Anti-scouring structure of single pile foundation

Abstract

The utility model relates to the field of buildings, in particular to a single pile foundation anti-scouring structure which comprises a stand column, a stretching assembly is arranged at the top of the stand column and comprises a fixing pipe, the fixing pipe is fixedly communicated with the top end of the stand column, and a pneumatic cylinder is fixedly connected into the fixing pipe. The transmission end of the pneumatic cylinder is fixedly connected with a pneumatic rod, and the bottom end of the pneumatic rod is fixedly connected with a first connecting block. According to the anti-scouring structure of the single pile foundation, the stretching assembly is additionally arranged, the fixed-point anchor is also put down when the stand column is put down, meanwhile, the pneumatic cylinder drives the pneumatic rod to press downwards, and the connecting block fixedly connected with the pneumatic rod can drive the chain to contract downwards; the fixed-point anchor moves transversely under transverse force and then is inserted into the seabed, the fixed-point anchor is pulled tighter and tighter, finally, the stand column is hinged and fixed, the fixed-point anchor can stabilize the top of the stand column when encountering stormy waves, and the stability of the single pile is improved advantageously.

Description

Technical Field

[0001] The utility model relates to the field of construction, in particular to a single pile foundation anti-scouring structure. Background Art

[0002] Single pile foundation is widely used in marine and offshore projects such as cross-sea bridges, port terminals, offshore oil platforms and offshore wind turbines due to its good flexibility, high bearing capacity and fast construction speed, and has developed into an important foundation form for water-based buildings.

[0003] At present, when the single pile foundation anti-scour structure is in use and encounters strong winds and waves, the top of the single pile will be washed by sea water, causing the bottom grounding to loosen, reducing the stability of the single pile. Utility Model Content

[0004] The purpose of the present utility model is to provide a single pile foundation anti-scour structure to solve the problem raised in the above background technology that when encountering strong winds and waves, the top of the single pile will be washed by sea water, causing the bottom grounding to loosen, thereby reducing the stability of the single pile. In order to achieve the above purpose, the present utility model provides the following technical solutions: a single pile foundation anti-scour structure, including a column, the top of the column is provided with a tensioning assembly, the tensioning assembly includes a fixed pipe, the fixed pipe is fixedly connected to the top of the column, the interior of the fixed pipe is fixedly connected to a pneumatic cylinder, the transmission end of the pneumatic cylinder is fixedly connected to a pneumatic rod, the bottom end of the pneumatic rod is fixedly connected to a connecting block 1, the opposite side of the connecting block 1 is movably connected to a chain, the bottom end of the chain is movably connected to a connecting block 2, the other side of the connecting block 2 is fixedly connected to a fixed anchor, the fixed pipe The side surface of the column has two openings, the top of the column has two slide grooves, and the top of the column has a groove. This single pile foundation anti-scour structure, by adding a stretching component, will also lower the fixed anchor when the column is lowered, and at the same time the pneumatic cylinder drives the pneumatic rod to press downward, and the connecting block fixedly connected to the pneumatic rod will shrink downward with the chain. Due to the special structure of the fixed anchor, when the chain shrinks, the fixed anchor is moved laterally by the lateral force and then inserted into the seabed and is pulled tighter and tighter to finally form a hinged fixation to the column. When encountering wind and waves, the fixed anchor will stabilize the top of the column, which is beneficial to improving the stability of the single pile.

[0005] Further preferably, a flip assembly is fixedly connected to the bottom of the column, and the flip assembly includes a square block, and the square block is fixedly connected to the bottom end of the column. This single pile foundation anti-scour structure, by adding a flip assembly, can lower the guide block through the hinged rotatable structure of the support column and the fixed axis when the single pile is driven in, and can be adjusted within a certain range according to the different depths of the single pile driven in to ensure that the guide block contacts the ground support column to support the column, and increasing the contact area of ​​the single pile is beneficial to improving the stability of the single pile. The structural characteristics of the guide block allow seawater to flow away from the top when scouring, and at the same time give the guide block a ground pressure, which is beneficial to improving the grip of the single pile.

[0006] Further preferably, the side surfaces of the square blocks are fixedly connected with fixed blocks, and one side of the fixed blocks is fixedly connected with a fixed shaft. This type of single pile foundation anti-scour structure, by adding a flip component, can lower the guide block through the hinged rotatable structure of the support column and the fixed shaft when the single pile is driven in, and can be adjusted within a certain range according to the different depths of the single pile driven in to ensure that the guide block contacts the ground support column and the support column. Increasing the contact area of ​​the single pile is beneficial to improving the stability of the single pile. The structural characteristics of the guide block allow seawater to flow away from the top when scouring, and at the same time give the guide block a ground pressure, which is beneficial to improving the grip of the single pile.

[0007] Further preferably, the side surface of the fixed shaft is movably connected with a support column, and the other end of the support column is fixedly connected with a guide block. This single pile foundation anti-scour structure, by adding a flip component, can lower the guide block through the hinged rotatable structure of the support column and the fixed shaft when the single pile is driven in, and can be adjusted within a certain range according to the different depths of the single pile driven in to ensure that the guide block contacts the ground support column and the support column. Increasing the contact area of ​​the single pile is beneficial to improving the stability of the single pile. The structural characteristics of the guide block allow seawater to flow away from the top when scouring and at the same time give the guide block a ground pressure, which is beneficial to improving the grip of the single pile.

[0008] Further preferably, a plurality of pressure pipes are fixedly connected to the bottom of the guide block. This single pile foundation anti-scour structure, by adding a flip component, can lower the guide block through the hinged rotatable structure of the support column and the fixed axis when the single pile is driven in. It can be adjusted within a certain range according to the different depths of the single pile driven in to ensure that the guide block contacts the ground support column and the support column. Increasing the contact area of ​​the single pile is beneficial to improving the stability of the single pile. The structural characteristics of the guide block allow seawater to flow away from the top when scouring and at the same time give the guide block a ground pressure, which is beneficial to improving the grip of the single pile.

[0009] Further preferably, a conical column is fixedly connected to the bottom of the square block. This single pile foundation anti-scour structure, by adding the conical column, makes it easier for the single pile to be driven deep into the ground, which is beneficial to improving the anti-scour ability of the single pile and improving the stability of the single pile.

[0010] Compared with the prior art, the utility model has the following beneficial effects:

[0011] In the utility model, the anti-scour structure of the single pile foundation is lowered by adding a stretching component. When the column is lowered, the fixed anchor is also lowered. At the same time, the pneumatic cylinder drives the pneumatic rod to press downward, and the connecting block fixedly connected to the pneumatic rod will shrink downward with the chain. Due to the special structure of the fixed anchor, when the chain shrinks, the fixed anchor is moved laterally by the lateral force and then inserted into the seabed and is pulled tighter and tighter to finally form a hinged fixation on the column. When encountering wind and waves, the fixed anchor will stabilize the top of the column, which is beneficial to improving the stability of the single pile.

[0012] In the utility model, the anti-scour structure of the single pile foundation is equipped with a flip assembly. When the single pile is driven down, the guide block is lowered through the hinged rotatable structure of the support column and the fixed shaft. The guide block can be adjusted within a certain range according to the different depths of the single pile driven in, so as to ensure that the guide block contacts the ground support column and the support column. Increasing the contact area of ​​the single pile is beneficial to improving the stability of the single pile. The structural characteristics of the guide block allow seawater to flow away from the top when scouring, and at the same time, a ground pressure is given to the guide block, which is beneficial to improving the grip of the single pile.

[0013] In the utility model, the anti-scour structure of the single pile foundation makes it easier to drive the single pile deep into the ground by adding a conical column, which is beneficial to improving the anti-scour capability of the single pile and improving the stability of the single pile. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The overall three-dimensional structure of the utility model is shown in FIG. Figure 1 ;

[0015] Figure 2 The overall three-dimensional structure of the utility model is shown in FIG. Figure 2 ;

[0016] Figure 3 For this utility model Figure 2 A magnified detail in the middle;

[0017] Figure 4 This is a schematic diagram of the local three-dimensional structure of the utility model Figure 1 ;

[0018] Figure 5 This is a schematic diagram of the local three-dimensional structure of the utility model Figure 2 .

[0019] In the figure: 1. column; 2. stretching component; 3. flip component; 4. tapered column; 201. fixed pipe; 202. pneumatic cylinder; 203. pneumatic rod; 204. connecting block one; 205. chain; 206. connecting block two; 207. fixed anchor; 208. opening; 209. slide; 210. groove; 301. square block; 302. fixed block; 303. fixed shaft; 304. support column; 305. guide block; 306. pressing pipe. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technical personnel in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1 - Figure 5 A single pile foundation anti-scour structure comprises a column 1, a tensile assembly 2 is arranged on the top of the column 1, the tensile assembly 2 comprises a fixed pipe 201, the fixed pipe 201 is fixedly connected to the top of the column 1, a pneumatic cylinder 202 is fixedly connected inside the fixed pipe 201, a pneumatic rod 203 is fixedly connected to the driving end of the pneumatic cylinder 202, a connecting block 1 204 is fixedly connected to the bottom end of the pneumatic rod 203, a chain 205 is movably connected to the opposite side of the connecting block 1 204, a connecting block 206 is movably connected to the bottom end of the chain 205, a fixed anchor 207 is fixedly connected to the other side of the connecting block 206, two openings 208 are provided on the side surface of the fixed pipe 201, two slide grooves 209 are provided on the top of the column 1, and a groove 210 is provided on the top of the column 1.

[0022] In this embodiment, Figure 1 , Figure 2 and Figure 3 As shown, a flip assembly 3 is fixedly connected to the bottom of the column 1 . The flip assembly 3 includes a square block 301 . The square block 301 is fixedly connected to the bottom end of the column 1 .

[0023] In this embodiment, Figure 1 , Figure 2 and Figure 3 As shown, the side surfaces of the square block 301 are fixedly connected to the fixing block 302 , and one side of the fixing block 302 is fixedly connected to the fixing shaft 303 .

[0024] In this embodiment, Figure 1 , Figure 2 and Figure 3As shown, a support column 304 is movably connected to the side surface of the fixed shaft 303 , and a guide block 305 is fixedly connected to the other end of the support column 304 .

[0025] In this embodiment, Figure 1 , Figure 2 and Figure 3 As shown, a plurality of pressure pipes 306 are fixedly connected to the bottom of the guide block 305 .

[0026] In this embodiment, Figure 1 As shown, a conical column 4 is fixedly connected to the bottom of the square block 301 .

[0027] The use method and advantages of the utility model: When the single pile foundation anti-scour structure is used, the working process is as follows:

[0028] In this embodiment, Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, because the pneumatic cylinder 202 is fixed inside the fixed tube 201, the pneumatic rod 203 is pressed down by the pneumatic cylinder 202. Since the bottom end of the pneumatic rod 203 is fixedly connected to the connecting block 1 204, the connecting block 1 204 will also move downward. Moreover, because the two sides of the connecting block 1 204 are movably connected to the chain 205, the chain 205 will move along the slide groove 209 opened at the top of the column 1 to the inside of the groove 210. Since the length of the chain 205 is certain, the chain 205 will shrink. Since the end of the chain 205 is fixedly connected to the connecting block 206, and the connecting block 206 is fixedly connected to the fixed anchor 207, due to the special structure of the fixed anchor 207, when the chain 205 shrinks, the fixed anchor 207 will sink into the soil and be pulled deeper and deeper until a hinged support is formed for the column 1, thereby stably supporting the top of the column 1.

[0029] The above shows and describes the basic principle, main features and advantages of the utility model. Technical staff in this industry should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A single pile foundation anti-scour structure, comprising a column (1), characterized in that: A stretching assembly (2) is arranged at the top of the column (1), and the stretching assembly (2) comprises a fixed tube (201), the fixed tube (201) is fixedly connected to the top of the column (1), a pneumatic cylinder (202) is fixedly connected inside the fixed tube (201), a pneumatic rod (203) is fixedly connected to the driving end of the pneumatic cylinder (202), a connecting block 1 (204) is fixedly connected to the bottom end of the pneumatic rod (203), a chain (205) is movably connected to the opposite side of the connecting block 1 (204), a connecting block 2 (206) is movably connected to the bottom end of the chain (205), a fixed point anchor (207) is fixedly connected to the other side of the connecting block 2 (206), two openings (208) are provided on the side surface of the fixed tube (201), two sliding grooves (209) are provided at the top of the column (1), and a groove (210) is provided at the top of the column (1).

2. The single pile foundation anti-scour structure according to claim 1, characterized in that: The bottom of the column (1) is fixedly connected to a flip assembly (3), wherein the flip assembly (3) comprises a square block (301), and the square block (301) is fixedly connected to the bottom end of the column (1).

3. The single pile foundation anti-scour structure according to claim 2, characterized in that: The side surfaces of the square blocks (301) are fixedly connected to fixed blocks (302), and one side of the fixed blocks (302) is fixedly connected to a fixed shaft (303).

4. The single pile foundation anti-scour structure according to claim 3, characterized in that: The side surface of the fixed shaft (303) is movably connected to a support column (304), and the other end of the support column (304) is fixedly connected to a guide block (305).

5. The single pile foundation anti-scour structure according to claim 4, characterized in that: A plurality of pressure pipes (306) are fixedly connected to the bottom of the guide block (305).

6. The single pile foundation anti-scour structure according to claim 2, characterized in that: A conical column (4) is fixedly connected to the bottom of the square block (301).

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