A fastening point connecting box for hoisting an arch bridge

Abstract

This utility model relates to the field of arch bridge construction engineering technology, and in particular to a fastening connection box for hoisting arch bridges. The fastening connection box includes: a wall panel with a notch at its lower end and a through hole at its upper end, two wall panels arranged parallel and spaced apart, end to end aligned; a bottom plate perpendicular to the wall panel and connected to its lower end face, the bottom plate having a first through hole located between the two wall panels; a top plate connected to the bottom wall of the notch and parallel to the bottom plate, the top plate having a second through hole; and a pad plate with anchor holes for fixing ropes; wherein the contact surface between the pad plate and the top plate is configured as a relatively sliding curved surface structure, allowing the pad plate to swing relative to the top plate. In this utility model, by setting a relatively sliding curved surface structure, repeated bending of the rope can be avoided, reducing the risk of rope breakage.

Description

Technical Field

[0001] This utility model relates to the field of arch bridge construction engineering technology, and in particular to a fastening connection box for hoisting arch bridges. Background Technology

[0002] Currently, the method of transporting and assembling the arch ring using cable hoisting involves cantilevering the main arch steel pipes in sections symmetrically from both banks, followed by closure in the middle. For example... Figure 1 As shown, each segment of the main arch steel pipe has snap-fit ​​connectors at both ends of its upper chord. During the arch assembly process, the cable crane first connects the snap-fit ​​connector box via ropes, and then the snap-fit ​​connector box is hinged to the snap-fit ​​connector seat before the main arch steel pipe is transported and assembled.

[0003] In existing technologies, the hinged structure of the fastening point connection box and the fastening point connection seat is usually of a single axis, giving the fastening point connection box and the main arch steel pipe only one degree of rotational freedom. However, during the hoisting and assembly of the main arch steel pipe using a cable crane, the rope is constantly swinging freely due to wind and other factors, and the angle between the main arch steel pipe and the rope varies at different positions on the arch bridge. Since the fastening point connection box can only rotate in one direction, the angle between the rope's stretching direction and the fastening point connection box will continuously form, leading to repeated bending of the rope until it reaches its fatigue limit and breaks, posing a significant safety hazard. Utility Model Content

[0004] This utility model aims to solve the technical problems existing in related technologies. To this end, this utility model proposes a fastening connection box for hoisting arch bridges, so as to avoid repeated bending of ropes, reduce the risk of rope breakage, and eliminate safety hazards.

[0005] This utility model provides a fastening connection box for hoisting arch bridges, comprising: The wall panel has a notch at its lower end and a through hole at its upper end. Two wall panels are arranged parallel to each other and aligned end to end. A base plate is perpendicular to the surface of the wall panel and connected to the lower end face of the wall panel. The base plate is provided with a first through hole, which is located between the two wall panels. A top plate is connected to the bottom wall of the notch and parallel to the bottom plate, and the top plate is provided with a second through hole; The pad is provided with anchor holes for securing the rope; The contact surface between the pad and the top plate is configured as a relatively sliding curved surface structure, which allows the pad to swing relative to the top plate.

[0006] According to the present invention, a snap-fit ​​connection box for hoisting an arch bridge is provided, wherein the curved structure includes an arcuate convex surface disposed on the pad and an arcuate concave surface disposed on the top plate; The arc-shaped convex surface protrudes outward from the plate surface of the pad, and the arc-shaped concave surface is recessed inward from the plate surface of the top plate.

[0007] According to the present invention, a snap-on connection box for hoisting an arch bridge is provided, wherein the arc concave surface is configured as a cylindrical curved surface symmetrically distributed relative to the second through hole, and the central axis of the cylindrical curved surface is parallel to the wall panel; The convex arc surface is configured as a cylindrical curved surface, and the curvature of the convex arc surface is greater than or equal to the curvature of the concave arc surface.

[0008] According to the present invention, a snap-fit ​​connection box for hoisting an arch bridge is provided, wherein the concave arc surface is configured as a spherical surface, the central axis of the spherical surface coincides with the central axis of the second through hole, the convex arc surface is configured as a spherical surface, and the diameter of the convex arc surface is less than or equal to the diameter of the concave arc surface.

[0009] According to the present invention, a fastening connection box for hoisting an arch bridge is provided, which further includes a web plate installed between the top plate and the bottom plate. The surface of the web plate is connected to the side wall of the notch. The web plate is perpendicular to the surface of the wall plate and its two ends are respectively aligned with the end face of the bottom plate.

[0010] According to the present invention, a snap-fit ​​connection box for hoisting an arch bridge is provided, wherein the wall panel is provided with a slot, the slot opening is located on the side wall of the notch, and the slot has a side wall that coincides with the bottom wall of the notch.

[0011] According to the present invention, a fastening connection box for hoisting an arch bridge is provided, wherein two slots are symmetrically distributed on the wall panel, and the top plate is embedded in the slots.

[0012] According to the present invention, a fastening connection box for hoisting an arch bridge further includes a rib plate arranged parallel to the wall panel. The upper end face of the rib plate is connected to the top plate, the lower end face of the rib plate is connected to the bottom plate, and the side end face of the rib plate is connected to the web plate.

[0013] According to the present invention, a fastening connection box for hoisting an arch bridge also includes a reinforcing plate with a through hole, wherein the reinforcing plate is fitted and connected to the wall panel and aligned with the through hole.

[0014] According to the present invention, a fastening connection box for hoisting an arch bridge is provided, wherein two reinforcing plates are symmetrically arranged between two wall panels.

[0015] The above-mentioned one or more technical solutions of this utility model have at least one of the following technical effects: by setting a relatively sliding curved surface structure in the buckle connection box, the rope can swing in multiple directions relative to the buckle connection box, thereby greatly reducing the number of times the rope is bent and reducing the risk of the rope being broken.

[0016] In addition to the technical problems solved by this utility model, the technical features of the technical solutions constituted by this utility model, and the advantages brought about by these technical features, as described above, other technical features of this utility model and the advantages brought about by these technical features will be further explained in conjunction with the accompanying drawings, or can be learned through the practice of this utility model. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model or related technologies, the drawings used in the description of the embodiments or related technologies will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 A schematic diagram of the connection structure of the main arch steel pipe during the hoisting process provided in this embodiment of the utility model.

[0019] Figure 2 This is a structural schematic diagram of the first type of snap-fit ​​connection box provided in the embodiment of this utility model.

[0020] Figure 3 This is a structural schematic diagram of the second type of snap-on connection box provided in an embodiment of the present utility model.

[0021] Figure 4 This is a structural schematic diagram of the snap-fit ​​connection box provided in an embodiment of the present utility model from another perspective.

[0022] Figure 5 This is a structural schematic diagram of the snap-fit ​​connection box provided in an embodiment of the present utility model from another perspective.

[0023] Figure 6 Side view of the wall panel provided in the embodiment of this utility model Figure label: 10. Wall panel; 11. Notch; 12. Through hole; 13. Slot; 20. Base plate; 21. First through hole; 30. Top plate; 31. Concave arc surface; 32. Second through hole; 40. Pad plate; 41. Convex arc surface; 42. Anchor hole; 50. Web plate; 60. Rib plate; 70. Reinforcing plate; 100. Curved surface structure; 200. Main arch steel pipe; 300. Fastening point connector; 400. Rope; 500. Fastening point connector box. Detailed Implementation

[0024] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of this utility model will be clearly described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0025] Currently, during the construction of arch bridges, the main arch steel pipes are often cantilevered and symmetrically hoisted from both banks, and then joined together in the middle. Furthermore, a cable crane is used to transport the 200mm main arch steel pipes.

[0026] like Figure 1 As shown, each segment of the main arch steel pipe 200 has a fastening point connection seat 300 at both ends of its upper chord. During hoisting, the cable crane first connects the fastening point connection box 500 through the rope 400, and then the fastening point connection box 500 is hinged to the fastening point connection seat 300, after which the main arch steel pipe 200 is transported and assembled.

[0027] In an embodiment of this utility model, a snap-fit ​​connection box 500 for hoisting an arch bridge is described.

[0028] like Figure 2 As shown, the snap-fit ​​connection box 500 mainly includes a wall panel 10, a bottom panel 20, a top panel 30, and a pad 40.

[0029] The lower end of the wall panel 10 is provided with a notch 11. The upper end of the wall panel 10 is provided with a through hole 12. The two wall panels 10 are arranged parallel to each other and aligned end to end.

[0030] The base plate 20 is perpendicular to the surface of the wall panel 10. The base plate 20 is connected to the lower end face of the wall panel 10. The base plate 20 has a first through hole 21. The first through hole 21 is located between the two wall panels 10. Preferably, the first through hole 21 is located at the center of the base plate 20, and the two wall panels 10 are symmetrically distributed relative to the first through hole 21.

[0031] The top plate 30 is connected to the bottom wall of the notch 11. Furthermore, the top plate 30 is parallel to the bottom plate 20. The top plate 30 is provided with a second through hole 32. The second through hole 32 is aligned with the central axis of the first through hole 21.

[0032] The pad 40 is provided with anchor holes 42 for fixing ropes 400. The pad 40 abuts against the top plate 30 through the ropes 400 passing through the first through hole 21 and the second through hole 32.

[0033] The contact surfaces of the pad 40 and the top plate 30 are configured as relatively sliding curved surfaces 100, allowing the pad 40 to swing relative to the top plate 30. For example, one side of the pad 40 has a convex arc surface 41. The top plate 30 has a concave arc surface 31 on the side facing the pad 40. The pad 40 and the top plate 30 abut against each other through the convex arc surface 41 and the concave arc surface 31, allowing the pad 40 and the top plate 30 to slide relative to each other along the contact surfaces.

[0034] In this embodiment, by providing a relatively sliding curved surface structure 100 in the snap-fit ​​connection box 500, the rope 400 can swing in multiple directions relative to the snap-fit ​​connection box 500, thereby greatly reducing the number of bends of the rope 400 and reducing the risk of the rope 400 being broken.

[0035] Based on the above embodiments, another embodiment of this utility model introduces a snap-fit ​​connection box 500 for hoisting arch bridges.

[0036] The curved surface structure 100 includes a convex arc surface 41 disposed on the pad 40 and a concave arc surface 31 disposed on the top plate 30.

[0037] The arc-shaped convex surface 41 protrudes outward from the plate surface of the pad 40. The arc-shaped concave surface 31 is recessed inward from the plate surface of the top plate 30.

[0038] like Figure 3 As shown, in another embodiment of this utility model, the arcuate concave surface 31 is configured as a cylindrical curved surface symmetrically distributed relative to the second through hole 32. Furthermore, the central axis of the cylindrical curved surface is parallel to the wall panel 10.

[0039] The convex arc surface 41 is configured as a cylindrical curved surface. Furthermore, the curvature of the convex arc surface 41 is greater than or equal to the curvature of the concave arc surface 31.

[0040] Furthermore, such as Figure 2 and Figure 5 As shown, the concave arc surface 31 can also be configured as a spherical surface. The central axis of the spherical surface coincides with the central axis of the second through hole 32.

[0041] The convex arc surface 41 is correspondingly configured as a spherical surface. Furthermore, the diameter of the convex arc surface 41 is less than or equal to the diameter of the concave arc surface 31.

[0042] Based on the above embodiments, another embodiment of this utility model introduces a snap-fit ​​connection box 500 for hoisting arch bridges.

[0043] like Figure 4As shown, in order to improve the strength of the top plate 30 and prevent the top plate 30 from bending towards the bottom plate 20 under the tension of the rope 400, the fastening point connection box 500 also includes a web plate 50 installed between the top plate 30 and the bottom plate 20.

[0044] The surface of the web plate 50 is connected to the side wall of the notch 11. The web plate 50 is perpendicular to the surface of the wall panel 10. Furthermore, both ends of the web plate 50 are aligned with the end faces of the base plate 20.

[0045] Based on the above embodiments, another embodiment of this utility model introduces a snap-fit ​​connection box 500 for hoisting arch bridges.

[0046] like Figure 6 As shown, the wall panel 10 is provided with a slot 13. The opening of the slot 13 is located on the side wall of the notch 11. The slot 13 has a side wall that coincides with the bottom wall of the notch 11.

[0047] Furthermore, the two slots 13 are symmetrically distributed on the wall panel 10. The top plate 30 is embedded in the slots 13.

[0048] Furthermore, the snap-fit ​​connection box 500 also includes a rib 60 disposed parallel to the wall panel 10. The upper end face of the rib 60 is connected to the top plate 30. The lower end face of the rib 60 is connected to the bottom plate 20. The side end face of the rib 60 is connected to the web plate 50.

[0049] Based on the above embodiments, another embodiment of this utility model introduces a snap-fit ​​connection box 500 for hoisting arch bridges.

[0050] The snap-fit ​​connection box 500 also includes a reinforcing plate 70 with a through hole 12. The reinforcing plate 70 is fitted and connected to the wall panel 10 and aligned with the through hole 12. By setting the reinforcing plate 70, the stress distributed on both sides of the through hole 12 of the wall panel 10 is greatly reduced, which can prevent the wall panel 10 from tensile deformation under tension.

[0051] Furthermore, the two reinforcing plates 70 are symmetrically arranged between the two wall panels 10.

[0052] In the description of the embodiments of this utility model, it should be noted that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the embodiments of this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of this utility model. In addition, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0053] In the description of the embodiments of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in the embodiments of this utility model based on the specific circumstances.

[0054] In this embodiment of the utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0055] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms are not limited to the same embodiments or examples. Moreover, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Furthermore, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0056] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and not to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. A fastening point connection box for hoisting an arch bridge, characterized in that, include: The wall panel (10) has a notch (11) at its lower end and a through hole (12) at its upper end. The two wall panels (10) are arranged in parallel and aligned end to end. The base plate (20) is perpendicular to the surface of the wall panel (10) and connected to the lower end face of the wall panel (10). The base plate (20) is provided with a first through hole (21), which is located between the two wall panels (10). The top plate (30) is connected to the bottom wall of the notch (11) and parallel to the bottom plate (20), and the top plate (30) is provided with a second through hole (32). The pad (40) is provided with anchor holes (42) for securing the rope (400). The contact surface between the pad (40) and the top plate (30) is configured as a relatively sliding curved surface structure (100) for the pad (40) to swing relative to the top plate (30).

2. The fastening point connection box for hoisting an arch bridge according to claim 1, characterized in that, The curved surface structure (100) includes a convex arc surface (41) provided on the pad (40) and a concave arc surface (31) provided on the top plate (30). The arc-shaped convex surface (41) protrudes outward from the plate surface of the pad (40) and the arc-shaped concave surface (31) is recessed inward from the plate surface of the top plate (30).

3. The fasten point connection box for hoisting an arch bridge according to claim 2, characterized in that, The concave surface (31) is configured as a cylindrical curved surface symmetrically distributed relative to the second through hole (32), and the central axis of the cylindrical curved surface is parallel to the wall panel (10). The convex arc surface (41) is configured as a cylindrical curved surface, and the curvature of the convex arc surface (41) is greater than or equal to the curvature of the concave arc surface (31).

4. The fasten point connection box for hoisting an arch bridge according to claim 2, characterized in that, The concave surface (31) is set as a spherical surface, and the central axis of the spherical surface coincides with the central axis of the second through hole (32). The convex surface (41) is set as a spherical surface, and the diameter of the convex surface (41) is less than or equal to the diameter of the concave surface (31).

5. The fastening point connection box for hoisting an arch bridge according to any one of claims 1 to 4, characterized in that, It also includes a web plate (50) installed between the top plate (30) and the bottom plate (20), the surface of the web plate (50) being connected to the side wall of the notch (11), the web plate (50) being perpendicular to the surface of the wall plate (10) and its two ends being respectively aligned with the end face of the bottom plate (20).

6. The fasten point connection box for hoisting an arch bridge according to claim 5, characterized in that, The wall panel (10) is provided with a slot (13), the opening of the slot (13) is located on the side wall of the notch (11), and the slot (13) has a side wall that coincides with the bottom wall of the notch (11).

7. The fasten point connection box for hoisting an arch bridge according to claim 6, characterized in that, Two slots (13) are symmetrically distributed on the wall panel (10), and the top plate (30) is embedded in the slots (13).

8. The fasten point connection box for hoisting an arch bridge according to claim 7, characterized in that, It also includes a rib (60) arranged parallel to the wall panel (10), the upper end face of the rib (60) being connected to the top plate (30), the lower end face of the rib (60) being connected to the bottom plate (20), and the side end face of the rib (60) being connected to the web plate (50).

9. The fasten point connection box for hoisting an arch bridge according to claim 8, characterized in that, The reinforcing plate (70) provided with the through hole (12) is connected with the wallboard (10) in a close manner and the through hole (12) is aligned.

10. The fastening point connection box for hoisting an arch bridge according to claim 9, characterized in that, The two reinforcing plates (70) are symmetrically arranged between the two wallboards (10).

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