2 are fixedly connected with connecting clamps 3, the tops of one side of the connecting clamps 3 are provided with bayonet holes 4, the edges of the side tops of the plurality of inclined piles 2 are fixedly connected with blocking flanges 5, the tops of the plurality of inclined piles 2 are respectively fixedly connected with a plurality of tensioning assemblies 6 between the plurality of connecting clamps 3, the plurality of tensioning assemblies 6 comprise adjustable telescopic rods 61, the two ends of the adjustable telescopic rods 61 are respectively fixedly connected with fixing belts 63 and hanging buckles 62, the fixing belts 63 are tied and fixed to the tops of the vertical piles 1, the hanging buckles 62 are hooked and fixed to the bayonet holes 4, retaining plates 7 are commonly inserted between the inner walls of the I-shaped grooves of the plurality of inclined piles 2, and the bottom insertion positions of the plurality of vertical piles 1 and the inclined piles 2 are both lower than the bottom of the foundation pit.

[0024] As an optional technical solution of the utility model, the adjustable telescopic rod 61 includes a rotating sleeve 611, and telescopic rods 612 are threadedly connected to both sides of the inner wall of the rotating sleeve 611. The ends of the two telescopic rods 612 away from the rotating sleeve 611 are respectively fixedly connected to the fixing belt 63 and the hanging buckle 62. By rotating the rotating sleeve 611, the two telescopic rods 612 can be driven to contract and tighten the fixing belt 63 and the hanging buckle 62 to fix the inclined pile 2 and the vertical pile 1.

[0025] As an optional technical solution of the utility model, the inner wall of the rotating sleeve 611 is a through structure, the two telescopic rods 612 have the same length, and the sum of the lengths of the two telescopic rods 612 is not less than the length of the inner wall of the rotating sleeve 611. The outer wall of the rotating sleeve 611 is provided with anti-slip textures, which can give full play to the adjustable length of the rotating sleeve 611, and the anti-slip textures facilitate the rotation of the rotating sleeve 611.

[0026] As an optional technical solution of the utility model, the retaining plate 7 is a hollow structure, which is connected from top to bottom. The thickness of the retaining plate 7 is adapted to the thickness of the inner wall of the I-shaped groove of the inclined pile 2. A plurality of water permeable holes 8 are opened on the side of the retaining plate 7 close to the slope of the foundation pit. The plurality of water permeable holes 8 are connected to the interior of the retaining plate 7. Water can be discharged through the plurality of water permeable holes 8 to reduce the soil moisture content and reduce the risk of soil erosion.

[0027] As an optional technical solution of the utility model, the length of the retaining plate 7 is equal to the length of the foundation pit slope. The retaining plate 7 and the plurality of inclined piles 2 are arranged obliquely along the surface of the foundation pit slope, so that the retaining plate 7 fits the foundation pit wall, reducing the space for soil and water loss, and at the same time makes the bottom opening of the retaining plate 7 tilted and open, biased towards discharging water.

[0028] A foundation pit support structure, the working principle is as follows:

[0029] 1) driving a number of vertical piles 1 into the top of the foundation pit near the edge of the foundation pit, and driving a number of inclined piles 2 into the bottom of the foundation pit along the inclined surface of the side wall corresponding to the position of the vertical piles 1;

[0030] 2) Then fix the fixing belts 63 and the hooks 62 at both ends of the tensioning assembly 6 to the bayonet 4 at the top of the vertical pile 1 corresponding to the diagonal pile 2 respectively;

[0031] 3) Then, the sleeve 611 is rotated to drive the two telescopic rods 612 to contract and tighten the fixing belt 63 and the hook 62 to fix the inclined pile 2 and the vertical pile 1, and then the retaining plate 7 is inserted between the inclined piles 2.

[0032] In summary, the foundation pit support structure connects the tops of several vertical piles 1 and several inclined piles 2 through several tensioning components 6 to achieve tensioning and fixing. At the same time, the spacing between the two ends of the tensioning components 6 can be adjusted through the adjustable telescopic rod 61 to achieve adjustment of different spacings, so that the distance between the several vertical piles 1 and the several inclined piles 2 can be arranged according to actual conditions. By inserting the retaining plate 7 between the several inclined piles 2, the water and soil can be effectively prevented from being lost between the several inclined piles 2. At the same time, water can be discharged through the several permeable holes 8 to reduce the soil moisture content and reduce the risk of soil erosion.

[0033] Although the embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and cannot be understood as limiting the present invention. Those skilled in the art can change, modify, replace and modify the above embodiments within the scope of the present invention without departing from the principles and purpose of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A foundation pit support structure, comprising a plurality of vertical piles and a plurality of inclined piles, characterized in that: Several of the inclined piles are I-beam structures, the tops of several of the inclined piles are fixedly connected with connecting clamps, the tops of one side of the connecting clamps are provided with bayonet sockets, the edges of the tops of the side surfaces of several of the inclined piles are fixedly connected with blocking flanges, the tops of several of the inclined piles are respectively fixedly connected with several tensioning assemblies between the connecting clamps, and several of the tensioning assemblies include adjustable telescopic rods, the two ends of the adjustable telescopic rods are respectively fixedly connected with fixing belts and hanging buckles, the fixing belts are tightly tied and fixed to the tops of the vertical piles, the hanging buckles are hooked and fixed with the bayonet sockets, retaining plates are commonly inserted between the inner walls of the I-shaped grooves of several of the inclined piles, and the bottom insertion positions of several of the vertical piles and the inclined piles are lower than the bottom of the foundation pit.

2. A foundation pit support structure according to claim 1, characterized in that: The adjustable telescopic rod comprises a rotating sleeve, and both sides of the inner wall of the rotating sleeve are threadedly connected with the telescopic rod, and one end of the two telescopic rods away from the rotating sleeve is fixedly connected to a fixing belt and a hanging buckle respectively.

3. A foundation pit support structure according to claim 2, characterized in that: The inner wall of the rotating sleeve is a through structure, the two telescopic rods have the same length, the sum of the lengths of the two telescopic rods is not less than the length of the inner wall of the rotating sleeve, and the outer wall of the rotating sleeve is provided with anti-slip patterns.

4. A foundation pit support structure according to claim 3, characterized in that: The retaining plate is a hollow structure, which is connected from top to bottom. The thickness of the retaining plate matches the thickness of the inner wall of the inclined pile I-shaped groove. A plurality of water-permeable holes are opened on one side of the retaining plate close to the foundation pit slope, and the plurality of water-permeable holes are connected to the interior of the retaining plate.

5. A foundation pit support structure according to claim 4, characterized in that: The length of the retaining plate is equal to the length of the foundation pit slope, and the retaining plate and a plurality of inclined piles are arranged obliquely along the surface of the foundation pit slope.

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