Rain drainage well anti-falling structure

By using mounting brackets to fix the fall protection net in the drainage well, and utilizing the design of sliders and elastic sheets, the problems of inconvenient replacement and insufficient safety of traditional fall protection nets are solved, achieving rapid installation and stable positioning, and improving safety and structural stability.

CN223688963UActive Publication Date: 2025-12-19BINZHOU HONGNUO NEW MATERIALS CO LTD +1
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Patent Information

Application Number
CN202422587552.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-25
Publication Date
2025-12-19
Estimated Expiration
2034-10-25

AI Technical Summary

Technical Problem

Traditional fall protection nets are directly fixed to expansion bolts in drainage wells, which makes replacement inconvenient and poses a risk of injuring people who fall in. In addition, the structure is not stable and safe enough.

Method used

The safety net is fixed with an installation bracket, and the design of sliders, rope grooves and elastic plates enables the safety net to be installed quickly and positioned stably, avoiding direct contact of bolts and improving replacement efficiency and safety.

Benefits of technology

It enables quick replacement and stable installation of fall protection nets, avoids the risk of bolt scratches, improves safety and structural stability, and reduces wear on connecting ropes.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an anti-falling structure of a rain drainage well, which relates to the technical field of rain drainage wells and comprises a mounting frame, the mounting frame is fixedly mounted on a manhole through a plurality of expansion bolts, and an anti-falling net is fixedly mounted on the mounting frame. According to the technical scheme, the anti-falling net is installed on the installation frame instead of being directly fixed to an expansion bolt traditionally, the anti-falling net is directly installed on the installation frame, replaceability is enhanced, replacement is facilitated, efficiency is improved, meanwhile, the situation that the bolt scratches a falling person is avoided, and safety is improved. A base is fixedly installed at the bottom end of the installation frame, an inner side baffle is fixedly installed on the inner side of the base, a plurality of sliding blocks are installed between the base and the inner side baffle in a sliding mode, connecting ropes are fixedly installed on the sliding blocks, and the connecting ropes are fixedly connected with the anti-falling net. By means of the technical scheme, the sliding block can be installed on the installation frame more quickly, sliding of the sliding block can be limited by arranging the base and the inner side baffle, and stability is guaranteed.
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Description

TECHNICAL FIELD

[0001] The utility model relates to rain drainage well technical field especially relates to a rain drainage well anti -fall structure. BACKGROUND

[0002] Drainage wells are crucial components of urban drainage systems, playing a key role in collecting and discharging rainwater, wastewater, and groundwater. These facilities are typically cleverly placed underground to effectively direct water flow into the drainage pipe system without occupying ground space. The design of drainage wells takes into account their functional diversity and environmental adaptability, ensuring stable operation under various weather and geological conditions. They preprocess incoming water through specific structures and mechanisms, such as inlets, filter screens, and sedimentation tanks, to remove impurities and pollutants, thereby protecting the drainage pipe from blockage and damage. The arrangement and maintenance of drainage wells are of great significance for urban flood control, protection of residential living environments, and promotion of sustainable development, making them indispensable infrastructure for ensuring the smooth operation of urban drainage systems and maintaining ecological balance.

[0003] Fall arrest nets are protective facilities designed to improve public safety, particularly in underground facilities such as drainage wells and inspection wells. They are typically made of high-strength, corrosion-resistant materials such as stainless steel or synthetic fibers to ensure that they can withstand the weight of accidental falling objects and maintain structural integrity over time. The installation of fall arrest nets aims to prevent people or large objects from accidentally falling into the well, causing injury or blocking the drainage system. The mesh size of the net is carefully calculated to effectively intercept potential hazards without affecting normal water flow. In addition, fall arrest nets are easy to install, maintain, and inspect, and can adapt to various complex environments and well opening sizes, providing city managers with an efficient and reliable protective measure that significantly improves the safety and reliability of facilities such as drainage wells, ensuring the safety of the public's life and property. Traditional fall arrest nets are directly fixed on the inner wall of the manhole by bolts. SUMMARY

[0004] To solve the above technical problems, the utility model discloses a rain drainage well anti -fall structure, including mounting bracket, mounting bracket fixed mounting is in the manhole, the mounting bracket is fixed with the anti -fall net on.

[0005] Further, the mounting bracket is fixedly installed on the manhole by a plurality of expansion bolts.

[0006] Further, the bottom end of the mounting frame is fixedly provided with a base, the inner side of the base is fixedly provided with an inner side baffle, a plurality of sliding blocks are slidably arranged between the base and the inner side baffle, connecting ropes are fixedly arranged on the sliding blocks, and the connecting ropes are fixedly connected with the anti-falling net.

[0007] Further, the inner side baffle is lower than the mounting frame, and a rope groove is arranged in the sliding block.

[0008] Further, a large gap is arranged on the inner side baffle, and the sliding block enters between the mounting frame and the inner side baffle from the large gap. Through the above technical solution, the sliding block is inserted into the mounting frame and the inner side baffle from the large gap, at this time, the connecting rope can be placed in the rope groove for sliding, so that the sliding block can be sent to the specified position without disassembling the mounting frame and the inner side baffle, and the connecting rope is not interfered, and can slide through the slightly lower upper side of the inner side baffle.

[0009] Further, a small gap is arranged on the inner side baffle, the small gap is located on both sides of the large gap, and the width of the small gap is adapted to the diameter of the connecting rope.

[0010] Further, a round corner is arranged on one side of the small gap close to the anti-falling net.

[0011] Further, an elastic sheet is fixedly arranged in the mounting frame, two elastic plates are fixedly arranged on one side of the sliding block abutting against the mounting frame, and the elastic sheet is clamped between the two elastic plates for positioning.

[0012] Further, an upper cover is fixedly arranged on the mounting frame and the inner side baffle, and the upper cover is an inclined surface. Through the above technical solution, the cooperation of the elastic plate and the elastic sheet can position the sliding block, so that the sliding block will not move during use, the connecting rope placed in the small gap is less folded, safety is ensured, and the round corner can reduce the abrasion of the connecting rope.

[0013] The beneficial effects of the utility model compared with the prior art are:

[0014] (1) Through the above technical solution, the anti-falling net is installed on the mounting frame instead of being directly fixed on the expansion bolt, the anti-falling net is directly installed on the mounting frame to improve replaceability, facilitate replacement and improve efficiency, and the bolt is prevented from scratching the falling person, and safety is improved.

[0015] (2) Through the above technical solution, the sliding sliding block can be more quickly installed on the mounting frame, the base and the inner side baffle can limit the sliding of the sliding block, and stability is ensured.

[0016] (3) Through the above technical scheme, the sliding block is inserted into the installation frame and the inner side baffle from the large gap, at this time the connecting rope can be placed in the rope groove for sliding, so that the sliding block can be sent to the designated position without disassembling the installation frame and the inner side baffle, and the sliding block is in close contact with the installation frame and the inner side baffle throughout the process, and the connecting rope is not interfered, and can be followed by sliding through the slightly lower upper side of the inner side baffle.

[0017] (4) Through the above technical scheme, the cooperation of the elastic plate and the elastic sheet can position the sliding block, so that the sliding block cannot move during use, the connecting rope is placed in the small gap, so that the connecting rope is less folded, safety is guaranteed, and the round corner can also reduce the wear of the connecting rope. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a whole structure schematic view of the rain well anti-falling structure.

[0019] Figure 2 It is a local structure schematic view of the rain well anti-falling structure.

[0020] Figure 3 It is Figure 1 It is an enlarged view of A in the middle.

[0021] The drawings show that: 1 is a manhole; 2 is an expansion bolt; 3 is an installation frame; 4 is a large gap; 5 is an inner side baffle; 6 is a base; 7 is a small gap; 8 is a sliding block; 9 is an inclined surface; 10 is an elastic plate; 11 is an elastic sheet; 12 is a rope groove; 13 is a connecting rope; 14 is a falling prevention net; and 15 is an upper cover. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the present application will be described clearly and completely in combination with the drawings in the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application.

[0023] As Figures 1-3The rain well anti-falling structure shown comprises a mounting frame 3 fixedly installed in the manhole 1, the height of which is determined by the site construction personnel, and is installed at a position above the well mouth. The fixed manner can be various, and can be installed through pre-buried. In the embodiment, the mounting frame 3 is fixedly installed on the manhole 1 through a plurality of expansion bolts 2, and the expansion bolts 2 are used to fix the mounting frame 3 on the inner wall of the manhole 1. This manner can meet most of the existing rain well and other manholes. The mounting frame 3 is fixedly installed with an anti-falling net 14. Through the above technical solution, the anti-falling net 14 is installed on the mounting frame 3 instead of being directly fixed on the expansion bolt, and the anti-falling net 14 is directly installed on the mounting frame 3 to improve the replaceability, facilitate replacement and improve the efficiency, and meanwhile, the bolt is prevented from scratching the falling person, and the safety is improved.

[0024] In the embodiment, the bottom end of the mounting frame 3 is fixedly installed with a base 6, the inner side of the base 6 is fixedly installed with an inner side baffle 5 to form a circular chute, a plurality of sliding blocks 8 are slidably installed between the base 6 and the inner side baffle 5, specifically eight sliding blocks 8, the sliding blocks 8 are fixedly installed with connecting ropes 13, and the connecting ropes 13 are fixedly connected with the anti-falling net 14. Through the above technical solution, the sliding sliding block 8 can be more quickly installed on the mounting frame 3, the base 6 and the inner side baffle 5 are arranged to limit the sliding of the sliding block 8, and the stability is ensured. The inner side baffle 5 is lower than the mounting frame 3, the mounting frame 3 and the inner side baffle 5 are fixedly installed with an upper cover 15, and the upper cover 15 is an inclined surface. The sliding block 8 is provided with a rope groove 12, a gap is left between the inner side baffle 5 and the upper cover 15, the width of the gap is just the diameter of the connecting rope 13, the connecting rope 13 moves in the gap between the inner side baffle 5 and the upper cover 15 when the sliding block 8 slides, and the sliding block 8 is provided with the rope groove 12. When the sliding block 8 slides, the connecting rope 13 is placed in the rope groove 12, the width of the rope groove 12 is slightly larger than the diameter of the connecting rope 13, and the connecting rope 13 extends from the expansion bolt 2 to the gap between the inner side baffle 5 and the upper cover 15. The inner side baffle 5 is provided with large notches 4, a total of four large notches 4, and the sliding block 8 enters between the mounting frame 3 and the inner side baffle 5 from the large notches 4. Two sliding blocks 8 enter from the same large notch 4 and then slide in the opposite direction. Through the above technical solution, the sliding block 8 is inserted into the mounting frame 3 and the inner side baffle 5 from the large notch 4, at this time, the connecting rope 13 can be placed in the rope groove 12 to slide, so that the sliding block 8 can be sent to the specified position without disassembling the mounting frame 3 and the inner side baffle 5, the sliding block 8 is in close contact with the mounting frame 3 and the inner side baffle 5 throughout the process, the connecting rope 13 is not interfered, and can slide by following the upper side distance of the slightly lower inner side baffle 5.

[0025] In the embodiment, small notches 7 are arranged on the inner baffle 5, and the small notches 7 are located on both sides of the large notches 4, and each of the large notches 4 is provided with the small notches 7 on both sides, and the small notches 7 are eight in total, and the positions correspond to the sliding blocks 8, and the width of the small notches 7 is adapted to the diameter of the connecting ropes 13. The side of the small notches 7 close to the falling protection net 14 is provided with a round corner. The elastic sheets 11 are fixedly arranged in the mounting frame 3, and the sliding blocks 8 are fixedly provided with two elastic plates 10 on the side close to the mounting frame 3, and the elastic sheets 11 are clamped between the two elastic plates 10 for positioning. Through the above technical scheme, the elastic plates 10 and the elastic sheets 11 can position the sliding blocks 8, so that the sliding blocks 8 cannot move in the use process, the connecting ropes 13 are less folded in the small notches 7, safety is ensured, and the round corner can reduce the abrasion of the connecting ropes 13.

[0026] Principle of use: The mounting frame 3 is installed at the corresponding position through the expansion bolts 2 after the holes are punched on the inner wall of the manhole 1 in advance, the connecting ropes 13 are fixed in the rope grooves 12 when the falling protection net 14 needs to be installed, the sliding blocks 8 are inserted into the mounting frame 3 and the inner baffle 5 from the large notches 4, the connecting ropes 13 are placed in the rope grooves 12, then pass through the gap between the inner baffle 5 and the upper cover 15, the connecting ropes 13 are pulled to drive the sliding blocks 8 to move until the elastic sheets 11 are clamped between the two elastic plates 10, and the sound can be heard and felt, then the connecting ropes 13 are placed in the small notches 7, and the eight sliding blocks 8 are placed in the small notches 7, and the installation is completed.

[0027] The above embodiment only expresses one or several embodiments of the present application, and the description is more specific and detailed, but it cannot be understood as the limitation of the scope of the present application. It should be pointed out that, for ordinary skilled in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, and these all belong to the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the appended claims.

Claims

1. A rain shaft anti-falling structure, characterized in that, The utility model provides a kind of safety device for manhole, including mounting bracket (3), mounting bracket (3) is fixedly installed in manhole (1), and the mounting bracket (3) is fixedly equipped with anti-falling net (14);The bottom end of the mounting bracket (3) is fixedly equipped with base (6), and the inboard of base (6) is fixedly equipped with inboard baffle (5), and a plurality of sliding blocks (8) are slidably equipped between the base (6) and inboard baffle (5), and connecting rope (13) is fixedly equipped on sliding block (8), and connecting rope (13) is fixedly connected with anti-falling net (14).

2. The rain drainage well anti-falling structure according to claim 1, characterized in that, The mounting bracket (3) is fixedly installed on the manhole (1) by a plurality of expansion bolts (2).

3. The rain drainage well anti-falling structure according to claim 1, characterized in that, The inboard baffle (5) is lower than the mounting bracket (3), and the sliding block (8) is provided with a rope groove (12) inside.

4. The rain shaft anti-falling structure according to claim 3, characterized in that, The inboard baffle (5) is provided with a large gap (4), and the sliding block (8) enters between the mounting bracket (3) and the inboard baffle (5) from the large gap (4).

5. The rain shaft anti-falling structure according to claim 4, characterized in that, The inboard baffle (5) is provided with a small gap (7), and the small gap (7) is located on both sides of the large gap (4), and the width of the small gap (7) is adapted to the diameter of the connecting rope (13).

6. The rain shaft anti-falling structure according to claim 5, characterized in that, The small gap (7) is provided with a round corner near the side of the anti-falling net (14).

7. The rain shaft anti-falling structure according to claim 6, characterized in that, The mounting bracket (3) is fixedly equipped with an elastic sheet (11), and the side of the sliding block (8) abutting against the mounting bracket (3) is fixedly equipped with two elastic plates (10), and the elastic sheet (11) is clamped between the two elastic plates (10) for positioning.

8. The rain shaft anti-falling structure according to claim 7, characterized in that, The mounting bracket (3) and the inboard baffle (5) are fixedly equipped with an upper cover (15), and the upper cover (15) is an inclined surface.