Anti-settling structure at junction of soft soil subgrade and normal subgrade
By introducing reinforced support mechanisms into the anti-settlement structure, including closed installation components, rotary pushing components, and compression reinforcement components, the problem of instability in the support caused by loosening of the filling layer is solved, achieving higher support fixation and stability.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHINA CONSTR SEVENTH ENG DIVISION CORP LTD
- Filing Date
- 2025-06-03
- Publication Date
- 2026-06-16
AI Technical Summary
When existing anti-settlement structures are installed at the junction of soft soil subgrade and normal subgrade, the filling layer is prone to loosening, leading to instability of the support and affecting the stability of the reinforcement installation.
A reinforced support mechanism was designed, including a closed mounting assembly, a rotary pushing assembly, a compression reinforcement assembly, and an auxiliary reinforcement mechanism. Through the synergistic effect of these components, the stability of the support plate is enhanced, preventing loosening.
It improves the support and stability of the anti-settlement structure at the junction of soft soil subgrade and normal subgrade, reduces the possibility of loosening, and enhances the stability of the structure.
Smart Images

Figure CN224363151U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of anti-settlement structure technology, specifically relating to an anti-settlement structure at the junction of soft soil subgrade and normal subgrade. Background Technology
[0002] Soft soil subgrade is a relatively loose foundation, and there is a certain risk of settlement between soft soil subgrade and normal subgrade during construction. Settlement prevention treatment is required between soft soil subgrade and normal subgrade. This is usually done by installing an anti-settlement structure between soft soil subgrade and normal subgrade. The existing anti-settlement structure is a support device used to reinforce the soft soil subgrade and normal subgrade to prevent settlement.
[0003] According to the authorized patent application No. 202121994777.6, which discloses an anti-settlement structure at the junction of soft soil subgrade and normal subgrade, existing anti-settlement structures, after being installed at the junction of soft soil subgrade and normal subgrade, require the addition of a filling layer between the two support parts for reinforcement. However, even after long-term use, the filling layer can still loosen, causing the support parts to loosen and making reinforcement installation difficult. This results in instability after installation, reducing the stability of the support and affecting the reinforcement and fixation of the support parts when the anti-settlement structure is installed between the soft soil subgrade and normal subgrade. Therefore, this utility model proposes an anti-settlement structure at the junction of soft soil subgrade and normal subgrade. Utility Model Content
[0004] The purpose of this utility model is to provide an anti-settlement structure at the junction of soft soil subgrade and normal subgrade, in order to solve the problem in the above-mentioned background technology that after the anti-settlement structure is installed at the junction of soft soil subgrade and normal subgrade, a filling layer is piled up between the two support parts for reinforcement and installation. However, even after long-term use of the internal support, the filling layer still loosens, which causes the support parts to loosen, making it difficult to reinforce and install. The installation is still unstable and reduces the stability of the support.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a settlement prevention structure at the junction of soft soil subgrade and normal subgrade, comprising a main body of the settlement prevention structure, wherein the main body of the settlement prevention structure includes a soft soil subgrade and a normal subgrade, both of which are fixedly covered with a top plate. A support plate is provided at one end of the lower surface of the top plate on the side of the soft soil subgrade and the normal subgrade. A reinforcing connecting plate is welded to the outer side of the support plate, and the reinforcing connecting plate extends into the interior of the soft soil subgrade and the normal subgrade. The main body of the settlement prevention structure also includes:
[0006] A reinforced support mechanism is provided, which includes a closed mounting assembly disposed at the connection of two support plates. A rotary pushing assembly is disposed inside the closed mounting assembly. A compression reinforcing assembly is disposed at the ends of the rotary pushing assembly on both sides of the closed mounting assembly. A limit sliding assembly is disposed on the lower surface of the compression reinforcing assembly.
[0007] An auxiliary reinforcement mechanism, which includes an auxiliary reinforcement component disposed on the lower surface of the top plate.
[0008] Preferably, the closed mounting assembly includes a support closure plate disposed at the connection of the two support plates, the bottom end of the support closure plate extending to the inner bottom end of the support plate and pressing against it.
[0009] Preferably, the rotary pushing assembly includes two push plates disposed inside the support closing plate. The side of each push plate is provided with a limit block two, and the limit block two is slidably connected to the inner side of the support closing plate. A connecting plate is fixed to the connection of the two push plates by bolts. An adjusting screw is threadedly connected to the top of the support closing plate, and the bottom end of the adjusting screw is connected to the top of the push plate by a bearing.
[0010] Preferably, the top end of the adjusting screw is fixed to a reinforcing plate by screws on the surface of the supporting closing plate, and the surface of the reinforcing plate matches the surface of the supporting closing plate.
[0011] Preferably, the compression reinforcement component includes two movable slots formed on both sides of the support closure plate, and a compression block is provided inside the movable slot. One end of the compression block is in compression contact with the surface of the support plate, and the other end of the compression block is in compression contact with the bottom side of the push plate.
[0012] Preferably, the limiting sliding assembly includes a limiting sliding groove one formed at the bottom end of the extrusion block, a limiting slider sliding inside the limiting sliding groove one, and the bottom end of the limiting slider being fixed to the bottom end of the moving groove by welding.
[0013] Preferably, the auxiliary reinforcement component includes a lower auxiliary reinforcing plate welded and fixed to one end of the lower surface of the top plate, a bottom limiting plate integrally provided at the bottom end of the lower auxiliary reinforcing plate, and side reinforcing limiting plates welded to both sides of the lower auxiliary reinforcing plate, and the side reinforcing limiting plates are embedded in the interior of the soft soil subgrade and the normal subgrade.
[0014] Compared with the prior art, the beneficial effects of this utility model are:
[0015] By designing a reinforced support mechanism, two push plates can be moved down simultaneously. When the push plates move down, they contact the end surface of the extrusion block and press against it, causing the extrusion block to move stably within the moving groove. This allows the extrusion block to move stably and press against the inner surface of the support plate. After the two support plates are closed and installed, it is convenient to strengthen and fix the installation, making it less likely to loosen again and reduce the stability of the installation. This improves the reinforcement and fixation of the support plate when the main body of the anti-settlement structure is installed between the soft soil subgrade and the normal subgrade. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the structure of this utility model;
[0017] Figure 2 This is a cross-sectional structural diagram of the present invention;
[0018] Figure 3 This is a schematic diagram of the top plate, lower auxiliary reinforcing plate and support plate of this utility model;
[0019] Figure 4 This utility model Figure 2 Enlarged structural diagram of section A;
[0020] Figure 5 This utility model Figure 4 Enlarged structural diagram of section C;
[0021] Figure 6 This utility model Figure 2 Enlarged structural diagram of section B;
[0022] In the diagram: 100, main anti-settlement structure; 101, soft soil subgrade; 102, normal subgrade; 103, top slab; 1031, lower auxiliary reinforcing plate; 1032, bottom limiting plate; 1033, side reinforcing limiting plate; 104, support plate; 1041, support closing plate; 1042, reinforcing plate; 1043, adjusting screw; 1044, extrusion block; 1045, moving groove; 1046, limiting slide groove one; 1047, limiting slider; 1048, connecting plate; 1049, push plate; 1040, limiting block two; 105, reinforcing connecting plate. Detailed Implementation
[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0024] Please see Figures 1 to 6This utility model provides a technical solution: a settlement prevention structure at the junction of soft soil subgrade and normal subgrade, including a main body 100 of the settlement prevention structure. The main body 100 includes a soft soil subgrade 101 and a normal subgrade 102. A top plate 103 is fixedly laid on the top of both the soft soil subgrade 101 and the normal subgrade 102. A support plate 104 is provided on one end of the lower surface of the top plate 103 on the side of the soft soil subgrade 101 and the normal subgrade 102. A reinforcing connecting plate 105 is welded to the outside of the support plate 104, and the reinforcing connecting plate 105 extends into the interior of the soft soil subgrade 101 and the normal subgrade 102. The main body 100 of the settlement prevention structure also includes:
[0025] The reinforced support mechanism includes a closed mounting assembly located at the connection between two support plates 104. The closed mounting assembly contains a rotating pushing assembly, and the ends of the rotating pushing assembly are located on both sides of the closed mounting assembly, with a compression reinforcement assembly. The lower surface of the compression reinforcement assembly is provided with a limit sliding assembly. After the anti-settlement structure body 100 is installed between the soft soil subgrade 101 and the normal subgrade 102, the reinforced support mechanism further compresses and reinforces the space between the two support plates 104, facilitating the use of the reinforced support and preventing loosening.
[0026] In order to facilitate the installation and compression reinforcement adjustment of the extrusion block 1044 by means of the closed installation assembly, in this embodiment, preferably, the closed installation assembly includes a support closed plate 1041 disposed at the connection of the two support plates 104. The bottom end of the support closed plate 1041 extends to the inner bottom end of the support plate 104 and makes compression contact. The support closed plate 1041 can be snapped into the connection of the two support plates 104, so as to facilitate the closed installation and compression reinforcement of the extrusion block 1044 by means of the support closed plate 1041.
[0027] To facilitate the downward pushing and squeezing adjustment of the push plate 1049 via the rotating pushing assembly, in this embodiment, preferably, the rotating pushing assembly includes two push plates 1049 disposed inside the support closing plate 1041. A second limiting block 1040 is provided on the side of each push plate 1049, and the second limiting block 1040 is slidably connected to the inner side of the support closing plate 1041. A connecting plate 1048 is bolted to the connection point of the two push plates 1049, and an adjusting screw 1043 is threadedly connected to the top of the support closing plate 1041. The bottom end of the adjusting screw 1043 is connected to the top end of the push plate 1049 through a bearing. When the adjusting screw 1043 is rotated, the push plate 1049 is moved down. When the push plate 1049 is moved down, it presses and reinforces the extrusion block 1044. The top end of the adjusting screw 1043 is located on the surface of the support closing plate 1041 and is fixed with a reinforcing plate 1042 by screws. The surface of the reinforcing plate 1042 matches the surface of the support closing plate 1041. After adjustment, the reinforcing plate 1042 can be closed at the top end and fixed for protection.
[0028] To facilitate the compression reinforcement installation of the support plate 104 after installation, in this embodiment, preferably, the compression reinforcement assembly includes two movable slots 1045 formed on both sides of the support closing plate 1041. The movable slots 1045 are provided with compression blocks 1044, one end of the compression block 1044 is in compression contact with the surface of the support plate 104, and the other end of the compression block 1044 is in compression contact with the bottom side of the push plate 1049. When the push plate 1049 moves down, it can compress and contact the surface of the compression block 1044 and compress and move the compression block 1044 for reinforcement installation.
[0029] In order to facilitate the stable movement and adjustment of the extrusion block 1044 by means of the limiting sliding assembly, in this embodiment, preferably, the limiting sliding assembly includes a limiting slide groove 1046 formed at the bottom end of the extrusion block 1044, a limiting slider 1047 sliding inside the limiting slide groove 1046, and the bottom end of the limiting slider 1047 being fixed to the bottom end of the moving groove 1045 by welding, so that when the extrusion block 1044 moves inside the moving groove 1045, it can drive the limiting slider 1047 to slide inside the limiting slide groove 1046 for control.
[0030] The auxiliary reinforcement mechanism includes an auxiliary reinforcement component disposed on the lower surface of the top plate 103. After the top plate 103 is installed on the surface of the soft soil subgrade 101 and the normal subgrade 102, the auxiliary reinforcement mechanism provides auxiliary reinforcement to the lower surface of the top plate 103 to prevent loosening from occurring again.
[0031] To facilitate the reinforcement installation of the lower surface of the top plate 103 within the soft soil subgrade 101 and normal subgrade 102 using an auxiliary reinforcement component, in this embodiment, preferably, the auxiliary reinforcement component includes a lower auxiliary reinforcing plate 1031 welded and fixed to one end of the lower surface of the top plate 103. A bottom limiting plate 1032 is integrally provided at the bottom end of the lower auxiliary reinforcing plate 1031, and side reinforcing limiting plates 1033 are welded to both sides of the lower auxiliary reinforcing plate 1031. The side reinforcing limiting plates 1033 are embedded inside the soft soil subgrade 101 and normal subgrade 102. During the installation of the top plate 103, the bottom limiting plate 1032 can be used to limit the bottom end of the lower auxiliary reinforcing plate 1031 within the soft soil subgrade 101 and normal subgrade 102, while the side reinforcing limiting plates 1033 can limit and reinforce the sides of the lower auxiliary reinforcing plate 1031. This facilitates the installation of auxiliary reinforcement support for the top plate 103 and reduces the likelihood of settlement.
[0032] The working principle and usage process of this utility model: When using this anti-settlement structure at the junction of soft soil subgrade and normal subgrade, firstly, two top plates 103 are laid and fixed on the top of the soft soil subgrade 101 and the normal subgrade 102 respectively. When the top plates 103 are installed, the support plates 104 are closed and fixed at the end connection of the soft soil subgrade 101 and the normal subgrade 102 respectively. After the support plates 104 are closed, the reinforcing connecting plate 105 is closed inside to reinforce the outside of the support plates 104 inside the soft soil subgrade 101 and the normal subgrade 102. This makes it easy to close the two sets of top plates 103 and support plates 104 at the junction of the soft soil subgrade 101 and the normal subgrade 102 to reinforce and prevent settlement.
[0033] Then, after the top plate 103 is closed on the surfaces of the soft soil subgrade 101 and the normal subgrade 102, the lower auxiliary reinforcing plate 1031 can be embedded into the interior of the soft soil subgrade 101 and the normal subgrade 102, so that the bottom limiting plate 1032 is embedded inside to reinforce the bottom end of the lower auxiliary reinforcing plate 1031. Then, the side reinforcing limiting plate 1033 is closed inside the soft soil subgrade 101 and the normal subgrade 102 to reinforce the sides of the lower auxiliary reinforcing plate 1031, thereby... The lower auxiliary reinforcing plate 1031 is installed in a limiting position, so that the lower auxiliary reinforcing plate 1031 is installed inside the soft soil subgrade 101 or normal subgrade 102, and then reinforces and fixes the lower surface of the top plate 103. After the top plate 103 is reinforced and installed, the support plate 104 is reinforced to prevent the lower surface of the top plate 103 from settling and loosening, and improves the support and reinforcement of the top plate 103 and the support plate 104 at the connection between the soft soil subgrade 101 and the normal subgrade 102 of the anti-settlement structure main body 100 mounting seat.
[0034] Finally, after the support plate 104 and top plate 103 are closed and installed on the sides and top of the soft soil subgrade 101 and the normal subgrade 102, the support closing plate 1041 is snapped into place at the connection between the two support plates 104 and fixed in place. After fixing, the adjusting screw 1043 is rotated to move the push plate 1049 downward. The push plate 1049 is limited downward by the second limiting block 1040. The two push plates 1049 are moved downward simultaneously by the connecting plate 1048. When the push plate 1049 moves downward, it contacts the end surface of the pressing block 1044 and presses the pressing block 1044, so that the pressing block... The compression block 1044 moves and is squeezed inside the moving groove 1045. When the compression block 1044 moves, it drives the limiting slider 1047 to slide and limit inside the limiting groove 1046, so that the compression block 1044 moves stably and squeezes the inner surface of the support plate 104. This makes it easy to simultaneously compress the support plate 104 with two compression blocks 1044, and facilitates the reinforcement and fixation of the support plate 104 after the two support plates 104 are closed and installed. This makes it less likely to loosen again and reduce the stability of the installation, and improves the reinforcement and fixation of the support plate 104 by the anti-settlement structure main body 100 installed between the soft soil subgrade 101 and the normal subgrade 102.
[0035] Although embodiments of the present invention have been shown and described (see the detailed description above), it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A settlement prevention structure at the junction of a soft soil subgrade and a normal subgrade, comprising a main body (100) of the settlement prevention structure, wherein the main body (100) comprises a soft soil subgrade (101) and a normal subgrade (102), wherein a top plate (103) is fixedly laid on the top of both the soft soil subgrade (101) and the normal subgrade (102), and a support plate (104) is provided on one end of the lower surface of the top plate (103) on the side of the soft soil subgrade (101) and the normal subgrade (102), wherein a reinforcing connecting plate (105) is welded to the outside of the support plate (104), and the reinforcing connecting plate (105) extends into the interior of the soft soil subgrade (101) and the normal subgrade (102), characterized in that: The main body (100) of the anti-settlement structure is also equipped with: A reinforced support mechanism is provided, and the reinforced support mechanism includes a closed mounting assembly disposed at the connection of two support plates (104). A rotary pushing assembly is disposed inside the closed mounting assembly. A compression reinforcing assembly is disposed at the ends of the rotary pushing assembly on both sides of the closed mounting assembly. A limit sliding assembly is disposed on the lower surface of the compression reinforcing assembly. The auxiliary reinforcement mechanism includes an auxiliary reinforcement component disposed on the lower surface of the top plate (103).
2. The anti-settlement structure at the junction of soft soil subgrade and normal subgrade according to claim 1, characterized in that: The closed mounting assembly includes a support closure plate (1041) disposed at the connection of two support plates (104), the bottom end of the support closure plate (1041) extending to the inner bottom end of the support plate (104) and pressing against it.
3. The anti-settlement structure at the junction of soft soil subgrade and normal subgrade according to claim 2, characterized in that: The rotary pushing assembly includes two push plates (1049) disposed inside the support closing plate (1041). The side of the push plate (1049) is provided with a limit block two (1040), and the limit block two (1040) is slidably connected to the inner side of the support closing plate (1041). The connection between the two push plates (1049) is fixed with a connecting plate (1048) by bolts. The top end of the support closing plate (1041) is threadedly connected with an adjusting screw (1043), and the bottom end of the adjusting screw (1043) is connected to the top end of the push plate (1049) by a bearing.
4. The anti-settlement structure at the junction of soft soil subgrade and normal subgrade according to claim 3, characterized in that: The top of the adjusting screw (1043) is located on the surface of the supporting closing plate (1041) and a reinforcing plate (1042) is fixed thereon by screws, and the surface of the reinforcing plate (1042) matches the surface of the supporting closing plate (1041).
5. The anti-settlement structure at the junction of soft soil subgrade and normal subgrade according to claim 3, characterized in that: The compression reinforcement assembly includes two movable slots (1045) opened on both sides of the support closing plate (1041). An extrusion block (1044) is provided inside the movable slot (1045), and one end of the extrusion block (1044) is in extrusion contact with the surface of the support plate (104), and the other end of the extrusion block (1044) is in extrusion contact with the bottom side of the push plate (1049).
6. The anti-settlement structure at the junction of soft soil subgrade and normal subgrade according to claim 5, characterized in that: The limiting sliding assembly includes a limiting slide groove (1046) opened at the bottom of the extrusion block (1044), a limiting slider (1047) slides inside the limiting slide groove (1046), and the bottom end of the limiting slider (1047) is fixed to the bottom end of the moving groove (1045) by welding.
7. The anti-settlement structure at the junction of soft soil subgrade and normal subgrade according to claim 1, characterized in that: The auxiliary reinforcement component includes a lower auxiliary reinforcing plate (1031) welded and fixed to one end of the lower surface of the top plate (103). The bottom end of the lower auxiliary reinforcing plate (1031) is integrally provided with a bottom limiting plate (1032). Side reinforcing limiting plates (1033) are welded to both sides of the lower auxiliary reinforcing plate (1031), and the side reinforcing limiting plates (1033) are embedded in the interior of the soft soil subgrade (101) and the normal subgrade (102).