Drainage device for bridge engineering

By introducing buffer troughs and filters into the bridge drainage system, and using switching plates and elastic elements to adjust the connection state, the problem of water overflow when the bridge drainage system is blocked due to excessive rainfall is solved, achieving efficient drainage and reducing the frequency of cleaning.

CN223458676UActive Publication Date: 2025-10-21SICHUAN RUIYUN CONSTR ENG CO LTD
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Patent Information

Application Number
CN202422919126.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-28
Publication Date
2025-10-21
Estimated Expiration
2034-11-28

AI Technical Summary

Technical Problem

Existing bridge drainage systems are prone to flooding when there is excessive rainfall or when drainage channels are blocked, making cleaning difficult.

Method used

A drainage device comprising a drainage trough, a buffer trough, and a filter screen was designed. Through the cooperation of a switching plate and an elastic element, the connection state between the drainage trough and the buffer trough is automatically adjusted according to changes in water pressure, thereby expanding the volume and filtering accumulated water to prevent water from overflowing.

Benefits of technology

It effectively solves the problem of water overflow caused by excessive rainfall or blockage of drainage channels, reduces the frequency of cleaning, and improves drainage efficiency and effectiveness.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a drainage device for bridge engineering, which comprises a base body and a switching plate, the base body is used for being mounted at the top of a bridge, the top of the base body is provided with a drainage groove and a grid-shaped groove cover, a buffer groove is formed in the base body, and the drainage groove and the buffer groove both extend along the length direction of the bridge and are communicated with each other. A filter screen is arranged between the drainage tank and the buffer tank; the switching plate is arranged in the drainage groove and connected with the base body through an elastic piece. When the elastic piece is in a natural state, the switching plate isolates the drainage groove from the buffer groove; and when the switching plate extrudes the elastic piece under the action of water pressure, one side of the switching plate can move to be in contact with the filter screen, so that the drainage groove is communicated with the buffer groove. The problem that accumulated water in the drainage groove overflows due to the situations that rainfall is too large, the drainage groove is blocked to different degrees, and a groove cover water hole is blocked can be solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to bridge drainage technical field, concretely relates to a drainage device for bridge engineering. BACKGROUND

[0002] In order to rapidly eliminate bridge waterlogging, prevent rainwater from accumulating on the bridge and seeping into the beam and affecting the durability of the bridge, the bridge is generally provided with a corresponding drainage mechanism to quickly and effectively drain the water on the bridge.

[0003] The existing drainage mechanism for the bridge is generally a combination of a drainage channel and a drainage pipe. The drainage channel is arranged along the length direction of the bridge, and a channel cover is arranged on the channel opening. The channel cover is provided with a water hole to allow the accumulated water to flow into the drainage channel through the water hole and then flow out of the drainage channel. When designing the drainage channel, the volume of the drainage channel is generally adjusted adaptively according to the local rainfall conditions to avoid the situation that the accumulated water cannot be drained in time.

[0004] However, in actual use, due to excessive rainfall, different degrees of blockage of the drainage channel, blockage of the water hole of the channel cover, etc., the accumulated water may not be drained in time, and may overflow from the water hole of the channel cover. At this time, not only the accumulated water flows onto the bridge, but also the fallen leaves, garbage and other impurities on the top of the channel cover flow onto the bridge together, causing adverse effects. If the volume of the drainage channel is increased during design, the depth of the drainage channel is likely to be too deep, making it difficult for cleaning personnel to clean the impurities and mortar in the drainage channel. SUMMARY

[0005] The utility model aims to provide a drainage device for bridge engineering, which can solve the problem of overflow of accumulated water in the drainage channel caused by excessive rainfall, different degrees of blockage of the drainage channel, blockage of the water hole of the channel cover, etc.

[0006] The utility model realizes the following technical scheme:

[0007] A drainage device for bridge engineering, comprising a base body, the base body is used for mounting on the top of the bridge, the top of the base body is provided with a drainage channel and a grating-shaped channel cover, a buffer groove is formed in the base body, the drainage channel and the buffer groove both extend along the length direction of the bridge and are connected, and a filter screen is arranged between the drainage channel and the buffer groove; a switching plate is arranged in the drainage channel and connected to the base body by an elastic member; when the elastic member is in a natural state, the switching plate separates the drainage channel and the buffer groove; when the switching plate is pressed against the elastic member under the action of water pressure, one side of the switching plate can move to contact the filter screen, so that the drainage channel and the buffer groove are connected.

[0008] Optionally, the switch plate is horizontally arranged in the drain groove and closely slides with the groove wall of the drain groove in the vertical direction, the elastic member is a spring, the elastic member is vertically arranged, the top end of the elastic member is connected with the bottom surface of the switch plate, and the bottom end is connected with the groove bottom of the drain groove; the filter screen is vertically arranged on the side wall of the bottom of the drain groove; when the elastic member is in the natural state, the arrangement height of the free side of the switch plate is higher than that of the top of the filter screen, so as to isolate the drain groove and the buffer groove; when the switch plate extrudes the elastic member under the action of water pressure and moves downward to one side to contact the filter screen, the drain groove and the buffer groove are communicated.

[0009] Optionally, the cross section of the drain groove is in the shape of a sector; the filter screen is in the shape of an arc surface matched with the drain groove, and the filter screen is arranged at the bottom of the drain groove; the switch plate is rotationally connected with the axis of the drain groove, the cross section length of the switch plate is matched with the radius of the drain groove and the radius of the filter screen; the elastic member is a torsion spring, and the elastic member is coaxially arranged at the rotationally connected position of the switch plate; when the elastic member is in the natural state, the arrangement height of the free side of the switch plate is higher than that of the top of the filter screen, so as to isolate the drain groove and the buffer groove; when the switch plate extrudes the elastic member under the action of water pressure and the free side of the switch plate rotates and moves downward to contact the filter screen, the drain groove and the buffer groove are communicated.

[0010] Optionally, when the elastic member is in the natural state, the free side of the switch plate is inclined and upturned, so that the arrangement height of the free side of the switch plate is higher than that of the rotationally connected side; the top of the base body is provided with a debris collecting groove, the debris collecting groove extends along the length direction of the bridge, the debris collecting groove is arranged beside the drain groove and is attached to the rotationally connected side of the switch plate, the arrangement height of the groove bottom of the debris collecting groove is lower than that of the rotationally connected side of the switch plate, and the debris collecting groove is higher than the side wall of the rotationally connected side of the switch plate and is communicated with the drain groove.

[0011] Optionally, the side wall of the bottom of the debris collecting groove is communicated with the bottom of the drain groove; when the free side of the switch plate rotates to the lowest position, the switch plate pushes the silt scraped from the surface of the filter screen into the debris collecting groove.

[0012] Optionally, a shape-matched collecting box is detachably inserted into the collecting groove, and the top of the collecting box is open.

[0013] Optionally, the impurity inlet is a rectangular opening, and the rotating connecting side of the switch plate is provided with a limiting plate, and the width of the limiting plate matches the width of the impurity inlet; when the limiting plate is arranged on the bottom side of the impurity inlet, the free side of the switch plate is inclined and upturned.

[0014] Optionally, the length of the impurity inlet in the vertical direction is greater than the length of the limiting plate, and the length of the limiting plate is greater than half of the thickness of the collecting box in the horizontal direction.

[0015] Optionally, the bottom of the buffer groove is communicated with a plurality of drainage pipes, the drainage pipes are communicated with the external environment, and the drainage pipes are provided with water valves.

[0016] Optionally, the filter screen is detachably connected with the base body.

[0017] Compared with the prior art, the utility model has the advantages and beneficial effects that:

[0018] The utility model provides a drainage device for bridge engineering, through setting up drainage groove and grid -like groove cover, realize the drainage effect of foundation, on this basis, through setting up buffer groove and filter screen, make buffer groove communicate with drainage groove through filter screen, thereby utilize buffer groove to further expand the volume of drainage groove, to cope with the problem of waterlogging in drainage groove caused by excessive rainfall, drainage groove is blocked to different degrees, groove cover water hole is blocked etc. BRIEF DESCRIPTION OF DRAWINGS

[0019] The accompanying drawings, which are included to provide a further understanding of the embodiments of the present application and are incorporated in and constitute a part of this application, illustrate embodiments of the present application and, together with the description, serve to explain the principles of the present application. In the drawings:

[0020] Fig. 1 FIG. 1 is a front view of a drainage device for bridge engineering according to an embodiment of the present application;

[0021] Fig. 2 FIG. 2 is a top view of a drainage device for bridge engineering according to an embodiment of the present application;

[0022] Figs. 3-7 FIG. 3 is a schematic diagram of a movement process of a drainage device for bridge engineering according to an embodiment of the present application.

[0023] Markings in the drawings and corresponding names of parts:

[0024] 10 - base body; 11 - drainage groove; 111 - groove cover; 12 - buffer groove; 121 - drainage pipe; 122 - water valve; 13 - filter screen; 14 - miscellaneous groove; 141 - miscellaneous box; 142 - partition; 143 - impurity inlet; 144 - slurry inlet; 20 - switch plate; 21 - limit plate. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the utility model is further described in detail below by combining with the embodiments and drawings, the schematic embodiment and the description thereof of the utility model are only used for explaining the utility model, and do not serve as the limitation of the utility model.

[0026] Embodiment

[0027] Please refer to Figs. 1-7 The embodiment provides a drainage device for bridge engineering, which comprises a base body 10, the base body 10 is used for being installed on the top of a bridge, a drainage groove 11 is formed in the top of the base body 10 and a grid-shaped groove cover 111 is arranged on the top of the base body 10, a buffer groove 12 is formed in the base body 10, the drainage groove 11 and the buffer groove 12 extend along the length direction of the bridge and are through, and a filter screen 13 is arranged between the drainage groove 11 and the buffer groove 12.

[0028] The drainage device for bridge engineering provided by the embodiment realizes the drainage effect of the foundation by arranging the drainage groove 11 and the grid-shaped groove cover 111; on this basis, the buffer groove 12 is arranged in communication with the drainage groove 11 through the filter screen 13, so that the volume of the drainage groove 11 is further expanded by the buffer groove 12 to cope with the problem of water overflow in the drainage groove 11 caused by excessive rainfall, different degrees of blockage of the drainage groove 11, blockage of the water hole of the groove cover 111 and the like; on this basis, the volume of the drainage groove 11 is made adaptive by arranging the switching plate 20 and the elastic member, the water pressure in the drainage groove 11 changes due to the change of the water amount accumulated in the drainage groove 11, so that the pressure borne by the switching plate 20 changes, the switching plate 20 is pressed to move by the elastic member, when the water amount accumulated in the drainage groove 11 is normal, the drainage is still only through the drainage groove 11, and the cleaning personnel only need to clean the drainage groove 11; when the water amount accumulated in the drainage groove 11 is excessive, the drainage groove 11 is blocked to different degrees, the water hole of the groove cover 111 is blocked and the like, one side of the switching plate 20 moves to contact the filter screen 13, so that the airtightness between the drainage groove 11 and the buffer groove 12 is broken, the accumulated water flows into the buffer groove 12 through the filter screen 13, the filter screen 13 can further filter the accumulated water flowing into the buffer groove 12, so that the buffer groove 12 does not need to be cleaned for a long time; through the cooperation of the above-mentioned features, the drainage device for bridge engineering can effectively solve the problem of water overflow in the drainage groove 11 caused by excessive rainfall, different degrees of blockage of the drainage groove 11, blockage of the water hole of the groove cover 111 and the like.

[0029] Optionally, in order to provide an implementation manner, the switching plate 20 is horizontally arranged in the drainage groove 11 and is in close sliding fit with the groove wall of the drainage groove 11 in the vertical direction, the elastic member is a spring, the elastic member is vertically arranged, the top end of the elastic member is connected with the bottom surface of the switching plate 20, and the bottom end is connected with the groove bottom of the drainage groove 11; the filter screen 13 is vertically arranged on the side wall of the bottom of the drainage groove 11; when the elastic member is in a natural state, the arrangement height of the switching plate 20 is higher than the arrangement height of the top of the filter screen 13, so as to isolate the drainage groove 11 and the buffer groove 12; when the switching plate 20 is pressed to move to one side to contact the filter screen 13 under the action of water pressure, the drainage groove 11 and the buffer groove 12 are in communication.

[0030] Optionally, to provide a second implementation, the cross section of the drain groove 11 is in the shape of a sector; the filter screen 13 is in the shape of an arc surface matching the drain groove 11, and is arranged at the bottom of the drain groove 11; the switching plate 20 is rotationally connected to the axis of the drain groove 11, and the cross section length of the switching plate 20 matches the radius of the drain groove 11 and the radius of the filter screen 13; the elastic member is a torsion spring, which is coaxially arranged at the rotational connection of the switching plate 20; when the elastic member is in a natural state, the arrangement height of the free side of the switching plate 20 is higher than the arrangement height of the top of the filter screen 13, so as to isolate the drain groove 11 and the buffer groove 12; when the switching plate 20 is pressed against the elastic member under the action of water pressure, and the free side of the switching plate 20 is rotated downward to contact the filter screen 13, the drain groove 11 and the buffer groove 12 are communicated.

[0031] To avoid the deposition of impurities on the top surface of the switching plate 20, when the elastic member is in a natural state, the free side of the switching plate 20 is inclined upward, so that the arrangement height of the free side of the switching plate 20 is higher than the arrangement height of the rotational connection side; the top of the base body 10 is provided with a collection groove 14 extending along the length direction of the bridge, which is arranged beside the drain groove 11 and is attached to the rotational connection side of the switching plate 20; the arrangement height of the groove bottom of the collection groove 14 is lower than the arrangement height of the rotational connection side of the switching plate 20, and the collection groove 14 is higher than the side wall of the rotational connection side of the switching plate 20, and is communicated with the drain groove 11.

[0032] Through the above arrangement, the impurities falling on the top surface of the switching plate 20 slide or roll into the collection groove 14 along the inclined switching plate 20, so as to ensure the cleanliness of the top surface of the switching plate 20 and maintain the weight of the switching plate 20 itself.

[0033] To clean the filter screen 13 and collect the scraped ash, the side wall of the bottom of the collection groove 14 is communicated with the bottom of the drain groove 11; when the free side of the switching plate 20 is rotated to the lowest position, the switching plate 20 pushes the ash scraped from the surface of the filter screen 13 into the collection groove 14.

[0034] It should be noted that the free side of the switching plate 20 can be attached with a soft scraping strip or a soft brush to improve the cleaning effect.

[0035] In order to facilitate the cleaning of the collecting groove 14, a matching collecting box 141 is detachably inserted into the collecting groove 14, and the top of the collecting box 141 is open; a partition 142 is arranged in the collecting box 141 to separate the collecting box 141 into an upper impurity area and a lower mud area; an impurity inlet 143 is formed in the upper side wall of the collecting box 141, and the bottom of the impurity inlet 143 is arranged at a height matching the arrangement height of the rotating connection side of the switching plate 20; a mud inlet 144 is formed in the lower side wall of the collecting box 141, and the bottom of the mud inlet 144 is arranged at a height matching the arrangement height of the bottom of the drainage groove 11.

[0036] Through the above arrangement, the collecting box 141 can be taken out periodically to clean it outside the drainage groove 11, and after cleaning, the collecting box 141 can be put back.

[0037] In order to limit the initial position of the switching plate 20, the impurity inlet 143 is a rectangular opening; the rotating connection side of the switching plate 20 is provided with a limiting plate 21, and the width of the limiting plate 21 matches the width of the impurity inlet 143; when the limiting plate 21 is arranged on the bottom edge of the impurity inlet 143, the free side of the switching plate 20 is tilted upward.

[0038] In order to avoid the impurities falling into the collecting box 141 from rising and attacking the switching plate 20 or the drainage groove 11, the length of the impurity inlet 143 in the vertical direction is greater than the length of the limiting plate 21, and the length of the limiting plate 21 is greater than half the thickness of the collecting box 141 in the horizontal direction.

[0039] Through the above arrangement, the limiting plate 21 is used to shield the collecting box 141 to some extent to avoid the impurities in the collecting box 141 from rising and attacking the switching plate 20 or the drainage groove 11.

[0040] In order to further cope with the situation that the buffer groove 12 cannot effectively drain water, a plurality of drainage pipes 121 are communicated with the groove bottom of the buffer groove 12, and the drainage pipes 121 are communicated with the external environment; the drainage pipes are provided with water valves 122.

[0041] Through the above arrangement, when the water volume is large enough to exceed the capacity of the drainage groove 11 and the buffer groove 12, the water valves 122 are opened, and the accumulated water in the buffer groove 12 can be quickly drained.

[0042] In order to facilitate the cleaning of the filter screen 13, the filter screen 13 is detachably connected with the base body 10.

[0043] The above specific embodiments explain the purpose, technical scheme and beneficial effects of the present application in further detail. It should be understood that the above description is only a specific embodiment of the present application and is not intended to limit the scope of protection of the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the scope of protection of the present application.

Claims

1. A drainage device for bridge engineering, characterized by, The utility model relates to a bridge drainage device, including: The base (10) is used for installing on the top of bridge, the top of base (10) is opened the drainage groove (11) and is equipped with the grid -like groove cover (111), the buffer groove (12) is opened in the base (10), the drainage groove (11) and the buffer groove (12) all extend along the length direction of bridge and are through, and the filter screen (13) is arranged between the drainage groove (11) and the buffer groove (12); The switching plate (20) is arranged in the drainage groove (11), and is connected with the base (10) through the elastic element; When the elastic element is in the natural state, the switching plate (20) isolates the drainage groove (11) and the buffer groove (12); When the switching plate (20) extrudes the elastic element under the action of water pressure, one side of the switching plate (20) can be moved to contact the filter screen (13), so that the drainage groove (11) and the buffer groove (12) are communicated.

2. The drainage device for bridge engineering according to claim 1, characterized by, The switching plate (20) is horizontally arranged in the drainage groove (11), and is closely slid with the groove wall of the drainage groove (11) in the vertical direction, the elastic element is a spring, the elastic element is vertically arranged, the top end of the elastic element is connected with the bottom surface of the switching plate (20), and the bottom end is connected with the groove bottom of the drainage groove (11); The filter screen (13) is vertically arranged on the side wall of the bottom of the drainage groove (11); When the elastic element is in the natural state, the setting height of the switching plate (20) is higher than the setting height of the top of the filter screen (13), so as to isolate the drainage groove (11) and the buffer groove (12); When the switching plate (20) extrudes the elastic element under the action of water pressure, the switching plate (20) is moved to one side to contact the filter screen (13), so that the drainage groove (11) and the buffer groove (12) are communicated.

3. The drainage device for bridge engineering according to claim 1, characterized by, The cross section of the drainage groove (11) is in the shape of a sector; The filter screen (13) is an arc surface matched with the drainage groove (11), and is arranged at the bottom of the drainage groove (11); The switching plate (20) is rotationally connected to the axis of the drainage groove (11), and the cross section length of the switching plate (20) is matched with the radius of the drainage groove (11) and the radius of the filter screen (13); The elastic element is a torsion spring, and is coaxially arranged at the rotationally connected position of the switching plate (20); When the elastic element is in the natural state, the setting height of the free side of the switching plate (20) is higher than the setting height of the top of the filter screen (13), so as to isolate the drainage groove (11) and the buffer groove (12); When the switching plate (20) extrudes the elastic element under the action of water pressure, the free side of the switching plate (20) is rotationally moved to contact the filter screen (13), so that the drainage groove (11) and the buffer groove (12) are communicated.

4. The drainage device for bridge engineering according to claim 3, characterized by When the elastic element is in the natural state, the free side of the switching plate (20) is inclined and upturned, so that the setting height of the free side of the switching plate (20) is higher than the setting height of the rotationally connected side; When the elastic element is in the natural state, the switching plate (20) is inclined and upturned, so that the setting height of the free side of the switching plate (20) is higher than the setting height of the rotationally connected side; The top of the base (10) is provided with a sundry groove (14) extending along the length direction of the bridge, which is arranged beside the drainage groove (11) and attached to the rotating connection side of the switching plate (20), the setting height of the groove bottom of the sundry groove (14) is lower than that of the rotating connection side of the switching plate (20), and the side wall of the rotating connection side of the switching plate (20) is communicated with the drainage groove (11).

5. The drainage device for bridge engineering according to claim 4, characterized by The side wall of the bottom of the sundry groove (14) is communicated with the bottom of the drainage groove (11); When the free side of the switching plate (20) rotates to the lowest position, the switching plate (20) pushes the dirt scraped from the surface of the filter screen (13) into the sundry groove (14).

6. The drainage device for bridge engineering according to claim 5, characterized by A sundry box (141) matched in shape is detachably inserted into the sundry groove (14), and the top of the sundry box (141) is provided with an open top; A partition plate (142) is arranged in the sundry box (141) to divide the sundry box (141) into an impurity area at the upper part and a slurry area at the lower part; An impurity inlet (143) is arranged in the upper side wall of the sundry box (141), and the setting height of the bottom of the impurity inlet (143) matches that of the rotating connection side of the switching plate (20); A slurry inlet (144) is arranged in the lower side wall of the sundry box (141), and the setting height of the bottom of the slurry inlet (144) matches that of the bottom of the drainage groove (11).

7. The drain device for bridge engineering according to Claim 6, characterized by The impurity inlet (143) is a rectangular opening; A limiting plate (21) is arranged on the rotating connection side of the switching plate (20), and the width of the limiting plate (21) matches that of the impurity inlet (143); When the limiting plate (21) is arranged on the bottom edge of the impurity inlet (143), the free side of the switching plate (20) is tilted upward.

8. The drain device for bridge engineering according to Claim 7, characterized by The length of the impurity inlet (143) in the vertical direction is greater than the length of the limiting plate (21), and the length of the limiting plate (21) is greater than half the thickness of the sundry box (141) in the horizontal direction.

9. The drain device for bridge engineering according to Claim 1, characterized by The groove bottom of the buffer groove (12) is communicated with a plurality of drainage pipes (121), and the drainage pipes (121) are communicated with the external environment. The drainage pipes are provided with water valves (122).

10. The drain device for bridge engineering according to Claim 1, characterized by The filter screen (13) is detachably connected with the base (10).