Roadbed supporting device for road and bridge construction
The roadbed support device, which connects the support rods to the steel bars, forms a matrix support and fixes the soil layer, solving the problems of roadbed sinking and landslides in soft soil layers, and improving the roadbed's bearing capacity and stability.
Patent Information
- Application Number
- CN202422486945.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-15
- Publication Date
- 2025-08-01
- Estimated Expiration
- 2034-10-15
AI Technical Summary
The roadbed is prone to sinking and landslides on soft soil layers, and the existing roadbed support devices are insufficient to solve this problem.
A support device is adopted that connects support rods to steel bars. The support rods form a matrix under the separation of steel bars, which expands the bearing area of the roadbed. The soil layer is fixed by gripping nails and cross clamps to improve the stability of the roadbed.
It effectively prevents the flow and collapse of the roadbed soil layer, and improves the bearing capacity and stability of the roadbed.
Smart Images
Figure CN223176522U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of road and bridge construction, in particular to a roadbed supporting device for road and bridge construction. Background Art
[0002] Soft soil layers are characterized by high water content, a large porosity, low strength, high compressibility, and low permeability. With the development of the national economy, many road and bridge projects have had to be built on soft soil layers. Numerous methods exist for reinforcing soft soil layers, but each method has a specific scope of application. Selection must be based on geological conditions, construction conditions, regional characteristics, and operational requirements. At the same time, the principles of using local materials, adapting to local conditions, and conserving the three materials should be adhered to in order to maximize economic benefits.
[0003] The current roadbed support device is prone to subsidence and the roadbed landslide phenomenon is serious. Therefore, in view of the above situation, it is urgent to develop a roadbed support device for road and bridge construction to overcome the shortcomings in current practical applications. Utility Model Content
[0004] The purpose of the present utility model is to provide a roadbed supporting device for road and bridge construction to solve the problems raised in the above background technology.
[0005] To achieve the above objectives, the present invention provides the following technical solutions:
[0006] A roadbed support device for road and bridge construction includes a support rod, an extrusion head is fixedly connected to the bottom of the support rod, a bracket is fixedly connected to the top of the support rod, a mounting groove is provided in the support rod, a threaded barrel is fixedly connected in the mounting groove, a mounting bolt is threadedly connected in the threaded barrel, the mounting bolt is fixedly connected to a positioning rod through the mounting groove, a pressure plate is fixedly connected to the positioning rod, a clamping seat is provided between the pressure plate and the bracket, the clamping seat is slidably connected to the positioning rod, and a mounting screw head is fixedly connected to the top of the pressure plate.
[0007] As a further solution of the present invention: a plurality of groups of equally spaced fixed arms are fixedly connected to the outer wall of the clamping seat, and gripping spikes are fixedly connected to the fixed arms.
[0008] As a further solution of the present invention, a cross clamp is rotatably connected to the mounting screw head, and steel bars arranged in a cross-like manner are installed in the cross clamp.
[0009] Compared with the prior art, the beneficial effects of the present utility model are as follows: The present utility model supports the roadbed through the arrangement of support rods connected to the steel bars in the roadbed. At this time, multiple groups of support rods form a matrix under the separation of the steel bars, thereby forming a support array in the roadbed. While expanding the bearing area of the roadbed and improving the bearing capacity of the roadbed, the soil layer in the roadbed is firmly grasped, thereby avoiding the flow and collapse of the soil layer in the roadbed and improving the stability of the roadbed. BRIEF DESCRIPTION OF THE DRAWINGS
[0010] Figure 1 It is a schematic structural diagram of a roadbed support device for road and bridge construction in the present utility model.
[0011] Figure 2 It is a schematic structural diagram of a roadbed support device for road and bridge construction in the present utility model.
[0012] Figure 3 It is a sectional view of a roadbed support device for road and bridge construction in the present utility model.
[0013] Figure 4 is Figure 3 a partial enlarged view of point A in
[0014] In the figure: 1 - support rod, 2 - extrusion head, 3 - bracket, 4 - clamping seat, 5 - installation groove, 6 - threaded barrel, 7 - installation bolt, 8 - positioning plug rod, 9 - clamping plate, 10 - installation screw head, 11 - cross clamping frame, 12 - fixed arm, 13 - ground grasping nail, 14 - steel bar. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0015] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.
[0016] Refer to Figures 1 to 4, in the embodiment of the present utility model, a subgrade support device for road and bridge construction includes a support rod 1. A pressing head 2 is fixedly connected to the bottom of the support rod 1. A bracket 3 is fixedly connected to the top of the support rod 1. An installation groove 5 is provided inside the support rod 1. A threaded cylinder 6 is fixedly connected inside the installation groove 5. An installation bolt 7 is threadedly connected inside the threaded cylinder 6. The installation bolt 7 passes through the installation groove 5 and is fixedly connected to a positioning insertion rod 8. A pressing plate is fixedly connected to the positioning insertion rod 8. A clamping seat 4 is arranged between the pressing plate and the bracket 3. The clamping seat 4 is slidably connected to the positioning insertion rod 8. A mounting screw head 10 is fixedly connected to the top of the pressing plate. A plurality of equally spaced fixed arms 12 are fixedly connected to the outer wall of the clamping seat 4. A ground gripping nail 13 is fixedly connected to the fixed arms 12. A cross clamping frame 11 is rotatably connected to the mounting screw head 10. Reinforcing bars 14 arranged in a crosswise and staggered manner are installed inside the cross clamping frame 11;
[0017] Before the staff lays the road surface, first insert the support rod 1 into the subgrade. At the same time, the pressing head 2 is synchronously inserted into the subgrade driven by the support rod 1. Then, the soil layer in the subgrade is extruded and hardened by the pressing head 2. After that, install the clamping seat 4 on the bracket 3. At this time, insert the installation bolt 7 through the clamping seat 4 into the installation groove 5, and use a wrench to rotate the mounting screw head 10 to drive the installation bolt 7 to rotate. At this time, the installation bolt 7 is screwed into the threaded cylinder 6 through the threaded connection with the threaded cylinder 6, and then the clamping seat 4 is clamped and fixed by the pressing plate. At this time, the clamping seat 4 drives the ground gripping nails 13 to insert into the ground through the fixed arms 12, thus completing the preliminary installation of the equipment. Then, place the reinforcing bars 14 in the subgrade in a crosswise and staggered manner inside the cross clamping frame 11, and use pliers to close the cross clamping frame 11, so as to clamp and fix the staggered reinforcing bars 14 through the cross clamping frame 11. Then, a pouring layer can be laid on the subgrade. After that, when the road surface is stressed, the stress first acts on the support rod 1 through the reinforcing bars 14 in the pouring layer, and then the pouring layer is supported and fixed at multiple points by the support rod 1. The stress of the road surface is distributed to the soil layer around the support rod 1 through the fixed arms, thus expanding the bearing area of the subgrade and improving the bearing capacity of the subgrade. At the same time, the soil layer in the subgrade is grabbed and fixed by the matrix formed by multiple support rods 1 and reinforcing bars 14, thus preventing the soil layer in the subgrade from flowing.
[0018] The foregoing has shown and described the basic principles, main features and advantages of the present utility model. For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above-mentioned exemplary embodiments, and without departing from the spirit or basic features of the present utility model, the present utility model can be implemented in other specific forms. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, it is intended to embrace all changes that fall within the meaning and scope of the equivalent elements of the claims in the present utility model. Any reference signs in the claims should not be construed as limiting the claimed claim involved.
[0019] The foregoing is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.
Claims
1. A subgrade support device for road and bridge construction, characterized in that It includes a support rod, with an extrusion head fixedly connected to the bottom of the support rod. A bracket is fixedly connected to the top of the support rod. An installation groove is provided inside the support rod, and a threaded cylinder is fixedly connected inside the installation groove. A mounting bolt is threadedly connected inside the threaded cylinder. The mounting bolt passes through the installation groove and is fixedly connected to a positioning plug rod. A pressing plate is fixedly connected to the positioning plug rod. A clamping seat is arranged between the pressing plate and the bracket, and the clamping seat is slidably connected to the positioning plug rod. A mounting screw head is fixedly connected to the top of the pressing plate.
2. The roadbed support device for road and bridge construction according to claim 1, wherein A plurality of groups of equally spaced fixed arms are fixedly connected to the outer wall of the clamping seat, and gripping nails are fixedly connected to the fixed arms.
3. A roadbed support device for road and bridge construction according to claim 1, characterized in that, A cross clamping frame is rotatably connected to the mounting screw head, and steel bars arranged in a cross-interleaved manner are installed inside the cross clamping frame.