Prefabricated underground pipe gallery structure

Through the integrated connection between the inner slot holes, outer slot holes and the secondary reinforced frame of the prefabricated underground pipe corridor structure, the problem of large pipe corridors and weak compressive and deformation resistance in the prior art is solved, and the effect of convenient handling and structural stability is achieved.

CN223151226UActive Publication Date: 2025-07-25NANJING ANJU JIANHE CONSTR TECH CO LTD
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Patent Information

Application Number
CN202422362944.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-27
Publication Date
2025-07-25
Estimated Expiration
2034-09-27

AI Technical Summary

Technical Problem

The existing underground comprehensive pipeline corridor adopts a cast-in-place structure of reinforced concrete, which leads to large volume and inconvenient transportation of the overall prefabricated pipeline corridor, and lacks support beam structures inside, and has weak compressive and deformation resistance.

Method used

The prefabricated underground pipe corridor structure is adopted, including prefabricated rib frames and prefabricated roof panels. The integrated connection method of inner slot holes, outer slot holes, inner slots and secondary reinforced frames is used to combine threaded connections and high-strength bolts to form an overall structure to enhance compressive resistance and stability.

Benefits of technology

Through segmented prefabrication and fitting connection, the compressive resistance and structural stability of the pipe corridor are improved, making the pipe corridor structure more convenient during handling and installation, and the overall support and reinforcement effect is enhanced.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of underground pipe galleries, in particular to a prefabricated underground pipe gallery structure which comprises a prefabricated rib frame and a prefabricated top plate, the prefabricated top plate is embedded in the top side of the prefabricated rib frame, an inner groove hole is formed in the top protruding end of the prefabricated rib frame in a penetrating mode, and inner clamping grooves are formed in the two sides of the bottom of the prefabricated top plate. Outer groove holes are formed in the protruding ends of the two sides of the prefabricated top plate in a penetrating mode, a secondary reinforcing framework is embedded in the inner side of the prefabricated rib frame, a fixing plate is installed at the middle end of the bottom of the prefabricated top plate, a reinforcing rod is installed on the inner side of the fixing plate, threaded rods are fixed to the two sides of the reinforcing rod, and side rods are arranged on the outer sides of the threaded rods in a sleeving mode. The underground comprehensive pipe gallery solves the problems that in the prior art, an underground comprehensive pipe gallery is generally formed by pouring a reinforced concrete cast-in-place structure, an integrally poured prefabricated pipe gallery is large in size and inconvenient to carry, the interior of a pipe gallery prefabricated part lacks a good supporting beam body structure, and then the compression resistance and deformation resistance of the prefabricated pipe gallery are poor.
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Description

Technical Field

[0001] The utility model relates to the technical field of underground pipe galleries, and specifically relates to a prefabricated underground pipe gallery structure. Background Art

[0002] Traditional underground integrated pipe galleries generally adopt a cast-in-place reinforced concrete structure. After excavation, foundation treatment and slope support are carried out first, and then steel bars are laid, formwork is supported, and concrete is poured to form a pipeline structure, which is often rectangular or circular. After the concrete is poured and reaches the use strength, internal brackets and pipelines are installed;

[0003] The existing underground integrated pipe galleries are generally cast by a cast-in-place reinforced concrete structure. The prefabricated pipe galleries with integral casting are large in volume and inconvenient to carry, and the internal part of the prefabricated pipe gallery lacks a good supporting beam structure. Therefore, the compressive and anti-deformation abilities of the prefabricated pipe gallery are weak.

[0004] Therefore, in view of this, research and improvement are carried out on the existing structure and deficiencies, and a prefabricated underground pipe gallery structure is proposed, with the aim of achieving a more practical value. Content of the Utility Model

[0005] The purpose of the utility model is to provide a prefabricated underground pipe gallery structure to solve the problems raised in the above background art.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A prefabricated underground pipe gallery structure, including a prefabricated steel bar frame and a prefabricated top plate. The top side of the prefabricated steel bar frame is embedded with the prefabricated top plate. The top protruding end of the prefabricated steel bar frame is penetrated with an inner slot hole. The two sides of the bottom of the prefabricated top plate are provided with inner card slots. The protruding ends on both sides of the prefabricated top plate are penetrated with outer slot holes. A secondary reinforcement framework is embedded inside the prefabricated steel bar frame. The middle end of the bottom of the prefabricated top plate is provided with a fixing plate, and a reinforcement rod is installed inside the fixing plate. Both sides of the reinforcement rod are fixed with threaded rods, and side rods are sleeved outside the threaded rods.

[0007] Furthermore, high-strength bolts are installed on both sides of the connection end of the prefabricated steel bar frame and the secondary reinforcement framework.

[0008] Furthermore, a fitting groove is opened inside the fixing plate, and the size of the fitting groove matches that of the reinforcement rod.

[0009] Furthermore, a reserved hole is opened in the middle of the prefabricated top plate.

[0010] Furthermore, the reinforcement rod is threadedly connected between the threaded rod and the side rod.

[0011] Furthermore, the side rod penetrates through the inside of the inner slot hole and the outer slot hole.

[0012] Furthermore, the prefabricated reinforcement frame and the precast roof slab are engaged with each other in a concave-convex manner through internal card slots.

[0013] The utility model provides a precast underground pipe gallery structure, which has the following beneficial effects:

[0014] 1. In the utility model, the whole pipe gallery structure is divided into two upper and lower precast structures. The connection part uses an engaging method to ensure the connection strength between the upper and lower precast components. A rectangular secondary reinforcement framework is arranged inside the whole pipe gallery structure, which can support and reinforce the surrounding precast structures, further enhancing the stability of the pipe gallery structure.

[0015] 2. In the utility model, at the connection part of the upper and lower precast structures of the pipe gallery structure, internal slot holes and external slot holes are provided. When installing, side rods are arranged inside the slot holes. The side rods can adjust the transverse length of the two ends of the side rods by using the threaded rods sleeved inside, so as to match the width of the pipe gallery structure, lock and fix the upper and lower precast structures, and cooperate with the fixing plate that fixedly connects the reinforcement rod and the precast roof slab, so that the whole pipe gallery structure forms a whole, improving the compressive capacity and structural stability of the pipe gallery. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Referring to the accompanying drawings, the disclosure of the utility model will become more understandable. It is easy for those skilled in the art to understand that these drawings are only used to illustrate the technical solutions of the utility model and are not intended to limit the protection scope of the utility model. In the drawings:

[0017] Figure 1 is a schematic cross-sectional internal structure view of a precast underground pipe gallery structure of the utility model;

[0018] Figure 2 is a Figure 1 partial enlarged structure view at A of the precast underground pipe gallery structure of the utility model;

[0019] Figure 3 is a schematic three-dimensional structure view of the fixing plate of a precast underground pipe gallery structure of the utility model.

[0020] In the drawings: 1. Prefabricated reinforcement frame; 101. Internal slot hole; 2. Precast roof slab; 201. Internal card slot; 202. External slot hole; 3. Secondary reinforcement framework; 4. Reserved hole; 5. Reinforcement rod; 501. Side rod; 502. Threaded rod; 6. Fixing plate; 601. Engaging slot; 7. High-strength bolt. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0022] Please refer to Figures 1-3 , the present invention provides a technical solution: a prefabricated underground pipe gallery structure, including a prefabricated steel bar frame 1 and a prefabricated top plate 2. The top side of the prefabricated steel bar frame 1 is embedded with the prefabricated top plate 2. The top raised end of the prefabricated steel bar frame 1 is penetrated with an inner slot hole 101. Inner card slots 201 are opened on both sides of the bottom of the prefabricated top plate 2. Outer slot holes 202 are penetrated through the raised ends on both sides of the prefabricated top plate 2. A secondary reinforcement framework 3 is embedded inside the prefabricated steel bar frame 1. A fixing plate 6 is installed in the middle of the bottom of the prefabricated top plate 2. And a reinforcement rod 5 is installed inside the fixing plate 6. Both sides of the reinforcement rod 5 are fixed with threaded rods 502. And a side rod 501 is sleeved outside the threaded rod 502; High-strength bolts 7 are installed on both sides of the connection ends of the prefabricated steel bar frame 1 and the secondary reinforcement framework 3; A fitting groove 601 is opened inside the fixing plate 6. And the sizes of the fitting groove 601 and the reinforcement rod 5 match each other; A reserved hole 4 is opened in the middle of the prefabricated top plate 2; The reinforcement rod 5 constitutes a threaded connection between the threaded rod 502 and the side rod 501; The side rod 501 penetrates through the inner slot hole 101 and the inside of the outer slot hole 202; The prefabricated steel bar frame 1 and the prefabricated top plate 2 are mutually embedded in a concave-convex manner through the inner card slot 201;

[0023] The entire pipe gallery structure is divided into two upper and lower prefabricated structures. The connection part uses an embedded method to ensure the connection strength between the upper and lower prefabricated parts. A rectangular secondary reinforcement framework 3 is arranged inside the entire pipe gallery structure, which can support and reinforce the surrounding prefabricated structures, further enhancing the stability of the pipe gallery structure;

[0024] At the connection of the upper and lower prefabricated structures of the pipe gallery structure, inner slot holes 101 and outer slot holes 202 are provided. When installed, a side rod 501 is arranged inside the slot holes. The side rod 501 can use the threaded rod 502 sleeved inside to adjust the transverse length of the side rods 501 at both ends, so as to match the width of the pipe gallery structure, lock and fix the upper and lower prefabricated structures, and cooperate with the fixing plate 6 that fixedly connects the reinforcement rod 5 and the prefabricated top plate 2, so that the entire pipe gallery structure can form a whole, improving the compressive capacity and structural stability of the pipe gallery.

[0025] As described above, it is only the specific implementation manner of the present utility model, but the protection scope of the present utility model is not limited thereto. Any changes or substitutions that can be thought of by those skilled in the art within the technical scope disclosed by the present utility model without creative labor should be covered within the protection scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope defined by the claims.

Claims

1. A prefabricated underground pipe gallery structure, comprising a prefabricated steel framework (1) and a prefabricated top plate (2), characterized in that: The top side of the prefabricated reinforcement frame (1) is embedded with a prefabricated top plate (2). The top raised end of the prefabricated reinforcement frame (1) is penetrated with an inner slot hole (101). The two sides of the bottom of the prefabricated top plate (2) are provided with inner clamping slots (201). The two raised ends of the prefabricated top plate (2) are penetrated with outer slot holes (202). A secondary reinforcement framework (3) is embedded inside the prefabricated reinforcement frame (1). A fixing plate (6) is installed at the middle of the bottom of the prefabricated top plate (2), and a reinforcement rod (5) is installed inside the fixing plate (6). Both sides of the reinforcement rod (5) are fixed with threaded rods (502), and a side rod (501) is sleeved outside the threaded rod (502).

2. The prefabricated underground pipe gallery structure according to claim 1, characterized in that, High-strength bolts (7) are installed on both sides of the connection end between the prefabricated reinforcement frame (1) and the secondary reinforcement framework (3).

3. A prefabricated underground pipe gallery structure according to claim 1, characterized in that, An embedding groove (601) is opened inside the fixing plate (6), and the size of the embedding groove (601) matches that of the reinforcement rod (5).

4. A prefabricated underground pipe gallery structure according to claim 1, characterized in that, A reserved hole (4) is opened in the middle of the prefabricated top plate (2).

5. A prefabricated underground pipe gallery structure according to claim 1, characterized in that, The reinforcement rod (5) forms a threaded connection between the threaded rod (502) and the side rod (501).

6. A prefabricated underground pipe gallery structure according to claim 1, characterized in that The side rod (501) penetrates through the inside of the inner slot hole (101) and the outer slot hole (202).

7. A prefabricated underground pipe gallery structure according to claim 1, characterized in that, The prefabricated reinforcement frame (1) and the prefabricated top plate (2) are mutually embedded in a concave-convex manner through the inner clamping slot (201).