Prefabricated concrete pipe piece corner protection device

Abstract

The utility model belongs to the technical field of building construction, particularly belongs to the technical field of concrete member prefabrication, and particularly relates to a protection device for edges and corners of precast concrete segments. Comprising a first fastening end, a second fastening end and a protection part between the first fastening end and the second fastening end. The protection part wraps at least two edges and corners of the duct piece and is fixed on the duct piece through a first fastening end and a second fastening end; the protection part comprises a protection belt used for connecting the first fastening end and the second fastening end, and further comprises a first protection end and a second protection end which cover the edges and corners of the duct piece. The protection belt covers the height part of the duct piece; the first protection end and the second protection end are respectively arranged at two ends of the protection belt; and the end parts of the first protection end and the second protection end are fastened and fixed on the duct piece. According to the protection device, the working efficiency is improved, and the protection device can be easily recycled and reused after being used.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of building construction, especially to the technical field of concrete member prefabrication, and specifically relates to a prefabricated concrete segment corner protection device. BACKGROUND

[0002] A concrete segment is a basic unit of a tunnel prefabricated lining ring made of reinforced concrete as the main raw material. It forms a unit ring through special bolts and is spliced into a tunnel ring by ring. The concrete segment has the characteristics of high strength, corrosion resistance, easy processing and manufacturing, and low cost. After the concrete segment is demolded and formed, it will undergo multiple lifting and loading processes, including removal from the mold, transportation to the stacking area, loading, transportation to the construction site, and re-lifting and installation. The corner parts of the concrete segment are particularly prone to damage during lifting. In order to ensure the quality and integrity of the concrete segment, special protection measures are needed to avoid damage during lifting and loading, causing unnecessary economic losses and delays.

[0003] At present, soft protective materials such as foam, sponge or special protective sleeves are generally wrapped around the corner parts of the concrete segment to reduce the impact force during collision. At the same time, specially designed lifting devices should be used during lifting to ensure uniform stress on the lifting points and avoid local stress concentration caused by improper lifting. During loading, the stacking sequence should be arranged reasonably to ensure sufficient support and fixation between the segments to prevent sliding or collapse during transportation. In addition, the selection of transportation vehicles should also consider stability and shock absorption performance to reduce the adverse effects of road bumps on the segments. Through these meticulous protection measures, the damage to the concrete segment during lifting and loading can be minimized to ensure that it maintains good quality and integrity when it reaches the construction site, avoiding the need for rework and repair costs due to damage, ensuring smooth progress of the project, improving overall construction efficiency and economic benefits.

[0004] A Chinese application "A concrete corner protection device", publication number CN217581356U, discloses a corner protection device. The concrete corner protection device includes a bottom plate, a support plate, and a protective piece. The bottom plate is provided with a counterweight, the protective piece includes a protective plate and a connecting plate fixedly connected, the connecting plate is provided with a through hole, a plug-in rod can be clamped in the through hole, the protective plate and the bottom plate are respectively located on both sides of the support plate, and the surface of the protective plate close to the support plate and the surface of the support plate away from the bottom plate together form a protective corner, which is used for protecting the concrete corner. The protective corner, the bottom plate and the counterweight work together to stabilize the center of gravity of the protection device. The protective plate and the protective piece are detachably connected, which facilitates the storage of the bottom plate and support plate connection structure and the protective piece, reduces the required storage space, and facilitates transportation and storage.

[0005] The application adopts a detachable structure design, which improves the flexibility of use to a certain extent, but its limitations still exist. The detachable structure described in the application is only applicable to the protection of corners of the same size. This means that when the size of the corner changes, it cannot continue to be used. The application lacks sufficient universality and adaptability and cannot meet the protection needs of corners of different sizes. SUMMARY

[0006] The utility model discloses a prefabricated concrete segment corner protection device. The utility model solves the problem that the corner protection device in the prior art cannot adapt to different sizes of corners.

[0007] The utility model discloses the following technical scheme realizes:

[0008] A prefabricated concrete segment corner protection device, comprising a first fastening end and a second fastening end, and a protection part between the first fastening end and the second fastening end, wherein the protection part wraps at least two corners of the segment and is fixed on the segment through the first fastening end and the second fastening end.

[0009] The protection part comprises a protection belt for connecting the first fastening end and the second fastening end, and further comprises a first protection end and a second protection end for covering the corners of the segment, and the protection belt covers a height part of the segment.

[0010] The first protection end and the second protection end are respectively arranged at two ends of the protection belt, and the combination of the first protection end and the second protection end with the protection belt is arranged as a curved section, and the end of the first protection end and the second protection end is fastened and fixed on the segment.

[0011] Preferably, the first fastening end comprises a first surface fixing member and a second surface fixing member for fastening two surfaces of the segment, and a first side wall fixing member is arranged between the first surface fixing member and the second surface fixing member.

[0012] Preferably, the length between the first surface fixing member and the second surface fixing member is greater than the height of the segment, and the connection between the first surface fixing member and the second surface fixing member and the first side wall fixing member is arranged as a curved section.

[0013] Preferably, the first surface fixing member and the second surface fixing member are provided with at least one fastener for fastening the surface of the segment.

[0014] Preferably, the first side wall fixing member is provided with at least two fasteners for fastening the side wall of the segment.

[0015] Preferably, the first and second protective ends are arranged to extend away from the protective strip by means of the ends of the protective strip.

[0016] Preferably, the first and second fastening ends are arranged on two adjacent sides of the segment.

[0017] Preferably, the first and second protective ends are arranged to wrap around the corners of the segment; the curved sections at the junctions of the first and second protective ends with the protective strip are also arranged to wrap around the corners of the segment.

[0018] Preferably, the protective strip is arranged to wrap around at least one edge of the segment and to extend away from the two sides of the edge.

[0019] Preferably, the first and second fastening ends are arranged identically, comprising a third side fastener and a fourth side fastener and a second side wall fastener connecting the third and fourth side fasteners.

[0020] The prefabricated concrete segment corner protection device has the following advantages:

[0021] The device can provide all-round protection for the corners of the segment, avoiding damage to the corners of the segment during lifting or construction. In order to accommodate segments of different sizes, the device is provided with a curved section at the connection between the first and second protective ends and the protective strip. This curved section provides a redundant amount of connection. This redundant amount of connection allows the protection device to be adjusted according to the actual size of the segment, ensuring that the protection device can accommodate segments of different sizes and provide the best protection. The protection device can also be installed and removed by means of fasteners. This not only simplifies the installation and removal process and improves work efficiency, but also allows the protection device to be easily recycled and reused after use. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 is a structural diagram of the prefabricated concrete segment corner protection device of the present application;

[0023] Figure 2 is another angle structural diagram of the prefabricated concrete segment corner protection device of the present application;

[0024] Figure 3 is a schematic diagram of the prefabricated concrete segment corner protection device of the present application in use;

[0025] Figure 4is another angle's schematic view of the prefabricated concrete segment corner protection device in use according to the present application;

[0026] Parts and components in the figure:

[0027] 100 - first fastening end, 110 - first surface fixing part, 120 - second surface fixing part, 130 - first side wall fixing part, 140 - fastening part; 200 - protection part, 210 - protection belt, 220 - first protection end, 230 - second protection end; 300 - second fastening end, 310 - third surface fixing part, 320 - fourth surface fixing part, 330 - second side wall fixing part; 400 - segment. DETAILED DESCRIPTION

[0028] The present application is further described below in conjunction with specific embodiments, which are further illustrations of the principles of the present application and do not limit the present application in any way, and the same or similar technology as the present application does not exceed the scope of protection of the present application.

[0029] In this document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. In the description of the present application, it should be understood that the terms "center", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. Moreover, the terms "include", "contain" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed or inherent to such process, method, article or device. Without more limitations, the elements defined by the statement "include" do not exclude the presence of other identical elements in the process, method, article or device including the elements. If there is no conflict, the embodiments of the present application and the various features in the embodiments can be combined with each other, and all within the scope of protection of the present application.

[0030] Example 1:

[0031] As Figure 1As shown, this embodiment presents a precast concrete segment edge protection device. Since these segments 400 are typically heavy, they require hoisting operations during production and use. During hoisting, the edges of the segments 400 are easily damaged, leading to defects. To address this issue, this embodiment designs an edge protection device that effectively protects the edges of the segments 400, ensuring they are not damaged during manufacturing and transportation. By using this device, the impact damage to the segments 400 during hoisting can be effectively offset and absorbed, thus preventing edge damage. Furthermore, this device exhibits good durability during transportation, resisting damage and ensuring reliability and stability in repeated use. Moreover, this device is reusable; after disassembly, if no damage or malfunction occurs, it can be reinstalled and used, extending its service life and reducing maintenance costs.

[0032] like Figure 1 and Figure 2 As shown, in this embodiment, the protective device consists of two main parts: a first fastening end 100 and a second fastening end 300, and a protective portion 200 located between these two fastening ends. Specifically, the protective portion 200 is configured to wrap around and cover at least two corners of the tube segment 400, thereby providing protection. By using the first fastening end 100 and the second fastening end 300, the entire protective device can be securely fixed to the tube segment 400. These two fastening ends not only serve to install the protective device but also ensure that the protective portion 200 can be stably attached to the tube segment 400, thereby effectively protecting the corners of the tube segment 400 from damage. This configuration makes the protective device highly reliable and stable in practical applications, ensuring the safety and integrity of the tube segment 400 during transportation or use.

[0033] like Figure 1 and Figure 2As shown, in this embodiment, the protective portion 200 mainly includes a protective strip 210 for connecting the first fastening end 100 and the second fastening end 300, and a first protective end 220 and a second protective end 230 for covering the corner portions of the pipe segment 400. Specifically, the protective strip 210 covers the height portion of the pipe segment 400 to prevent damage to this portion during transportation or construction. This design not only effectively protects the height portion of the pipe segment 400, but also ensures that the protective strip 210 will not fall off during use through the connection of the first fastening end 100 and the second fastening end 300, thereby further improving the protective effect. In addition, the design of the first protective end 220 and the second protective end 230 effectively covers the corner portions of the pipe segment 400, preventing these corner portions from being impacted or rubbed during transportation or construction.

[0034] like Figure 1 and Figure 2 As shown, in this embodiment, the first protective end 220 and the second protective end 230 are respectively located at both ends of the protective strip 210. Specifically, these two protective ends are designed to be located at two opposite ends of the protective strip 210 to ensure the coverage of the entire protective strip 210. To ensure a firm connection between the protective ends and the protective strip 210, the joint between the first protective end 220 and the second protective end 230 and the protective strip 210 is set as a curved section, providing redundancy. The material can be rubber, which is not only wear-resistant but also satisfies the redundancy requirement. This redundancy effectively prevents loosening or detachment between the protective end and the protective strip 210 due to external forces during use, thereby ensuring the stability and reliability of the overall structure. Furthermore, this redundancy allows the protection device to flexibly adapt to different sizes of protection ranges. Specifically, after the first protective end 220 and the second protective end 230 successfully perform their protection function, this redundancy allows for further adjustment and optimization of the coverage area. In this way, regardless of how the required protection size of the object changes, the protection device can effectively provide comprehensive protection, ensuring safety. This design not only improves the applicability of the protection device, but also enhances its flexibility and reliability in different application scenarios.

[0035] like Figure 3 and Figure 4As shown, in order to securely fix the first protective end 220 and the second protective end 230 in the predetermined position, the present invention employs fasteners 140 to achieve this purpose. These fasteners 140 can be bolts, screws, clips, or other similar fixing devices, which mechanically fix the protective ends to the segment 400. In this way, the protective ends can not only effectively protect both ends of the segment 400, but also ensure the stability of their position under various working environments, thereby providing long-term reliable protection for the segment 400.

[0036] like Figure 1 and Figure 2 As shown, in this embodiment, the first fastening end 100 includes two main parts: a first-side fastener 110 and a second-side fastener 120, which are fastened to the two opposite surfaces of the tube segment 400. These two fasteners are respectively disposed on both sides of the tube segment 400 to effectively fix the tube segment 400 from both surfaces. Furthermore, a sidewall fastener, namely a first sidewall fastener 130, is specially designed and provided between the first-side fastener 110 and the second-side fastener 120. The function of this sidewall fastener is to connect the first-side fastener 110 and the second-side fastener 120 and further enhance the connection stability between the first-side fastener 110 and the second-side fastener 120, ensuring the overall firmness of the fastening end.

[0037] like Figure 3 and Figure 4 As shown, the first-side fastener 110 and the second-side fastener 120 are components specifically designed for primary fastening to the segment 400. They are clamped to the corresponding surfaces of the segment 400 using a series of fasteners 140, such as bolts, screws, or other similar devices. This clamping method effectively secures the segment 400 in a predetermined position, ensuring it does not shift or loosen during use. Through this fastening method, the first-side fastener 110 and the second-side fastener 120 can fit tightly against both sides of the segment 400, achieving a fixed installation. The overall fastening design not only considers the fixing requirements of the segment 400 but also provides secondary fastening through the first sidewall fastener 130, further enhancing the stability and reliability of the overall structure.

[0038] In this embodiment, the distance or length between the first fixing member 110 and the second fixing member 120 is designed to be greater than the height of the tube segment 400. This design ensures that the tube segment 400 can be securely fixed in the appropriate position, while leaving sufficient space to accommodate tube segments 400 of different sizes. Furthermore, a curved section is provided at the connection between the first fixing member 110 and the second fixing member 120 and the first sidewall fixing member 130. This redundancy in the curved section is designed to further ensure flexibility in handling tube segments 400 of different heights during installation and protection. Through this design, effective protection can be ensured regardless of changes in the height of the tube segment 400.

[0039] like Figure 1 and Figure 2 As shown, the first fixing member 110 and the second fixing member 120 are each provided with at least one fastener 140. These fasteners 140 are fastened to the surface of the segment 400 to ensure the stability and safety of the segment 400. Specifically, these fasteners 140 can be bolts, screws or other similar connectors, which can be firmly fixed to the surface of the segment 400 to prevent it from loosening or falling off during use.

[0040] The first sidewall fastener 130 is provided with at least two fasteners 140, which are fastened to the sidewall of the segment 400 to further enhance the structural stability of the segment 400. These fasteners 140 can also be bolts, screws or other similar connectors, which can effectively fix them to the sidewall of the segment 400 to ensure its stability in various working environments.

[0041] The first protective end 220 and the second protective end 230 extend away from the protective strip 210 at both ends to better wrap and protect the edges and corners of the tube segment 400. These protective ends are typically made of a soft and elastic material, which can effectively absorb impact forces and reduce damage to the tube segment 400 during handling or use.

[0042] The first fastening end 100 and the second fastening end 300 are respectively located on two adjacent sides of the segment 400. These fastening ends typically include fasteners 140 and corresponding fixing structures, which can ensure the stability and reliability of the segment 400 during connection or fixing. The design of the fastening ends needs to take into account the size, shape, and operating environment of the segment 400 to ensure that they can perform optimal fastening under various conditions.

[0043] The first protective end 220 and the second protective end 230 are used to wrap around and protect the edges and corners of the tube segment 400 to prevent them from being impacted or worn during handling or use. These protective ends typically have a certain thickness and elasticity, which can effectively absorb external impact forces and reduce damage to the edges and corners of the tube segment 400. In addition, the redundancy of the curved section at the junction of the protective end and the protective strip 210 is also used to wrap around the edges and corners of the tube segment 400, further enhancing the protective effect.

[0044] like Figure 3 and Figure 4 As shown, the protective strip 210 wraps around at least one edge of the segment 400 and extends to both sides of the edge to ensure that the entire edge is adequately protected. The protective strip 210 is typically made of a soft and elastic material, effectively absorbing impact and reducing damage to the segment 400 during handling or use. By extending, the protective strip 210 can cover a larger surface area, providing more comprehensive protection.

[0045] The second fastening end 300 is configured identically to the first fastening end 100, including a third-side fastener 310 and a fourth-side fastener 320, as well as a second sidewall fastener 330 connecting the third-side fastener 310 and the fourth-side fastener 320. This consistent design ensures the structural and functional symmetry and balance of the fastening ends, enabling the segment 400 to remain stable during connection or fixation, avoiding deformation or damage caused by uneven stress. The tight fastening of the first fastening end 100 and the second fastening end 300 ensures that the protective part 200 provides more robust and reliable protection for the object's edges and corners. This combined fastening mechanism not only improves the protective effect but also enhances the overall structural stability, effectively preventing damage to the edges and corners during handling or use. It ensures that the protective part 200 can comprehensively cover and support the edges and corners, keeping them intact in various environments.

[0046] like Figure 3 and Figure 4 As shown, in practical application, the protective strip 210 of the protective portion 200 first needs to be gently brought into contact with the edge of the segment 400. Next, the operator should ensure that the first protective end 220 and the second protective end 230 respectively wrap around the two corners at both ends of the edge. To ensure the protective effect, the excess portion of the protective strip 210 needs to be stretched to the appropriate position through the first protective end 220 and the second protective end 230. Subsequently, the first protective end 220 and the second protective end 230 are fixed to the segment 400 using fasteners 140 to ensure its stability.

[0047] Next, the operator needs to stretch the first fastening end 100 and the second fastening end 300 along both sides of the edge until they reach the appropriate position. Then, the first sidewall fastener 130 and the second sidewall fastener 330 are pressed tightly against the side of the segment 400 to ensure a tight fit. Afterward, the first face fastener 110 and the second face fastener 120 are stretched to the appropriate position to ensure they effectively cover the top wall of the segment 400. The first face fastener 110 and the second face fastener 120 are then fixedly installed to the top wall of the segment 400 using fasteners 140, increasing the friction between the fasteners 140 and the segment 400, thereby further enhancing the protective effect.

[0048] In addition, the first sidewall fastener 130 and the second sidewall fastener 330 need to be fixedly installed to the sidewall of the segment 400 to ensure that the entire segment 400 is fully protected. Through this series of steps, the segment 400 can be effectively protected from damage during transportation or storage.

[0049] After use, if the protective device is not significantly damaged and is still usable, it can be removed from the segment 400 by disassembling fastener 140. This allows the protective device to be reused, saving costs and reducing resource waste.

[0050] Considering the relatively large weight of the tunnel segment 400, a combined material arrangement can be adopted when designing the protective device. Specifically, solid rubber can be used in the part of the protective device that contacts the ground to provide sufficient support and cushioning. In the redundant parts of the protective device, solid rubber can be used to increase its wear resistance and durability. This combined material arrangement not only effectively protects the tunnel segment 400 but also reduces the overall weight to some extent, improving the flexibility and practicality of the device. This design ensures that the tunnel segment 400 is adequately protected during transportation and installation, avoiding damage or deformation due to excessive weight.

Claims

1. A precast concrete segmental corner protection device, characterized by: The utility model provides a kind of pipe piece protection device, including first fastening end (100) and second fastening end (300) and the protection part (200) between the first fastening end (100) and second fastening end (300);The protection part (200) is wrapped at least two corners of the pipe piece (400) and is fixed on pipe piece (400) by first fastening end (100) and second fastening end (300); The protection part (200) includes protective tape (210) for connecting the first fastening end (100) and second fastening end (300), and also includes first protection end (220) and second protection end (230) covering the corners of the pipe piece (400);The protective tape (210) covers the height part of the pipe piece (400). The first protection end (220) and second protection end (230) are respectively arranged at two ends of the protective tape (210);The first protection end (220) and second protection end (230) are arranged as curved sections at the junctions with the protective tape (210);The end of the first protection end (220) and second protection end (230) is fixedly secured to the pipe piece (400).

2. A precast concrete segmental pavement corner protection device according to claim 1, characterised in that, The first fastening end (100) includes first face fixing member (110) and second face fixing member (120) for fastening the two faces of the pipe piece (400);A first side wall fixing member (130) is arranged between the first face fixing member (110) and second face fixing member (120).

3. A precast concrete segmental pavement corner protection device according to claim 2, characterised in that, The length between the first face fixing member (110) and second face fixing member (120) is greater than the height of the pipe piece (400);And the junctions of the first face fixing member (110), second face fixing member (120) and first side wall fixing member (130) are arranged as curved sections.

4. A precast concrete segmental pavement corner protection device according to claim 3, characterised in that, The first face fixing member (110) and second face fixing member (120) are provided with at least one fastener (140) for fastening the surface of the pipe piece (400).

5. A precast concrete segmental pavement corner protection device according to claim 3, characterised in that, The first side wall fixing member (130) is provided with at least two fasteners (140) for fastening the side wall of the pipe piece (400).

6. A precast concrete segmental-pavement corner-protection device according to claim 1, wherein, The first protection end (220) and second protection end (230) extend away from the protective tape (210) through the two ends of the protective tape (210) and are fastened to the side wall of the pipe piece (400) by fasteners (140) at the ends.

7. A precast concrete segmental-pipe corner-protection device according to claim 2, wherein, The first fastening end (100) and second fastening end (300) are respectively arranged on two adjacent side faces of the pipe piece (400).

8. A precast concrete segmental pavement corner protection device according to claim 7, characterised in that, The first protection end (220) and second protection end (230) are used for wrapping and protecting the corners of the pipe piece (400);The curved sections at the junctions of the first protection end (220), second protection end (230) and protective tape (210) are also used for wrapping the corners of the pipe piece (400).

9. A precast concrete segmental pavement corner protection device according to claim 6, wherein, The protective tape (210) wraps at least one edge of the pipe piece (400) and extends to both side faces of the edge of the pipe piece (400).

10. A precast concrete segmental pavement corner protection device according to any one of claims 1 to 9, characterised in that, The second fastening end (300) and the first fastening end (100) are arranged in unison, comprising a third surface fixing member (310) and a fourth surface fixing member (320) and a second side wall fixing member (330) connecting the third surface fixing member (310) and the fourth surface fixing member (320).

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