Foundation pit soil body reinforcing device

Abstract

The utility model relates to the technical field of foundation pit soil body reinforcement, in particular to a foundation pit soil body reinforcement device which comprises a guide pipe, a conical head is movably installed at the bottom end of the guide pipe, an anti-blocking mechanism is arranged between the guide pipe and the conical head, and a pressing disc is arranged at the top end of the guide pipe. And a supporting plate is movably mounted at the top end of the guide pipe. The guide pipe, the conical head and the supporting plate are matched for use, the conical head is kept downward during pressing, the conical head is of a conical structure, so that when the conical head is pressed into soil, resistance is small, the discharging hole is attached to the pipe wall of the guide pipe, breakage cannot be caused, and due to the fact that the outer diameter of the conical head is larger than that of the guide pipe, the conical head is not prone to falling off. When the discharge hole is exposed, a large amount of soil does not exist on the outer side of the discharge hole, and even if a small amount of soil exists, due to the fact that the soil is chiseled, the structure is loose, and filling is more convenient.

Description

Technical Field

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

[0002] Foundation pit soil reinforcement refers to the use of a series of engineering and technical measures to reinforce the soil around the foundation pit during construction in order to ensure the stability of the foundation pit and prevent soil collapse, water seepage and other problems. These measures are aimed at improving the bearing capacity of the soil, reducing deformation, preventing soil erosion, and ensuring construction safety and the safety of the surrounding environment.

[0003] For example, a simple grouting device for strengthening foundation pit soil disclosed in the authorization announcement number CN219410822U includes a grouting conduit, a plurality of grouting holes are opened on the side wall at one end of the grouting conduit, a transport pressure hose is connected to the other end of the grouting conduit, and a grouting press is connected to the transport pressure hose. After adopting the above technical scheme, the beneficial effects of the utility model are as follows: the grouting conduit is inserted into the soil, the grouting press is injected into the grouting conduit through the transport pressure hose, and the cement slurry in the grouting conduit is injected into the soil through the grouting holes and the grouting insert, thereby completing the reinforcement of the soil, and at the same time, the method of injecting cement slurry through the grouting conduit can reduce the movement of the steel sheet pile, thereby enhancing the strength and overall bearing capacity of the soil.

[0004] Although the above patent achieves soil reinforcement by inserting a grouting conduit into the soil, the above device has several grouting inserts arranged transversely below the lower pipe. Thus, during the insertion into the soil, there is great resistance and the grouting inserts are easily broken. At the same time, the soil will block the discharge holes of the grouting inserts. Utility Model Content

[0005] The purpose of the utility model is to provide a foundation pit soil reinforcement device to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A foundation pit soil reinforcement device, comprising

[0008] A conduit, wherein a cone head is movably mounted at the bottom end of the conduit, an anti-blocking mechanism is arranged between the conduit and the cone head, and a pressure plate is arranged at the top end of the conduit;

[0009] A supporting plate is movably mounted on the top end of the conduit, and a lifting mechanism is arranged between the supporting plate and the conduit.

[0010] Preferably, the anti-blocking mechanism includes a movable groove, a discharge hole and a retaining ring, the movable groove is opened in the middle of the inner side of the cone head, the cone head is movably sleeved with the bottom end of the conduit through the movable groove, the retaining ring is arranged on the upper part of the bottom end of the conduit, and a plurality of discharge holes are regularly arranged between the bottom end of the conduit and the retaining ring;

[0011] Preferably, a feed port is further provided on one side of the top end of the conduit, and a feed trough is vertically provided on the inner side of the conduit, and the feed trough is connected with the feed port and the discharge hole;

[0012] Preferably, the lifting mechanism comprises a guide groove, a spring 1 and a limit plate, the guide groove is opened in the middle of the support plate, the guide tube is movably connected with the guide groove, a limit plate is arranged below the top end of the guide tube, and a spring 1 is arranged between the limit plate and the support plate located on the outside of the guide tube;

[0013] Preferably, a second spring is further provided below the movable groove, and the top end of the second spring is fixedly connected to the lower end surface of the conduit;

[0014] Preferably, a pair of cone rods are provided on both sides of the bottom end of the support plate.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The foundation pit soil reinforcement device is used in cooperation with a conduit, a cone head and a support plate. When pressing in, the cone head is kept facing downward. Since the cone head has a conical structure, the resistance is small when it is pressed into the soil, and the discharge hole fits on the wall of the conduit without causing breakage. Since the outer diameter of the cone head is larger than the outer diameter of the conduit, the hole groove dug when the cone head is inserted is larger than the diameter of the conduit. When the discharge hole is exposed, there will not be a large amount of soil outside the discharge hole. Even if there is a small amount of soil, the soil is dug open, so the structure is loose, which is more convenient for pouring fillers.

[0017] The foundation pit soil reinforcement device is used in cooperation with a conduit, a discharge hole, a cone head, a movable groove spring 1 and a spring 2. When the cone head is pressed into the soil, the cone head will be affected by the resistance of the soil to compress the spring 2 in the movable groove and slide upward along the outer wall of the conduit until it is blocked by a retaining ring. In this way, when the conduit penetrates into the soil layer, the discharge hole on the pipe wall at the lower end of the conduit is blocked by the cone head and will not be blocked by the soil. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall main structure of the utility model;

[0019] Figure 2 It is a schematic diagram of the overall cross-sectional structure of the utility model;

[0020] Figure 3 For this utility model Figure 2 The enlarged schematic diagram of point A in the middle;

[0021] Figure 4 For this utility model Figure 2 A magnified schematic diagram of point B in the middle.

[0022] In the figure: 1. guide tube; 2. cone head; 3. support plate; 4. movable groove; 5. discharge hole; 6. retaining ring; 7. guide groove; 8. spring 1; 9. limit plate; 10. spring 2; 11. feed port; 12. feed trough; 13. pressure plate; 14. cone rod. DETAILED DESCRIPTION

[0023] 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 technicians in this field without creative work are within the scope of protection of the utility model.

[0024] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "several" is two or more, unless otherwise clearly and specifically defined.

[0025] like Figure 1-4 As shown, a technical solution provided by the utility model:

[0026] A foundation pit soil reinforcement device comprises a conduit 1, a cone head 2 is movably mounted at the bottom end of the conduit 1, an anti-blocking mechanism is arranged between the conduit 1 and the cone head 2, the anti-blocking mechanism comprises a movable groove 4, a discharge hole 5 and a retaining ring 6, the movable groove 4 is arranged at the inner middle part of the cone head 2, the cone head 2 is movably sleeved with the bottom end of the conduit 1 through the movable groove 4, the retaining ring 6 is arranged at the upper part of the bottom end of the conduit 1, a plurality of discharge holes 5 are regularly arranged between the bottom end of the conduit 1 and the retaining ring 6, a pressure plate 13 is arranged at the top end of the conduit 1, a feed port 11 is further arranged at one side of the top end of the conduit 1, a feed trough 12 is vertically arranged at the inner side of the conduit 1, the feed trough 12 is connected with the feed port 11 and the discharge hole 5, and a pair of cone rods 14 are arranged on both sides of the bottom end of the support plate 3;

[0027] In this embodiment, when the device is used, the equipment is pressed into the soil with the assistance of an external machine. When pressing in, the cone head 2 is kept facing downward. Since the cone head 2 is a conical structure, the resistance is small when it is pressed into the soil. Moreover, the discharge hole 5 fits on the wall of the conduit 1 without causing breakage, thereby achieving the purpose of easy installation.

[0028] like Figure 3 and Figure 4 As shown, a support plate 3 is movably mounted on the top of the catheter 1, and a lifting mechanism is arranged between the support plate 3 and the catheter 1, and the lifting mechanism includes a guide groove 7, a spring 1 8 and a limit plate 9, the guide groove 7 is opened in the middle of the support plate 3, the catheter 1 is movably sleeved with the guide groove 7, a limit plate 9 is arranged below the top of the catheter 1, a spring 1 8 is arranged between the limit plate 9 and the support plate 3 located on the outside of the catheter 1, and a spring 2 10 is further arranged below the movable groove 4, and the top of the spring 2 10 is fixedly connected to the lower end surface of the catheter 1;

[0029] In this embodiment, when the cone head 2 is pressed into the soil, the cone head 2 will be affected by the resistance of the soil to compress the spring 2 10 inside the movable groove 4, and slide upward along the outer wall of the conduit 1 until it is blocked by the retaining ring 6. In this way, when the conduit 1 penetrates into the soil layer, the discharge hole 5 on the tube wall at the lower end of the conduit 1 is blocked by the cone head 2 and will not be blocked by the soil. When the cone head 2 penetrates into the specified depth, the pressure at the upper end is released. At this time, the compressed spring 2 10 and spring 1 8 rebound to control the conduit 1 to lift, exposing the discharge hole 5 on the outer wall of the lower end of the conduit 1, and then filler is poured from the position of the feed port 11. The filler enters from the feed trough 12 and is ejected from the discharge hole 5, thereby achieving the purpose of reinforcing the soil layer from the inside and preventing blockage.

[0030] Furthermore, since the outer diameter of the cone head 2 is larger than the outer diameter of the catheter 1, the hole formed when the cone head 2 is inserted is larger than the diameter of the catheter 1. When the discharge hole 5 is exposed, there will not be a large amount of soil outside the discharge hole 5. Even if there is a small amount of soil, the structure is loose because the soil is chiseled open, which makes it more convenient to pour in the filler.

[0031] Working principle: When the device is used, the device is pressed into the soil with the assistance of an external machine. When pressed in, keep the cone head 2 facing downward. Because the cone head 2 is a conical structure, the resistance is small when it is pressed into the soil, and the discharge hole 5 fits on the wall of the conduit 1 without causing breakage. When the cone head 2 is pressed into the soil, the cone head 2 is affected by the resistance of the soil and compresses the spring 10 inside the movable groove 4, and slides upward along the outer wall of the conduit 1 until it is blocked by the retaining ring 6. In this way, when the conduit 1 penetrates into the soil layer, the discharge hole 5 on the wall of the lower end of the conduit 1 is blocked by the cone head 2 and will not be blocked by the soil. When the cone head 2 After penetrating into the specified depth, the pressure on the upper end is released. At this time, the compressed spring 2 10 and spring 1 8 rebound to control the catheter 1 to lift, exposing the discharge hole 5 at the outer wall of the lower end of the catheter 1, and then the filler is poured in from the position of the feed port 11. The filler enters from the feed trough 12 and is sprayed out from the discharge hole 5 to achieve reinforcement from the inside of the soil layer. Since the outer diameter of the cone head 2 is larger than the outer diameter of the catheter 1, the hole groove dug when the cone head 2 is inserted is larger than the diameter of the catheter 1. When the discharge hole 5 is exposed, there will not be a large amount of soil outside the discharge hole 5. Even if there is a small amount of soil, because the soil is chiseled open, the structure is loose, which is more convenient for pouring fillers.

[0032] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art 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 may 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 foundation pit soil reinforcement device, characterized in that: include A conduit (1), wherein a cone head (2) is movably mounted at the bottom end of the conduit (1), an anti-blocking mechanism is arranged between the conduit (1) and the cone head (2), and a pressure plate (13) is arranged at the top end of the conduit (1); A support plate (3) is movably mounted on the top end of the conduit (1), and a lifting mechanism is provided between the support plate (3) and the conduit (1).

2. A foundation pit soil reinforcement device according to claim 1, characterized in that: The anti-blocking mechanism comprises a movable groove (4), a discharge hole (5) and a retaining ring (6); the movable groove (4) is arranged at the middle part of the inner side of the cone head (2); the cone head (2) is movably sleeved with the bottom end of the conduit (1) through the movable groove (4); the retaining ring (6) is arranged at the upper part of the bottom end of the conduit (1); and a plurality of discharge holes (5) are regularly arranged between the bottom end of the conduit (1) and the retaining ring (6).

3. A foundation pit soil reinforcement device according to claim 2, characterized in that: A feed port (11) is further provided on one side of the top end of the conduit (1), and a feed trough (12) is vertically provided on the inner side of the conduit (1), wherein the feed trough (12) is connected to the feed port (11) and the discharge hole (5).

4. The foundation pit soil reinforcement device according to claim 1, characterized in that: The lifting mechanism comprises a guide groove (7), a spring (8) and a limit plate (9); the guide groove (7) is provided in the middle of the support plate (3); the guide tube (1) is movably connected to the guide groove (7); a limit plate (9) is provided below the top end of the guide tube (1); and a spring (8) is provided between the limit plate (9) and the support plate (3) located on the outside of the guide tube (1).

5. The foundation pit soil reinforcement device according to claim 2, characterized in that: A second spring (10) is further provided below the movable groove (4), and the top end of the second spring (10) is fixedly connected to the lower end surface of the conduit (1).

6. The foundation pit soil reinforcement device according to claim 1, characterized in that: A pair of cone rods (14) are provided on both sides of the bottom end of the support plate (3).

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