Novel ground anchor for geotechnical engineering

Abstract

The utility model discloses a novel ground anchor for geotechnical engineering, which belongs to the field of ground anchors for geotechnical engineering, and is characterized in that a rotating head is connected to a hole in the side wall of a connecting anchor rod through a rotating shaft, a side rod is connected to the upper end of the rotating head, a clamping cavity is formed between the connecting anchor rod and an outer anchor rod, the side rod is accommodated in the clamping cavity, and an arc-shaped elastic sheet is connected to the bottom of the inner wall of the side rod; the side rods extrude the rubber blocking strips through the arc-shaped elastic pieces to stretch out of the outer anchor rod, and the side rods stretching out of the outer anchor rod are embedded into geotechnical engineering. When the side rods are stored, the edge of the opening of the outer anchor rod is used for limiting, and the arc-shaped elastic pieces are curled and stored in the side rods and the connecting anchor rod. According to the novel ground anchor for geotechnical engineering, flexible operation of the side rod is achieved through the rotating head, and the side rod can easily stretch out of or be contained in the clamping cavity according to actual needs. Due to the characteristic, an operator can easily deal with rock-soil layers with different depths and densities, and it is ensured that the ground anchor can play an excellent fixing role in various geotechnical engineering environments.

Description

Technical Field

[0001] The utility model relates to the field of geotechnical engineering ground anchors, in particular to a new type of ground anchor for geotechnical engineering. Background Art

[0002] Geotechnical engineering ground anchor is an important fixing device. It is buried in the soil or rock layer and uses the force of the ground or underground structure to effectively absorb the horizontal load and pull-out force of the soil or rock. The ground anchor is mainly composed of long steel bars, consolidation materials (such as concrete, epoxy resin, etc.) and anchor rods, and plays a wide range of roles in urban construction and underground engineering.

[0003] In geotechnical engineering practice, the application of ground anchors is of great significance to ensure the stability and safety of engineering structures. However, there are still some problems in the actual use of ground anchors, especially the difficulty of side horizontal rod fixing design that cannot be stored and difficult to nail into the ground. These problems have affected the efficiency and effect of the project to a certain extent.

[0004] First, the anchor's side transverse rod fixing design makes it difficult to store the anchor when it is idle, which not only takes up a lot of storage space, but also may interfere with other construction operations. This not only increases management costs, but may also have an adverse impact on the overall layout and efficiency of the construction site.

[0005] Secondly, the problem of difficulty in nailing into the ground also needs to be solved urgently. Due to the fixed design of the horizontal rod on the side of the anchor, it may encounter greater resistance when nailing into the ground, increasing the difficulty and time cost of construction. This not only affects the construction efficiency, but may also have a potential negative impact on the quality of the project.

[0006] Therefore, in response to these problems, we need to further optimize and improve the design of ground anchors to improve their storage convenience and reduce the difficulty of nailing them into the ground, so as to ensure the effective application of ground anchors in geotechnical engineering. Utility Model Content

[0007] The main purpose of the utility model is to provide a new type of ground anchor for geotechnical engineering, which can effectively solve the problems raised in the background technology.

[0008] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0009] A new type of ground anchor for geotechnical engineering, comprising an outer anchor rod and a connecting anchor rod, wherein the connecting anchor rod is inserted into a tube of the outer anchor rod, a plurality of through grooves on the side wall of the outer anchor rod are provided with rubber plugging strips, a handle is provided at the upper end of the connecting anchor rod, a rotating head is connected to a rotating shaft at the opening of the side wall of the connecting anchor rod, a side rod is connected to the upper end of the rotating head, a clamping cavity is formed between the connecting anchor rod and the outer anchor rod, the side rod is accommodated in the clamping cavity, an arc-shaped elastic sheet is connected to the bottom of the inner wall of the side rod, the side rod squeezes the rubber plugging strip through the arc-shaped elastic sheet and extends out of the outer anchor rod, and the side rod extending out of the outer anchor rod is embedded in the geotechnical engineering;

[0010] When the side rods are stored, the opening edge of the outer anchor rod is used for restriction, and the arc-shaped elastic sheet is curled and stored in the side rods and the connecting anchor rods.

[0011] In a further preferred embodiment, the lower end opening of the connecting anchor rod is connected to a connecting head, and a drill bit is provided at the lower end of the connecting head, and the connecting head is connected to the connecting anchor rod by threads;

[0012] In a further preferred embodiment, the plurality of openings on the outer anchor rod are equidistantly distributed, and the openings in the same row are opposite to each other in pairs, and the lower end of the rubber plugging strip is connected to the opening of the outer anchor rod, and the upper end of the rubber plugging strip is inserted into the opening of the outer anchor rod;

[0013] In a further preferred embodiment, the connecting anchor rod is composed of a stepped tube and a threaded tube, and a plurality of stepped tubes are stacked. The threaded tube is located at the top of the stepped tube and is threadedly connected to the outer anchor rod through the threaded tube. The rotating head is installed in the side groove of the stepped tube.

[0014] In a further preferred embodiment, the rotating head, the rotating shaft and the side rod are designed as one body, and the rotating shaft is embedded in the opening of the connecting anchor rod, the edge of the rotating head is designed in an arc shape, and the cross-section of the side rod and the rotating head is designed in an "L" shape;

[0015] In a further preferred embodiment, the cross section of the arc-shaped elastic piece is designed to be "C"-shaped, and the arc-shaped elastic piece is welded and fixed on the side rod, and the arc-shaped elastic piece is made of elastic metal material.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] In the utility model, the design of this ground anchor is ingenious, mainly reflected in the ingenious combination of the side rod and the arc-shaped elastic sheet. When the side rod extends outward, the arc-shaped elastic sheet can cleverly push the rubber plugging strip to protrude from the opening of the outer anchor rod and tightly embed into the rock and soil. This design significantly increases the contact area between the ground anchor and the rock and soil, thereby greatly improving the stability and fixing effect of the ground anchor, and effectively preventing the loosening or displacement problems that may occur during use.

[0018] In addition, the side rod can be flexibly operated through the rotating head, and can be easily extended or stored in the clamp cavity according to actual needs. This feature enables operators to easily deal with rock layers of different depths and densities, ensuring that the anchor can play an excellent fixing role in various geotechnical engineering environments.

[0019] The design of the rotating head makes the operation extremely simple and quick. The operator can control the extension and retraction of the side rods with a simple rotation. At the same time, the threaded connection between the connecting head and the connecting anchor rod is not only convenient for replacement and maintenance, but also significantly improves the construction efficiency.

[0020] When not in use, the side rods can be stored in the clamp cavity, making the entire anchor structure compact, occupying little space, and convenient for transportation and storage. The arc-shaped elastic sheet is made of high-quality elastic metal material, has good elasticity and recovery, and can be used repeatedly without being easily damaged. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0022] Figure 2 It is a structural sectional view of the utility model;

[0023] Figure 3 It is a structural cross-sectional view of the utility model;

[0024] Figure 4 for Figure 2 Enlarged schematic diagram at point A in the middle.

[0025] In the figure: 1. outer anchor rod; 2. rubber plugging strip; 3. connecting anchor rod; 4. handle; 5. clamping cavity; 6. rotating head; 7. rotating shaft; 8. side rod; 9. arc-shaped elastic sheet; 10. connecting head; 11. drill bit. DETAILED DESCRIPTION

[0026] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0027] like Figure 1 - Figure 4 As shown, a new type of ground anchor for geotechnical engineering includes an outer anchor rod 1, a rubber plugging strip 2, a connecting anchor rod 3, a handle 4, a clamping cavity 5, a rotating head 6, a rotating shaft 7, a side rod 8, an arc-shaped elastic sheet 9, a connecting head 10 and a drill bit 11.

[0028] Let's focus on the structural design of the outer anchor rod 1. A pipe is designed inside the outer anchor rod 1 for inserting the connecting anchor rod 3. There are multiple openings evenly distributed on the side wall of the outer anchor rod 1, and these openings are opposite to each other to form a symmetrical structure. The lower end of the rubber plugging strip 2 is connected to these openings, and the upper end is inserted into the opening of the outer anchor rod 1 to play a sealing and fixing role.

[0029] Next, we focus on the structure of the connecting anchor 3. The connecting anchor 3 consists of two parts: a stepped tube and a threaded tube. Multiple stepped tubes are stacked to increase the structural strength of the connecting anchor 3. The threaded tube is located at the top of the stepped tube and is connected to the pipe of the outer anchor 1 through threads. This design allows the connecting anchor 3 to be easily inserted and fixed in the outer anchor 1.

[0030] A rotating head 6 is installed at the opening of the side wall of the connecting anchor rod 3 through a rotating shaft 7. The rotating head 6, the rotating shaft 7 and the side rod 8 are designed as an integrated whole, making the structure more compact and stable. The rotating shaft 7 is embedded in the opening of the connecting anchor rod 3, so that the rotating head 6 can rotate freely. The edge of the rotating head 6 is designed in an arc shape, which is convenient for manual operation. The cross section of the side rod 8 and the rotating head 6 is designed in an "L" shape, so that the side rod 8 can be extended when needed and stored in the clamping cavity 5 when not needed.

[0031] The clamping cavity 5 is a space formed between the connecting anchor rod 3 and the outer anchor rod 1, and is used to receive the side rod 8. When the side rod 8 is received in the clamping cavity 5, it is restricted by the opening edge of the outer anchor rod 1 and maintains a stable state.

[0032] The bottom of the inner wall of the side rod 8 is connected with an arc-shaped elastic sheet 9. The cross section of the arc-shaped elastic sheet 9 is designed in a "C" shape, and is made of elastic metal material with good elasticity and recovery. When the side rod 8 needs to be extended, the side rod 8 is extended from the clamping cavity 5 through the operation of the rotating head 6, and the arc-shaped elastic sheet 9 is squeezed, so that the rubber plugging strip 2 is extended from the opening of the outer anchor rod 1. In this way, the side rod 8 and the extended rubber plugging strip 2 can be embedded in the geotechnical engineering together to play a role of fixing and stabilizing.

[0033] In addition, the lower end of the connecting anchor rod 3 is also connected to a connecting head 10, and the lower end of the connecting head 10 is provided with a drill bit 11. The connecting head 10 is connected to the connecting anchor rod 3 by a thread, so that the connecting head 10 can be easily replaced or repaired. The drill bit 11 is used to drill holes in geotechnical engineering so as to fix the ground anchor in the rock and soil.

[0034] Usage process: The operator holds the handle 4 to ensure the overall stability of the anchor. Then, by rotating the drill bit 11, a suitable hole is drilled in the geotechnical engineering by utilizing the rotation and impact force of the drill bit 11.

[0035] Then, the drill bit 11 is taken out of the hole, and the lower end of the connecting anchor rod 3 is aligned with the hole opening. At this time, the operator rotates the rotating head 6 on the connecting anchor rod 3 to extend the side rod 8 from the clamping cavity 5. During the extension of the side rod 8, the arc-shaped elastic sheet 9 is squeezed, and the rubber plugging strip 2 is pushed out of the opening of the outer anchor rod 1.

[0036] As the side rod 8 continues to extend, the rubber plugging strip 2 is gradually unfolded and embedded in the rock and soil, increasing the contact area and friction between the anchor and the rock and soil. At this time, the operator can feel a certain resistance, indicating that the rubber plugging strip 2 has been effectively embedded in the rock and soil.

[0037] Next, the operator continues to push the connecting anchor rod 3 downwards, so that the connecting head 10 and the drill bit 11 also enter the hole. When the connecting head 10 reaches the bottom of the hole, the operator stops pushing and rotates the connecting head 10 to make it in close contact with the rock and soil.

[0038] By rotating the threaded pipe on the outer anchor rod 1, it is tightly connected with the step pipe connected to the anchor rod 3. In this way, the entire ground anchor is fixed in the rock soil.

[0039] During use, the operator can adjust the extension length of the side rod 8 and the embedding depth of the rubber plugging strip 2 as needed to adapt to different geotechnical engineering environments and requirements. In addition, since the connector 10 and the drill bit 11 can be replaced through threads, drill bits 11 of different specifications can be selected according to actual conditions to meet different drilling requirements.

[0040] It should be noted that, in this article, relational terms such as first and second (number one, number two), etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. However, the terms "include", "comprises" or any other variations are intended to cover non-exclusive inclusion, so that a process, method, article or device that includes a series of elements includes not only those elements, but also other elements that are not explicitly listed, or include elements that are inherent to such process, method, article or device. In the absence of more restrictions, the elements defined by the sentence "including one..." do not exclude the existence of other identical elements in the process, method, article or device that includes the elements.

[0041] The above shows and describes the basic principle and main features of the utility model and the 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 for explaining the principle of 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 claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A new type of ground anchor for geotechnical engineering, characterized by: The invention comprises an outer anchor rod (1) and a connecting anchor rod (3), wherein the connecting anchor rod (3) is inserted into a tube of the outer anchor rod (1), a plurality of through grooves on the side wall of the outer anchor rod (1) are provided with rubber plugging strips (2), the upper end of the connecting anchor rod (3) is provided with a handle portion (4), a rotating head (6) is connected to an opening on the side wall of the connecting anchor rod (3) via a rotating shaft (7), the upper end of the rotating head (6) is connected to a side rod (8), a clamping cavity (5) is formed between the connecting anchor rod (3) and the outer anchor rod (1), the side rod (8) is accommodated in the clamping cavity (5), an arc-shaped elastic sheet (9) is connected to the bottom of the inner wall of the side rod (8), the side rod (8) squeezes the rubber plugging strip (2) through the arc-shaped elastic sheet (9) to extend out of the outer anchor rod (1), and the side rod (8) extending out of the outer anchor rod (1) is embedded in the geotechnical engineering; When the side rod (8) is stored, it is restricted by the edge of the opening of the outer anchor rod (1), and the arc-shaped elastic sheet (9) is curled and stored in the side rod (8) and the connecting anchor rod (3).

2. A new type of ground anchor for geotechnical engineering according to claim 1, characterized in that: The lower end opening of the connecting anchor rod (3) is connected to a connecting head (10), and a drill bit (11) is provided at the lower end of the connecting head (10), and the connecting head (10) is connected to the connecting anchor rod (3) via threads.

3. A new type of ground anchor for geotechnical engineering according to claim 2, characterized in that: The plurality of openings on the outer anchor rod (1) are equidistantly distributed, and the openings in the same row are opposite to each other in pairs. The lower end of the rubber plugging strip (2) is connected to the opening of the outer anchor rod (1), and the upper end of the rubber plugging strip (2) is inserted into the opening of the outer anchor rod (1).

4. A new type of ground anchor for geotechnical engineering according to claim 3, characterized in that: The connecting anchor rod (3) is composed of a stepped tube and a threaded tube. A plurality of stepped tubes are stacked. The threaded tube is located at the top of the stepped tube and is threadedly connected to the outer anchor rod (1) via the threaded tube. The rotating head (6) is installed in a side groove of the stepped tube.

5. A new type of ground anchor for geotechnical engineering according to claim 4, characterized in that: The rotating head (6), the rotating shaft (7) and the side rod (8) are designed as an integrated whole, and the rotating shaft (7) is embedded in the opening of the connecting anchor rod (3). The edge of the rotating head (6) is designed to be arc-shaped, and the cross-sections of the side rod (8) and the rotating head (6) are designed to be "L"-shaped.

6. A new type of ground anchor for geotechnical engineering according to claim 5, characterized in that: The cross section of the arc-shaped elastic piece (9) is designed to be in a "C" shape, and the arc-shaped elastic piece (9) is welded and fixed on the side rod (8), and the arc-shaped elastic piece (9) is made of an elastic metal material.

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