Urban underground concrete pipe gallery

Abstract

The utility model discloses an urban underground concrete pipe gallery, and relates to the field of concrete pipe galleries. The fireproof pipe gallery comprises a first pipe gallery body and a second pipe gallery body, the inner side of the second pipe gallery body is provided with a fireproof partition wall mechanism, the fireproof partition wall mechanism comprises a partition wall main frame, and areas allowing external cables to penetrate through are formed between the two sides of the partition wall main frame and the inner wall of the second pipe gallery body. According to the mechanism, the fireproof partition wall is equally divided into a plurality of modules through the plurality of supporting cross rods, when a new cable needs to be laid, a constructor only needs to disassemble the fireproof partition wall module in the corresponding area, the cable can easily penetrate through the fireproof partition wall, tedious overall disassembly of the whole fireproof partition wall is not needed, the workload of cable laying is remarkably reduced, and the construction efficiency is improved. The construction efficiency is improved, the functional practicability and safety of the pipe gallery fireproof separating wall are remarkably improved, and the problem that a traditional fireproof separating wall is integrally disassembled in the cable laying process is successfully solved.

Description

Technical Field

[0001] This utility model relates to the field of concrete pipe corridors, specifically an urban underground concrete pipe corridor. Background Technology

[0002] Precast concrete pipe galleries are pipeline projects formed by factory-produced, standardized concrete components and on-site assembly. They are widely used in urban municipal engineering and other fields. Their advantages include short construction period, easy quality control, convenient installation, high cost-effectiveness, and energy saving and environmental protection. Precast components are manufactured at the production base and then transported to the site for assembly. Joint treatment ensures waterproof sealing. With the advancement of urbanization and the development of underground space, the application of precast concrete pipe galleries will become more widespread, becoming an important method of urban infrastructure construction. With technological progress and material innovation, their performance and quality will continue to improve, providing strong support for urban development.

[0003] Patent No.: CN115627802A, "Assemblable structure for fire compartments in underground integrated utility tunnels". This invention, as the first prior art document of this utility model, sets the fire-resistant partition wall of the traditional utility tunnel as an assemblable structure, specifically divided into: detachable assembly of door frame columns, door frame crossbars, fixed connecting rods, etc. It is described that "the top of the fire door frame is detachably installed by bolts through angle steel, and the bottom of the fire door frame is detachably installed by pull-out components, which is convenient for disassembly. It can be completely or disassembled during subsequent cable laying to avoid damage to the fire-resistant partition wall during subsequent cable laying, and it can also ensure the reliable installation of fire doors and fireproof boards, meeting the requirements of fire compartments in underground integrated utility tunnels".

[0004] The aforementioned comparative documents reveal certain shortcomings in actual use. Specifically, cable supports are traditionally used for cable placement. When laying cable conduits through fire-resistant partition walls, large-scale, comprehensive laying operations are not typically carried out. Instead, single or a few cables are laid. According to the comparative documents, when laying a small number of cables, the entire fire-resistant partition wall still needs to be dismantled, which undoubtedly increases the workload of cable laying and reduces the functionality and practicality of the utility tunnel. Utility Model Content

[0005] Based on this, the purpose of this utility model is to provide an urban underground concrete pipe gallery to solve the technical problem that the dismantling of fireproof partition walls is cumbersome and increases the workload when laying cables in existing concrete pipe galleries.

[0006] To achieve the above objectives, this utility model provides the following technical solution: an urban underground concrete pipe gallery, including a first pipe gallery and a second pipe gallery. A fireproof partition wall mechanism is installed on the inner side of the second pipe gallery, and the fireproof partition wall mechanism includes a partition wall main frame. An area for external cables to pass through is formed between the two sides of the partition wall main frame and the inner wall of the second pipe gallery. This area is divided into several regions by several supporting crossbars. The supporting crossbars are detachably connected to the partition wall main frame and the second pipe gallery by mounting feet.

[0007] By adopting the above technical solution, a fireproof partition wall mechanism was designed inside the second utility tunnel. The core of this mechanism is to use multiple support crossbars to divide the area on both sides of the main frame of the partition wall into several modules. The installation positions of these support crossbars are precisely set to ensure that they are completely consistent with the horizontal position of the cable support rods in the first utility tunnel. In this way, when it is necessary to lay new cables and pass through the fireproof partition wall, the construction personnel only need to disassemble the modules in the corresponding area to easily complete the cable crossing work, without having to disassemble the entire fireproof partition wall.

[0008] Furthermore, the interior of the first pipe gallery is equipped with several cable supports, which are welded and fixed by the support body and several supporting rods.

[0009] By adopting the above technical solution, the cable supports installed inside the first pipe gallery provide a stable and orderly support structure for the cables, ensuring the sturdiness and durability of the supports. The main body of the support serves as the skeleton of the cable support, providing the main support force for the cables, while the supporting rods further refine the support points, enabling the cables to be evenly distributed and avoiding damage or deformation caused by excessive local stress.

[0010] Furthermore, the horizontal positions of several of the aforementioned receiving rods correspond one-to-one with those of the supporting crossbars, which are used to support the placement of external cables.

[0011] By adopting the above technical solution, it is ensured that when the cable passes through the fireproof partition wall, it can smoothly transition from the cable bracket to the support structure of the fireproof partition wall, avoiding cable jamming or damage caused by mismatch in position. The receiving rod, as part of the cable bracket, firmly supports the cable, while the support crossbar, as part of the fireproof partition wall mechanism, provides continuous support points for the cable passing through the firewall.

[0012] Furthermore, a top beam is fixedly installed on the top of the main frame of the partition wall, and the top beam is bolted to the second pipe gallery.

[0013] By adopting the above technical solution, the top beam, as the horizontal support at the top of the fireproof partition wall, can effectively resist the pressure or impact from above, ensuring that the fireproof partition wall will not deform or collapse during long-term use.

[0014] Furthermore, a reinforcing beam is installed on the inner side of the main frame of the partition wall via mounting feet. A fireproof board is installed in the area between the top of the reinforcing beam and the main frame of the partition wall, and the area between the bottom of the reinforcing beam and the main frame of the partition wall is used to provide a reserved area for the installation of fire doors.

[0015] By adopting the above technical solutions, the overall structural strength and stability of the fireproof partition wall are enhanced. The reinforced beams, as the lateral supports inside the fireproof partition wall, can effectively disperse and bear the pressure or impact from all sides, ensuring that the fireproof partition wall remains stable during long-term use. At the same time, the detachable installation of the reinforced beams makes it easy for construction personnel to flexibly adjust or replace them according to actual needs, improving the convenience of construction and maintenance.

[0016] Furthermore, mounting plates are installed on both sides of the inner wall of the first pipe gallery, and cable brackets are bolted to the mounting plates.

[0017] By adopting the above technical solution, the mounting plate, as a support platform for the cable bracket, can evenly distribute the weight of the cable bracket and the cable it carries, avoiding direct pressure on the inner wall of the pipe gallery, thereby protecting the integrity of the pipe gallery structure.

[0018] Furthermore, the first and second pipe corridors are respectively provided with grooves and protrusions at both ends to provide splicing guidance, and water-swellable rubber strips are installed on the inner side of the grooves.

[0019] By adopting the above technical solution, during the installation of the pipe gallery, the protrusions can be accurately inserted into the grooves, playing a role in positioning and alignment, ensuring seamless connection between pipe galleries, which not only simplifies the construction process, but also improves the accuracy and efficiency of splicing, and avoids problems such as water leakage and air leakage caused by misalignment.

[0020] In summary, the present invention has the following main advantages:

[0021] This utility model utilizes a fireproof partition wall mechanism. This mechanism divides the fireproof partition wall into several modules using multiple supporting crossbars. The installation positions of these supporting crossbars are consistent with the horizontal positions of the receiving rods of the cable brackets in the first pipe gallery. Thus, when new cables need to be laid, construction workers only need to disassemble the corresponding fireproof partition wall module to easily pass the cable through, eliminating the need for cumbersome overall disassembly of the entire fireproof partition wall. This significantly reduces the workload of cable laying and improves construction efficiency. At the same time, because the fireproof partition wall is rationally divided into several independent modules by the supporting crossbars, each module is structurally relatively independent and stable. Therefore, disassembling a single module to lay cables will not affect the stability of the main frame of the partition wall or other modules. This modular design not only greatly facilitates cable laying but also ensures the overall structural stability of the fireproof partition wall, thereby significantly improving the functionality, practicality, and safety of the pipe gallery fireproof partition wall. It successfully solves the problem of overall disassembly of traditional fireproof partition walls during cable laying. Attached Figure Description

[0022] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0023] Figure 2 This is a schematic diagram of the cross-sectional structure of the fireproof partition wall mechanism of this utility model;

[0024] Figure 3 This is a schematic diagram of the cable bracket arrangement structure of this utility model;

[0025] Figure 4 This utility model Figure 2 Enlarged structural diagram at point A in the middle.

[0026] In the diagram: 101, First pipe gallery; 102, Second pipe gallery; 2, Mounting plate; 3, Cable bracket; 301, Bracket body; 302, Support rod; 4, Groove; 5, Water-swellable rubber strip; 6, Fireproof partition wall mechanism; 601, Main frame of partition wall; 602, Top beam; 603, Reinforcing beam; 604, Supporting crossbar; 605, Mounting foot plate. Detailed Implementation

[0027] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0028] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing 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 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.

[0029] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation", "connection", "linking", and "setting" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; and they can refer to the internal connection of two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0030] The embodiments of this utility model will be described below based on its overall structure.

[0031] Example 1:

[0032] A type of urban underground concrete utility tunnel, such as Figures 1-4As shown, the system includes a first pipe gallery 101 and a second pipe gallery 102. A fireproof partition wall mechanism 6 is installed inside the second pipe gallery 102. The fireproof partition wall mechanism 6 includes a partition wall main frame 601. An area for external cables to pass through is formed between the two sides of the partition wall main frame 601 and the inner wall of the second pipe gallery 102. This area is divided into several equal parts by several supporting crossbars 604. The supporting crossbars 604 are detachably connected to the partition wall main frame 601 and the second pipe gallery 102 via mounting feet 605. The fireproof partition wall mechanism 6 is designed inside the second pipe gallery 102. The core of this mechanism is to use multiple supporting crossbars 604 to divide the area on both sides of the partition wall main frame 601 into several modules. The installation positions of these supporting crossbars 604 are precisely set to ensure their connection with the first pipe gallery 102. The horizontal positions of the receiving rods 302 of the inner cable bracket 3 are completely consistent. In this way, when new cables need to be laid and pass through the fireproof partition wall, the construction personnel only need to disassemble the modules in the corresponding areas to easily complete the cable crossing work, without having to disassemble the entire fireproof partition wall. At the same time, since the fireproof partition wall is reasonably divided into multiple independent and stable modules by the supporting crossbars 604, this modular design ensures that disassembling a single module will not have any negative impact on the installation structure stability of the partition wall main frame 601 or other adjacent modules. This not only greatly improves the convenience and efficiency of cable laying, but also ensures the stability and reliability of the fireproof partition wall during long-term use, thereby significantly improving the functionality, practicality and overall performance of the pipe gallery fireproof partition wall.

[0033] See Figure 1 , Figure 3 The first pipe gallery 101 is equipped with several cable supports 3. The cable supports 3 are welded and fixed by the support body 301 and several supporting rods 302. The cable supports 3 installed inside the first pipe gallery 101 provide a stable and orderly support structure for the cables, ensuring the sturdiness and durability of the supports. The support body 301, as the skeleton of the cable supports 3, provides the main support force for the cables, while the supporting rods 302 further refine the support points, so that the cables can be evenly distributed, avoiding damage or deformation caused by excessive local stress. At the same time, this cable support 3 setting, which is welded and fixed by the support body 301 and the supporting rods 302, also greatly improves the convenience and efficiency of cable laying. Construction personnel can quickly and accurately place the cables on the supports according to actual needs and fix them by the supporting rods 302 without the need for complicated adjustments or reinforcement work.

[0034] See Figure 1 , Figure 3Several receiving rods 302 and support crossbars 604 are positioned one-to-one to support the external cables, ensuring that the cables can smoothly transition from the cable bracket 3 to the support structure of the fireproof partition wall when passing through it. This avoids cable jamming or damage caused by mismatched positions. The receiving rods 302, as part of the cable bracket 3, firmly support the cables, while the support crossbars 604, as part of the fireproof partition wall mechanism 6, provide continuous support points for cables crossing the firewall. At the same time, this one-to-one correspondence design greatly improves the accuracy and efficiency of cable laying. Construction personnel can quickly and accurately locate the cable laying path based on the positions of the receiving rods 302 and support crossbars 604 without the need for complex measurement or adjustment work.

[0035] See Figure 2 A top beam 602 is fixedly installed on the top of the main frame 601 of the fireproof partition wall, and the top beam 602 is bolted to the second pipe gallery 102. As a horizontal support at the top of the fireproof partition wall, the top beam 602 can effectively resist pressure or impact from above, ensuring that the fireproof partition wall will not deform or collapse during long-term use. At the same time, the bolted installation of the top beam 602 to the second pipe gallery 102 also greatly improves the installation efficiency and convenience of the fireproof partition wall. Construction workers can firmly fix the top beam 602 to the top of the second pipe gallery 102 with simple bolt connections, without the need for complicated welding or pouring work. This not only saves construction time and costs, but also facilitates subsequent inspection or replacement of the fireproof partition wall.

[0036] See Figure 2 , Figure 4A reinforcing beam 603 is installed on the inner side of the main frame 601 of the fireproof partition wall via mounting feet 605. Fireproof boards are installed in the area between the top of the reinforcing beam 603 and the main frame 601. The area between the bottom of the reinforcing beam 603 and the main frame 601 provides a reserved area for the installation of fire doors, enhancing the overall structural strength and stability of the fireproof partition wall. As a lateral support within the fireproof partition wall, the reinforcing beam 603 effectively disperses and withstands pressure or impact from all directions, ensuring the fireproof partition wall remains stable during long-term use. Furthermore, the detachable installation of the reinforcing beam 603 facilitates construction. Workers can flexibly adjust or replace the sections according to actual needs, improving the convenience of construction and maintenance. Meanwhile, fireproof boards are installed in the area between the top of the reinforcing beam 603 and the main frame 601 of the partition wall, further enhancing the fire resistance of the fireproof partition wall. As a flame-retardant material, the fireproof boards can effectively prevent the spread of fire and protect cables and other equipment in the pipe gallery from fire damage. The area between the bottom of the reinforcing beam 603 and the main frame 601 of the partition wall is reserved for the installation of fire doors, which not only facilitates the subsequent installation and use of fire doors, but also ensures that the fireproof partition wall can be quickly opened in an emergency, providing convenience for rescue and evacuation.

[0037] Example 2:

[0038] See Figure 1 , Figure 3 Mounting plates 2 are installed on both sides of the inner wall of the first pipe gallery 101. Cable supports 3 are bolted to the mounting plates 2. The mounting plates 2 serve as a support platform for the cable supports 3, which can evenly distribute the weight of the cable supports 3 and the cables they carry, avoiding direct pressure on the inner wall of the pipe gallery, thus protecting the integrity of the pipe gallery structure. At the same time, the flat surface of the mounting plates 2 also provides a good positioning reference for the installation of the cable supports 3, ensuring the accuracy and stability of the cable support installation. Construction personnel can firmly fix the cable supports 3 to the mounting plates 2 with simple bolt operations, without the need for complex welding or pouring work.

[0039] See Figure 1 The first pipe gallery 101 and the second pipe gallery 102 are respectively provided with grooves 4 and protrusions at both ends to provide splicing guidance. Water-swellable rubber strips 5 are installed on the inner side of the grooves 4. During the installation of the pipe gallery, the protrusions can be accurately inserted into the grooves 4, playing a role in positioning and alignment, ensuring seamless connection between the pipe galleries. This not only simplifies the construction process, but also improves the accuracy and efficiency of splicing, avoiding problems such as water leakage and air leakage caused by misalignment. At the same time, the water-swellable rubber strips 5 installed on the inner side of the grooves 4 further enhance the waterproof performance of the pipe gallery. When the water-swellable rubber strips 5 come into contact with water, they can quickly expand and fill the tiny gaps between the grooves 4 and the protrusions, forming an effective waterproof barrier.

[0040] The implementation principle of this utility model is as follows: based on the engineering requirements and site conditions, the overall design and planning of the pipe gallery is carried out, the size and layout of the first pipe gallery 101 and the second pipe gallery 102, as well as the position and quantity of the fireproof partition wall mechanism 6 are determined, and the structure and quantity of the cable bracket 3 are designed to ensure that the required number of cables can be supported and fixed.

[0041] When laying new cables, the section of the fireproof partition wall through which the cable needs to pass is divided into several equal parts using multiple support crossbars 604. The installation position of the support crossbars 604 should be consistent with the horizontal position of the cable support 3 and the cable receiving rods 302. When new cables need to be laid, only the corresponding area of ​​the fireproof partition wall needs to be dismantled to allow the cable to pass through. Afterward, the dismantled area is repaired with fire-resistant material to complete the cable laying. Because multiple support crossbars 604 divide the two sides of the partition wall main frame 601 into several modules, the dismantling of a single module can avoid affecting the stability of the installation structure of other modules. Based on the above principle, the entire fireproof partition wall can be dismantled during cable laying, thereby reducing the workload of cable laying and improving the functionality and practicality of the fireproof partition wall of the pipe gallery.

[0042] All parts not covered in this utility model are the same as or can be implemented using existing technologies, and will not be described in detail here.

[0043] Although embodiments of the present invention have been shown and described, these specific embodiments are merely explanations of the present invention and are not intended to limit the invention. The specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. After reading this specification, those skilled in the art may make modifications, substitutions, and variations to the embodiments as needed without departing from the principles and spirit of the present invention, provided that such modifications, substitutions, and variations are within the scope of the claims of the present invention and are protected by patent law.

Claims

1. An urban underground concrete utility tunnel, characterized in that: It includes a first pipe gallery and a second pipe gallery. The inner side of the second pipe gallery is equipped with a fireproof partition wall mechanism, and the fireproof partition wall mechanism includes a partition wall main frame. The two sides of the partition wall main frame and the inner wall of the second pipe gallery form an area for external cables to pass through. This area is divided into several sections by several support crossbars. The support crossbars are detachably connected to the partition wall main frame and the second pipe gallery by mounting feet.

2. The urban underground concrete pipe gallery according to claim 1, characterized in that: The first pipe gallery is equipped with several cable supports, which are welded and fixed by the support body and several supporting rods.

3. The urban underground concrete pipe gallery according to claim 2, characterized in that: The horizontal positions of several of the aforementioned receiving rods and supporting crossbars correspond one-to-one, and are used to support and place external cables.

4. The urban underground concrete pipe gallery according to claim 1, characterized in that: A top beam is fixedly installed on the top of the main frame of the partition wall, and the top beam is bolted to the second pipe gallery.

5. The urban underground concrete pipe gallery according to claim 1, characterized in that: A reinforcing beam is installed on the inner side of the main frame of the partition wall via mounting feet. A fireproof board is installed in the area between the top of the reinforcing beam and the main frame of the partition wall. The area between the bottom of the reinforcing beam and the main frame of the partition wall is used to provide a reserved area for the installation of fire doors.

6. The urban underground concrete pipe gallery according to claim 1, characterized in that: Mounting plates are installed on both sides of the inner wall of the first pipe gallery, and cable brackets are bolted to the mounting plates.

7. The urban underground concrete pipe gallery according to claim 1, characterized in that: The first and second pipe corridors are respectively provided with grooves and protrusions at both ends to provide splicing guidance, and water-swellable rubber strips are installed on the inner side of the grooves.

Images