Threaded ground anchor for highway slopes
By introducing a guide cylinder and support structure into the threaded pile, the problem of pile sinking on soft slopes was solved, the bearing capacity of the threaded pile was improved, and the stable installation of photovoltaic panels and safety railings was ensured.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- WEIHAI LIDAER MACHINERY
- Filing Date
- 2025-08-15
- Publication Date
- 2026-07-07
AI Technical Summary
Traditional threaded piles are susceptible to lateral loads on soft highway slopes, causing the piles to sink and affecting the installation stability of photovoltaic panels and safety railings.
A threaded pile consisting of a guide cylinder and a support base was designed. The guide cylinder and the support base form a support structure. The angle adjustment mechanism is used to coordinate with the slope inclination. The pile is fixed to the soil layer by a fixed pile. The guide cylinder transfers the vertical load to the support base, which improves the bearing capacity of the pile and prevents it from sinking.
It effectively prevents pile subsidence, improves the bearing capacity of threaded piles, and ensures the stable installation of photovoltaic panels and safety railings.
Smart Images

Figure CN224468361U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of ground pile technology, and in particular to a threaded ground pile for highway slopes. Background Technology
[0002] To make full use of the sunlight resources on highway slopes, many photovoltaic power generation projects choose to install photovoltaic panels on the sunny slopes of highways. At the same time, safety guardrails are installed on the aforementioned highway slopes as threaded piles to replace concrete foundations. This method has been applied in the construction projects of the aforementioned safety guardrails and photovoltaic panels.
[0003] Existing threaded ground piles are drilled into the soil through helical blades on the outside of the pile body and connected to safety guardrails or photovoltaic panel supports through connecting seats at the top of the pile body. However, since the soil layer along the highway is relatively soft and easily affected by lateral loads, traditional threaded ground piles only bear vertical loads through helical blades. Their application on highway slopes will be accompanied by the risk of pile body sinking, which will affect the installation stability of photovoltaic panels and safety guardrails. Utility Model Content
[0004] To address the shortcomings of the existing technology, this utility model provides a threaded pile for highway slopes, which is designed to match the slope of the highway slope and prevent the pile from sinking.
[0005] The technical solution of this utility model is as follows: a threaded pile for highway slopes, comprising a pile body, a connecting seat fixed at one end of the pile body as a bearing foundation, and a helical blade fixed on the outer side of the other end of the pile body. It also includes a guide cylinder and two support seats symmetrically arranged on the outer side of the guide cylinder. The guide cylinder has an inner cavity for the helical blade to freely enter and exit, and a pressure-bearing part on the guide cylinder that abuts against the connecting seat. The support seats are connected to the guide cylinder via an angle adjustment mechanism, and a fixing pile for insertion into the soil layer is fixed at the bottom of the support seats. The guide cylinder and the support seats together form a support structure fixed at the slope anchoring point. The support seats are coordinated with the slope gradient through an angle adjustment mechanism and fixed to the slope soil layer by the fixing piles. The guide cylinder is vertically arranged on the slope. The pile body is drilled into the soil layer along the inner cavity of the guide cylinder until it contacts the pressure-bearing part of the guide cylinder. The guide cylinder transfers the vertical load of the pile body to the support seats, thereby improving the bearing capacity of the pile body and effectively preventing pile subsidence.
[0006] The support base includes a connecting plate and a support plate arranged perpendicularly to each other. The middle part of the connecting plate is connected to the guide cylinder, and the two ends of the connecting plate are bent in a direction away from the guide cylinder to form a reinforcing plate. The support plate is fixed below the connecting plate and the reinforcing plate.
[0007] Each of the aforementioned support bases has two fixing piles, which are respectively fixed to both ends of the support plate.
[0008] The angle adjustment component includes a connecting bolt and a connecting nut. The guide cylinder has a first connecting hole, and the connecting plate has a second connecting hole. The connecting nut passes through the first connecting hole and the second connecting hole in sequence and then engages with the connecting nut.
[0009] The outer side of the guide cylinder has a first plane, and the connecting plate contacts the surface of the guide cylinder through the first plane.
[0010] The inner side of the guide cylinder has a second plane, and the head of the connecting bolt contacts the surface of the guide cylinder through the second plane.
[0011] The lower outer side of the guide cylinder has an outer conical surface, which is gradually tapered from top to bottom.
[0012] The device includes an adjusting cylinder, wherein the upper outer side of the guide cylinder is provided with an external thread, the inner side of the adjusting cylinder is provided with an internal thread that mates with the external thread, and the top of the adjusting cylinder forms the pressure-bearing part.
[0013] In summary, the present invention has the following main advantages:
[0014] This utility model incorporates a guide cylinder and a support base, which together form a support structure fixed at the anchoring point on the slope. The support base is adjusted to match the slope's inclination via an angle adjustment mechanism and fixed to the slope soil layer via fixed piles. The guide cylinder is vertically positioned on the slope, and the pile body is drilled into the soil layer along the inner cavity of the guide cylinder until it contacts the bearing part of the guide cylinder. The guide cylinder transfers the vertical load of the pile body to the support base, thereby improving the pile body's bearing capacity and effectively preventing the pile body from sinking. Attached Figure Description
[0015] Figure 1 This is a schematic diagram of the structure of this utility model;
[0016] Figure 2 This is a schematic diagram of the present invention installed on a highway slope;
[0017] Figure 3 This is a partial cross-sectional schematic diagram of the present invention;
[0018] Figure 4 This is a disassembly diagram of the guide cylinder, adjusting cylinder, support base and angle adjusting component in this utility model;
[0019] Figure 5 This is a schematic diagram showing the connection of the guide cylinder, adjusting cylinder, support base and angle adjusting component in this utility model.
[0020] Reference numerals: 1. Pile body; 101. Helical blade; 102. Connecting seat; 103. Mounting hole; 2. Guide cylinder; 201. First plane; 202. Second plane; 203. Outer conical surface; 204. External threaded part; 3. Support seat; 301. Connecting plate; 302. Support plate; 303. Reinforcing plate; 304. Second connecting hole; 4. Angle adjusting component; 401. Connecting bolt; 402. Connecting nut; 403. Metal round washer; 5. Adjusting cylinder; 501. Multifaceted surface; 6. Fixed pile. Detailed Implementation
[0021] The technical solutions of the present utility model will be described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.
[0022] In the following description, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, a feature defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.
[0023] Furthermore, in this utility model, directional terms such as "upper," "lower," "left," and "right" may be defined relative to the orientation of the components shown in the accompanying drawings. It should be understood that these directional terms can be relative concepts, used for relative description and clarification, and can change accordingly based on the orientation of the components in the accompanying drawings.
[0024] like Figure 1 and Figure 2 As shown, this utility model provides a threaded pile for highway slopes, including a pile body 1. One end of the pile body 1 is fixed with a connecting seat 102 as a bearing foundation, and the other end of the pile body 1 is fixed with a spiral blade 101. Specifically, the connecting seat 102 is a mounting flange, which is welded and fixed to the upper end of the pile body 1. The mounting flange has multiple mounting holes 103, each of which is an arc-shaped mounting hole 103 arranged radially along the center of the mounting flange. Each arc-shaped mounting hole 103 is concentric with the center of the pile body 1 and is used to connect with the flange at the output end of a drilling rig or to the mounting body such as a safety guardrail or a photovoltaic panel bracket. The arc-shaped mounting holes 103 also facilitate the angle adjustment of the upper bracket.
[0025] The aforementioned threaded pile also includes a guide cylinder 2 and two support seats 3 symmetrically arranged on the outside of the guide cylinder 2. The guide cylinder 2 has an inner cavity for the spiral blade 101 to freely enter and exit. The guide cylinder 2 has a pressure-bearing part that abuts against the connecting seat 102. The support seats 3 are connected to the guide cylinder 2 via an angle adjustment mechanism, and a fixing pile 6 for insertion into the soil layer is fixed at the bottom of the support seat 3. The guide cylinder 2 and the support seats 3 are connected to form a support structure fixed at the slope anchoring (threaded pile installation) location. Through the angle adjustment mechanism between the two, the support seats 3 are matched with the slope inclination and fixed to the slope soil layer by the fixing pile 6. At the same time, the guide cylinder 2 is vertically set on the slope, and the pile body 1 is drilled into the soil layer along the inner cavity of the guide cylinder 2 until it contacts the pressure-bearing part of the guide cylinder 2. The photovoltaic panel bracket or safety guardrail is installed on the pile body 1 and generates a vertical load on the pile body 1. The vertical load is transmitted from the guide cylinder 2 to the support seat 3, thereby improving the bearing capacity of the pile body 1 and effectively preventing the pile body 1 from sinking.
[0026] like Figure 2 As shown, the fixed pile 6 is a fixed plate with a pointed tip fixed below the support base 3. In this embodiment, a triangular plate is used, with the pointed tip inserted downwards into the soil layer to anchor the support plate 302. When the support plate 302 is tilted and the guide cylinder 2 is vertically positioned, the lower end of the guide cylinder 2 protruding from the support plate 302 will be inserted into the soil layer at the corresponding position. To facilitate the fixing of this part of the guide cylinder 2 in the soil layer, as shown... Figure 4 As shown, the lower outer side of the guide cylinder 2 has an outer conical surface 203, which is gradually tapered from top to bottom. The guide cylinder 2 is inserted into the soil layer by applying downward force through the outer conical surface 203.
[0027] More preferably, the support base 3 includes a connecting plate 301 and a support plate 302 arranged perpendicularly to each other. The middle part of the connecting plate 301 is connected to the guide cylinder 2. The two ends of the connecting plate 301 are bent in a direction away from the guide cylinder 2 to form reinforcing plates 303. The support plate 302 is fixed below the connecting plate 301 and the reinforcing plate 303. The bottom of the support plate 302 forms a support surface that contacts the slope. The side bending design of the reinforcing plate 303 increases the support surface area of the connected support plate 302 and improves the support strength of the support base 3. Each support base 3 has two fixing piles 6, which are respectively fixed at both ends of the support plate 302.
[0028] The angle adjusting component 4 includes a connecting bolt 401 and a connecting nut 402. The guide cylinder 2 has a first connecting hole, and the connecting plate 301 has a second connecting hole 304. The connecting nut 402 passes through the first connecting hole and the second connecting hole 304 in sequence and is then connected to the connecting bolt 402. More preferably, in order to improve the clamping effect of the connecting nut 402 on the connecting plate 301 after the connecting bolt 401 is tightened, a metal round washer 403 is also provided between the connecting nut 402 and the connecting plate 301.
[0029] This threaded pile also includes an adjusting cylinder 5. The upper outer side of the guide cylinder 2 is provided with an external thread 204, and the inner side of the adjusting cylinder 5 is provided with an internal thread that mates with the external thread 204. The top of the adjusting cylinder 5 forms the pressure-bearing part. The adjusting cylinder 5 can adjust the length of the guide cylinder 2 to adapt to different heights of the pile body 1 exposed above the soil layer due to the slope terrain. This ensures that, within a certain area, when the connecting seat 102 at the top of the required pile body 1 is aligned, the pressure-bearing part of the adjusting cylinder 5 on the outer side of the pile body 1 is in contact with the bottom of the connecting seat 102. If there are significant differences in the height of the pile body 1 exposed above the soil layer between different areas due to large terrain differences, adjusting seats of different lengths can be selected to meet the requirement of aligning the connecting seat 102.
[0030] Furthermore, in order to facilitate the rotation and adjustment of the aforementioned adjusting cylinder 5, the outer side of the adjusting cylinder 5 is formed with a polygonal surface 501.
[0031] like Figure 3 and Figure 5 As shown, the guide cylinder 2 has a first plane 201 on its outer side, and the connecting plate 301 contacts the guide cylinder 2 surface-to-surface via the first plane 201; the guide cylinder 2 has a second plane 202 on its inner side, and the head of the connecting bolt 401 contacts the guide cylinder 2 surface-to-surface via the second plane 202. By providing the first plane 201 and the second plane 202 on the outer and inner walls of the guide cylinder 2, the contact area between the connecting plate 301 and the guide cylinder 2, and between the head of the connecting bolt 401 and the guide cylinder 2, is increased when the connecting nut 402 and the connecting bolt 401 are tightened and fixed, thereby improving the stability of the support base 3 and the guide cylinder 2 after angle adjustment.
[0032] To implement the above technical solution, select the anchoring points for the threaded piles on the roadside slope where construction is required, and place the guide cylinder 2, pre-connected with the support seat 3, at each anchoring point. Figure 2As shown, the fixed pile 6 at the bottom of the support base 3 is inserted into the soil layer, and the support surface at the bottom of the support base 3 is compacted and in contact with the soil surface. At the same time, the outer conical surface 203 at the bottom of the guide cylinder 2 is inserted into the soil layer and the guide cylinder 2 is kept vertical. The connecting nut 402 is tightened to complete the fixation of the support structure. The pile body 1 is inserted into the slope soil layer through the inner cavity of the guide cylinder 2. As the drilling rig rotates, the spiral blade 101 drives the pile body 1 to rotate into the soil layer to the required installation height. The adjusting cylinder 5 is rotated until the pressure bearing part at the upper end of the adjusting cylinder 5 contacts the bottom of the connecting seat 102. As the adjusting cylinder 5 rotates further, the pressure bearing part and the connecting seat 102 are in close contact. At this time, the support base 3 forms the external support structure of the pile body 1. When the safety guardrail or photovoltaic panel bracket is fixed on the connecting seat 102, the support base 3 shares the load from the vertical, thereby preventing the pile body 1 from sinking.
[0033] The above description is merely a preferred embodiment of this utility model and is not intended to limit the scope of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the principles of this utility model should be included within the protection scope of this utility model.
Claims
1. A threaded pile for highway slope protection, comprising a pile body, wherein one end of the pile body is fixed with a connecting seat serving as a load-bearing foundation, and the other end of the pile body is fixed with a helical blade, characterized in that... It also includes a guide cylinder and two support seats symmetrically arranged on the outside of the guide cylinder. The guide cylinder has an inner cavity for the spiral blades to move freely in and out. The guide cylinder has a pressure-bearing part that abuts against the connecting seat. The support seats are connected to the guide cylinder via an angle adjustment component, and a fixing pile for insertion into the soil layer is fixed at the bottom of the support seats.
2. The threaded ground pile for highway slopes according to claim 1, characterized in that, The support base includes a connecting plate and a support plate arranged perpendicularly to each other. The middle part of the connecting plate is connected to the guide cylinder, and the two ends of the connecting plate are bent in a direction away from the guide cylinder to form a reinforcing plate. The support plate is fixed below the connecting plate and the reinforcing plate.
3. The threaded ground pile for highway slopes according to claim 2, characterized in that, Each of the aforementioned support bases has two fixing piles, which are respectively fixed to both ends of the support plate.
4. The threaded pile for highway slopes according to claim 2 or 3, characterized in that, The angle adjustment component includes a connecting bolt and a connecting nut. The guide cylinder has a first connecting hole, and the connecting plate has a second connecting hole. The connecting nut passes through the first connecting hole and the second connecting hole in sequence and then engages with the connecting nut.
5. The threaded ground pile for highway slopes according to claim 4, characterized in that, The outer side of the guide cylinder has a first plane, and the connecting plate contacts the surface of the guide cylinder through the first plane.
6. The threaded ground pile for highway slopes according to claim 4, characterized in that, The inner side of the guide cylinder has a second plane, and the head of the connecting bolt contacts the surface of the guide cylinder through the second plane.
7. The threaded pile for highway slopes according to any one of claims 1-3, characterized in that, The lower outer side of the guide cylinder has an outer conical surface, which is gradually tapered from top to bottom.
8. The threaded pile for highway slopes according to any one of claims 1-3, characterized in that, The device includes an adjusting cylinder, wherein the upper outer side of the guide cylinder is provided with an external thread, the inner side of the adjusting cylinder is provided with an internal thread that mates with the external thread, and the top of the adjusting cylinder forms the pressure-bearing part.