A municipal tunnel drainage device

Abstract

This invention discloses a municipal tunnel drainage device, relating to the field of tunnel technology. It includes a drainage channel with a drainage cover installed at its inlet. The drainage cover has an installation groove, inside which is installed an installation component. The installation component has four sealing plates, each with a drainage outlet. A support plate is fixedly installed inside the drainage channel, and an adjustment component is installed on the support plate to adjust the drainage volume of the drainage cover. This invention, through the combined use of the installation and adjustment components, can automatically adjust the drainage volume of the drainage cover when there is excessive rainwater, increasing drainage volume while effectively preventing blockage of the drainage cover. Furthermore, by utilizing centrifugal force and a rotation mechanism, this drainage device can discharge rainwater more quickly and efficiently, reducing water accumulation problems.

Description

Technical Field

[0001] This invention relates to the field of tunnel drainage technology, specifically to a municipal tunnel drainage device. Background Technology

[0002] As a vital component of urban transportation, the reliability of the drainage system in municipal tunnels directly impacts traffic safety. The enclosed space and relatively low-lying terrain of tunnels make them prone to accumulating rainwater, groundwater, and wastewater from vehicle leaks. Inadequate drainage can lead to slippery tunnel surfaces, reducing tire friction, increasing braking distance, and potentially causing traffic accidents. Furthermore, accumulated water can erode the tunnel structure, damage electrical equipment, and shorten the tunnel's lifespan.

[0003] In existing technologies, municipal tunnel drainage systems mostly use drainage covers with fixed orifice diameters in conjunction with pipe drainage, resulting in a fixed drainage capacity. During extreme weather events such as heavy rain, the fixed drainage outlets cannot quickly discharge large amounts of rainwater, easily causing water accumulation inside the tunnel. Some systems require manual opening of the drainage covers to increase drainage volume, but accumulated water inside the tunnel can obstruct the drainage outlets, and debris buildup is time-consuming to clean, leading to inefficiency and safety hazards for personnel. Furthermore, traditional drainage systems lack effective anti-clogging mechanisms, allowing debris to easily block drainage channels, further reducing drainage efficiency. Summary of the Invention

[0004] To address the shortcomings of existing technologies, this invention provides a municipal tunnel drainage device that solves the problems mentioned in the background section.

[0005] To achieve the above objectives, the present invention provides the following technical solution: A municipal tunnel drainage device includes a pre-set drainage channel inside the tunnel. A drainage cover is installed at the entrance of the drainage channel. An installation groove is provided on the drainage cover. An installation component is provided inside the installation groove. Four sealing plates are provided on the installation component. Drainage outlets are provided on the sealing plates. A support plate is fixedly installed inside the drainage channel, and an adjustment component is provided on the support plate to adjust the drainage volume of the drainage cover.

[0006] Preferably, the adjustment assembly includes a mounting cylinder fixedly mounted on a support plate. The mounting cylinder has a sliding groove inside, and a cross rod is slidably mounted inside the sliding groove. A fixing rod is fixedly mounted on the cross rod, a floating pad is fixedly mounted at the bottom end of the fixing rod, and a mounting block is fixedly mounted at the top end of the fixing rod.

[0007] Preferably, the mounting block is provided with a rotating component, a circular block is fixedly mounted on the rotating component, a plurality of positioning rods are fixedly mounted on the side end face of the circular block, a grid plate is fixedly mounted between the plurality of positioning rods, and the combined shape of the plurality of positioning rods and the grid plate is a frustum shape.

[0008] Preferably, the bottom of the mounting cylinder is provided with a drainage hole, the bottom end of the fixing rod passes through the cross rod and extends to the bottom of the cross rod, and the ends of the four sealing plates are provided with inclined surfaces, and the four sealing plates are in contact with the positioning rod and the surface of the grid plate through the inclined surfaces.

[0009] Preferably, the rotating assembly includes a bearing fixedly mounted on the mounting block, a connecting rod fixedly mounted on the bearing, the top end of the connecting rod fixedly mounted on a circular block, a positioning ring fixedly mounted on the bottom end of the positioning rod, an external thread provided on the outer side of the positioning ring, a stabilizing ring fixedly mounted on the lower end face of the drainage cover, and an internal thread provided on the inner side of the stabilizing ring for use with the external thread.

[0010] Preferably, the mounting assembly includes a rotating groove formed inside the mounting slot, a rotating shaft is rotatably mounted inside the rotating groove, a mounting ring is fixedly mounted on the rotating shaft, and a torsion spring is fixedly connected to the side end face of the mounting ring.

[0011] Preferably, the end of the torsion spring away from the mounting ring is fixedly connected to the inside of the rotating groove, the position of the torsion spring is on the outside of the rotating shaft, and the end of the rotating shaft away from the rotating groove is fixedly connected to the sealing plate.

[0012] Preferably, a symmetrically arranged crossbar is fixedly installed on the side end face of the mounting block, a first arc-shaped plate is fixedly installed on the end of the crossbar away from the mounting block, and a symmetrically arranged second arc-shaped plate is fixedly installed on the top end of the mounting cylinder. A complete guide plate is formed by the side contact of the first arc-shaped plate and the second arc-shaped plate.

[0013] Preferably, a through groove is provided on the upper end face of the support plate and on the outside of the mounting cylinder, the width of the support plate is the same as the diameter of the mounting cylinder, and a filter screen is fixedly installed inside the drain outlet.

[0014] This invention provides a municipal tunnel drainage device. Compared with the prior art, it has the following advantages: 1. In this invention, rainwater from the road surface enters the drainage channel through the drainage holes on the sealing plate. The rainwater in the drainage channel is drained through the first and second arc-shaped plates and enters the interior of the mounting cylinder. When there is too much rainwater in the mounting cylinder, the floating pad inside the mounting cylinder will float up. The floating pad will raise the positioning rod on the circular block through the rotating component on the fixed rod. The four sealing plates will unfold outward through the rotation shaft and the positioning rod. The positioning rod and the mesh plate on the positioning rod will replace the drainage holes on the sealing plate. The positioning rod and the mesh plate will increase the drainage volume of the drainage holes and effectively improve the drainage effect of the road. 2. In this invention, when the circular block is raised, the positioning rod on the circular block will drive the positioning ring to move upward. By utilizing the external thread on the positioning ring and the internal thread on the stabilizing ring, and through the action of the bearing on the mounting block, the positioning rod on the circular block and the grid plate are in a rotating and raised state. The centrifugal force generated by the positioning rod and the grid plate not only makes it easy to lift the four sealing plates, but also makes it easier for rainwater on the road surface to be discharged into the sewer more quickly. 3. In this invention, when the fixing rod is raised, the fixing rod will drive the first arc plate to rise through two crossbars. When the first arc plate is raised, the rainwater overflowing from the installation cylinder will be directly discharged into the sewer channel, ensuring the normal drainage function of the sewer channel. 4. This invention, through the combined use of the installation component and the adjustment component, can automatically adjust the drainage volume of the drainage cover when there is excessive rainwater. While increasing the drainage volume, it effectively avoids clogging of the drainage cover. Furthermore, by utilizing centrifugal force and a rotation mechanism, the drainage device can discharge rainwater more quickly and efficiently, reducing water accumulation problems. 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 support plate in this invention; Figure 3 This is a schematic diagram of the internal structure of the mounting cylinder in this invention; Figure 4 This is a schematic diagram of the structure of the adjustment component in this invention; Figure 5 This is a schematic diagram of the structure of ring plate one and ring plate two in this invention; Figure 6 This is a cross-sectional view of the stabilizing ring in this invention; Figure 7 This is a schematic diagram of the unfolded structure of the sealing plate in this invention; Figure 8 This is a cross-sectional view of the drainage cover plate in this invention.

[0016] In the diagram: 1. Drainage channel; 2. Drainage cover; 3. Mounting groove; 4. Sealing plate; 5. Drain outlet; 6. Support plate; 7. Mounting cylinder; 8. Sliding groove; 9. Cross rod; 10. Fixing rod; 11. Float; 12. Mounting block; 13. Circular block; 14. Positioning rod; 15. Mesh plate; 16. Drain hole; 17. Inclined surface; 18. Bearing; 19. Connecting rod; 20. Positioning ring; 21. External thread; 22. Stabilizing ring; 23. Internal thread; 24. Rotating groove; 25. Rotating shaft; 26. Mounting ring; 27. Torsion spring; 28. Crossbar; 29. ​​First arc plate; 30. Second arc plate; 31. Through groove; 32. Filter screen. 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] Example 1 Please see Figure 1-8 The present invention is a municipal tunnel drainage device, including a pre-set drainage channel 1 inside the tunnel, a drainage cover 2 installed at the entrance of the drainage channel 1, an installation groove 3 opened on the drainage cover 2, an installation component is set inside the installation groove 3, four sealing plates 4 are set on the installation component, a drainage outlet 5 is set on the sealing plate 4, and a filter screen 32 is fixedly installed inside the drainage outlet 5. The filter screen 32 is used to prevent debris in the rainwater on the road from entering the drainage channel 1 through the drainage outlet 5. A support plate 6 is fixedly installed inside the drainage channel 1. An adjustment component is provided on the support plate 6 to adjust the drainage volume of the drainage cover 2. The adjustment component includes a mounting cylinder 7 fixedly installed on the support plate 6. A sliding groove 8 is provided inside the mounting cylinder 7, and a cross rod 9 is slidably installed inside the sliding groove 8. A fixing rod 10 is fixedly installed on the cross rod 9. A float 11, made of EVA foam material, is fixedly installed at the bottom end of the fixing rod 10. An mounting block 12 is fixedly installed at the top end of the fixing rod 10. A rotating component is provided on the mounting block 12, and a circular block 13 is fixedly installed on the rotating component. Multiple positioning rods 14 are fixedly installed on the side end face of the circular block 13. A grid plate 15 is fixedly installed between the multiple positioning rods 14. The multiple positioning rods 14 and the grid plate 15... The assembly is shaped like a frustum. Compared to a horizontally arranged filter, this design greatly reduces the risk of rainwater debris clogging the mesh plate 15. The bottom of the mounting cylinder 7 has a drainage hole 16. The bottom end of the fixing rod 10 passes through the cross rod 9 and extends below the cross rod 9. The ends of the four sealing plates 4 are provided with inclined surfaces 17. The four sealing plates 4 are in contact with the positioning rod 14 and the surface of the mesh plate 15 through the inclined surfaces 17. When the cross rod 9 slides inside the sliding groove 8, the floating pad 11 and the fixing rod 10 will move in the vertical direction. The rainwater in the mounting cylinder 7 can be slowly drained through the drainage hole 16. However, the amount of rainwater drained through the drainage hole 16 is less than the amount of rainwater entering the mounting cylinder 7, ensuring that the rainwater in the mounting cylinder 7 can ensure the floating pad 11 rises.

[0019] Example 2 Please see Figure 1-8 The present invention is a municipal tunnel drainage device, including a pre-set drainage channel 1 inside the tunnel, a drainage cover 2 installed at the entrance of the drainage channel 1, an installation groove 3 opened on the drainage cover 2, an installation component is set inside the installation groove 3, four sealing plates 4 are set on the installation component, a drainage outlet 5 is set on the sealing plate 4, and a filter screen 32 is fixedly installed inside the drainage outlet 5. The filter screen 32 is used to prevent debris in the rainwater on the road from entering the drainage channel 1 through the drainage outlet 5. A support plate 6 is fixedly installed inside the drainage channel 1. An adjustment component is provided on the support plate 6 to adjust the drainage volume of the drainage cover 2. The adjustment component includes a mounting cylinder 7 fixedly installed on the support plate 6. A sliding groove 8 is provided inside the mounting cylinder 7, and a cross rod 9 is slidably installed inside the sliding groove 8. A fixing rod 10 is fixedly installed on the cross rod 9. A float 11, made of EVA foam material, is fixedly installed at the bottom end of the fixing rod 10. An mounting block 12 is fixedly installed at the top end of the fixing rod 10. A rotating component is provided on the mounting block 12, and a circular block 13 is fixedly installed on the rotating component. Multiple positioning rods 14 are fixedly installed on the side end face of the circular block 13. A grid plate 15 is fixedly installed between the multiple positioning rods 14. The multiple positioning rods 14 and the grid plate 15... The assembly is shaped like a frustum. Compared with a horizontally arranged filter screen, this design greatly avoids debris in the rainwater clogging the mesh plate 15. The bottom of the mounting cylinder 7 has a drainage hole 16. The bottom end of the fixing rod 10 passes through the cross rod 9 and extends to the bottom of the cross rod 9. The ends of the four sealing plates 4 are all provided with inclined surfaces 17. The four sealing plates 4 are in contact with the positioning rod 14 and the surface of the mesh plate 15 through the inclined surfaces 17. When the cross rod 9 slides inside the sliding groove 8, the floating pad 11 and the fixing rod 10 will move in the vertical direction. The rainwater in the mounting cylinder 7 can be slowly discharged through the drainage hole 16. However, the amount of rainwater discharged through the drainage hole 16 is less than the amount of rainwater entering the mounting cylinder 7, ensuring that the rainwater in the mounting cylinder 7 can ensure the rise of the floating pad 11. The mounting components include a rotating groove 24 formed inside the mounting groove 3. A rotating shaft 25 is rotatably mounted inside the rotating groove 24. A mounting ring 26 is fixedly mounted on the rotating shaft 25. A torsion spring 27 is fixedly connected to the side end face of the mounting ring 26. The end of the torsion spring 27 away from the mounting ring 26 is fixedly connected to the inside of the rotating groove 24. The position of the torsion spring 27 is outside the rotating shaft 25. The end of the rotating shaft 25 away from the rotating groove 24 is fixedly connected to the sealing plate 4. Since the road level of the drainage channel 1 is lower than that of the normal road, and the flow of rainwater will lead too much impurity to the location of the drainage channel 1, the raised positioning rod 14 and the grid plate 15 can serve as a warning.

[0020] In this paper, rainwater on the road surface enters the drainage channel 1 through the drainage hole 16 on the sealing plate 4. The rainwater in the drainage channel 1 will be drained through the first arc plate 29 and the second arc plate 30 and enter the interior of the mounting cylinder 7. When there is too much rainwater in the mounting cylinder 7, the floating pad 11 in the mounting cylinder 7 will float up with the rainwater. The floating pad 11 will raise the positioning rod 14 on the circular block 13 through the rotating component on the fixing rod 10. The four sealing plates 4 will be pushed outward by the rotating shaft 25 and the positioning rod 14. The positioning rod 14 and the mesh plate 15 on the positioning rod 14 will replace the drainage port 5 on the sealing plate 4. The drainage volume of the drainage hole 16 will be increased by the positioning rod 14 and the mesh plate 15.

[0021] The rotating assembly includes a bearing 18 fixedly mounted on the mounting block 12, a connecting rod 19 fixedly mounted on the bearing 18, the top end of the connecting rod 19 fixedly mounted on the circular block 13, a positioning ring 20 fixedly mounted on the bottom end of the positioning rod 14, an external thread 21 provided on the outer side of the positioning ring 20, a stabilizing ring 22 fixedly mounted on the lower end face of the drainage cover 2, and an internal thread 23 provided on the inner side of the stabilizing ring 22 for use with the external thread 21. The thread groove between the external thread 21 and the internal thread 23 is relatively large to prevent impurities in the rainwater from affecting the fit between the internal thread 23 and the external thread 21.

[0022] In this article, when the circular block 13 is raised, the positioning rod 14 on the circular block 13 will drive the positioning ring 20 to move upward. By utilizing the external thread 21 on the positioning ring 20 and the internal thread 23 on the stabilizing ring 22, and through the action of the bearing 18 on the mounting block 12, the positioning rod 14 on the circular block 13 and the grid plate 15 are in a state of rotation and lifting. The centrifugal force generated by the positioning rod 14 and the grid plate 15 not only makes it easy to lift the four sealing plates 4, but also makes it easier for rainwater on the road surface to be discharged into the sewer channel 1 more quickly.

[0023] A symmetrically arranged crossbar 28 is fixedly installed on the side end face of the mounting block 12. A first arc-shaped plate 29 is fixedly installed on the end of the crossbar 28 away from the mounting block 12. A symmetrically arranged second arc-shaped plate 30 is fixedly installed on the top of the mounting cylinder 7. A complete guide plate is formed by the side contact of the first arc-shaped plate 29 and the second arc-shaped plate 30. A through groove 31 is opened on the upper end face of the support plate 6 and on the outside of the mounting cylinder 7. The width of the support plate 6 is the same as the diameter of the mounting cylinder 7. When the float 11 is not raised, the rainwater entering the drain channel 1 will be discharged into the mounting cylinder 7 through the guide plate, so that the float 11 in the mounting cylinder 7 can be raised by the buoyancy of the water in a short time.

[0024] In this article, when the fixing rod 10 is raised, the fixing rod 10 will drive the first arc plate 29 to rise through the two crossbars 28. When the first arc plate 29 is raised, the rainwater overflowing from the mounting cylinder 7 will be directly discharged into the drain channel 1 to ensure the normal drainage function of the drain channel 1.

[0025] Working principle: In use, rainwater on the road surface enters the drainage channel 1 through the drainage hole 16 on the sealing plate 4. The rainwater in the drainage channel 1 will be drained through the first arc plate 29 and the second arc plate 30 and enter the interior of the mounting cylinder 7. When there is too much rainwater in the mounting cylinder 7, the floating pad 11 in the mounting cylinder 7 will float up with the rainwater. The floating pad 11 will lift the positioning rod 14 on the circular block 13 through the rotating component on the fixed rod 10. The four sealing plates 4 will be pushed outward by the rotating shaft 25 and the positioning rod 14. The positioning rod 14 and the mesh plate 15 on the positioning rod 14 will replace the drainage port 5 on the sealing plate 4. As the circular block 13 rises, the positioning rod 14 on the circular block 13 will drive the positioning ring 20 to move upward. The external thread 21 on the positioning ring 20 and the internal thread 23 on the stabilizing ring 22 will cooperate. With the action of the bearing 18 on the mounting block 12, the positioning rod 14 on the circular block 13 and the grid plate 15 will be in a rotating and rising state. The centrifugal force generated by the positioning rod 14 and the grid plate 15 will not only make it easier to lift the four sealing plates 4, but also make it easier for rainwater on the road surface to be discharged into the sewer channel 1 more quickly. When the fixing rod 10 is raised, the fixing rod 10 will drive the first arc plate 29 to rise through the two crossbars 28. When the first arc plate 29 is raised, the rainwater overflowing from the mounting cylinder 7 will be directly discharged into the drain channel 1 to ensure the normal drainage function of the drain channel 1. When the rainwater on the road surface is light, the rainwater inside the mounting cylinder 7 will be slowly discharged through the drain hole 16. The floating pad 11 inside the mounting cylinder 7 will slowly descend as the rainwater is discharged. The floating pad 11 will restore the raised circular block 13 and the first arc plate 29 to their original positions through the fixing rod 10. The sealing plate 4, which is lifted by the positioning rod 14, will be restored to its original position by the torsion force of the torsion spring 27. The rainwater on the road surface will be drained normally through the drain port 5 on the sealing plate 4.

[0026] When the positioning rod 14 returns to the original state of the mesh plate 15, the debris between the mesh plate 15 and the sealing plate 4 will enter the interior of the installation cylinder 7 through the limit of the guide plate. This debris will not enter the bottom of the drain channel 1. The debris in the installation cylinder 7 can be cleaned by personnel.

[0027] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, 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 process, method, article, or apparatus.

[0028] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention.

Claims

1. A municipal tunnel drainage device, comprising a pre-installed drainage channel (1) inside the tunnel, characterized in that: A drain cover (2) is installed at the entrance of the drain channel (1). An installation groove (3) is provided on the drain cover (2). An installation component is provided inside the installation groove (3). Four sealing plates (4) are provided on the installation component. A drain outlet (5) is provided on the sealing plate (4). The drain channel (1) is fixedly installed with a support plate (6), and the support plate (6) is provided with an adjustment component, which adjusts the drainage volume of the drain cover (2).

2. A municipal tunnel drainage device according to claim 1, characterized in that: The adjustment assembly includes a mounting cylinder (7) fixedly mounted on a support plate (6). The mounting cylinder (7) has a sliding groove (8) inside. A cross rod (9) is slidably mounted inside the sliding groove (8). A fixing rod (10) is fixedly mounted on the cross rod (9). A floating pad (11) is fixedly mounted at the bottom end of the fixing rod (10). A mounting block (12) is fixedly mounted at the top end of the fixing rod (10).

3. A municipal tunnel drainage device according to claim 2, characterized in that: The mounting block (12) is provided with a rotating component, and a circular block (13) is fixedly installed on the rotating component. Multiple positioning rods (14) are fixedly installed on the side end face of the circular block (13). A grid plate (15) is fixedly installed between the multiple positioning rods (14). The combined shape of the multiple positioning rods (14) and the grid plate (15) is a frustum.

4. A municipal tunnel drainage device according to claim 3, characterized in that: The bottom of the mounting cylinder (7) is provided with a drainage hole (16). The bottom end of the fixing rod (10) passes through the cross rod (9) and extends to the bottom of the cross rod (9). The ends of the four sealing plates (4) are provided with inclined surfaces (17). The four sealing plates (4) are in contact with the surfaces of the positioning rod (14) and the grid plate (15) through the inclined surfaces (17).

5. A municipal tunnel drainage device according to claim 3, characterized in that: The rotating assembly includes a bearing (18) fixedly mounted on the mounting block (12), a connecting rod (19) fixedly mounted on the bearing (18), the top end of the connecting rod (19) fixedly mounted on the circular block (13), a positioning ring (20) fixedly mounted on the bottom end of the positioning rod (14), an external thread (21) provided on the outer side of the positioning ring (20), a stabilizing ring (22) fixedly mounted on the lower end face of the drainage cover (2), and an internal thread (23) provided on the inner side of the stabilizing ring (22) for use with the external thread (21).

6. A municipal tunnel drainage device according to claim 1, characterized in that: The mounting assembly includes a rotating groove (24) formed inside the mounting groove (3), a rotating shaft (25) is rotatably mounted inside the rotating groove (24), a mounting ring (26) is fixedly mounted on the rotating shaft (25), and a torsion spring (27) is fixedly connected to the side end face of the mounting ring (26).

7. A municipal tunnel drainage device according to claim 6, characterized in that: The end of the torsion spring (27) away from the mounting ring (26) is fixedly connected to the inside of the rotating groove (24). The position of the torsion spring (27) is on the outside of the rotating shaft (25). The end of the rotating shaft (25) away from the rotating groove (24) is fixedly connected to the sealing plate (4).

8. A municipal tunnel drainage device according to claim 2, characterized in that: A symmetrically arranged crossbar (28) is fixedly installed on the side end face of the mounting block (12). A first arc plate (29) is fixedly installed on the end of the crossbar (28) away from the mounting block (12). A symmetrically arranged second arc plate (30) is fixedly installed on the top end of the mounting cylinder (7). A complete guide plate is formed by the side contact between the first arc plate (29) and the second arc plate (30).

9. A municipal tunnel drainage device according to claim 2, characterized in that: A through groove (31) is provided on the upper end surface of the bracket plate (6) and outside the mounting cylinder (7). The width of the bracket plate (6) is the same as the diameter of the mounting cylinder (7). A filter screen (32) is fixedly installed inside the drain outlet (5).

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