Novel expressway bridge drain hole structure
By designing a diversion device and anti-sucking plate in the drainage hole of highway bridges, the problems of poor drainage and blockage of drainage holes in the rainy season are solved, and drainage efficiency is improved and driving safety is guaranteed.
Patent Information
- Application Number
- CN202421696897.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-17
- Publication Date
- 2025-05-23
- Estimated Expiration
- 2034-07-17
AI Technical Summary
Expressway bridges face poor drainage during rainy season, and the drainage holes are easily blocked due to excessive suction under the bridge, which affects the safety of drainage in rainy days.
A new type of highway bridge drainage hole structure is designed, including the drainage pipe body, the flow guide device and the anti-suction plate. The flow guide device forms a water guide structure through built-in spiral blades, which uses water flow energy to drive the spiral blades to rotate and improve drainage efficiency. The anti-suction panel is automatically opened or blocked through the counterweight part to prevent garbage from adsorbing.
The drainage efficiency has been improved, prevented from being blocked from drainage holes, and ensured driving safety in the rainy season.
Smart Images
Figure CN222893492U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of drainage, in particular to a novel drainage hole structure for a highway bridge. Background Art
[0002] Highway bridges are usually equipped with multiple drainage holes for drainage. However, highway bridges often face the problem of poor drainage of the bridge deck due to short-term heavy rainfall during the rainy season. In addition, in clear weather, the drainage holes are often clogged due to the strong suction under the bridge, which in turn affects the drainage on rainy days. The accumulation of water on highway bridges not only affects driving safety, but may also cause traffic accidents. Utility Model Content
[0003] Therefore, in view of the above problems, the utility model proposes a novel highway bridge drain hole structure which improves drainage efficiency, reduces drain hole blockage, ensures smooth drainage and ensures safe driving in rainy season.
[0004] To solve this technical problem, the utility model adopts the following solution: a new type of highway bridge drainage hole structure, including a drainage pipe body, a guide device and an anti-suction sealing plate, a support frame is provided in the middle of the drainage pipe body, the guide device is rotatably embedded in the upper part of the drainage pipe body, the guide device includes a support column and at least one group of spiral leaves from top to bottom arranged on the outer peripheral side of the support column, the support column is rotatably connected to the support frame, the anti-suction sealing plate includes a sealing plate, a connecting part and a counterweight part, one side of the sealing plate is connected to the counterweight part via the connecting part, the connecting part of the anti-suction sealing plate is hinged to one side of the bottom of the drainage pipe body and the sealing plate can block the water outlet at the bottom of the drainage pipe body or open the water outlet for drainage.
[0005] As a further improvement, the middle portion of the support frame extends upward to form a rotating shaft, the support column is provided with a cavity adapted to the rotating shaft, and the support column is rotatably sleeved on the rotating shaft through the cavity and is rotatably connected to the support frame.
[0006] As a further improvement, the diversion device further comprises a positioning ring with a T-shaped cross-section, the outer diameter of the positioning ring is adapted to the inner diameter of the drain pipe body, and the top of the positioning ring is fixedly connected to the top of the support column.
[0007] As a further improvement, two groups of spiral blades are provided on the outer circumference of the support column and the two groups of spiral blades are symmetrically arranged on the outer circumference of the support column.
[0008] As a further improvement, a slope is provided at the bottom of the drain pipe body where it is hinged with the anti-suction sealing plate.
[0009] As a further improvement, the drain pipe body is in the shape of a hollow cone column.
[0010] By adopting the above-mentioned technical scheme, the beneficial effects of the utility model are as follows: by setting a guide device and using built-in spiral blades to form a water guide structure, the kinetic energy of the drain pipe body when the water flows through drives the spiral blades of the guide device to rotate. The greater the water flow, the faster the spiral blades rotate, which greatly improves the water drainage speed of the drain pipe body, thereby achieving a 1-2 times improvement in drainage efficiency; at the same time, by adding an anti-absorption sealing plate at the bottom, the sealing plate is used to seal the water outlet at the bottom of the drain pipe body in a normally closed manner through the counterweight part, and the sealing plate is automatically opened by the impact of the water flow at the bottom of the drain pipe body during drainage. Drainage is carried out at the water outlet, and the setting of the anti-suction sealing plate prevents the problem of clogging of the drain pipe body due to garbage being sucked into the drain pipe body due to excessive suction under the bridge in clear weather, thereby avoiding drainage on rainy days due to blockage, greatly improving the drainage efficiency, and effectively reducing the blockage of the drain pipe body to ensure smooth drainage and safe driving in the rainy season. Through further settings, that is, the setting of the positioning ring, the structure between the guide device and the drain pipe body is more stable, and the inclined surface at the bottom of the drain pipe body can limit the counterweight part, making the overall structure more stable and can be widely promoted and applied. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1 It is a three-dimensional structural schematic diagram of an embodiment of the utility model;
[0012] Figure 2 This is a schematic diagram of the structure of the embodiment of the utility model during drainage;
[0013] Figure 3 It is a schematic structural diagram of the flow guide device and the drain pipe body of the utility model embodiment being separated. DETAILED DESCRIPTION
[0014] The utility model is now further described in conjunction with the accompanying drawings and specific implementation methods.
[0015] refer to Figure 1-Figure 3The preferred new highway bridge drainage hole structure of the utility model comprises a drainage pipe body 1, a guide device 2 and an anti-absorption sealing plate 3. A support frame 11 is provided in the middle of the drainage pipe body 1. The guide device 2 is rotatably embedded in the upper part of the drainage pipe body 1. The guide device 2 comprises a support column 21 and two groups of spiral leaves 22 from top to bottom arranged on the outer peripheral side of the support column 21 and a positioning ring 23 with a T-shaped cross section. The two groups of spiral leaves 22 on the outer peripheral side of the support column 21 are symmetrically arranged on the outer peripheral side of the support column 21. The middle part of the support frame 11 extends upward to form a rotating shaft 111. The support column 21 is provided with a The support column 21 is rotatably mounted on the rotating shaft 111 through the cavity and is rotatably connected to the support frame 11. The outer diameter of the positioning ring 23 is matched with the inner diameter of the drain pipe body 1. The top of the positioning ring 23 is fixedly connected to the top of the support column 21. The anti-suction sealing plate 3 includes a sealing plate 31, a connecting portion 32 and a counterweight portion 33. One side of the sealing plate 31 is connected to the counterweight portion 33 through the connecting portion 32. The connecting portion 32 of the anti-suction sealing plate 3 is hinged to one side of the bottom of the drain pipe body 1 and the sealing plate 31 can block the water outlet at the bottom of the drain pipe body 1 or open the water outlet for drainage. The bottom of the drain pipe body 1 is provided with a slope 12 at the hinge with the anti-suction sealing plate 3.
[0016] The support frame and the support column of the guide device in the above embodiment can also be replaced by other structures that can realize the rotational connection between the two. The positioning ring of the guide device can be omitted. The positioning ring is provided to enhance the stability of the guide device embedded in the drain pipe body. The positioning ring can also be other shapes that enhance the stability of the rotation structure between the guide device and the inner diameter of the drain pipe body. The inclined surface provided at the bottom of the drain pipe body at the hinge with the anti-suction sealing plate can be omitted. The drain pipe body can be a hollow cone column shape or a hollow column shape.
[0017] Although the present invention has been specifically demonstrated and described in conjunction with the preferred embodiments, those skilled in the art should understand that various changes may be made to the present invention in form and detail without departing from the spirit and scope of the present invention as defined in the appended claims, all of which are within the scope of protection of the present invention.
Claims
1. A new type of highway bridge drain hole structure, including a drain pipe body, characterized in that: It also includes a guide device and an anti-suction sealing plate. A support frame is provided in the middle of the drain pipe body. The guide device can be rotatably embedded in the upper part of the drain pipe body. The guide device includes a support column and at least one group of spiral leaves from top to bottom arranged on the outer peripheral side of the support column. The support column is rotatably connected to the support frame. The anti-suction sealing plate includes a sealing plate, a connecting part and a counterweight part. One side of the sealing plate is connected to the counterweight part via the connecting part. The connecting part of the anti-suction sealing plate is hinged to one side of the bottom of the drain pipe body and the sealing plate can block the water outlet at the bottom of the drain pipe body or open the water outlet for drainage.
2. The novel highway bridge drainage hole structure according to claim 1 is characterized in that: The middle part of the support frame extends upward to form a rotating shaft, and the support column is provided with a cavity adapted to the rotating shaft. The support column is rotatably sleeved on the rotating shaft through the cavity and is rotatably connected to the support frame.
3. The novel highway bridge drain hole structure according to claim 1 or 2, characterized in that: The flow guide device also includes a positioning ring with a T-shaped cross-section, the outer diameter of the positioning ring is adapted to the inner diameter of the drain pipe body, and the top of the positioning ring is fixedly connected to the top of the support column.
4. The novel highway bridge drain hole structure according to claim 3 is characterized by: Two groups of spiral leaves are arranged on the outer circumference of the support column, and the two groups of spiral leaves are symmetrically arranged on the outer circumference of the support column.
5. The novel highway bridge drain hole structure according to claim 1 is characterized by: The bottom of the drain pipe body is provided with an inclined surface at the hinged position with the anti-suction sealing plate.
6. The novel highway bridge drain hole structure according to claim 1 is characterized by: The drain pipe body is in the shape of a hollow cone column.