Overall suspension protection device for loose box culvert
By using a combination of channel steel, sleepers, flexible nylon slings, and rigid ropes in loose box culverts, the problems of large construction interference and high costs in the renovation of old urban areas were solved, achieving efficient construction progress and cost savings.
Patent Information
- Application Number
- CN202520265956.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-19
- Publication Date
- 2026-01-13
- Estimated Expiration
- 2035-02-19
AI Technical Summary
The renovation of loose box culverts in old urban areas presents challenges such as significant construction interference, high costs, and slow progress. Furthermore, the existing facilities cannot be reused, making the renovation process difficult.
The system employs a combination structure of at least two channel steels, sleepers, flexible nylon slings, and rigid ropes. The sleepers distribute the weight of the box culvert bottom, the flexible nylon slings increase the stress area, and the rigid ropes provide additional support, forming a stable suspension protection device.
It reduced disruption to existing infrastructure, improved construction efficiency, saved time and material costs, and ensured the normal use of existing facilities.
Smart Images
Figure CN223792760U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of loose box culvert suspension technology, and in particular to a loose box culvert overall suspension protection device. Background Technology
[0002] The renovation of combined sewer systems in old urban areas involves converting them into separate systems. This is due to the large number of historically inherited, outdated pipelines, many of which are loosely constructed brick culverts, including those for power lines. With increasing population and rising water demand, existing pipelines are insufficient to meet the flow requirements. Therefore, it is necessary to add drainage pipelines to older residential areas and streets with a certain population size. Simultaneously, to improve environmental quality, reduce the operational load on sewage treatment plants, and prevent sewage from flowing into rivers, the pipeline network needs to be upgraded to achieve rainwater and sewage separation. However, old urban areas have low-standard municipal facilities and complex underground pipelines. For decades, most renovations in old urban areas have used combined sewer systems or interceptor-type combined sewer systems, which to some extent avoids the complex underground pipelines, but problems still exist during periods of heavy rainfall, such as sewage overflowing into rivers and sewage treatment plants operating beyond their capacity. Pipeline network renovations cause significant disruption to existing infrastructure because equipment cannot be reused, resulting in slow construction progress and high costs.
[0003] Therefore, there is an urgent need to develop a loose box culvert overall suspension protection device to overcome the shortcomings of existing technologies. Utility Model Content
[0004] The purpose of this invention is to address the shortcomings of existing technologies and provide a loose box culvert overall suspension protection device to improve construction efficiency.
[0005] To achieve the above objectives, the present invention adopts the following technical solution:
[0006] A loose box culvert overall suspension protection device includes: at least two channel steels, sleepers, several flexible nylon slings, and several rigid ropes. The sleepers are placed at the bottom of the loose box culvert, and the width of the sleepers is greater than the width of the loose box culvert. The two channel steels are placed at the top of the loose box culvert and are arranged in parallel. The two channel steels are respectively placed at the long side corners of the loose box culvert. The two channel steels and the sleepers form a rectangular frame. The several flexible nylon slings are arranged equidistantly on the outside of the rectangular frame, and the rigid ropes are arranged on the outside of the flexible nylon slings.
[0007] Preferably, the channel steel is 28a channel steel, and the channel steel is embedded upside down into the soil.
[0008] Preferably, the flexible nylon sling is 20cm wide, the spacing between the flexible nylon slings is 10cm, and two rigid pull ropes are arranged on the outside of each flexible nylon sling, with a spacing of 8cm between the two rigid pull ropes.
[0009] Preferably, the sleeper has a triangular protrusion on its left side.
[0010] Preferably, the width of the sleeper is 20cm greater than the width of the loose box culvert.
[0011] This utility model discloses a loose box culvert integral suspension protection device, which has the following beneficial effects.
[0012] This invention utilizes dried sleepers placed at the bottom of a loosely constructed brick culvert. This distributes the vertical weight of the culvert onto the sleepers, concentrating the stress into a single resultant force. By treating the loose culvert as a whole, it prevents collapse due to uneven localized stress. Flexible nylon slings are placed on the inner layer of the hoisting material to increase the contact area between the slings and the sleepers, preventing excessive pressure and wear. Rigid ropes are placed on the outer layer, with each flexible nylon sling equipped with two ropes to prevent excessive elastic deformation and overall disturbance. This design minimizes disruption to existing infrastructure, ensures the normal operation of existing facilities to the greatest extent possible, accelerates construction progress, and saves on construction costs and material costs. Attached Figure Description
[0013] Figure 1 This is a schematic diagram of the overall structure of this utility model.
[0014] Figure 2 This is a front view structural diagram of the present invention.
[0015] Figure 3 This is a side view of the structure of this utility model.
[0016] Figure 4 This is a schematic diagram of the structure of Example 2.
[0017] In the attached diagram: 1-Loose box culvert; 2-Power line; 3-Sleeper; 4-Channel steel; 5-Flexible nylon sling; 6-Rigid guy rope. Detailed Implementation
[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.
[0019] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Example 1
[0020] Reference Figures 1 to 3 A loose box culvert overall suspension protection device includes: at least two channel steels 4, sleepers 3, several flexible nylon slings 5, and several rigid ropes 6. The sleepers 3 are placed at the bottom of the loose box culvert 1, and the width of the sleepers 3 is greater than the width of the loose box culvert 1. The two channel steels 4 are placed at the top of the loose box culvert 1, and the two channel steels 4 are arranged in parallel. The two channel steels 4 are respectively placed at the long side corners of the loose box culvert 1. The two channel steels 4 and the sleepers 3 form a rectangular frame. Several flexible nylon slings 5 are equidistantly arranged on the outside of the rectangular frame. The rigid ropes 6 are arranged on the outside of the flexible nylon slings 5, with the flexible nylon slings 5 on the inside and the rigid ropes 6 on the outside. This reduces wear on the existing structure, and at the same time, the rigid ropes prevent vertical deformation, providing double protection, reducing damage to the existing loose box culvert 1 during construction, and preventing the displacement and misalignment of the power lines 2.
[0021] This application uses dry sleepers 3 placed at the bottom of the loose brick box culvert 1, so that the vertical gravity is distributed on the sleepers 3, and the stress is combined into a resultant force on the sleepers 3. The loose box culvert 1 is treated as a whole, preventing collapse due to uneven local stress. Flexible nylon slings 5 are placed in the inner layer for hoisting materials to increase the stress area between the slings and the sleepers 3 and prevent excessive pressure from wearing down the sleepers 3; rigid ropes 6 are placed in the outer layer, and each flexible nylon sling 5 is equipped with two ropes to prevent excessive elastic deformation and overall disturbance.
[0022] Preferably, in this embodiment, the channel steel 4 is made of 28a channel steel 4. The channel steel 4 is embedded in the soil with its inverted shape. The double inverted channel steel 4 is used as a top tensile stress support to balance the tension on both sides of the longitudinal pull rope, reduce the wear between the nylon rope and the U-shaped groove of the channel steel 4, and at the same time, the channel steel 4 is partially embedded in the soil to fix the channel steel 4 and prevent slippage.
[0023] Preferably, in this embodiment, the flexible nylon sling 5 is 20cm wide, the spacing between the flexible nylon sling 5 is 10cm, and two rigid pull ropes 6 are arranged on the outside of each flexible nylon sling 5, with a spacing of 8cm between the two rigid pull ropes 6.
[0024] Preferably, in this embodiment, the width of the sleeper 3 is 20cm greater than the width of the loose box culvert 1.
[0025] The overall suspension protection method for loose box culvert 1 is as follows: When carrying out trench construction, determine the specific location of loose box culvert 1. When approaching the location of loose box culvert 1, use manual excavation to excavate the part of loose box culvert 1 that conflicts with the trench, and excavate the soil to the lowest point of loose box culvert 1 to ensure the stability of the loose box culvert 1 structure.
[0026] Select sleeper 3 and adjust its size so that its width is 20cm wider than the width of loose box culvert 1, with one side extending 110cm beyond loose box culvert 1. Hollow out 20cm downwards and 10cm inwards from the bottom of loose box culvert 1, so that the suspended part below loose box culvert 1 forms a cavity of loose box culvert 1 length × 10cm × 20cm. Send sleeper 3 into the cavity and then use manpower to continuously push it forward, pushing out the slag on the other side and continuously cleaning and transporting it out until sleeper 3 extends beyond both sides of loose box culvert 1, so that sleeper 3 evenly supports the weight of the entire loose box culvert 1.
[0027] Install lifting slings, selecting 20cm wide flexible nylon slings 5. These slings are placed around the lower part of the power supply culvert 1 via sleepers 3, spaced 10cm apart, ensuring a tight fit between the nylon slings and the culvert 1. Simultaneously, rigid ropes 6 are wrapped around the outside of the nylon slings, with each flexible nylon sling 5 wrapped around two ropes at 8cm intervals, forming a stable composite lifting structure. This prevents wear and tear on the sleepers 3 and the culvert 1, while ensuring the stability of the lifting structure. During installation, the distance and number of nylon slings and rigid ropes 6 are adjusted according to the different sizes and shapes of the culvert 1.
[0028] Place the load-bearing points, and place two channel steels 4 upside down and embedded into the ground soil above the loose box culvert 1, so that the channel steels 4 are symmetrically distributed on both sides of the loose box culvert 1. The hoisting load-bearing belt passes around the sleepers 3 and the loose box culvert 1, and is suspended on the channel steels 4 for hoisting. Example 2
[0029] Reference Figure 4 Based on Embodiment 1, as a preferred embodiment, in this embodiment, a triangular protrusion is provided on the left side of the sleeper 3 to reduce the labor intensity when the sleeper 3 is sent into the cavity and then continuously pushed forward by manpower.
[0030] The above are merely preferred embodiments of this utility model, but the scope of protection of this utility model is not limited thereto. Substitutions may include replacements for some structures, devices, or method steps, or they may be complete technical solutions. Equivalent substitutions or modifications made based on the technical solution and inventive concept of this utility model should all be covered within the scope of protection of this utility model.
Claims
1. A loose box culvert integral suspension protection device, characterized in that, include: At least two channel steels (4), sleepers (3), several flexible nylon slings (5), and several rigid ropes (6) are provided. The sleepers (3) are placed at the bottom of the loose box culvert (1), and the width of the sleepers (3) is greater than the width of the loose box culvert (1). The two channel steels (4) are placed at the top of the loose box culvert (1). The two channel steels (4) are arranged in parallel and are respectively placed at the long side corner of the loose box culvert (1). The two channel steels (4) and the sleepers (3) form a rectangular frame. The several flexible nylon slings (5) are arranged at equal intervals on the outside of the rectangular frame. The rigid ropes (6) are arranged on the outside of the flexible nylon slings (5).
2. The loose box culvert integral suspension protection device according to claim 1, characterized in that, The channel steel (4) is made of 28a channel steel (4), and the channel steel (4) is embedded upside down into the soil.
3. The loose box culvert integral suspension protection device according to claim 1, characterized in that, The flexible nylon sling (5) is 20cm wide, the spacing between the flexible nylon slings (5) is 10cm, and two rigid pull ropes (6) are arranged on the outside of each flexible nylon sling (5), with a spacing of 8cm between the two rigid pull ropes (6).
4. The loose box culvert integral suspension protection device according to claim 1, characterized in that, The sleeper (3) has a triangular protrusion on its left side.
5. The loose box culvert integral suspension protection device according to claim 1, characterized in that, The width of the sleeper (3) is 20cm greater than the width of the loose box culvert (1).