An arch foot steel plate joint component

CN224755761UActive Publication Date: 2026-09-15GUANGDONG DONGHONG CONSTRUCTION ENGINEERING CO LTD
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Patent Information

Application Number
CN202522417001.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-11-14
Publication Date
2026-09-15
Estimated Expiration
2035-11-14

AI Technical Summary

Technical Problem

[0003]本实用新型的目的在于提供一种拱脚钢板节点构件,以解决上述背景技术中提出不便于对拱脚钢板节点构件进行维护操作的问题

Benefits of technology

[0012]与现有技术相比,本实用新型的有益效果是:通过设置有节点主体、安装底板、安装顶板、支座、连接节点、预留孔、连接板、内孔一、内孔二、固定螺栓和固定螺母,节点构件安装后使用过程中,右侧安装节点位置连接节点磨损时,通过在支座右侧的前端将两组固定螺母对应从固定螺栓的外侧旋出,并将固定螺栓向后从连接板和连接节点的内部抽出后,即可将连接节点从节点主体上进行拆装分离,分体式结构,方便节点构件后期的维护操作;

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Abstract

The utility model relates to arch foot node technical field discloses a kind of arch foot steel plate node components, including node main body, the node main body includes installation bottom plate, installation top plate, support and connecting node, the bottom end of the support is fixed with installation bottom plate by welding, the top end of the support is fixed with installation top plate by welding.The utility model is provided with node main body, installation bottom plate, installation top plate, support, connecting node, reserved hole, connecting plate, inner hole one, inner hole two, fixed bolt and fixed nut, after node component installation, wear when right side installation node position connecting node in use process, by the outside of fixed bolt from the outer side of two groups of fixed nuts corresponding to the front end of support right side is rotated out, and after fixed bolt is extracted from the inside of connecting plate and connecting node backwards, connecting node can be disassembled and separated from node main body, split type structure, facilitate the maintenance operation of node component later period.
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Description

Technical Field

[0001] This utility model relates to the field of arch foot node technology, specifically to an arch foot steel plate node component. Background Technology

[0002] Arch foot steel plate joint components are steel plate parts used in tunnel engineering to connect the arch foot to the main structure, playing a crucial role in stress transfer and structural stability. They are typically installed in the arch foot area of ​​the tunnel and connected to the main structure (such as steel frames or concrete) using high-strength bolts or welding to optimize stress distribution and load transfer. However, in actual installation and use, arch foot steel plate joint components are generally integral parts. When wear gaps appear at the joint after installation, subsequent maintenance requires replacing the entire assembly, making the process cumbersome and complex, and hindering convenient maintenance of arch foot steel plate joint components. Now, a novel arch foot steel plate node component is proposed to address the above-mentioned shortcomings. Utility Model Content

[0003] The purpose of this utility model is to provide an arch foot steel plate node component to solve the problem mentioned in the background art that it is inconvenient to maintain and operate the arch foot steel plate node component.

[0004] To achieve the above objectives, this utility model provides the following technical solution: an arch foot steel plate node component, comprising a node body, the node body including a mounting base plate, a mounting top plate, a support, and a connecting node, wherein the mounting base plate is welded and fixed to the bottom end of the support, the mounting top plate is welded and fixed to the top end of the support, a connecting node is provided at the middle position on the right side of the support, connecting plates are welded and fixed to both ends of the right side of the support, and the connecting plates have two sets of inner holes II inside, the top and bottom ends of the left side of the front end of the connecting node are respectively provided with inner holes I, two sets of fixing bolts are provided at the rear end of the right side of the support, and two sets of fixing nuts are provided at the front end of the right side of the support.

[0005] As a further technical solution of this utility model, the first inner hole penetrates the interior of the connecting node, and the second inner hole penetrates the interior of the connecting plate.

[0006] As a further technical solution of this utility model, the front end of the fixing bolt passes through the interior of the inner hole two and the inner hole one respectively, and the fixing nut is threadedly connected to the outside of the fixing bolt.

[0007] As a further technical solution of this utility model, a first reinforcing plate is welded and fixed to both sides of the front end of the support, and a second reinforcing plate is welded and fixed to both sides of the rear end of the support. The first reinforcing plate and the second reinforcing plate are symmetrically arranged about the vertical center line of the support.

[0008] As a further technical solution of this utility model, the top ends of the first reinforcing plate and the two sets of second reinforcing plates are welded and fixed to the bottom end of the mounting top plate, and the bottom ends of the first reinforcing plate and the two sets of second reinforcing plates are welded and fixed to the top end of the mounting base plate.

[0009] As a further technical solution of this utility model, a side cover is provided on the left side of the node body, a connecting seat is fixed on the left side of the support, and a connecting hole is provided at the top and bottom of the left side of the connecting seat. Two sets of connecting bolts are provided on the left side of the side cover. Two connecting seats are fixed at both ends of the support, and two sets of connecting holes are provided inside the connecting seat. Two sets of connecting bolts are provided at both ends of the side cover.

[0010] As a further technical solution of this utility model, the first connecting bolt passes through the interior of the side cover and is threaded into the first connecting hole, and the second connecting bolt passes through the interior of the side cover and is threaded into the second connecting hole.

[0011] As a further technical solution of this utility model, mounting holes one are provided at the four corners of the top of the mounting base plate, mounting holes two are provided at the four corners of the top of the mounting top plate, and a reserved hole is provided inside the connecting node.

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows: by setting up a node body, mounting base plate, mounting top plate, support, connecting node, reserved hole, connecting plate, inner hole one, inner hole two, fixing bolt and fixing nut, when the connecting node at the right mounting node position wears during use after the node component is installed, the two sets of fixing nuts are unscrewed from the outside of the fixing bolt at the front end of the right side of the support, and the fixing bolt is pulled out from the inside of the connecting plate and the connecting node, so that the connecting node can be disassembled and separated from the node body. The split structure facilitates the later maintenance operation of the node component. By setting up supports, mounting base plates, mounting top plates, reinforcing plate one, and reinforcing plate two, during the installation and use of the node structure, reinforcing plate one and reinforcing plate two are vertically fixed at both ends inside the node body. The symmetrically arranged reinforcing plate one and reinforcing plate two can provide auxiliary internal support for the internal structure of the component, thereby improving the internal structural strength of the component. By setting up a node body, support, side cover, connecting bolt one, connecting hole one, connecting seat one, connecting seat two, connecting hole two, and connecting bolt two, after the node component is installed, the side cover can be fixedly installed on the outside of the node body using connecting bolt one and connecting bolt two. By using the side cover, the outside of the component can be provided with auxiliary outer cover anti-collision protection, reducing structural damage to the outside of the component. Attached Figure Description

[0013] Figure 1 This is a frontal cross-sectional view of the present invention. Figure 2 This is a three-dimensional structural diagram of the present invention; Figure 3 This is a three-dimensional structural diagram of the present invention; Figure 4 This is a three-dimensional structural diagram of the present invention; Figure 5 This is a three-dimensional structural diagram of the present invention; Figure 6 This is a three-dimensional structural diagram of the side cover of this utility model.

[0014] In the diagram: 1. Main body of the node; 2. Mounting base plate; 3. Mounting hole one; 4. Side cover; 5. Connecting bolt one; 6. Connecting hole one; 7. Connecting seat one; 8. Mounting top plate; 9. Mounting hole two; 10. Reinforcing plate one; 11. Support; 12. Connecting seat two; 13. Connecting node; 14. Reserved hole; 15. Connecting plate; 16. Inner hole one; 17. Inner hole two; 18. Connecting hole two; 19. Fixing bolt; 20. Fixing nut; 21. Reinforcing plate two; 22. Connecting bolt two. Detailed Implementation

[0015] 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.

[0016] Please see Figure 1-6 This utility model provides an embodiment: an arch foot steel plate node component, including a node body 1, the node body 1 including a mounting base plate 2, a mounting top plate 8, a support 11 and a connecting node 13, the mounting base plate 2 is welded and fixed to the bottom end of the support 11, the mounting top plate 8 is welded and fixed to the top end of the support 11, the connecting node 13 is provided at the middle position of the right side of the support 11, the two ends of the right side of the support 11 are respectively welded and fixed to the connecting plate 15, and the connecting plate 15 has two sets of inner holes 17 opened at the top and bottom of the left side of the front end of the connecting node 13, and the top and bottom ends of the connecting node 13 have inner holes 16 opened, the rear end of the right side of the support 11 is provided with two sets of fixing bolts 19, and the front end of the right side of the support 11 is provided with two sets of fixing nuts 20. The inner hole 16 penetrates the interior of the connecting node 13, the inner hole 2 17 penetrates the interior of the connecting plate 15, the front end of the fixing bolt 19 penetrates the interior of the inner hole 2 17 and the inner hole 16 respectively, and the fixing nut 20 is threadedly connected to the outside of the fixing bolt 19. Specifically, such as Figures 1-4 As shown, by unscrewing the two sets of fixing nuts 20 from the outside of the fixing bolt 19 at the front end of the right side of the support 11, and pulling the fixing bolt 19 out of the inside of the connecting plate 15 and the connecting node 13, the connecting node 13 can be disassembled and separated from the node body 1. The split structure allows for quick maintenance of the node components.

[0017] Reinforcing plates 10 are welded and fixed to both sides of the front end of the support 11, and reinforcing plates 21 are welded and fixed to both sides of the rear end of the support 11. The reinforcing plates 10 and 21 are symmetrically arranged about the vertical center line of the support 11. The top ends of the reinforcing plates 10 and the two sets of reinforcing plates 21 are welded and fixed to the bottom end of the mounting top plate 8, and the bottom ends of the two sets of reinforcing plates 10 and the two sets of reinforcing plates 21 are welded and fixed to the top end of the mounting bottom plate 2. Specifically, such as Figure 1 , Figure 2 and Figure 5 As shown, a first reinforcing plate 10 and a second reinforcing plate 21 are vertically fixed at both ends inside the main body 1 of the node. The symmetrically arranged first reinforcing plate 10 and second reinforcing plate 21 can provide auxiliary internal support for the internal structure of the component and improve the strength of the internal structure of the component.

[0018] A side cover 4 is provided on the left side of the main body 1. A connecting seat 7 is fixed on the left side of the support 11. A connecting hole 6 is provided at the top and bottom of the left side of the connecting seat 7. Two sets of connecting bolts 5 are provided on the upper and lower left sides of the side cover 4. A connecting seat 12 is fixed at both ends of the support 11. A connecting hole 18 is provided on the upper and lower inside the connecting seat 12. Two sets of connecting bolts 22 are provided on the upper and lower ends of both ends of the side cover 4. The connecting bolt 5 passes through the interior of the side cover 4 and is threaded into the connecting hole 6. The connecting bolt 22 passes through the interior of the side cover 4 and is threaded into the connecting hole 18. Specifically, such as Figure 1 , Figure 2 and Figure 6 As shown, the side cover 4 can be fixedly installed on the outside of the node body 1 using connecting bolt 5 and connecting bolt 22. The side cover 4 can be used to provide auxiliary outer cover anti-collision protection for the outside of the component.

[0019] Mounting holes 1 3 are provided at the four corners of the top of the mounting base plate 2, mounting holes 2 9 are provided at the four corners of the top of the mounting top plate 8, and a reserved hole 14 is provided inside the connecting node 13.

[0020] Working principle: After the node component is installed, during use, by unscrewing the two sets of fixing nuts 20 from the outside of the fixing bolts 19 at the front end on the right side of the support 11, and then pulling the fixing bolts 19 backward from the inside of the connecting plate 15 and the connecting node 13, the connecting node 13 can be disassembled and separated from the node body 1. This split structure allows for quick maintenance. Simultaneously, during the installation and use of the node structure, reinforcing plates 10 and 21 are vertically fixed at both ends inside the node body 1. The symmetrically arranged reinforcing plates 10 and 21 provide auxiliary internal support and reinforcement to the internal structure of the component, improving its strength. Furthermore, after the node component is installed, side covers 4 are installed and fixed on the outside of the component, providing auxiliary external protection against impacts.

[0021] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. An arch foot steel plate node component, comprising a node body (1), characterized in that: The node body (1) includes a mounting base plate (2), a mounting top plate (8), a support (11), and a connecting node (13). The mounting base plate (2) is welded and fixed to the bottom end of the support (11), and the mounting top plate (8) is welded and fixed to the top end of the support (11). A connecting node (13) is provided at the middle position on the right side of the support (11). A connecting plate (15) is welded and fixed to both ends on the right side of the support (11). The connecting plate (15) has two sets of inner holes (17) opened at the top and bottom of the left side of the front end of the connecting node (13). Two sets of fixing bolts (19) are provided at the rear end of the right side of the support (11), and two sets of fixing nuts (20) are provided at the front end of the right side of the support (11).

2. The arch foot steel plate node component according to claim 1, characterized in that: The first inner hole (16) penetrates the interior of the connecting node (13), and the second inner hole (17) penetrates the interior of the connecting plate (15).

3. The arch foot steel plate node component according to claim 1, characterized in that: The front end of the fixing bolt (19) passes through the interior of the inner hole two (17) and the inner hole one (16) respectively, and the fixing nut (20) is threaded to the outside of the fixing bolt (19).

4. The arch foot steel plate node component according to claim 1, characterized in that: The front sides of the support (11) are respectively welded and fixed with a first reinforcing plate (10), and the rear sides of the support (11) are respectively welded and fixed with a second reinforcing plate (21). The first reinforcing plate (10) and the second reinforcing plate (21) are respectively arranged symmetrically about the vertical center line of the support (11).

5. The arch foot steel plate node component according to claim 4, characterized in that: The top ends of the two sets of reinforcing plates (10) and the two sets of reinforcing plates (21) are welded and fixed to the bottom end of the mounting top plate (8), and the bottom ends of the two sets of reinforcing plates (10) and the two sets of reinforcing plates (21) are welded and fixed to the top end of the mounting bottom plate (2).

6. The arch foot steel plate node component according to claim 1, characterized in that: A side cover (4) is provided on the left side of the main body (1) of the node. A connecting seat (7) is fixed on the left side of the support (11). A connecting hole (6) is provided at the top and bottom of the left side of the connecting seat (7). Two sets of connecting bolts (5) are provided on the left side of the side cover (4). A connecting seat (12) is fixed at both ends of the support (11). Two sets of connecting holes (18) are provided inside the connecting seat (12). Two sets of connecting bolts (22) are provided at both ends of the side cover (4).

7. The arch foot steel plate node component according to claim 6, characterized in that: The first connecting bolt (5) penetrates the interior of the side cover (4) and is threaded into the first connecting hole (6), and the second connecting bolt (22) penetrates the interior of the side cover (4) and is threaded into the second connecting hole (18).

8. The arch foot steel plate node component according to claim 1, characterized in that: The mounting base plate (2) has four corners at the top of each of the four corners of the top of the mounting plate (8) and four corners at the top of the mounting plate (8) and each of the four corners of the top of the mounting plate (8) has a reserved hole (14).