Overhaul protection structure

By pre-embedding ferromagnetic metal panels in the concrete layer and connecting them to the magnets of the fence body, the problems of structural damage and inconvenience in disassembling fixed maintenance and protection devices in the existing technology are solved, achieving a stable connection and simplified maintenance and protection effect.

CN223675960UActive Publication Date: 2025-12-16SINOHYDRO BUREAU 8 CO LTD +1
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Patent Information

Application Number
CN202423159015.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-20
Publication Date
2025-12-16
Estimated Expiration
2034-12-20

AI Technical Summary

Technical Problem

Existing maintenance and protection devices are prone to damaging the structure of maintenance entrances when fixed, and are inconvenient to install and dismantle, especially at special facilities such as the inlet and ecological holes of concrete dams, which affects structural safety and is time-consuming and labor-intensive.

Method used

The fence is constructed by using ferromagnetic metal panels embedded in the concrete layer and magnets attached to the bottom of the fence body to form a stable maintenance and protection structure. This avoids the need for drilling for fixing and simplifies the installation and disassembly process by using magnetic force to attach the fence components.

Benefits of technology

It achieves a stable connection and easy disassembly and assembly of maintenance protection without damaging the maintenance access structure, improving the ease of operation and safety, and is suitable for the maintenance protection of special facilities.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an overhaul protective structure, the overhaul protective structure includes the pre-embedded component that is cast with the access hole into one piece and the fence component that is provided on the ground, the pre-embedded component includes a plurality of panels and a plurality of fixed parts, the material of the panels is ferromagnetic metal, and the fence component includes a fence main body and a magnet. During overhauling, the fence assembly is firmly fixed to the embedded assembly on the periphery of the overhauling opening through the magnetic force between the panel embedded in the concrete layer and the magnet at the lower end of the fence body, the concrete layer does not need to be drilled, bolts do not need to be screwed to fix the overhauling protection structure, the structure of the overhauling opening is prevented from being damaged, dismounting and mounting are easy, and operation is easy.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of safety equipment, specifically relates to a kind of overhaul protection structure. BACKGROUND

[0002] When each engineering pipeline is overhauled, protective device is needed to be set at the periphery of pipeline overhaul entrance to carry out safety isolation, and the common isolation measures include safety fence, when safety fence is movably connected with ground, the bottom of fence is not stable in connection with ground, and if screw is used to fix safety fence by drilling, it will also cause damage to engineering structure near overhaul entrance, especially when some special facilities such as water inlet of concrete dam, ecological hole and other holes are overhauled, drilling temporary protective isolation device on dam body will cause damage to dam body pavement layer concrete, affect the structural safety of dam body, and it is time-consuming and laborious to install and remove protective isolation measures, which brings inconvenience to overhaul. SUMMARY

[0003] Therefore, the utility model aims at providing an overhaul protection structure, which has the advantages of stable connection and easy disassembly.

[0004] The overhaul protection structure provided by the utility model includes embedded component and fence component.

[0005] The embedded component is integrally poured with the overhaul entrance.

[0006] The embedded component includes a plurality of panels and a plurality of fixing members.

[0007] The upper side of the panel is flush with the ground of the concrete layer of the overhaul entrance, and the panel and the concrete layer are fixedly connected through the fixing member.

[0008] The material of the panel is ferromagnetic metal.

[0009] The fence component includes fence body and magnet.

[0010] The magnet is arranged at the bottom end of the fence body and corresponds to the panel.

[0011] The embedded component is integrally poured with the overhaul entrance, and the panel of the embedded component is flush with the ground, the panel is made of ferromagnetic metal, during overhaul, the movable fence component is transported to the vicinity of the overhaul entrance, the magnet at the lower end of the fence body is aligned with the panel of the embedded component, the magnetic force between the panel and the magnet is used to make the fence body adsorbed on the embedded component embedded in the overhaul entrance, after overhaul, the fence body is directly removed to remove the overhaul protection structure, without drilling bolt to fix the overhaul protection structure on the concrete layer, the inherent structure of the overhaul entrance is avoided to be damaged, and the operation is simple.

[0012] Further, the fixing member comprises an anchoring steel bar, one end of which is connected with the lower side of the panel, and the other end of which is inserted into the concrete layer.

[0013] Further, the panel has a width of 200-300mm and a thickness of 10-20mm.

[0014] Further, the panel has a distance of 400-600mm from the manhole.

[0015] Further, the upper side of the panel is further coated with a coating, which comprises, from bottom to top, an anti-rust layer and a luminescent coating, the luminescent coating being a photoluminescent coating.

[0016] Further, the fence body comprises a plurality of upright columns and a plurality of stretchable warning belts, the magnets being arranged at the bottom ends of the upright columns, and the stretchable warning belts being movably connected with the upright columns.

[0017] Further, the fence body further comprises a plurality of protective plates, which are movably connected with the lower parts of adjacent upright columns.

[0018] The utility model has the following beneficial effects:

[0019] 1) The maintenance protection structure provided by the utility model utilizes the magnetic force between the panel pre-buried in the concrete layer and the magnets at the lower ends of the fence bodies to firmly fix the fence assembly on the pre-buried assembly around the manhole, without the need to drill holes in the concrete layer to fix the maintenance protection structure by bolts, thus avoiding the damage to the inherent structure of the manhole, and facilitating the disassembly and assembly and the operation.

[0020] 2) The maintenance protection structure provided by the utility model has the anti-rust layer and the luminescent coating brushed on the panel to prevent rust and identify the panel.

[0021] 3) The fence body of the maintenance protection structure provided by the utility model adopts the combination of the upright columns and the stretchable warning belts, which is more conducive to the disassembly and assembly and the movement of the maintenance protection structure.

[0022] 4) The maintenance protection structure provided by the utility model has the movable protective plates arranged between adjacent upright columns to block the sundries from falling into the manhole and endangering the personal safety of the maintenance personnel. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 is the overall schematic view of the maintenance protection structure provided by some embodiments of the utility model,

[0024] Figure 2 is the front view of the maintenance protection structure provided by some embodiments of the utility model,

[0025] Figure 3is the top view of the pre-buried assembly provided by some embodiments of the utility model,

[0026] Figure 4 is Figure 3 is the A-A section view of the utility model,

[0027] Figure 5 is the overall schematic view of the fence assembly provided by some embodiments of the utility model,

[0028] Figure 6 is the cross-sectional schematic view of the fence assembly provided by some embodiments of the utility model.

[0029] Mark explanation:

[0030] 001 access hole, 002 concrete layer,

[0031] 100 pre-buried assembly,

[0032] 110 panel, 120 fixing piece,

[0033] 200 fence assembly,

[0034] 210 fence body, 220 magnet,

[0035] 211 stand, 212 telescopic warning tape, 213 protective plate, 214 clamping groove. Specific implementation

[0036] In order to facilitate the understanding of the utility model, the utility model will be described more fully below with reference to the relevant drawings. The preferred embodiments of the utility model are shown in the drawings. However, the utility model can be realized in many different forms, and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0037] It should be noted that in the description of the utility model, unless otherwise explicitly specified and limited, the terms "set", "connect", "install" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances. In the description of the utility model, the terms "in", "out", "up", "down", "top", "bottom" and other terms indicating direction or position relationship are based on the direction or position relationship shown in the drawings, which is only for the convenience of description, and is not indicative or suggestive of the device or element must have a specific orientation, be constructed and operated in a specific orientation, therefore, it cannot be understood as a limitation on the utility model.

[0038] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description herein is for describing particular embodiments only and is not intended to be limiting of the application.

[0039] As shown in Figures 1-6 The present embodiment takes a certain hydropower station as an example. The hydropower station is provided with a middle hole, an ecological hole working door and a maintenance opening and the like at the dam, resulting in a large number of holes. The maintenance task is heavy in the later period. The maintenance protection structure provided by the present application is used to facilitate maintenance.

[0040] As shown in Figures 1-2 The maintenance protection structure comprises a pre-buried assembly 100 integrally cast with the maintenance opening 001 and a fence assembly 200 arranged on the ground, as shown in Figures 3-4 The pre-buried assembly 100 comprises a plurality of panels 110 and a plurality of fixing members 120, wherein the material of the panel 110 is ferromagnetic metal; as shown in Figures 5-6 The fence assembly 200 comprises a fence main body 210 and a magnet 220; as shown in Figure 1 and Figure 6 The fence main body 210 further comprises a plurality of protective plates 213.

[0041] The specific settings are as follows: during the construction of the dam, the embedded component 100 is integrally cast in the concrete layer 002 around the manhole 001, and the panel 110 is arranged around the manhole according to the position of the placement of the barrier body 210 during the maintenance, and the distance between the panel 110 and the manhole 001 is 400-600 mm, too close can hinder the maintenance, and too far can cause waste of materials. The upper side of the panel 110 is flush with the ground of the concrete layer 002 of the manhole 001; at the same time, in order to prevent rust and mark the panel, a coating is covered on the upper side of the panel 110, and the coating includes a rust-proof layer and a luminescent coating brushed from bottom to top, the luminescent coating is a photoluminescent coating, and the luminescent coating can play a warning role at night to improve the safety of maintenance. The specific size of the panel 110 is 200-300 mm in width and 10-20 mm in thickness, and the length size of the panel 110 is adaptively selected according to the size of the manhole, the above-mentioned size can adapt to the size of the general protective barrier body base and form a strong magnetic force between the magnet 220 arranged at the lower end of the fence component 200 and the panel 110, and at the same time, the fixing member 120 is convenient to install to connect the panel 110 and the concrete layer 002. Exemplarily, the panel 110 is a galvanized steel plate, the width of the galvanized steel plate is 200 mm, the thickness is 10 mm, the galvanized steel plate is embedded in the concrete layer 002, the upper side is flush with the ground, the fixing member 120 can select a bent anchor steel bar, one end of the anchor steel bar is welded with the lower side of the galvanized steel plate, the other end is inserted into the concrete layer 002, the galvanized steel plate is firmly fixed in the concrete layer 002, and the distance between the galvanized steel plate and the manhole 001 is 500 mm. The fence body 210 includes a plurality of columns 211 and a plurality of telescopic warning belts 212, the column 211 is 900 mm high and 80 mm in diameter, the magnet 220 is arranged at the lower part of the column 211 base, the magnet can be correspondingly adsorbed on the galvanized steel plate, and the telescopic warning belt 212 is movably connected between two adjacent columns 211, as shown in Figure 1 and Figure 6 The fence body 210 further includes a plurality of protective plates 213 movably connected to the lower part of the adjacent column 211, the lower part of the column 211 is provided with a clamping groove 214, the clamping groove 214 is correspondingly matched with the protective plate, and the protective plate 213 is movably installed in the clamping groove 214 for surrounding the manhole during the maintenance process, preventing sundries from falling into the manhole to endanger the personal safety of the personnel below the manhole, and supporting and fixing the column 211 to avoid displacement of the column 211 during the maintenance process.

[0042] When overhauling, the column 211 is placed on the panel 110 with a spacing of 1.5 m before the cover plate covering the manhole 001 is opened by the overhauling personnel, the magnet 220 at the bottom end of the column 211 is adsorbed on the ferromagnetic metal panel 110 to firmly fix the column 211 on the ground, the stretchable warning tape 212 is connected between two adjacent columns 211, the railing assembly 200 is stably arranged around the manhole 001, the guard plate 213 is clamped into the clamping groove at the lower part of the column 211, and the overhauling personnel enters the manhole to operate. After the overhauling is completed, the cover plate on the manhole is covered, the guard plate 213 is disassembled, the stretchable warning tape 212 is stored, and each column 211 is removed, so that the overhauling is completed. The overhauling protection structure does not need to drill holes and fix bolts on the concrete layer, avoids damaging the dam body structure, can be stably connected on the panel arranged in the concrete layer in advance, is easy to disassemble and assemble, and is simple to operate.

[0043] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for the skilled in the art, it still can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. An access protection structure, characterized by, The utility model relates to a prefabricated component (100) and a fence component (200). The prefabricated component (100) is integrally cast with the manhole (001). The prefabricated component (100) comprises a plurality of panels (110) and a plurality of fixing members (120). The upper side of the panel (110) is flush with the ground of the concrete layer (002) of the manhole (001), and the panel (110) and the concrete layer (002) are fixedly connected by the fixing member (120). The panel (110) is made of ferromagnetic metal. The fence component (200) comprises a fence body (210) and a magnet (220). The magnet (220) is arranged at the bottom end of the fence body (210) and corresponds to the panel (110).

2. The access protection structure of claim 1, wherein, The fixing member (120) comprises an anchoring steel bar, one end of which is connected to the lower side of the panel (110), and the other end of which is inserted into the concrete layer (002).

3. The access protection structure of claim 1, wherein, The width of the panel (110) is 200-300 mm, and the thickness is 10-20 mm.

4. The access protection structure of claim 1, wherein, The distance between the panel (110) and the manhole (001) is 400-600 mm.

5. The access protection structure of claim 1, wherein, The upper side of the panel (110) is further coated with a coating, which comprises a rust-proof layer and a luminescent coating brushed from bottom to top, and the luminescent coating is a photoluminescent coating.

6. The access protection structure of claim 1, wherein, The fence body (210) comprises a plurality of stand columns (211) and a plurality of telescopic warning tapes (212), the magnet (220) is arranged at the bottom end of the stand column (211), and the telescopic warning tape (212) is movably connected to the stand column (211).

7. The access protection structure of claim 1, wherein The fence body (210) comprises a plurality of stand columns (211) and a plurality of protective plates (213), and the protective plate (213) is movably connected to the lower part of the adjacent stand column (211).