Slope soil retaining and supporting mechanism for rural highway construction

Abstract

The invention relates to the technical field of rural highway construction, in particular to a slope retaining support mechanism for rural highway construction, which comprises a steel wire mesh assembly fixed on the front side surface of a slope through anchor rods, a grouting insertion pipe used for being inserted into the slope is mounted in the steel wire mesh assembly in a penetrating manner, and a sleeve plate is mounted on the outer side of the front end of the grouting insertion pipe. An outer supporting frame is installed on the outer side face of the steel wire mesh assembly, the rear ends of expansion screws in the outer supporting frame penetrate through the steel wire mesh assembly and then are inserted into the side slope, inserting frames are installed in the side faces, adjacent to the periphery of the sleeve plate, of the outer supporting frame in a slotting mode, and the inserting frames are connected with the sleeve plate in a clamped mode. According to the slope soil retaining and supporting mechanism for rural highway construction, when the outer supporting frame moves in the later period, the grouting insertion pipe cannot be driven to move together, then the slope supporting stability of the whole slope soil retaining and supporting mechanism is improved, and the situation that slope soil slides down and influences rural highway construction operation is avoided.

Description

Technical Field

[0001] The present invention relates to the technical field of rural road construction, and specifically relates to a slope retaining and supporting mechanism for rural road construction. Background Technique

[0002] Due to the particularity of the geographical environment of rural roads, it is necessary to protect the slope soil during the construction of rural roads to avoid geological disasters such as landslides, collapses, and rockfalls on the slopes. Therefore, by using a slope retaining and supporting mechanism, the slope can be protected from being damaged and eroded by natural forces, so as to ensure the quality and safety of rural road construction; For example, in the prior art, the patent with the publication number "CN114775654B" and the patent name "A Highway Slope Support Structure" discloses that through the cooperation of each water guide cavity and water guide pipe provided, it is convenient for workers to use a water pump to deliver the water required by plants to each planting groove in dry weather, which not only avoids the labor loss of manual water replenishment, but also can ensure that each plant can be replenished with water. Through the provided telescopic water guide mechanism, the nozzle can be adjusted to stretch, so that when the nozzle is not in use, the nozzle can be retracted to avoid the nozzle being eroded by external dust. At the same time, through the provided rotation control mechanism, after the nozzle extends, the nozzle can be controlled to rotate and spray, thereby improving the spraying effect of the nozzle, so that the plants in the planting groove can be better replenished with water. Through the provided water storage tank, rainwater can be collected for reuse during later water replenishment. Another example is the patent with the publication number "CN117449330A" and the patent name "A Highway Slope Support System" in the prior art, which discloses that the support pile passes through the support frame and extends into the highway subgrade. The support pile is a hollow pile structure with an open end at its tail. A top pile is inserted into the support pile. There is a movable top block on the side wall of the support pile. When the top pile is inserted into the support pile, the movable top block is pushed out radially outward along the support pile and inserted into the subgrade soil. The bottom of the support frame is provided with horizontally extending plates. There are multiple horizontally extending plates. A transverse support mechanism is provided between adjacent two horizontally extending plates. The transverse support mechanism applies an external force horizontally towards the highway subgrade to the support frame. When the movable top block structure is adopted, the process of driving the top pile into the support pile and pushing out the movable top block is made easier, avoiding the situation where the top pile is blocked and cannot be driven into the support pile due to the obstruction of hard objects such as crushed stones in the soil, improving the construction efficiency and ensuring the stability of the support frame in the subgrade.

[0003] When the slope retaining and supporting mechanism in the above-mentioned prior art is in use, the supporting pile passes through the supporting frame and extends into the highway subgrade for slope support operation. In this way, the supporting frame and the supporting pile are fixedly arranged. If the supporting frame moves during the support process, it will drive the supporting pile to move together, resulting in poor stability of the entire slope retaining and supporting mechanism for slope support. Therefore, we propose a slope retaining and supporting mechanism for rural road construction to solve the problems raised above. Summary of the Invention

[0004] The purpose of the present invention is to provide a slope retaining and supporting mechanism for rural road construction to solve the problem that in the currently available slope retaining and supporting mechanisms on the market, when in use, the supporting pile passes through the supporting frame and extends into the highway subgrade for slope support operation. In this way, the supporting frame and the supporting pile are fixedly arranged. If the supporting frame moves during the support process, it will drive the supporting pile to move together, resulting in poor stability of the entire slope retaining and supporting mechanism for slope support as mentioned in the background art.

[0005] To achieve the above purpose, the present invention provides the following technical solution: A slope retaining and supporting mechanism for rural road construction includes a wire mesh component fixed to the front side of the slope by anchor bolts. A grouting insertion pipe for inserting into the slope is installed through the inside of the wire mesh component. A sleeve plate is installed on the outer side of the front end of the grouting insertion pipe. An outer support frame is installed on the outer side of the wire mesh component. The rear end of the expansion screw inside the outer support frame passes through the wire mesh component and is inserted into the slope. Plug-in frames are installed in grooves opened on the inner sides of the outer support frame and the sleeve plate adjacent to the four sides. The plug-in frames are snap-connected with the sleeve plate.

[0006] Preferably, grooves are opened on the outer sides of the four sides of the sleeve plate, and the front side of the groove is open.

[0007] Preferably, first guide rods are symmetrically installed inside the outer support frame. The outer sides of the first guide rods are slidably connected with plug-in frames, and the plug-in frames are inserted into the grooves.

[0008] Preferably, a sliding rod is fixed inside the plug-in frame. The outer side of the sliding rod is slidably connected with a pressing plate. The pressing plate is in close contact with the sleeve plate. A fixing member is installed on one side of the plug-in frame, and a through hole is opened inside the fixing member.

[0009] Preferably, a rotating plate is installed inside the outer support frame through a rotating rod. A scroll spring is connected to the outer side above the rotating rod. One end of the rotating plate is arranged behind the expansion screw. A convex column is fixed to the outer side of the other end of the rotating plate, and the convex column is inserted into the through hole. The diameter of the through hole is larger than the diameter of the convex column.

[0010] Preferably, the outer support frame is arranged in a "well" shape.

[0011] Preferably, the outer support frame is provided in a rectangular shape with multiple modular and independent units.

[0012] Preferably, a row of horizontal plates is installed on the front side of the outer support frame.

[0013] Preferably, a fixing plate in an inverted "L" shape is fixed below the outer support frame, and a second guide rod is installed in a groove in the horizontal part of the fixing plate. A support plate is slidably connected through the outer side of the second guide rod and is arranged on the front side of the horizontal plate. The highest point of the support plate is higher than the highest point of the horizontal plate. A guide block is fixed on the front side of the support plate, and the front side of the guide block is inclined. A third guide rod is installed in a groove in the vertical part of the fixing plate. A support plate is slidably connected through the outer side of the third guide rod. An extrusion roller in contact with the guide block is connected inside the rear side of the support plate. A row of extended steel bars is fixed on the front side of the support plate.

[0014] Preferably, a return spring is nested on the outer sides of the sliding rod, the first guide rod, the second guide rod, and the third guide rod. One end of the return spring on the outer side of the first guide rod is connected to the insertion frame. One end of the return spring on the outer side of the sliding rod is connected to the extrusion plate. One end of the return spring on the outer side of the second guide rod is connected to the support plate.

[0015] Compared with the prior art, the beneficial effects of the present invention are as follows: When the outer support frame moves later in the slope retaining and supporting mechanism for rural road construction, it will not drive the grouting insertion pipe to move together, thereby improving the stability of the entire slope retaining and supporting mechanism for slope support, and avoiding the sliding of slope soil and affecting rural road construction operations. The specific content is as follows: By installing the expansion screws passing through the outer support frame into the slope, the outer support frame can be stably installed on the outer side of the slope. The outer support frame and the grouting insertion pipe are independently arranged. Therefore, when the outer support frame moves later, it will not drive the grouting insertion pipe to move together, thereby improving the stability of the entire slope retaining and supporting mechanism for slope support, and avoiding the sliding of slope soil and affecting rural road construction operations; At the same time, when the expansion screws are installed in the slope, they will push the rotating plate, causing the rotating plate to rotate around the rotating rod, so that the convex column is separated from the fixing part. Then, the return spring on the outer side of the first guide rod automatically drives the insertion frame to move outward into the corresponding groove by its stored energy. Therefore, the return spring on the outer side of the sliding rod automatically drives the extrusion plate to move backward by its stored energy, so that the extrusion plate exerts a backward thrust on the sleeve plate. Thus, the stability of the grouting insertion pipe inserted into the slope in the sleeve plate can be further improved, and the stability of the entire slope retaining and supporting mechanism for slope support can be further improved.

[0016] Through the setting of the insertion frame, it is convenient for the outer support frame and the sleeve plate to be well engaged and connected, thus facilitating the separation of the outer support frame and the sleeve plate in the later stage, so as to facilitate the replacement operation of the outer support frame or the sleeve plate; The outer support frame is designed in multiple independent modules, which is convenient for replacing a single damaged outer support frame, as well as for carrying and transporting multiple outer support frames, and facilitating the assembly operation in the later stage; During highway construction, the materials laid drive the extension steel bars to move downward automatically, so that the extension steel bars drive the extrusion rollers to move downward. The extrusion rollers apply a backward thrust to the guide blocks, thereby causing the guide blocks to drive the auxiliary plate to move backward, which is convenient for the auxiliary plate to apply a backward thrust to the cross plate and the outer support frame. Thus, the stability of the outer support frame during installation can be further improved, facilitating the improvement of the support effect of the outer support frame on the slope, and further improving the stability of the slope, further avoiding the soil on the slope from slipping and affecting the rural highway construction operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 Schematic diagram of the three-dimensional structure of Embodiment 1 of the present invention; Figure 2 Schematic diagram of the rear view structure of the wire mesh assembly of the present invention; Figure 3 Schematic diagram of the separated structure of the wire mesh assembly and the outer support frame of the present invention; Figure 4 Schematic diagram of the partial sectional structure of the outer support frame of the present invention; Figure 5 Schematic diagram of the top view structure of the insertion frame of the present invention; Figure 6 Schematic diagram of the partial sectional structure of the insertion frame of the present invention; Figure 7 Schematic diagram of the top view structure of the connection between the insertion frame and the sleeve plate of the present invention; Figure 8 For the present invention Figure 7 Enlarged structure schematic diagram at position A; Figure 9 Schematic diagram of the structure of the outer support frame in Embodiment 2 of the present invention; Figure 10 Schematic diagram of the structure of the outer support frame in Embodiment 3 of the present invention; Figure 11 Schematic diagram of the partial sectional structure of the fixing plate of the present invention.

[0018] In the figure: 1. Steel wire mesh assembly; 2. Grouting insertion pipe; 3. Sleeve plate; 31. Groove; 4. Outer support frame; 41. Horizontal plate; 5. Expansion screw; 6. Insertion frame; 61. Sliding rod; 62. Extrusion plate; 63. Fixing piece; 7. First guide rod; 8. Rotating plate; 81. Rotating rod; 82. Vortex spring; 83. Convex column; 9. Fixing plate; 10. Second guide rod; 11. Auxiliary plate; 111. Guide block; 12. Support plate; 121. Extended steel bar; 122. Extrusion roller; 13. Third guide rod. Specific implementation mode

[0019] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0020] Please refer to Figures 1-11 , the present invention provides the following technical solutions: Embodiment 1: The slope retaining and supporting mechanism for rural road construction in this embodiment improves the stability of slope support and avoids the influence of rural road construction operations caused by the sliding of slope soil. The specific structure is as shown in the attached Figures 1-8 . It includes a steel wire mesh assembly 1 fixed to the front side of the slope through an anchor rod. A grouting insertion pipe 2 for inserting into the slope is installed through the inside of the steel wire mesh assembly 1. A sleeve plate 3 is installed on the outer side of the front end of the grouting insertion pipe 2. An outer support frame 4 is installed on the outer side of the steel wire mesh assembly 1. The rear end of the expansion screw 5 inside the outer support frame 4 penetrates through the steel wire mesh assembly 1 and then inserts into the slope. Insertion frames 6 are installed in the grooves opened on the inner sides of the surrounding sides of the outer support frame 4 and the sleeve plate 3. The insertion frames 6 are snap-connected to the sleeve plate 3. Grooves 31 are opened on the outer periphery of the sleeve plate 3, and the front side of the groove 31 is open. First guide rods 7 are symmetrically installed inside the outer support frame 4. The outer sides of the first guide rods 7 are slidably connected through the insertion frames 6. The insertion frames 6 are inserted into the grooves 31. A sliding rod 61 is fixed inside the insertion frames 6. The outer side of the sliding rod 61 is slidably connected through an extrusion plate 62. The extrusion plate 62 is in close contact with the sleeve plate 3. A fixing piece 63 is installed on one side of the insertion frame 6. A through hole is opened inside the fixing piece 63. A rotating plate 8 is installed inside the outer support frame 4 through a rotating rod 81. A vortex spring 82 is connected to the outer side above the rotating rod 81. One end of the rotating plate 8 is arranged behind the expansion screw 5. A convex column 83 is fixed to the outer side of the other end of the rotating plate 8. The convex column 83 is inserted into the through hole. The diameter of the through hole is larger than the diameter of the convex column 83. The outer support frame 4 is arranged in a "well" shape.

[0021] First, a hole is drilled at a specific position of the slope by means of external drilling equipment. There are two types of holes, one is a large hole and the other is a small hole. Then, a plurality of grouting plugs 2 that penetrate through the wire mesh component 1 are sequentially inserted into the drilled large holes. Later, slurry is injected into the grouting plugs 2 by means of equipment, so that the slurry flows into the slope through the flow hole in the grouting plugs 2, further improving the stability of the installation of the grouting plugs 2. Since this part is a prior art, it will not be described in detail here. Then, the anchor rods on the upper and lower sides of the wire mesh component 1 are inserted into the slope for fixing. Then, the external support frame 4 in a "well"-shaped structure is laid on the outside of the wire mesh component 1. (At this time, due to the depth of the groove for placing the plug-in frame 6 in the external support frame 4, The depth is less than the depth of the groove 31, so that the extrusion plate 62 in the plug-in frame 6 is in an extruded state, the distance between the extrusion plate 62 and the plug-in frame 6 is relatively close, and the return spring on the outer side of the sliding rod 61 is in an extruded state to store force). Take the expansion screw 5 and insert it into the reserved through groove in the outer support frame 4, then rotate the expansion screw 5 while moving backward so that the rear end of the expansion screw 5 is inserted into the small hole in the slope, thereby fixing the outer support frame 4 well. When the expansion screw 5 moves backward, the expansion screw 5 will apply a certain thrust to the rotating plates 8 on both sides, so that the rotating plates 8 rotate with the rotating rod 81 as the center of the circle, the vortex spring 82 stores force, and the rotating plate 8 rotates to drive the boss 83 from the fixing piece 63, so that the protrusion 83 is separated from the fixing piece 63. At this time, the insertion frame 6 is automatically driven to move outward by the stored force of the return spring on the outer side of the first guide rod 7, and then the insertion frame 6 is stably slid into the corresponding groove 31 on the outer side of the first guide rod 7. At this time, the stored force of the return spring on the outer side of the sliding rod 61 in the insertion frame 6 automatically drives the extrusion plate 62 to move backward, so that the extrusion plate 62 is stably moved backward on the outer side of the sliding rod 61, so that the extrusion plate 62 is closely fitted and contacted with the sleeve plate 3. (The elastic coefficient of the return spring on the outer side of the first guide rod 7 is greater than the elastic coefficient of the return spring on the outer side of the sliding rod 61, so that the friction generated when the extrusion plate 62 contacts and moves with the outer support frame 4 can be overcome. Friction, and then the stored force of the return spring on the outer side of the first guide rod 7 can well drive the plug-in frame 6 and the extrusion plate 62 to move outward into the corresponding groove 31), and apply a backward thrust to the sleeve plate 3 to prevent the sleeve plate 3 from driving the grouting pipe 2 to move in the later stage, thereby further improving the stability of the grouting pipe 2 in the sleeve plate 3 inserted into the slope, thereby further improving the stability of the entire slope retaining support mechanism for the slope support, and even if the outer support frame 4 moves in the later stage, since the front side of the groove 31 is opened, the outer support frame 4 will not drive the grouting pipe 2 to move together, thereby improving the stability of the entire slope retaining support mechanism for the slope support, and preventing the slope soil from sliding and affecting the rural road construction operation.

[0022] Embodiment 2: The slope retaining and supporting mechanism for rural road construction in this embodiment discloses another structure of the outer support frame 4 on the basis of Embodiment 1. The specific structure is referred to in the appendix Figure 9 As shown, the outer support frame 4 in this embodiment is set in a rectangular shape with multiple modular and independent units. Through such a modular design, when the surface of one outer support frame 4 is damaged, it is convenient to replace the single damaged outer support frame 4 without replacing the entire outer support frame 4. At the same time, it is also convenient to carry and transport multiple outer support frames 4, occupying a smaller area and meeting different usage requirements.

[0023] Embodiment 3: The slope retaining and supporting mechanism for rural road construction in this embodiment can further improve the stability of the outer support frame 4 when supporting the slope, and further prevent the slope soil from slipping and affecting the rural road construction operation. The specific structure is referred to in the appendix Figures 10-11 As shown, a row of cross plates 41 are installed on the front side of the outer support frame 4. A fixing plate 9 in the shape of an inverted "L" is fixed below the outer support frame 4, and a second guide rod 10 is installed in a groove in the horizontal part of the fixing plate 9. The outer side of the second guide rod 10 is slidably connected through a support plate 11 arranged on the front side of the cross plate 41. The highest point of the support plate 11 is higher than the highest point of the cross plate 41. A guide block 111 is fixed on the front side of the support plate 11, and the front side of the guide block 111 is arranged in an inclined shape. A third guide rod 13 is installed in a groove in the vertical part of the fixing plate 9. The outer side of the third guide rod 13 is slidably connected through a support plate 12. An extrusion roller 122 in contact with the guide block 111 is connected inside the rear side of the support plate 12. A row of extended steel bars 121 are fixed on the front side of the support plate 12. Return springs are nested on the outer sides of the sliding rod 61, the first guide rod 7, the second guide rod 10, and the third guide rod 13. One end of the return spring on the outer side of the first guide rod 7 is connected to the insertion frame 6, one end of the return spring on the outer side of the sliding rod 61 is connected to the extrusion plate 62, and one end of the return spring on the outer side of the second guide rod 10 is connected to the support plate 11.

[0024] First, the fixing plate 9 is fixed on the road surface beside the slope by screws. The extending steel bar 121 is arranged above the subgrade of the rural road. At this time, there is a certain distance between the extending steel bar 121 and the upper surface of the subgrade of the rural road to be constructed. Then, when constructing the subgrade of the rural road, materials such as concrete, cement, and sand and gravel are poured onto the subgrade of the rural road, so that the height of the materials is higher than the highest point of the extending steel bar 121. Then, these materials are rolled and shaped by external equipment. Then, these materials drive the extending steel bar 121 to move downward. The extending steel bar 121 drives the support plate 12 and the extrusion roller 122 to move downward. When the extrusion roller 122 moves downward, it exerts a backward thrust on the guiding block 111 with an inclined front side, so that the guiding block 111 drives the auxiliary plate 11 to move backward together. At this time, the auxiliary plate 11 moves backward stably outside the second guiding rod 10. Then, the auxiliary plate 11 contacts the cross plate 41, exerting a backward thrust and an auxiliary supporting force on the cross plate 41 and the outer support frame 4. Therefore, the installation stability of the outer support frame 4 can be further improved, which is convenient for improving the supporting effect of the outer support frame 4 on the slope, further improving the stability of the entire slope retaining and supporting mechanism for slope support, avoiding affecting the later rural road construction operation. At the same time, the extending steel bar 121 can also provide a certain supporting force for the road subgrade and will not affect the road construction operation, thus completing a series of work.

[0025] Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A slope retaining and supporting mechanism for rural road construction, comprising a wire mesh assembly (1) fixed to the front side of the slope by anchor bolts, and a grouting insertion pipe (2) for inserting into the slope is installed through the inside of the wire mesh assembly (1), and a sleeve plate (3) is installed on the outer side of the front end of the grouting insertion pipe (2), and it is characterized in that: An external support frame (4) is installed on the outer side of the wire mesh assembly (1), and the rear end of the expansion screw (5) inside the external support frame (4) penetrates through the wire mesh assembly (1) and then inserts into the slope. Moreover, plug-in frames (6) are installed in grooves opened on the inner sides of the sides adjacent to the periphery of the sleeve plate (3). The plug-in frames (6) are snap-connected to the sleeve plate (3).

2. The slope retaining and supporting mechanism for rural road construction according to claim 1, characterized in that: Grooves (31) are opened on the outer periphery of the sleeve plate (3), and the front side of the groove (31) is open.

3. A slope retaining and supporting mechanism for rural road construction according to claim 2, characterized in that: First guide rods (7) are symmetrically installed inside the external support frame (4). The outer sides of the first guide rods (7) are slidably connected through the plug-in frames (6), and the plug-in frames (6) are inserted into the grooves (31).

4. A slope retaining and supporting mechanism for rural road construction according to claim 3, characterized in that: A sliding rod (61) is fixed inside the plug-in frame (6). The outer side of the sliding rod (61) is slidably connected through a pressing plate (62). The pressing plate (62) is in close contact with the sleeve plate (3). A fixing member (63) is installed on one side of the plug-in frame (6), and a through hole is opened inside the fixing member (63).

5. A slope retaining and supporting mechanism for rural road construction according to claim 4, characterized in that: A rotating plate (8) is installed inside the external support frame (4) through a rotating rod (81). A scroll spring (82) is connected to the outer side above the rotating rod (81). One end of the rotating plate (8) is arranged at the rear side of the expansion screw (5). A convex column (83) is fixed to the outer side of the other end of the rotating plate (8). The convex column (83) is inserted into the through hole, and the diameter of the through hole is larger than the diameter of the convex column (83).

6. A slope retaining and supporting mechanism for rural road construction according to claim 1, characterized in that: The external support frame (4) is arranged in a "well" shape structure.

7. A slope retaining and supporting mechanism for rural road construction according to claim 1, characterized in that: The external support frame (4) is arranged in multiple modular and independent rectangular shapes.

8. A slope retaining and supporting mechanism for rural road construction according to claim 4, characterized in that: A row of cross plates (41) is installed on the front side of the external support frame (4).

9. The slope retaining and supporting mechanism for rural road construction according to claim 8, characterized in that: A fixing plate (9) in an inverted "L" shape is fixed below the external support frame (4). A second guide rod (10) is installed in a groove opened inside the horizontal part of the fixing plate (9). The outer side of the second guide rod (10) is slidably connected through an auxiliary plate (11) arranged on the front side of the cross plate (41). The highest point of the auxiliary plate (11) is higher than the highest point of the cross plate (41). A guide block (111) is fixed to the front side of the auxiliary plate (11), and the front side of the guide block (111) is arranged in an inclined shape. A third guide rod (13) is installed in a groove opened inside the vertical part of the fixing plate (9). The outer side of the third guide rod (13) is slidably connected through a support plate (12). An extrusion roller (122) in contact with the guide block (111) is connected to the inside of the rear side of the support plate (12). A row of extended steel bars (121) is fixed to the front side of the support plate (12).

10. A slope retaining and supporting mechanism for rural road construction according to claim 9, characterized in that: Return springs are nested and connected to the outer sides of the sliding rod (61), the first guide rod (7), the second guide rod (10), and the third guide rod (13). One end of the return spring on the outer side of the first guide rod (7) is connected to the plug-in frame (6). One end of the return spring on the outer side of the sliding rod (61) is connected to the pressing plate (62). One end of the return spring on the outer side of the second guide rod (10) is connected to the auxiliary plate (11).

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