A sewer trench collapse early warning and emergency support device

Abstract

This invention discloses a drainage network trench collapse early warning and emergency support device, including a support frame. The support frame has an internal groove, and a slider is slidably mounted inside the groove. One end of the slider extending out of the groove is hinged to a diagonal rod, and the end of the diagonal rod away from the slider is hinged to a bottom rod. The end of the bottom rod away from the diagonal rod is hinged to the support frame. A cover a is bolted to the upper end of the support frame. A locking rod is installed on the side wall of the support frame, and a fixing plate is attached to the side wall. A locking groove is formed on one side of the fixing plate, and the locking rod passes through the locking groove. This drainage network trench collapse early warning and emergency support device allows for rotational adjustment between the diagonal rod and the slider, between the diagonal rod and the bottom rod, and between the bottom rod and the support frame. Therefore, the distribution angle of the support frame and the support plate can be flexibly adjusted to adapt to the inclination of the trench sidewall and provide support, improving the flexibility and adaptability of the device.

Description

Technical Field

[0001] This invention relates to the field of construction safety technology for municipal drainage projects, specifically to a drainage network trench collapse early warning and emergency support device. Background Technology

[0002] In the construction and maintenance of municipal drainage pipe networks, trench excavation is a fundamental and frequent construction step. It usually adopts the operation mode of "mechanical rough excavation + manual fine finishing". Construction personnel need to enter the bottom of the trench to perform pipeline positioning, laying and fine finishing operations. Drainage pipe network trench construction is mostly located in urban built-up areas, where groundwater levels change frequently, soil conditions are complex (such as silty clay, sandy soil and other easily unstable soil layers), and there are often buildings, underground pipelines and other municipal facilities in the surrounding area, which makes slope instability and collapse accidents very easy to occur during trench excavation.

[0003] Currently, existing trench protection technologies have many shortcomings: On the one hand, traditional support methods (such as sheet piles, channel steel supports, and wooden retaining boards) have relatively simple collapse early warning methods, relying mostly on manual visual judgment by construction personnel. It is difficult to detect signs of collapse such as slight soil displacement in advance, resulting in a strong lag in early warning. Once a sudden collapse occurs, the evacuation route for workers in the trench is restricted, and they are easily buried by the excavated soil, causing personal injury accidents and posing extremely high safety risks. The entire device is not easy to disassemble and fold, thus reducing its storage space and making it inconvenient to transport. The support device is difficult to adapt to the characteristics of the side wall inclination of the drainage pipe network trench construction site, and the support strength is not adjustable. It cannot be flexibly adapted according to the side wall inclination and soil conditions, resulting in limited applicability. Therefore, we propose a drainage pipe network trench collapse early warning and emergency support device to solve the above-mentioned problems. Summary of the Invention

[0004] The purpose of this invention is to provide a drainage pipe network trench collapse early warning and emergency support device to solve the problems of delayed early warning of drainage pipe network trench construction and poor adaptability of support devices mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a drainage pipe network trench collapse early warning and emergency support device, including a support, a sliding groove is provided inside the support, a slider is slidably arranged inside the sliding groove, a diagonal rod is hinged to one end of the slider extending out of the sliding groove, a bottom rod is hinged to one end of the diagonal rod away from the slider, and a cover a is bolted to the upper end of the support; The bracket has a locking rod installed on its side wall, and a fixing plate is attached to the side wall of the bracket. A locking groove is opened on one side of the fixing plate, and the locking rod passes through the locking groove. The fixed plate has a moving groove and a limiting groove on opposite sides. A moving block is slidably arranged inside the moving groove. A first folding rod and a second folding rod are respectively hinged to opposite sides of the moving block. The middle parts of the first folding rod and the second folding rod are rotatably connected by a rotating shaft. A support plate is slidably arranged inside the limiting groove. A cover b is bolted to the opening of the moving groove at the end of the fixed plate. A humidity sensor and a distance sensor are installed on the side of the support plate closest to the trench sidewall; A protective net is connected between the fixing plates. An installation box is installed on the upper side of the fixing plate at the upper position. A controller and an early warning monitoring module are installed inside the installation box. An audible and visual alarm is installed on the top of the installation box.

[0006] Preferably, the slider has an "I" shaped structure, and the slider is fixed to the bracket by bolts, which can ensure that the slider slides smoothly, prevent the slider from falling off the bracket, and lock the position of the slider.

[0007] Preferably, in the unfolded state, the bracket, diagonal rod, and base rod form a triangular structure. The total length of the diagonal rod and base rod is less than the height of the bracket, which can stably support the bracket. When the diagonal rod and base rod are folded into a vertical state, they can smoothly fit against the side of the bracket.

[0008] Preferably, the positions of the locking rod and the locking slot are correspondingly distributed, and the height of the locking rod is less than the depth of the locking slot. The assembly of the bracket and the fixing plate is achieved by the engagement of the locking rod and the locking slot.

[0009] Preferably, the movable block has a "T" shaped structure, the shape of the movable block is adapted to the shape of the movable groove, and the movable groove is distributed with an open end structure, so that the movable block can slide smoothly in the movable groove and avoid the movable block from leaving the movable groove.

[0010] Preferably, there is a gap between the first folding rod and the second folding rod, and the first folding rod and the second folding rod are staggered to ensure that the first folding rod and the second folding rod can rotate smoothly.

[0011] Preferably, the protective net is located between the first folding rod, the second folding rod, and the support plate. The support plate has a side-convex structure, and the protective net is used for protection when the device is dismantled.

[0012] Preferably, the limiting groove is distributed with openings at both ends, and the limiting groove and the moving groove are not connected to each other, which facilitates the removal of the support plate.

[0013] Preferably, the distance sensor is installed on the side of the support plate facing the trench sidewall, and the distance sensors are evenly distributed on the support plate to monitor the distance change between the support plate and the trench sidewall.

[0014] Compared with the prior art, the beneficial effects of the present invention are: (1) The drainage network trench collapse early warning and emergency support device comprehensively captures the early warning signals of trench collapse through multi-parameter collaborative monitoring of displacement and humidity. Compared with traditional manual visual inspection, the early warning response is more timely and accurate, and can issue early warnings and remind construction personnel to avoid danger, effectively avoiding personal injury accidents caused by sudden collapse. (2) The drainage network trench collapse early warning and emergency support device, through the protective net located between the first folding rod and the second folding rod and the support plate, provides protection when the support device is dismantled, preventing a sudden collapse after the device is dismantled and blocking the collapsed soil from entering the work area; (3) The drainage network trench collapse early warning and emergency support device uses retractable diagonal bars and bottom bars to improve the stability of the support while making it easy to fold and reduce the space occupied. At the same time, the bracket and the fixed plate can be disassembled, the fixed plate and the support plate can be disassembled, and the two fixed plates distributed in parallel can be folded, further reducing the space occupied by the support device and making it easy to transport. (4) The drainage network trench collapse early warning and emergency support device can be rotated and adjusted between the inclined rod and the slider, between the inclined rod and the bottom rod, and between the bottom rod and the support. Therefore, the distribution angle of the support and the support plate can be flexibly adjusted to adapt to the inclination of the trench sidewall and fit it to support it, thereby improving the flexibility and adaptability of the device. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram of the structure of the present invention from a bottom view; Figure 3 This is a schematic diagram of the protective net structure of the present invention; Figure 4 This is a schematic diagram of the fixing plate structure of the present invention; Figure 5 This is a schematic cross-sectional view of the support structure of the present invention; Figure 6 This is a schematic diagram of the moving block structure of the present invention; Figure 7 This is a schematic cross-sectional view of the fixing plate of the present invention; Figure 8 This is a cross-sectional view of the mounting box of the present invention; Figure 9 For the present invention Figure 3 A magnified structural diagram at point A in the diagram.

[0016] In the diagram: 1. Bracket; 2. Slider; 3. Diagonal rod; 4. Base rod; 5. Clamping rod; 6. Fixing plate; 7. Slot; 8. Moving slot; 9. Moving block; 10. First folding rod; 11. Second folding rod; 12. Rotating shaft; 13. Protective net; 14. Limiting slot; 15. Support plate; 16. Humidity sensor; 17. Distance sensor; 18. Cover a; 19. Cover b; 20. Slide; 21. Mounting box; 22. Controller; 23. Early warning monitoring module; 24. Audible and visual alarm. Detailed Implementation

[0017] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0018] Please see Figures 1-9 The present invention provides the following technical solution: a drainage pipe network trench collapse early warning and emergency support device, including a support 1, a sliding groove 20 is provided inside the support 1, a slider 2 is slidably arranged inside the sliding groove 20, a diagonal rod 3 is hinged to one end of the slider 2 extending out of the sliding groove 20, a bottom rod 4 is hinged to one end of the diagonal rod 3 away from the slider 2, and the bottom rod 4 is hinged to the support 1 at one end away from the diagonal rod 3. A cover a18 is bolted to the upper end of the support 1. Furthermore, slider 2 has an "I" shaped structure, and slider 2 is fixed to bracket 1 by bolts; Furthermore, in the unfolded state, the support 1, the diagonal rod 3, and the base rod 4 form a triangular structure, and the total length of the diagonal rod 3 and the base rod 4 is less than the height of the support 1; A clamping rod 5 is installed on the side wall of the bracket 1, and a fixing plate 6 is attached to the side wall of the bracket 1. A slot 7 is opened on one side of the fixing plate 6, and the clamping rod 5 passes through the slot 7. Furthermore, the positions of the locking lever 5 and the locking slot 7 are correspondingly distributed, and the height of the locking lever 5 is less than the depth of the locking slot 7; The fixed plate 6 has a moving groove 8 and a limiting groove 14 on opposite sides. A moving block 9 is slidably arranged inside the moving groove 8. A first folding rod 10 and a second folding rod 11 are hinged to opposite sides of the moving block 9. The middle parts of the first folding rod 10 and the second folding rod 11 are rotatably connected by a rotating shaft 12. A support plate 15 is slidably arranged inside the limiting groove 14. A cover b19 is bolted to the opening of the moving groove 8 at the end of the fixed plate 6. Furthermore, the movable block 9 has a "T" shaped structure, and the shape of the movable block 9 is adapted to the shape of the movable groove 8, which is distributed with an open end. Furthermore, there is a gap between the first folding rod 10 and the second folding rod 11, and the first folding rod 10 and the second folding rod 11 are distributed alternately. Furthermore, the limiting groove 14 is distributed with openings at both ends, and the limiting groove 14 and the moving groove 8 are not connected to each other; A humidity sensor 16 and a distance sensor 17 are installed on the side of the support plate 15 near the trench sidewall; Furthermore, the distance sensor 17 is installed on the side of the support plate 15 facing the trench sidewall, and the distance sensors 17 are evenly distributed on the support plate 15. A protective net 13 is connected between the fixed plates 6. An installation box 21 is installed on the upper side of the fixed plate 6 at the upper position. A controller 22 and an early warning monitoring module 23 are installed inside the installation box 21. An audible and visual alarm 24 is installed on the top of the installation box 21. Furthermore, the protective net 13 is located between the first folding rod 10 and the second folding rod 11 and the support plate 15, and the support plate 15 has a side "convex" structure; Working principle: When using this drainage network trench collapse early warning and emergency support device, the upper fixed plate 6 is first driven to move upward, so that the upper and lower fixed plates 6 move away from each other. At this time, the first folding rod 10 and the second folding rod 11 are rotated by force. The middle part of the first folding rod 10 and the second folding rod 11 rotates through the pivot 12, and the upper and lower ends of the first folding rod 10 and the second folding rod 11 rotate on the hinged moving block 9 respectively. At the same time, the moving block 9 is slid in the moving groove 8, so that the first folding rod 10 and the second folding rod 11 can rotate and unfold smoothly to support the fixed plate 6. After the two fixed plates 6 are unfolded, the protective net 13 connected between the two fixed plates 6 is also unfolded simultaneously. Then, the upper and lower ends of the support plate 15 are aligned with the limiting groove 14, and the support plate 15 is pushed into the limiting groove 14 to realize the splicing of the support plate 15 and the fixed plate 6. Then, align the slot 7 on the side of the fixing plate 6 with the locking rod 5, and move the fixing plate 6 downward so that the locking rod 5 passes through the slot 7, thus assembling the fixing plate 6 and the bracket 1. Then, the entire device can be placed in the trench, with the support plate 15 facing the side wall of the trench and tightly attached to the side wall of the trench to support the side wall of the trench. Push the slider 2 downward so that the slider 2 slides downward in the groove 20. The slider 2 drives the inclined rod 3 to rotate, and the inclined rod 3 drives the bottom rod 4 to rotate so that the bottom rod 4 can fit against the bottom of the trench. The inclined rod 3 supports the bracket 1 in an inclined position, and the angle between the bracket 1 and the bottom rod 4 can be adjusted according to the inclination of the side wall of the trench, thereby adjusting the inclination of the bracket 1 and the support plate 15 so that the support plate 15 adapts to the inclination of the side wall of the trench and fits against it. After adjustment, the slider 2 and the bracket 1 can be locked with bolts to achieve stable support for the trench. When the support plate 15 supports the trench, the distance sensor 17 and humidity sensor 16 on the support plate 15 are aligned with appropriate positions on the trench sidewall. The distance sensor 17 monitors the change in distance between the support plate 15 and the trench sidewall, and the humidity sensor 16's detection end contacts the soil on the trench sidewall, monitoring changes in soil moisture. All monitoring data are transmitted in real time to the controller 22 via the data transmission unit. The controller 22 has built-in preset thresholds, namely displacement threshold and humidity threshold. It receives monitoring data transmitted from the early warning monitoring module 23 and compares the monitoring data with the preset thresholds. When the monitoring data does not exceed the preset threshold, the device is in normal monitoring mode. When any monitoring data exceeds the preset threshold, the controller 22 determines it to be a collapse early warning state and immediately controls the audible and visual alarm 24 to issue an audible and visual alarm signal, reminding on-site construction personnel to take emergency evacuation and dismantle the device. During disassembly, the device can be moved slightly away from the trench sidewall first, and then the support plate 15 can be pulled out from the side. At this time, the protective net 13 continues to provide protection to prevent a sudden collapse after the device is removed, and to prevent the collapsed soil from entering the work area. After the support plate 15 is removed, the risk of collapse is eliminated, and the entire device can be moved out of the trench. The fixing plate 6 is lifted upward to disassemble the fixing plate 6 from the bracket 1, and the fixing plate 6 is driven to move closer to each other, so that the first folding rod 10 and the second folding rod 11 rotate in opposite directions to fold them, reducing the overall space occupied. Then the bolts of the fixing slider 2 are removed, and the slider 2 is driven to move upward, so that the inclined rod 3 and the bottom rod 4 are reversed and reset, so that the inclined rod 3 and the bottom rod 4 are in a vertical state and parallel to the bracket 1, reducing the overall space occupied and facilitating the transportation of the device. The contents not described in detail in this specification are existing technologies known to those skilled in the art.

[0019] In the description of this invention, unless otherwise stated, "a plurality of" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the invention 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, and therefore should not be construed as a limitation of the invention. Furthermore, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0020] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0021] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A drainage pipe network trench collapse early warning and emergency support device, comprising a support frame (1), characterized in that: The bracket (1) has a sliding groove (20) inside, and a slider (2) is slidably arranged inside the sliding groove (20). One end of the slider (2) extending out of the sliding groove (20) is hinged to a diagonal rod (3). The end of the diagonal rod (3) away from the slider (2) is hinged to a bottom rod (4). The end of the bottom rod (4) away from the diagonal rod (3) is hinged to the bracket (1). A cover a (18) is bolted to the upper end of the bracket (1). The bracket (1) has a locking rod (5) installed on its side wall, and a fixing plate (6) is attached to the side wall of the bracket (1). A slot (7) is provided on one side of the fixing plate (6), and the locking rod (5) passes through the slot (7). The fixed plate (6) has a moving groove (8) and a limiting groove (14) on opposite sides. A moving block (9) is slidably arranged inside the moving groove (8). A first folding rod (10) and a second folding rod (11) are hinged to opposite sides of the moving block (9). The middle parts of the first folding rod (10) and the second folding rod (11) are rotatably connected by a rotating shaft (12). A support plate (15) is slidably arranged inside the limiting groove (14). A cover b (19) is bolted to the opening of the moving groove (8) at the end of the fixed plate (6). A humidity sensor (16) and a distance sensor (17) are installed on the side of the support plate (15) near the trench sidewall. A protective net (13) is connected between the fixed plates (6). An installation box (21) is installed on the upper side of the fixed plate (6) at the upper position. A controller (22) and an early warning monitoring module (23) are installed inside the installation box (21). An audible and visual alarm (24) is installed on the top of the installation box (21).

2. The drainage pipe network trench collapse early warning and emergency support device according to claim 1, characterized in that: The slider (2) has an "I" shaped structure and is fixed to the bracket (1) by bolts.

3. The drainage pipe network trench collapse early warning and emergency support device according to claim 1, characterized in that: In the unfolded state, the bracket (1), the diagonal rod (3) and the bottom rod (4) form a triangular structure, and the total length of the diagonal rod (3) and the bottom rod (4) is less than the height of the bracket (1).

4. The drainage pipe network trench collapse early warning and emergency support device according to claim 1, characterized in that: The positions of the lever (5) and the slot (7) are correspondingly distributed, and the height of the lever (5) is less than the depth of the slot (7).

5. The drainage pipe network trench collapse early warning and emergency support device according to claim 1, characterized in that: The movable block (9) has a "T" shaped structure. The shape of the movable block (9) is adapted to the shape of the movable groove (8). The movable groove (8) is distributed with an open end.

6. The drainage pipe network trench collapse early warning and emergency support device according to claim 1, characterized in that: There is a gap between the first folding rod (10) and the second folding rod (11), and the first folding rod (10) and the second folding rod (11) are staggered.

7. The drainage pipe network trench collapse early warning and emergency support device according to claim 1, characterized in that: The protective net (13) is located between the first folding rod (10) and the second folding rod (11) and the support plate (15), and the support plate (15) has a side "convex" structure.

8. The drainage pipe network trench collapse early warning and emergency support device according to claim 1, characterized in that: The limiting groove (14) is distributed with open ends, and the limiting groove (14) and the moving groove (8) are not connected to each other.

9. The drainage pipe network trench collapse early warning and emergency support device according to claim 1, characterized in that: The distance sensor (17) is installed on the side of the support plate (15) facing the trench sidewall, and the distance sensor (17) is evenly distributed on the support plate (15).

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