Reusable concrete-filled steel tube arch grout outlet pipe device

By designing a reusable steel pipe concrete arched pulp pipe device, the problem of high welding requirements in existing technologies, unable to use and unable to use the slurry tube and unplug the concrete And reuse.

CN222392285UActive Publication Date: 2025-01-24ROAD & BRIDGE INT CO LTD +1
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Patent Information

Application Number
CN202420539319.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-19
Publication Date
2025-01-24
Estimated Expiration
2034-03-19

AI Technical Summary

Technical Problem

In the construction of steel pipe concrete arch grouting, the existing technology has problems such as high welding requirements, inability to reuse the slurry pipe, and difficulty in pulling out after the concrete solidifies.

Method used

A reusable concrete-filled steel tube arch slurry outlet device is designed, including an arch rib body, a slurry outlet hole, a lining plate and a detachable slurry outlet pipe. The bottom of the pulp outlet pipe is detachably connected to the liner, so that the pulp outlet pipe is inserted into the pulp outlet hole and fixed through flanges and bolts to avoid welding and cutting.

Benefits of technology

The reuse of the pulp outlet pipe is realized, damage to the rib chord pipe is avoided during the welding process, and the service length of the pulp outlet pipe is ensured, so that it can be reused in conjunction with the rib chord pipe.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a reusable concrete filled steel tube arch grout outlet pipe device, which comprises an arch rib main body, the arch rib main body comprises an arch rib chord pipe, the arch rib chord pipe is provided with a grouting hole and a grout outlet hole, and the grout outlet hole is connected with a grout outlet pipe; lining plates are arranged at the grout outlet holes of the arch rib chord pipes, the lining plates are arranged on the inner sides of the arch rib chord pipes, one ends of the lining plates are fixed to the inner walls of the arch rib chord pipes, and the other ends of the lining plates extend towards the grout outlet holes to be exposed out of the notches of the grout outlet holes and do not shield the grout outlet holes; the bottom of the slurry outlet pipe is detachably connected to the lining plate so that the slurry outlet pipe can be inserted and embedded into the slurry outlet hole. After grouting is completed through the grout outlet holes and the grout outlet pipes, the grout outlet pipes can be detached from the arch rib chord pipes, the grout outlet pipes do not need to be welded, damage to the arch rib chord pipes in the welding process is avoided, the grout outlet pipes do not need to be cut after grouting is completed, the use length of the grout outlet pipes is guaranteed, and the service life of the grout outlet pipes is prolonged. And the slurry outlet pipe can be matched with the arch rib chord pipe for repeated use.
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Description

[Technical field]

[0001] The utility model belongs to the technical field of concrete arch pressure drop, in particular to a reusable steel tube concrete arch slurry pipe device. [Background technology]

[0002] During the grouting construction of steel tube concrete arches, concrete rises from the arch feet on both sides to the arch top, and then flows out from the arch top grouting pipe. After the grouting construction is completed, the arch top grouting pipe needs to be cut, and then the chord pipe grouting outlet is welded with a cover plate. However, when cutting the grouting pipe, it is easy to cause damage to the arch ribs, and after cutting, the length of the steel pipe becomes shorter and does not meet the grouting pipe length requirement, so it cannot be reused; In addition, the current technology has the following disadvantages:

[0003] (1) High welding requirements: The slurry outlet pipe is welded to the arch rib of the main structure. The arch rib chord tube must not be damaged during the welding process, otherwise it will affect the stress of the arch rib.

[0004] (2) After the grouting construction is completed, cutting the steel pipe along the outer side of the chord tube wall will shorten the length of the grouting pipe and make it impossible to reuse it.

[0005] (3) After the grouting construction is completed, the concrete in the grouting pipe solidifies and adheres closely to the pipe wall, making it difficult to pull out the grouting pipe.

[0006] Therefore, the present invention designs a reusable steel tube concrete arch slurry pipe device to solve the above problems. [Utility Model Content]

[0007] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model proposes a reusable steel tube concrete arch slurry pipe device, the technical solution adopted is:

[0008] A reusable steel tube concrete arch slurry pipe device includes an arch rib body, the arch rib body includes an arch rib chord tube, a grouting hole is opened at the arch foot of the arch rib chord tube, a slurry outlet hole is opened at the arch top, and a slurry outlet pipe is connected to the slurry outlet hole; a lining plate is provided at the slurry outlet hole of the arch rib chord tube, the lining plate is arranged on the inner side of the arch rib chord tube, one end of the lining plate is fixed on the inner wall of the arch rib chord tube, and the other end extends toward the slurry outlet hole to be exposed at the notch of the slurry outlet hole and does not cover the slurry outlet hole; the bottom of the slurry outlet pipe is detachably connected to the lining plate so that the slurry outlet pipe can be inserted into the slurry outlet hole.

[0009] According to a reusable steel tube concrete arch slurry outlet pipe device of an embodiment of the utility model, a flange is provided at the bottom of the slurry outlet pipe, and the slurry outlet pipe fixes the flange to the liner by bolts.

[0010] According to a reusable steel tube concrete arch slurry pipe device of an embodiment of the utility model, a slurry-stopping rubber ring is provided between the liner and the flange to prevent slurry leakage.

[0011] According to a reusable steel tube concrete arch slurry outlet pipe device of an embodiment of the utility model, a pair of lining plates are provided on the inner side of the arch rib chord tube, and the pair of lining plates are respectively arranged on both sides of the slurry outlet hole.

[0012] According to a reusable steel tube concrete arch slurry outlet pipe device according to an embodiment of the utility model, the slurry outlet pipe is a side opening and closing structure.

[0013] According to a reusable steel tube concrete arch slurry outlet pipe device according to an embodiment of the utility model, the slurry outlet pipe includes a pair of semicircular clamping tubes, one end of the pair of clamping tubes is hinged, and the other end can be fixed and locked by bolts.

[0014] According to a reusable steel tube concrete arch slurry pipe device of an embodiment of the utility model, flanges are respectively provided at the bottom of the pair of holding tubes, and open bolt grooves are provided at the side edges of the flanges.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The utility model discloses that after grouting is completed through the slurry outlet hole and the slurry outlet pipe, the slurry outlet pipe can be detached from the arch rib chord pipe without welding the slurry outlet pipe, thereby avoiding damage to the arch rib chord pipe during the welding process. After grouting is completed, there is no need to cut the slurry outlet pipe, thereby ensuring the use length of the slurry outlet pipe and enabling the slurry outlet pipe to be repeatedly used in conjunction with the arch rib chord pipe.

Brief Description of the Drawings

[0017] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0018] Figure 1 It is a structural schematic diagram of an embodiment of the utility model;

[0019] Figure 2 This is a schematic diagram of the connection structure between the slurry outlet pipe and the arch rib chord pipe in the embodiment of the utility model;

[0020] Figure 3 The structure of the slurry discharge pipe in the embodiment of the utility model is shown in FIG. Figure 1 (clamped state);

[0021] Figure 4 The structure of the slurry discharge pipe in the embodiment of the utility model is shown in FIG. Figure 2 (Separated state).

[0022] Description of main component symbols:

[0023] 10. Arch rib chord tube; 20. Grouting hole; 30. Slurry outlet hole; 40. Slurry outlet pipe; 41. Bracket; 50. Lining plate; 60. Flange; 61. Open bolt groove; 70. Slurry stop rubber ring. [Specific implementation method]

[0024] The embodiments of the present invention are described in detail below. The embodiments are shown in the accompanying drawings, wherein the same or similar numbers throughout represent the same or similar elements or elements with the same or similar functions.

[0025] The orientation shown in the drawings cannot be understood as limiting the specific protection scope of the present utility model, and is only provided for reference and understanding of the preferred embodiments. The product components shown in the drawings may be changed in position, increased in number, or simplified in structure.

[0026] The "connection" described in the specification and the mutual "connection" relationship of the components shown in the drawings can be understood as a fixed connection or a detachable connection or an integral connection; it can be a direct connection or a connection through an intermediate medium. Ordinary technicians in this field can understand the connection relationship according to the specific circumstances and can derive different implementation methods in an appropriate manner such as screwing, riveting, welding, clamping or embedding.

[0027] With respect to the directional words such as up, down, left, right, top, bottom, etc. described in the specification and the directions shown in the drawings, the components may be in direct contact or in contact through other features between them; for example, "above" may mean directly above or obliquely above, or it simply means higher than other objects; other directions may be understood by analogy.

[0028] The materials for making parts with solid shapes shown in the specification and the drawings may be metal materials, non-metal materials or other synthetic materials; the mechanical processing techniques used for parts with solid shapes may be stamping, forging, casting, wire cutting, laser cutting, injection molding, CNC milling, 3D printing, machining, etc.; ordinary technicians in this field can adaptively select or combine them according to different processing conditions, costs, and precisions, but are not limited to the above-mentioned materials and manufacturing processes.

[0029] The utility model is a reusable steel tube concrete arch slurry pipe device, such as Figure 1 , 2As shown, it includes an arch rib body, which includes an arch rib chord tube 10, a grouting hole 20 is opened at the arch foot of the arch rib chord tube 10, a slurry outlet hole 30 is opened at the arch top, and a slurry outlet pipe 40 is connected to the slurry outlet hole 30; a lining plate 50 is provided at the slurry outlet hole 30 of the arch rib chord tube 10, and the lining plate 50 is arranged on the inner side of the arch rib chord tube 10, one end of which is fixed on the inner wall of the arch rib chord tube 10, and the other end extends toward the slurry outlet hole 30 and is exposed at the notch of the slurry outlet hole 30 without covering the slurry outlet hole 30; the bottom of the slurry outlet pipe 40 is detachably connected to the lining plate 50 so that the slurry outlet pipe 40 can be inserted into the slurry outlet hole 30.

[0030] After grouting is completed through the slurry outlet hole 30 and the slurry outlet pipe 40, the utility model can remove the slurry outlet pipe 40 from the arch rib chord tube 10 without welding the slurry outlet pipe 40, thereby avoiding damage to the arch rib chord tube 10 during the welding process. After grouting is completed, there is no need to cut the slurry outlet pipe 40, thereby ensuring the use length of the slurry outlet pipe 40, so that the slurry outlet pipe 40 can be reused in conjunction with the arch rib chord tube 10.

[0031] Further, in some embodiments of the present utility model application, such as Figure 2 As shown, a flange 60 is provided at the bottom of the slurry outlet pipe 40 , and the slurry outlet pipe 40 is fixed to the liner 50 by bolts, which greatly facilitates the installation and removal of the slurry outlet pipe 40 .

[0032] In order to prevent the slurry from leaking and contaminating the arch rib chord tube 10, further, in some embodiments of the present utility model application, such as Figure 2 As shown, a slurry-stopping rubber ring 70 is provided between the lining plate 50 and the flange 60 to prevent the slurry from leaking out from between the lining plate 50 and the flange 60 .

[0033] In order to ensure the stability of the installation of the slurry outlet pipe 40, further, in some embodiments of the present utility model application, such as Figure 2 As shown, a pair of lining plates 50 are provided on the inner side of the arch rib chord tube 10 , and the pair of lining plates 50 are respectively provided on both sides of the slurry outlet hole 30 .

[0034] Further, in some embodiments of the present utility model application, such as Figure 3 , 4As shown, the slurry outlet pipe 40 is a side opening and closing structure, which is greatly different from the whole pipe design of the prior art. After the grouting of the slurry outlet pipe 40 is completed, the bolts at the bottom of the slurry outlet pipe 40 are first removed to separate the slurry outlet pipe 40 from the arch rib chord pipe 10, and then the steel pipe wall is opened by the side opening and closing design to avoid the concrete in the pipe being closely attached to the pipe wall, which makes it impossible to remove the slurry outlet pipe 40. Moreover, there is no need to cut the slurry outlet pipe 40, and no irreversible damage will be caused to the structure of the slurry outlet pipe 40 during use, and it can be reused. Specifically, the slurry outlet pipe 40 includes a pair of semicircular clasping tubes 41, and the pair of clasping tubes 41 are hinged at one end, and the other end can be fixed and locked by bolts. When in use, the pair of clasping tubes 41 are clasped together, and then fixed and locked with bolts to form a slurry outlet pipe 40 for grouting operations. After use, the bolts are first removed, and then the pair of clasping tubes 41 are separated.

[0035] Further, in some embodiments of the present utility model application, such as Figure 3 , 4 As shown, flanges 60 are respectively provided at the bottom of the pair of holding tubes 41 , and open bolt grooves 61 are provided at the side edges of the flanges 60 .

[0036] Although the utility model is described in detail with reference to the above embodiments, it is obvious to those skilled in the art through this disclosure that various changes or modifications can be made to the utility model without departing from the principle and spirit of the utility model defined by the claims. Therefore, the detailed description of the embodiments of the present disclosure is only used to explain, not to limit the utility model, but the scope of protection is limited by the content of the claims.

Claims

1. A reusable concrete-filled steel tube arch slurry pipe device, characterized in that: The invention comprises an arch rib body, wherein the arch rib body comprises an arch rib chord tube (10), a grouting hole (20) is opened at the arch foot of the arch rib chord tube (10), a slurry outlet hole (30) is opened at the arch top, and a slurry outlet pipe (40) is connected to the slurry outlet hole (30); a lining plate (50) is provided at the slurry outlet hole (30) of the arch rib chord tube (10), and the lining plate (50) is arranged on the inner side of the arch rib chord tube (10), one end of which is fixed on the inner wall of the arch rib chord tube (10), and the other end extends toward the slurry outlet hole (30) and is exposed at the notch of the slurry outlet hole (30) without covering the slurry outlet hole (30); the bottom of the slurry outlet pipe (40) is detachably connected to the lining plate (50) so that the slurry outlet pipe (40) is inserted into the slurry outlet hole (30).

2. A reusable concrete-filled steel tube arch slurry pipe device according to claim 1, characterized in that: A flange (60) is provided at the bottom of the slurry outlet pipe (40), and the slurry outlet pipe (40) fixes the flange (60) to the liner (50) by means of bolts.

3. A reusable concrete-filled steel tube arch slurry pipe device according to claim 2, characterized in that: A slurry-stopping rubber ring (70) is provided between the lining plate (50) and the flange (60) to prevent slurry leakage.

4. A reusable concrete-filled steel tube arch slurry pipe device according to claim 2, characterized in that: A pair of lining plates (50) are provided on the inner side of the arch rib chord tube (10), and the pair of lining plates (50) are respectively provided on both sides of the slurry outlet hole (30).

5. The reusable concrete-filled steel tube arch slurry pipe device according to claim 1, characterized in that: The slurry outlet pipe (40) is a side opening and closing structure.

6. A reusable concrete-filled steel tube arch slurry pipe device according to claim 2, characterized in that: The slurry outlet pipe (40) comprises a pair of semicircular holding tubes (41), wherein the pair of holding tubes (41) are hinged at one end and the other end can be fixed and locked by bolts.

7. A reusable concrete-filled steel tube arch slurry pipe device according to claim 6, characterized in that: Flange plates (60) are respectively provided at the bottom of the pair of holding tubes (41), and open bolt grooves (61) are provided at the side edges of the flange plates (60).