Water conservancy project culvert pipe drainage structure capable of preventing blockage
By combining reinforced concrete and plastic culverts in the culvert, setting push-pull limit rings and water spray pipes, and cooperating with filter screens, the problem of culvert blockage is solved, and anti-blocking and efficient cleaning are achieved.
Patent Information
- Application Number
- CN202422967322.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-03
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2034-12-03
AI Technical Summary
Existing culvert drainage structures are prone to blockage due to sediment accumulation, making cleaning difficult.
The reinforced concrete culvert and the plastic culvert are connected in a socket manner, with push-pull limit rings and water spray pipes installed inside, and end filters and internal filters are used to clean and loosen sediments through water spraying and regular loosening to prevent blockage.
Effectively prevent culvert blockage, keep water flow smooth, simplify the cleaning process, and improve drainage efficiency.
Smart Images

Figure CN223458711U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to culvert drainage technical field, concretely is a water conservancy project culvert drainage structure of prevent block. BACKGROUND
[0002] The culvert drainage structure in water conservancy projects is a common facility, mainly used for guiding water flow through embankments, earth dams or other obstacles to ensure that water can flow smoothly from one area to another while protecting these engineering structures from water erosion.
[0003] The existing culvert can be made of various materials, such as concrete, reinforced concrete, plastic (PVC or HDPE), etc. Due to problems such as sediment accumulation, garbage, debris, grease condensation, etc., it is easy to cause blockage of the culvert drainage. Currently, the laying angle of the culvert is usually adjusted to enhance the water flow rate, or a filter screen is added at the water inlet part to connect impurities, but some sediments inside the culvert are not easy to clean, and can easily cause blockage over time. SUMMARY
[0004] The utility model aims at providing a water conservancy project culvert drainage structure that can prevent blockage to solve the problem of the current market that some sediments inside the culvert are not easy to clean and can easily cause blockage over time as mentioned in the background.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a water conservancy project culvert drainage structure that can prevent blockage, comprising a culvert drainage structure main body, a reinforced concrete culvert and a plastic culvert that are inserted into each other are arranged outside the culvert drainage structure main body, and a drainage guide cover is clamped at the end of the culvert drainage structure main body, limit protrusions are symmetrically arranged inside the plastic culvert on both sides, a water jet pipe is also installed on the inside top of the plastic culvert, push-pull limit rings are uniformly and intermittently clamped inside the plastic culvert, end filter screens are tightly clamped in the push-pull limit rings at the end position, and internal filter screens are tightly clamped in the push-pull limit rings in the internal area.
[0006] Preferably, the push-pull limit ring is a circular ring structure, and the outer ring of the push-pull limit ring is gap-fitted with the inside of the plastic culvert.
[0007] Preferably, a first limit slot is formed in the upper end of the push-pull limit ring, and the water jet pipe is located in the first limit slot.
[0008] Preferably, second limit slots are also symmetrically formed in the two sides of the push-pull limit ring, and the second limit slots are clamped with the limit protrusions.
[0009] Preferably, the end filter screen and the middle part of the internal filter screen are respectively fixed with a first connecting ring and a second connecting ring, and the adjacent first connecting ring and the second connecting ring are respectively screwed with a connecting rod.
[0010] Preferably, the end filter screen and the middle part of the internal filter screen are respectively fixed with a first connecting ring and a second connecting ring, and the adjacent first connecting ring and the second connecting ring are respectively screwed with a connecting rod.
[0011] Compared with the prior art, the beneficial effects of the utility model are: the anti-blocking water conservancy culvert drainage structure is combined by the reinforced concrete culvert and the plastic culvert, so that the culvert has the hardness of the reinforced concrete and the smoothness of the plastic, and the push-pull limiting ring is arranged in the culvert, so that the sediments in the culvert can be loosened regularly, so that the sediments can flow away with the drainage, and the culvert is prevented from being blocked. BRIEF DESCRIPTION OF DRAWINGS
[0012] Figure 1 It is an end section structure schematic view of the anti-blocking water conservancy culvert drainage structure.
[0013] Figure 2 It is an anti-blocking water conservancy culvert drainage structure. Figure 1 It is an enlarged structure schematic view of the middle A.
[0014] Figure 3 It is an internal structure side view of the anti-blocking water conservancy culvert drainage structure.
[0015] In the figure: 1, culvert drainage structure main body; 2, reinforced concrete culvert; 3, plastic culvert; 301, water jet pipe; 302, limiting protrusion; 4, push-pull limiting ring; 401, first limiting groove; 402, second limiting groove; 5, end filter screen; 501, first connecting ring; 6, drainage guide cover; 7, internal filter screen; 701, second connecting ring; 8, connecting rod. DETAILED DESCRIPTION
[0016] Clearly, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.
[0017] Please refer to Figures 1-3The utility model provides a technical scheme: a water conservancy project culvert drainage structure of anti -blocking, including culvert drainage structure main part 1, the outside of culvert drainage structure main part 1 is equipped with mutually inserted reinforced concrete culvert 2 and plastic culvert 3, and culvert drainage structure main part 1 end portion is clamped with drainage guide cover 6, and the inside both sides symmetry of plastic culvert 3 are equipped with limit protruding 302, and the inside top of plastic culvert 3 still is installed with water jet pipe 301, and the inside of plastic culvert 3 evenly spaced movable clamping has push -and -pull limit ring 4, and push -and -pull limit ring 4 is circular ring structure, and the outer ring of push -and -pull limit ring 4 is matched with the inside clearance of plastic culvert 3, this structure can let push -and -pull limit ring 4 movable in plastic culvert 3, through the activity of push -and -pull limit ring 4, can make the deposit of plastic culvert 3 bottom loose, so that deposit is along with water flow and is discharged, this structure water jet pipe 301 sets up in plastic culvert 3 top, the adhesion of water jet pipe 301 is fixed easily, and water jet pipe 301 can be connected into water source through water pump simultaneously, makes the water after filtration and sprays, so as to carry out the flushing of plastic culvert 3, and when culvert drainage structure main part 1 is applied to special water body drainage, water jet pipe 301 can introduce special cleaning agent, so that plastic culvert 3's sewage treatment, and the inside fastening of end position's push -and -pull limit ring 4 clamping has end filter screen 5, and the inside fastening of push -and -pull limit ring 4 in regional clamping has internal filter screen 7, and the both sides of push -and -pull limit ring 4 still are equipped with the second limit groove 402 of symmetry, and the second limit groove 402 is movable clamping with limit protruding 302, this structure makes push -and -pull limit ring 4 movable when preventing the anti -toppling limit processing of limit protruding 302, ensures the loose processing of push -and -pull limit ring 4 to the deposit of plastic culvert 3 bottom, and the middle part of end filter screen 5 and internal filter screen 7 is fixed with first connecting ring 501 and second connecting ring 701 respectively, and the adjacent first connecting ring 501 and second connecting ring 701 and second connecting ring 701 and second connecting ring 701 are respectively screwed and fixed with connecting rod 8, this structure makes end filter screen 5 and internal filter screen 7 can be linked through connecting rod 8 between, so as to carry out the inside cleaning of culvert drainage structure main part 1, for the inside smooth of plastic culvert 3, even if culvert drainage structure main part 1's length is longer, push -and -pull limit ring 4 can move smoothly, and end filter screen 5 and internal filter screen 7 are clamped into push -and -pull limit ring 4 from the side of push -and -pull limit ring 4 facing water flow direction respectively, and the mesh size of end filter screen 5 is less than the mesh size of internal filter screen 7, this structure can intercept most impurities through end filter screen 5, and internal filter screen 7 plays the role of water flow circulation, along with the flow of water flow, end filter screen 5 and internal filter screen 7 can always keep close with push -and -pull limit ring 4.
[0018] Working principle: when using the anti-clogging water conservancy culvert drainage structure, first, the reinforced concrete culvert 2 and the plastic culvert 3 are inserted to form a culvert structure, so that the culvert drainage structure body 1 has high pressure resistance and high flowability; the drainage guide cover 6 is used for flow guiding at the water inlet; through the variable diameter processing of the drainage guide cover 6 and the filtering of the end filter screen 5, the impurities with large quality are directly precipitated, and the impurities with large size and light quality are directly intercepted; when the internal cleaning of the culvert drainage structure body 1 is carried out, the connecting rod 8 is fixed to the end filter screen 5 through the first connecting ring 501, and the end filter screen 5 is pushed; through the connection of the end filter screen 5 and the internal filter screen 7 by the connecting rod 8, the synchronous movement of the internal filter screen 7 is realized; the second connecting ring 701 is used for fixing the connecting rod 8 and the internal filter screen 7, so that the push-pull limiting ring 4 moves in the plastic culvert 3, the sediments are loosened, and the water is sprayed through the water jet pipe 301 for cleaning, so that the anti-clogging cleaning of the culvert drainage structure body 1 is realized; the limiting convex 302 is limited in the second limiting groove 402, the movement of the push-pull limiting ring 4 is limited, the first limiting groove 401 avoids the movement of the push-pull limiting ring 4 being hindered by the water jet pipe 301, and a series of work is completed.
[0019] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.
Claims
1. A water conservancy culvert drainage structure capable of preventing blockage, comprising a culvert drainage structure main body (1), characterized in that: The culvert drainage structure body (1) is externally provided with a mutually inserted reinforced concrete culvert (2) and a plastic culvert (3), and the culvert drainage structure body (1) is clamped with a drainage guide cover (6) at the end, the plastic culvert (3) is symmetrically provided with a limiting protrusion (302) at both sides inside, and a water spraying pipe (301) is further installed at the top inside of the plastic culvert (3), the plastic culvert (3) is movably clamped with a push-pull limiting ring (4) at intervals, the end portion of the push-pull limiting ring (4) is tightly clamped with an end portion filter screen (5), and the push-pull limiting ring (4) in the internal region is tightly clamped with an internal filter screen (7).
2. The anti-clogging drainage structure for hydraulic engineering culvert according to claim 1, characterized in that: The push-pull limiting ring (4) is a circular ring structure, and the outer ring of the push-pull limiting ring (4) is gap-fitted with the inside of the plastic culvert (3).
3. The anti-clogging drainage structure for hydraulic engineering culvert according to claim 1, characterized in that: A first limiting groove (401) is formed at the upper end of the push-pull limiting ring (4), and the water spraying pipe (301) is located in the first limiting groove (401).
4. The anti-clogging drainage structure for hydraulic engineering culvert according to claim 1, characterized in that: Second limiting grooves (402) are symmetrically formed at both sides of the push-pull limiting ring (4), and the second limiting grooves (402) are movably clamped with the limiting protrusions (302).
5. The anti-clogging drainage structure for hydraulic engineering culvert according to claim 1, characterized in that: First connecting rings (501) and second connecting rings (701) are respectively fixed at the middle portions of the end portion filter screen (5) and the internal filter screen (7), and connecting rods (8) are respectively screwed and fixed between the adjacent first connecting rings (501) and second connecting rings (701) and between the second connecting rings (701).
6. The anti-clogging drainage structure for hydraulic engineering culvert according to claim 1, characterized in that: The end portion filter screen (5) and the internal filter screen (7) are clamped into the push-pull limiting ring (4) from the side of the push-pull limiting ring (4) facing the water flow direction, and the mesh size of the end portion filter screen (5) is smaller than that of the internal filter screen (7).