Temporary suspension device for subway safety belt

Abstract

The utility model provides a temporary suspension device for a subway safety belt, which comprises a fixed module, a movable module, a movable module, a movable module and a movable module, wherein the two ends of the fixed module are adjustably fixed in preformed holes of tunnel segments; the adjusting telescopic module comprises a fixing rod, an adjusting unit and a hanging unit, the fixing rod and the adjusting unit are connected with the fixing module, the adjusting unit adjusts the width between the left side and the right side of the fixing module, and the hanging unit is connected with a safety belt. Wherein before the fixing modules are installed, the width of the fixing modules is adjusted according to the adjacent distance between preformed holes of a field tunnel segment, the fixing modules at the movable ends slide into the corresponding adjusting units, and fixing is achieved after the distance is adjusted. When the hook unit is installed, the safety belt is hung on the hanging unit. The problem that the overhead line system is damaged due to the fact that the safety belt is connected with the overhead line system during subway climbing maintenance can be solved, and the safety and reliability of climbing operation are improved.

Description

Technical Field

[0001] This utility model relates to the field of subway construction equipment technology, and more specifically, to a temporary attachment point device for subway safety belts. Background Technology

[0002] Currently, a significant problem exists for safety belts used in high-altitude operations within Shanghai Metro tunnels: the lack of dedicated, fixed attachment points. To address this challenge, workers often attach their safety belts to the rigid or flexible overhead contact lines within the tunnel. While this method provides some safety, it also carries considerable inherent risks.

[0003] In the event of a fall during operations, the impact of the fall, as the safety harness is directly attached to the overhead contact line of the power supply system, could directly damage these delicate and critical power equipment. More seriously, this damage could lead to a power outage, affecting the normal operation of the entire subway line. This would not only result in significant economic losses but also cause considerable inconvenience to the daily commutes of the public. Therefore, finding a safer and more reliable safety harness installation solution for working at heights has become an urgent problem to be solved in the operation and maintenance of the Shanghai Metro. Utility Model Content

[0004] This utility model provides a temporary attachment point device for subway safety belts, which aims to solve the problem of damage to the contact network caused by the safety belt connecting to the contact network during subway maintenance at heights, and improve the safety and reliability of working at heights.

[0005] To achieve the above objectives, this utility model provides a temporary anchor point device for subway seat belts, comprising:

[0006] A fixing module, wherein both ends of the fixing module are adjustable and fixed in the reserved holes of the tunnel segment;

[0007] An adjustable telescopic module includes a fixed rod, an adjusting unit, and a suspension unit. The fixed rod and the adjusting unit are connected to the fixed module. The adjusting unit adjusts the width between the left and right sides of the fixed module. The suspension unit is connected to the seat belt.

[0008] In one embodiment, the fixing module includes hook units arranged symmetrically, each hook unit having opposing extensions that correspond to pre-drilled holes in the tunnel segment.

[0009] In one embodiment, the adjustment unit includes a plurality of adjustment fixing holes, which are disposed on the fixing rod. The width of the fixing module is adjusted by adjusting the position of the adjustment fixing holes by the adjustment hook unit.

[0010] In one embodiment, the adjustment unit includes a sleeve rod that is sleeved with the fixing rod, and the width of the fixing module is adjusted by adjusting the sleeve length between the sleeve rod and the fixing rod.

[0011] In one embodiment, the bottom of the hook unit is provided with a hook hole, and the fixing rod passes through the hook hole and is connected to the fixing rod.

[0012] In one embodiment, the adjustment unit is provided and fixed to one end of the fixing rod.

[0013] In one embodiment, two adjustment units are provided, fixed to both ends of a fixing rod.

[0014] In one embodiment, the hook unit is provided with a hook limiting part, which is correspondingly provided with the adjustment and fixing hole to adjust and fix the width of the hook unit.

[0015] In one embodiment, the adjustable telescopic module can adjust the width of the fixed module from 28cm to 55cm.

[0016] In one embodiment, the suspension unit is provided with a suspension hole and a seat belt fixing hole. The suspension unit is connected to a fixing rod through the suspension hole, and the seat belt fixing hole is connected to a seat belt.

[0017] This utility model has the following beneficial effects:

[0018] 1. High Applicability: This device utilizes adjacent pre-reserved holes on subway tunnel segments as anchor points. Its structural design is not only reliable and stable but also highly practical and widely applicable. It can be flexibly adjusted to adapt to various distance differences between adjacent pre-reserved holes in actual subway tunnels, thus effectively solving the safety hazards caused by the lack of reliable safety belt anchor points during subway tunnel construction at heights.

[0019] 2. Simplicity: The device has a simple and clear overall structure, making it easy to carry and transport. Furthermore, during installation, it does not require overly complex or precise accessories, simplifying the installation process and greatly improving construction efficiency. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the structure of a temporary anchor point device for subway seat belts according to an embodiment of the present invention;

[0021] Figure 2 This is a simplified schematic diagram illustrating the connection between a temporary anchor point device for subway safety belts and a tunnel, according to an embodiment of the present invention.

[0022] Figure 3This is a schematic diagram of the tunnel installation of a temporary anchor point device for subway safety belts according to an embodiment of the present invention.

[0023] Among them, 100 is the hook unit; 110 is the extension part; 120 is the limiting pile; 210 is the fixing rod; 220 is the adjustment fixing hole; 230 is the suspension unit; 231 is the safety belt fixing hole; and 300 is the reserved hole for tunnel segments. Detailed Implementation

[0024] To make the objectives, technical solutions, and advantages of this application clearer, the technical solutions in the embodiments of this application will be described in more detail below with reference to the accompanying drawings. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions. The described embodiments are some embodiments of this application, but not all embodiments. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this application, and should not be construed as limiting this application. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application.

[0025] Figure 1 This is a schematic diagram of a temporary anchor point device for subway seat belts according to an embodiment of the present invention. The temporary anchor point device for subway seat belts includes:

[0026] The fixing module is adjustable at both ends and fixed within the reserved holes 300 of the tunnel segment;

[0027] The adjustable telescopic module includes a fixed rod 210, an adjusting unit, and a suspension unit 230. The fixed rod 210 and the adjusting unit are connected to the fixed module. The adjusting unit adjusts the width between the left and right sides of the fixed module. The suspension unit 230 is connected to the seat belt.

[0028] The adjustable telescopic module can adjust the length of the fixing module, so that the fixing module can be adapted to be fixed within the reserved hole 300 of the tunnel segment.

[0029] In one embodiment, the fixing module includes a hook unit 100, which is symmetrically arranged and includes an opposing extension 110 that corresponds to a reserved hole 300 in the tunnel segment.

[0030] Specifically, the reserved holes 300 of the tunnel segment correspond to the symmetrical and opposite extensions 110. When the width of the fixing module does not meet the reserved holes 300 of the tunnel segment, the distance between the opposite extensions 110 can be adjusted by the adjustment unit.

[0031] In one embodiment, the adjustment unit includes a plurality of adjustment fixing holes 220, which are disposed on the fixing rod 210. The width of the fixing module is adjusted by adjusting the position of the hook unit 100 at the adjustment fixing holes 220.

[0032] Specifically, in this scheme, one end of the hook unit 100 is fixed to the fixing rod 210, and the other end is fixed to the adjusting fixing hole 220. The width of the hook unit 100 can be adjusted by changing the position fixed to the adjusting fixing hole 220.

[0033] In one embodiment, the adjustment unit includes a sleeve rod that is sleeved with the fixing rod 210. The width of the fixing module is adjusted by adjusting the sleeve length between the sleeve rod and the fixing rod 210.

[0034] Specifically, in this scheme, one end of the hook unit 100 is fixed to the fixing rod 210, and the other end is fixed to the sleeve rod. The width of the hook unit 100 can be adjusted by changing the sleeve length between the sleeve rod and the fixing rod 210.

[0035] In one embodiment, the hook unit 100 has a hook hole at its bottom, and the fixing rod 210 passes through the hook hole and is connected to the fixing rod 210.

[0036] Specifically, when the adjustment unit includes multiple adjustment holes, the diameter of the hook hole corresponds to the diameter of the fixing rod 210; when the adjustment unit includes a sleeve rod that is sleeved with the fixing rod 210, the hook hole corresponds to both the fixing rod 210 and the sleeve rod.

[0037] In one embodiment, the adjustment unit is provided and fixed to one end of the fixing rod 210.

[0038] In one embodiment, two adjustment units are provided, fixed to both ends of the fixing rod 210.

[0039] Specifically, the adjustment unit can be located at both ends of the fixed end, allowing adjustment at both ends of the fixed module, thus enabling a wider range of width adjustment for the fixed module. Alternatively, the adjustment unit can be located at one end of the fixed end, allowing adjustment at only one end of the fixed module, facilitating adjustments by the operator.

[0040] In one embodiment, the hook unit 100 is provided with a hook limiting part, which is correspondingly provided with the adjustment and fixing hole 220 to adjust and fix the width of the hook unit 100.

[0041] Specifically, the hook limiting part is provided with a limiting post 120, which is inserted into the hook limiting part and the adjustment fixing hole 220 to fix the distance of the hook unit 100.

[0042] In one embodiment, the adjustable telescopic module can adjust the width of the fixed module from 28cm to 55cm.

[0043] In one embodiment, the suspension unit 230 is provided with a suspension hole and a seat belt fixing hole 231. The suspension unit 230 is connected to the fixing rod 210 through the suspension hole, and the seat belt fixing hole 231 is connected to the seat belt.

[0044] In one embodiment, such as Figure 2 , Figure 3 As shown, before installing the hook, the limiting stake 120 of the hook unit 100 is removed. The width of the hook unit 100 is adjusted according to the adjacent spacing of the reserved holes 300 of the tunnel segments on site. First, the hook unit 100 connected to the fixing rod 210 is fixed. Then, the movable end of the hook unit 100 is slid into the corresponding adjustment fixing hole 220. After adjusting the distance, the limiting stake 120 is inserted into the adjustment fixing hole 220 and the hook limiting part.

[0045] Once the hook unit 100 is installed, attach the safety belt to the suspension unit 230.

[0046] This utility model has the following beneficial effects:

[0047] 1. High Applicability: This device utilizes adjacent pre-reserved holes on subway tunnel segments as anchor points. Its structural design is not only reliable and stable but also highly practical and widely applicable. It can be flexibly adjusted to adapt to various distance differences between adjacent pre-reserved holes in actual subway tunnels, thus effectively solving the safety hazards caused by the lack of reliable safety belt anchor points during subway tunnel construction at heights.

[0048] 2. Simplicity: The device has a simple and clear overall structure, making it easy to carry and transport. Furthermore, during installation, it does not require overly complex or precise accessories, simplifying the installation process and greatly improving construction efficiency.

[0049] In the description of this application, it should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. For ease of description, the dimensions of the various parts shown in the drawings are not drawn to actual scale. Techniques, methods, and devices known to those skilled in the art may not be discussed in detail, but where appropriate, such techniques, methods, and devices should be considered part of the specification. In all examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not as limitations. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters in the following drawings denote similar items; therefore, once an item is defined in one drawing, it need not be further discussed in subsequent drawings.

[0050] It should be noted that, in this application, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. It should also be noted that the scope of the methods and apparatuses in the embodiments of this application is not limited to performing functions in the order shown or discussed, but may also include performing functions substantially simultaneously or in the reverse order, depending on the functions involved. For example, the described methods may be performed in a different order than described, and various steps may be added, omitted, or combined. Furthermore, features described with reference to certain examples may be combined in other examples.

[0051] Furthermore, it should be noted that, unless otherwise explicitly specified and limited, the terms "connection" and "driving" used in the description of this application should be interpreted broadly. They can refer to direct connections, connections through an intermediate medium, or relationships within two elements. Those skilled in the art can understand their specific meaning in this application based on the specific circumstances.

[0052] The above embodiments are provided for those skilled in the art to implement or use this application. Those skilled in the art can make various modifications or changes to the above embodiments without departing from the spirit of this application. Therefore, the scope of protection of this application is not limited to the above embodiments, but should be the maximum scope that conforms to the innovative features mentioned in the claims.

Claims

1. A subway safety belt temporary suspension device, characterized in that, The subway safety belt temporary suspension device comprises: A fixed module, two ends of which are adjustably fixed in reserved holes of a tunnel segment; An adjustable telescopic module, which comprises a fixed rod, an adjusting unit and a suspension unit, the fixed rod and the adjusting unit being connected with the fixed module, the adjusting unit adjusting the width between the left and right sides of the fixed module, and the suspension unit being connected with the safety belt; The fixed module comprises a hook unit, which is symmetrically arranged, and comprises opposite extension portions corresponding to the reserved holes of the tunnel segment; the adjusting unit comprises a plurality of adjusting fixing holes arranged on the fixed rod, the width of the fixed module being adjusted by adjusting the position of the hook unit in the adjusting fixing holes; the hook unit is provided with a hook limiting portion, which is correspondingly arranged with the adjusting fixing holes, so as to adjust and fix the width of the hook unit, the hook limiting portion being provided with a limiting post inserted into the hook limiting portion and the adjusting fixing hole to fix the distance of the hook unit; the adjustable telescopic module adjusts the width of the fixed module in the range of 28cm to 55cm; the suspension unit is provided with a suspension round hole and a safety belt fixing hole, the suspension unit being connected with the fixed rod through the suspension round hole, and the safety belt fixing hole being connected with the safety belt.

2. The temporary suspension device for a subway safety belt according to claim 1, characterized in that, The adjusting unit comprises a sleeve rod sleeved with the fixed rod, the width of the fixed module being adjusted by adjusting the sleeving length of the sleeve rod and the fixed rod.

3. The temporary suspension device for a subway safety belt according to claim 2, characterized in that, The bottom of the hook unit is provided with a hook round hole, the fixed rod being connected with the fixed rod through the hook round hole.

4. The temporary suspension device for a subway seat belt according to claim 1, wherein The adjusting unit is provided with one, which is fixed to one end of the fixed rod.

5. The temporary suspension device for a subway seat belt according to claim 1, wherein The adjusting unit is provided with two, which are fixed to both ends of the fixed rod.

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