Large-span electric power pipe gallery in-situ suspension protection device

By installing connecting beams and suspension components on the power utility tunnel, combined with limiting and protective structures, the problem of the power utility tunnel being suspended during foundation pit excavation was solved, achieving effective protection and improved safety of the power utility tunnel.

CN222314659UActive Publication Date: 2025-01-07KUNMING RAILWAY CONSTR COMPANY OF CHINA RAILWAY NO 8 ENG GRP +2
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Patent Information

Application Number
CN202420711900.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-08
Publication Date
2025-01-07
Estimated Expiration
2034-04-08

AI Technical Summary

Technical Problem

In large-scale infrastructure projects, power utility tunnels are prone to large-span suspensions during foundation pit excavation, which can lead to damage and endanger construction safety. Existing protective measures are insufficient.

Method used

The main load-bearing structure uses connecting beams and suspension components, combined with limiting components and protective structures. The suspension beams support the power utility tunnel, while the limiting components and fall protection structures provide protection to prevent damage and falls during construction.

Benefits of technology

Effectively protect the power utility tunnel, prevent it from being damaged or falling during construction, and improve construction safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of building construction, in particular to a large-span electric power pipe gallery in-situ suspension protection device which comprises a main stress structure, a suspension assembly and a limiting assembly. The main stress structure comprises two connecting beams arranged in parallel along the two sides of the top of the electric power pipe gallery correspondingly, and a plurality of latticed columns used for supporting the connecting beams are arranged at the bottoms of the connecting beams at intervals. The suspension assembly comprises a suspension beam and two slings, one ends of the two slings are connected with the two ends of the suspension beam respectively, the other ends of the two slings are connected with the two connecting beams respectively, the suspension beam is located at the bottom of the electric power pipe gallery and used for bearing the electric power pipe gallery, and the two connecting beams are provided with a plurality of suspension assemblies; the electric power pipe gallery suspension device has the advantages that the electric power pipe gallery is supported through the suspension assembly, the electric power pipe gallery is positioned in the horizontal direction through the limiting assembly, the electric power pipe gallery is fully protected, and the electric power pipe gallery is prevented from being damaged.
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Description

Technical Field

[0001] The utility model relates to the field of building construction, in particular to an in-situ suspension protection device for a large-span power pipe gallery. Background Art

[0002] Power pipeline corridors are facilities used to accommodate and transmit power lines. These corridors are usually set up in the center of the road or in the integrated pipeline corridor belt outside the road red line. The cross-section of the power pipeline corridor is usually circular or box-shaped. Working channels and lighting, ventilation and other equipment are generally required in the corridor. Power pipeline corridors are generally prefabricated or cast-in-place concrete structures and are heavy.

[0003] When constructing large infrastructure projects such as subway stations, foundation pit excavation is the foundation of the infrastructure project and an indispensable link. The foundation pit is large. If the foundation pit intersects with the power corridor, the power corridor will be suspended in the air with a large span when the foundation pit is excavated. Since the power corridor is heavy, if the protection measures for the power corridor are not appropriate, it will cause damage to the power corridor and may endanger the safety of construction workers and the foundation pit. Utility Model Content

[0004] The utility model aims to overcome the shortcomings of the prior art and provide an in-situ suspension protection device for a large-span power pipeline gallery.

[0005] The purpose of the utility model is achieved through the following technical solutions: an in-situ suspension protection device for a large-span power pipeline corridor, comprising a main force-bearing structure, a suspension assembly and a limit assembly; the main force-bearing structure comprises two connecting beams respectively arranged in parallel along both sides of the top of the power pipeline corridor, and a plurality of lattice columns for supporting the connecting beams are arranged at intervals at the bottom of the connecting beams; the suspension assembly comprises a suspension beam and two slings, one end of the two slings are respectively connected to the two ends of the suspension beam, and the other ends of the two slings are respectively connected to the two connecting beams, the suspension beam is located at the bottom of the power pipeline corridor and is used to support the power pipeline corridor, and a plurality of suspension assemblies are arranged on the two connecting beams; the limit assembly is arranged on the connecting beam, and the limit assembly has a limit gap for limiting the power pipeline corridor in the horizontal direction. The utility model arranges connecting beams along the power pipeline corridor, takes the connecting beams as the main force-bearing components, arranges a plurality of suspension components on the connecting beams to support the power pipeline corridor, and cooperates with the limiting components to limit the power pipeline corridor, thereby fully protecting the power pipeline corridor and avoiding damage to the power pipeline corridor.

[0006] In some embodiments, the suspension cable includes an anchor cable, one end of which is pre-buried in the connecting beam. The anchor cable can be used to conveniently apply prestress to the suspension beam to support the power pipeline corridor.

[0007] In some embodiments, the suspension beam comprises a double I-beam, which has high strength and low cost.

[0008] In some embodiments, the limiting assembly includes a limiting cross bar and two limiting vertical bars, the two ends of the limiting cross bar are respectively fixed on the tops of the two connecting beams; the two limiting vertical bars are respectively arranged close to the two sides of the power pipe gallery, the limiting gap is formed between the two limiting vertical bars, the top ends of the two limiting vertical bars are connected to the limiting cross bar, and the bottom ends of the two limiting vertical bars are connected to the suspension beam. The limiting assembly clamps and limits the power pipe gallery through the two limiting vertical bars, and limits the power pipe gallery in the horizontal direction on the basis of the suspension assembly supporting the power pipe gallery in the vertical direction, so as to achieve complete limiting of the power pipe gallery and better protect the power pipe gallery.

[0009] In some embodiments, a protective structure is also included, the protective structure including a plurality of protective frames, a first protective plate and a second protective plate, the protective frame is fixedly connected to the two connecting beams and surrounds the two sides and the bottom of the suspension assembly, the first protective plate is arranged on the top of the limiting cross bar, and the second protective plate is connected to both sides of the protective frame. The protective structure shields the top and both sides of the power corridor to prevent the outer surface of the power corridor from being damaged during the infrastructure construction process.

[0010] In some embodiments, the protection frame includes a transverse protection bar and two vertical protection bars, the two ends of the transverse protection bar are respectively connected to the bottoms of the two vertical protection bars, and the tops of the two vertical protection bars are respectively connected to the two connecting beams. The transverse protection bar and the vertical protection bar surround the bottom and two sides of the power pipeline corridor.

[0011] In some embodiments, the protection structure further includes an intermediate connecting rod, which is arranged on both sides of the protection frame and along the direction of the power pipe gallery, the intermediate connecting rod is connected to the plurality of vertical protection rods, and the second protection plate is connected to the intermediate connecting rod. The second protection plate is connected to the protection frame through the intermediate connecting rod.

[0012] In some embodiments, the protection structure further comprises a longitudinal protection rod, which is arranged along the direction of the power pipe gallery, and the longitudinal protection rod connects a plurality of the protection frames in series. The longitudinal protection rod connects a plurality of protection frames in series, so that the plurality of protection frames form a whole, thereby improving the strength of the protection structure.

[0013] In some embodiments, an anti-fall structure is also included, the anti-fall structure includes an embedded part and an anti-fall rope, the embedded part is embedded in the connecting beam, and the embedded part forms a U-shaped hanging point at the bottom of the connecting beam; the two ends of the anti-fall rope are respectively connected to the U-shaped hanging points on the two connecting beams and support the bottom of the power pipe gallery. The anti-fall structure prevents the power pipe gallery from accidentally falling and improves safety redundancy.

[0014] The utility model has the following advantages:

[0015] By setting two connecting beams along the power corridor, using the connecting beams as load-bearing components, and setting suspension components, the power corridor is effectively supported by multiple suspension components. At the same time, the horizontal position of the power corridor is limited by the limit assembly to prevent the power corridor from shifting in the horizontal direction. A protective structure is also provided to shield the power corridor to prevent damage to the power corridor due to on-site construction. An anti-fall structure is also provided to protect the power corridor to prevent the power corridor from accidentally falling, thereby improving safety redundancy. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the suspension assembly of the utility model;

[0017] Figure 2 It is a structural schematic diagram of the limit assembly of the utility model;

[0018] Figure 3 It is a structural schematic diagram of the anti-falling structure of the utility model;

[0019] Figure 4 This is a schematic diagram of the overall structure of the in-situ suspension protection device for a large-span power pipeline gallery of the utility model;

[0020] In the figure: 1. connecting beam; 2. suspension assembly; 21. sling; 22. suspension beam; 3. limiting assembly; 31. limiting horizontal bar; 32. limiting vertical bar; 41. vertical protection bar; 42. horizontal protection bar; 43. longitudinal protection bar; 44. intermediate connecting rod; 45. first protection plate; 46. second protection plate; 51. embedded parts; 52. anti-fall rope. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme and advantages of the utility model clearer, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model and are not used to limit the utility model, that is, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. The components of the embodiments of the utility model described and shown in the drawings can be arranged and designed in various different configurations.

[0022] The utility model is further described below in conjunction with the accompanying drawings, but the protection scope of the utility model is not limited to the following description.

[0023] like Figure 1-Figure 4 As shown, an in-situ suspension protection device for a large-span power pipe gallery comprises a main load-bearing structure, a suspension assembly 2 and a limit assembly 3; the main load-bearing structure comprises two connecting beams 1 respectively arranged in parallel along both sides of the top of the power pipe gallery, and a plurality of lattice columns for supporting the connecting beams 1 are arranged at intervals at the bottom of the connecting beams 1; the suspension assembly 2 comprises a suspension beam 22 and two slings 21, one end of the two slings 21 is respectively connected to the two ends of the suspension beam 22, and the other ends of the two slings 21 are respectively connected to the two connecting beams 1, the suspension beam 22 is located at the bottom of the power pipe gallery and is used to support the power pipe gallery, and a plurality of suspension assemblies 2 are arranged on the two connecting beams 1; the limit assembly 3 is arranged on the connecting beam 1, and the limit assembly 3 has a limit gap for limiting the power pipe gallery in the horizontal direction. Specifically, in this embodiment, two connecting beams 1 are respectively arranged on both sides of the power pipe gallery and are higher than the power pipe gallery. At the same time, the connecting beams 1 are arranged along the length direction of the power pipe gallery. The two connecting beams 1 are arranged in parallel. A plurality of lattice columns (not shown in the attached drawings) are arranged at intervals at the bottom of the two connecting beams 1. The connecting beams 1 are the main force-bearing structures of the device, and the connecting beams 1 are supported by the lattice columns. A plurality of suspension components 2 are connected to the two connecting beams 1. In a single suspension component 2, the top ends of the two slings 21 are respectively connected to the two connecting beams 1, and the bottom ends are respectively connected to the suspension beams 22. The suspension beams 22 are perpendicular to the direction of the power pipe gallery in the horizontal projection direction. The suspension beams 22 are located at the bottom of the power pipe gallery and support the power pipe gallery. The weight of the power pipe gallery is supported by the suspension beams 22. The suspension beams 22 transfer the weight to the connecting beams 1 through the slings 21, and finally transfer it to the lattice columns, which are supported by the lattice columns.

[0024] In this embodiment, a suspension component 2 is provided to support the power pipeline corridor and to limit the power pipeline corridor in the vertical direction. At the same time, the limiting component 3 is cooperated with the limiting gap on the limiting component 3 to limit the power pipeline corridor in the horizontal direction, so that the power pipeline corridor is fully protected and damaged. At the same time, the power pipeline corridor is prevented from being displaced in the horizontal direction and causing fracture.

[0025] Preferably, the sling 21 includes an anchor cable, one end of which is pre-buried in the connecting beam 1. In this embodiment, an anchor cable is used as the sling 21. The anchor cable is convenient for adjusting the pre-tightening force when anchoring, so that the supporting force of each suspension beam 22 on the power pipeline corridor can be adjusted. The anchor cable is a conventional technical means commonly used by those skilled in the art, and its specific structure is not described here. In some other embodiments, the sling 21 can also be a hand winch.

[0026] Preferably, the suspension beam 22 comprises a double I-beam. Specifically, in this embodiment, the I-beam model in the double I-beam is I20b, two I-beams are arranged side by side and welded into one by steel plates to form a double I-beam, which has low cost and high strength.

[0027] Preferably, the limiting assembly 3 includes a limiting cross bar 31 and two limiting vertical bars 32, the two ends of the limiting cross bar 31 are respectively fixed on the top of the two connecting beams 1; the two limiting vertical bars 32 are respectively arranged close to the two sides of the power pipeline corridor, and the limiting gap is formed between the two limiting vertical bars 32, the top ends of the two limiting vertical bars 32 are connected to the limiting cross bar 31, and the bottom ends of the two limiting vertical bars 32 are connected to the suspension beam 22.

[0028] Specifically, in the present embodiment, a plurality of limit assemblies 3 are provided. A steel plate is pre-embedded on the top of the connecting beam 1, and the two ends of the limit cross bar 31 are respectively welded to the steel plates pre-embedded on the tops of the two connecting beams 1. In one limit assembly 3, the top ends of the two limit vertical bars 32 are respectively bolted to the limit cross bar 31, and the bottom ends of the two limit vertical bars 32 are respectively welded to the double I-beams in the suspension assembly 2. A limit gap is formed between the two limit vertical bars 32, and the width of the limit gap is equal to the width of the power pipe gallery. The two limit vertical bars 32 abut against the power pipe gallery on both sides of the power pipe gallery to achieve horizontal positioning of the power pipe gallery, thereby preventing the power pipe gallery from being damaged due to displacement caused by external loads such as wind loads.

[0029] Preferably, a protection structure is further included, the protection structure includes a plurality of protection frames, a first protection plate 45 and a second protection plate 46, the protection frame is fixedly connected to the two connecting beams 1 and surrounds the two sides and the bottom of the suspension assembly 2, the first protection plate 45 is arranged on the top of the limiting cross bar 31, and the second protection plate 46 is connected to both sides of the protection frame. Specifically, in this embodiment, a plurality of protection frames are arranged along the length direction of the connecting beam 1. The first protection plate 45 is welded to the limiting cross bar 31.

[0030] Preferably, the protection frame includes a transverse protection rod 42 and two vertical protection rods 41, the two ends of the transverse protection rod 42 are respectively connected to the bottoms of the two vertical protection rods 41, and the tops of the two vertical protection rods 41 are respectively connected to the two connecting beams 1. Specifically, in this embodiment, steel plates are pre-embedded on the outer surfaces of the two connecting beams 1. In one protection frame, the tops of the two vertical protection rods 41 are respectively welded to the steel plates pre-embedded on the outer sides of the two connecting beams 1, and the bottoms of the two vertical protection rods 41 are welded to the two ends of the transverse protection rod 42. Both the transverse protection rod 42 and the vertical protection rod 41 are I-beams with a model of I20b.

[0031] Preferably, the protection structure further includes an intermediate connecting rod 44, which is arranged on both sides of the protection frame and arranged along the direction of the power pipe gallery, the intermediate connecting rod 44 is connected to the plurality of vertical protection rods 41, and the second protection plate 46 is connected to the intermediate connecting rod 44. Specifically, in this embodiment, the intermediate connecting rod 44 is welded to the vertical protection rods 41 in the plurality of protection frames, providing a stable installation position for the installation of the second protection plate 46, and the second protection plate 46 is welded to the intermediate connecting rod 44. The first protection plate 45 and the second protection plate 46 cover the top and sides of the power pipe gallery to prevent the surface of the power pipe gallery from being damaged.

[0032] Preferably, the protection structure further includes a longitudinal protection rod 43, which is arranged along the direction of the power pipe gallery, and the longitudinal protection rod 43 connects a plurality of the protection frames in series. Specifically, in this embodiment, the longitudinal protection rod 43 is welded to the inner side of the two vertical protection rods 41 and the transverse protection rod 42, and a plurality of protection frames are connected in series through the longitudinal protection rod 43, so that the plurality of protection frames form a whole, thereby improving the strength of the protection frames.

[0033] Preferably, it also includes an anti-fall structure, which includes an embedded part 51 and an anti-fall rope 52. The embedded part 51 is embedded in the connecting beam 1, and the embedded part 51 forms a U-shaped hanging point at the bottom of the connecting beam 1; the two ends of the anti-fall rope 52 are respectively connected to the U-shaped hanging points on the two connecting beams 1 and support the bottom of the power pipe gallery. The anti-fall rope 52 prevents the power pipe gallery from breaking and falling due to accidents.

[0034] The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form. Any technician familiar with the field can make many possible changes and modifications to the technical solution of the utility model by using the above-mentioned technical content without departing from the scope of the technical solution of the utility model, or modify it into an equivalent embodiment of equivalent changes. Therefore, any changes, modifications, equivalent changes and modifications made to the above embodiments based on the technology of the utility model without departing from the content of the technical solution of the utility model shall fall within the protection scope of the technical solution of the utility model.

Claims

1. An in-situ suspension protection device for a large-span power pipeline gallery, characterized in that: include: A main load-bearing structure, the main load-bearing structure comprising two connecting beams (1) respectively arranged in parallel along both sides of the top of the power pipe gallery, and a plurality of lattice columns for supporting the connecting beams (1) are arranged at intervals at the bottom of the connecting beams (1); A suspension assembly (2), the suspension assembly (2) comprising a suspension beam (22) and two slings (21), one end of the two slings (21) being respectively connected to two ends of the suspension beam (22), the other ends of the two slings (21) being respectively connected to two connecting beams (1), the suspension beam (22) being located at the bottom of the power pipe gallery and used for supporting the power pipe gallery, and a plurality of suspension assemblies (2) being arranged on the two connecting beams (1); A limiting component (3), wherein the limiting component (3) is arranged on the connecting beam (1), and the limiting component (3) has a limiting gap for limiting the power pipeline gallery in the horizontal direction.

2. The in-situ suspension protection device for a large-span power pipeline gallery according to claim 1 is characterized in that: The sling (21) comprises an anchor cable, one end of which is pre-buried in the connecting beam (1).

3. The in-situ suspension protection device for a large-span power pipeline gallery according to claim 1 is characterized in that: The suspension beam (22) comprises a double I-beam.

4. The in-situ suspension protection device for a large-span power pipeline gallery according to claim 1 is characterized in that: The limiting assembly (3) comprises a limiting cross bar (31) and two limiting vertical bars (32), wherein the two ends of the limiting cross bar (31) are respectively fixedly mounted on the tops of the two connecting beams (1); the two limiting vertical bars (32) are respectively arranged close to the two sides of the power pipeline corridor, and the limiting gap is formed between the two limiting vertical bars (32); the top ends of the two limiting vertical bars (32) are connected to the limiting cross bar (31), and the bottom ends of the two limiting vertical bars (32) are connected to the suspension beam (22).

5. The in-situ suspension protection device for a large-span power pipeline gallery according to claim 4 is characterized in that: It also includes a protection structure, which includes a plurality of protection frames, a first protection plate (45) and a second protection plate (46). The protection frame is fixedly connected to the two connecting beams (1) and surrounds the two sides and the bottom of the suspension component (2). The first protection plate (45) is arranged on the top of the limiting cross bar (31), and the second protection plates (46) are connected to both sides of the protection frame.

6. The in-situ suspension protection device for a large-span power pipeline gallery according to claim 5 is characterized in that: The protection frame comprises a transverse protection rod (42) and two vertical protection rods (41), the two ends of the transverse protection rod (42) are respectively connected to the bottoms of the two vertical protection rods (41), and the tops of the two vertical protection rods (41) are respectively connected to the two connecting beams (1).

7. The in-situ suspension protection device for a large-span power pipeline gallery according to claim 6 is characterized in that: The protection structure also includes an intermediate connecting rod (44), which is arranged on both sides of the protection frame and along the direction of the power pipeline gallery, the intermediate connecting rod (44) is connected to the plurality of vertical protection rods (41), and the second protection plate (46) is connected to the intermediate connecting rod (44).

8. The in-situ suspension protection device for a large-span power pipeline gallery according to claim 5 is characterized in that: The protection structure also includes a longitudinal protection rod (43), which is arranged along the direction of the power pipeline gallery, and the longitudinal protection rod (43) connects a plurality of the protection frames in series.

9. The in-situ suspension protection device for a large-span power pipeline gallery according to claim 1 is characterized in that: It also includes an anti-fall structure, the anti-fall structure including an embedded part (51) and an anti-fall rope (52), the embedded part (51) is embedded in the connecting beam (1), and the embedded part (51) forms a U-shaped hanging point at the bottom of the connecting beam (1); the two ends of the anti-fall rope (52) are respectively connected to the U-shaped hanging points on the two connecting beams (1) and support the bottom of the power pipeline corridor.