Overflow door structure for artificial ecological wetland
By setting up a lifting door structure at the overflow port of artificial ecological wetlands, the problem of large-scale fishing workload is solved, effective isolation of fish and adjustment of water level and flow is achieved, simplifying the fishing process and reducing costs.
Patent Information
- Application Number
- CN202421573390.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-04
- Publication Date
- 2025-05-02
- Estimated Expiration
- 2034-07-04
AI Technical Summary
The concentrated fishing workload of fish in artificial ecological wetlands is large, and the overflow structure of the existing terraced wetland area is open, resulting in free flow of fish, increasing the fishing workload.
An overflow door structure for artificial ecological wetlands is designed, including a water barrier door and a mounting rack installed on both sides of the overflow door. The water barrier door is driven to slide up and down by lifting screws to adjust the overflow water level and flow rate to prevent fish from swimming.
By setting up lifting doors at the overflow ports, fish are effectively prevented from swimming, overflow water level and flow rate are adjusted, the fish fish fishing process is simplified, the workload is reduced, and the structure is simple and the cost is low.
Smart Images

Figure CN222821361U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of water pollution control, in particular to an overflow door structure used for artificial ecological wetlands. Background Art
[0002] At present, common artificial ecological wetlands are designed as highly staggered terraced structures, and overflow outlets are set at the downstream end of each area to allow natural flow, aiming to simulate the function of natural wetlands to achieve water purification. Aquatic plants, microorganisms and fish are placed in each area to improve the purification effect of water bodies by establishing an ecosystem that simulates nature.
[0003] Since the fish live in Class IV and Class V water bodies with poor water quality, fishing is usually prohibited and these fish need to be regularly harvested and properly handled. Since the overflow structure of the traditional terraced wetland area is open, fish can flow freely between areas, which brings additional workload to centralized fishing. Utility Model Content
[0004] The utility model provides an overflow door structure for an artificial ecological wetland, which solves the problem of heavy workload in concentrated fishing of fishes in the artificial ecological wetland.
[0005] In order to solve the above technical problems, the technical solution adopted by the utility model is: an overflow gate structure for artificial ecological wetlands, including a water retaining gate and a hanging rack installed on both sides of the overflow port, a hanging groove is provided at the upper end of the hanging rack, the hanging groove is clamped on the upper end of the retaining wall on both sides of the overflow port, the hanging rack is also provided with a U-shaped groove, the U-shaped groove openings of the two hanging racks are arranged opposite to each other, the two ends of the water retaining gate are clamped in the U-shaped groove, the top end of the hanging rack is connected to the top beam, a rotatable lifting screw is provided in the center of the top beam, a screw sleeve is provided at the top end of the water retaining gate, the lifting screw is threadedly connected to the screw sleeve, the lifting screw rotates to drive the water retaining gate to slide up and down, and a hollow portion is provided at the upper end of the water retaining gate.
[0006] In the preferred scheme, the mounting frame includes a front plate and a rear plate, the front plate is abutted against the upstream side of the retaining wall, the rear plate is abutted against the downstream side of the retaining wall, a U-shaped groove is arranged on the front plate, a curled portion is arranged at the lower end of the rear plate, and a supporting leg is also arranged, a rotating pin is arranged at the upper end of the supporting leg, the rotating pin is clamped in the curled portion and rotates, and the lower end of the supporting leg is inserted into the riverbed.
[0007] In a preferred solution, a notch is provided at the upper end of the retaining wall on both sides of the overflow port, a through hole is provided on the side wall of the hanging groove, and a curling portion is provided, and the first latch screw passes through the through hole and is inserted into the notch.
[0008] In a preferred solution, the support leg includes a threaded sleeve section and a pile head section, the rotating pin is arranged near the upper end of the threaded sleeve section, and the lower end of the pile head section is a pointed structure.
[0009] In the preferred solution, the pile head section includes a pointed rod and a sleeve tube, the pointed rod and the sleeve tube are slidably sleeved, the sleeve tube and the pointed rod are provided with multiple gear holes, and a second latch screw is also provided, the second latch screw passes through the gear hole and pins the sleeve tube and the pointed rod.
[0010] In a preferred solution, a force-adding hole is provided at the upper end of the pile head section, and a detachable force-adding rod is also provided, and the force-adding rod is inserted into the force-adding hole.
[0011] In a preferred solution, the water retaining gate comprises a frame body, a hollow central tube is provided in the center of the frame body, and the central tube is aligned with and communicated with the screw sleeve.
[0012] In a preferred solution, a rotating sleeve is provided in the center of the top beam, a rotating handle is provided at the upper end of the lifting screw rod, the lifting screw rod is rotatably sleeved with the rotating sleeve, and the lower end of the rotating handle abuts against the rotating sleeve.
[0013] In the preferred solution, a plurality of parallel and spaced strip grids are arranged near the upstream side of the frame body, a water retaining panel is provided near the lower end of the water-facing surface of the water retaining gate so that strip holes are exposed at the upper end of the water retaining gate, and the water retaining panel is connected to each strip grid on the back side of the water retaining panel.
[0014] In a preferred solution, each strip grid is arranged vertically.
[0015] The beneficial effects of the utility model are as follows: by arranging lifting doors at the overflow outlets of various areas, the lifting doors can be raised during the fishing season to effectively prevent fish from swimming downstream or even into natural water bodies; the lifting door structure can adjust the overflow water level and can play a role in adjusting the overflow flow of various areas; the mounting frame can be installed on the original retaining wall structure, with a simple structure, small engineering workload and low cost. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] The utility model is further described below in conjunction with the accompanying drawings and embodiments.
[0017] Figure 1 It is a schematic diagram of the layout of the artificial wetland of the utility model.
[0018] Figure 2 It is a structural schematic diagram of the wetland overflow outlet of the utility model.
[0019] Figure 3 It is a structural diagram of the overflow port overflow door of the utility model.
[0020] Figure 4 It is a schematic diagram of the backwater side of the overflow gate structure of the utility model.
[0021] Figure 5 It is a schematic diagram of the water-facing side of the overflow gate structure of the utility model.
[0022] Figure 6 It is an enlarged view of the single-side structure of the utility model.
[0023] Figure 7 It is an exploded view of the supporting legs of the utility model.
[0024] Figure 8 It is a structural diagram of a water retaining door of the utility model.
[0025] In the figure: a mounting frame 1; a hanging slot 101; a front plate 102; a U-shaped slot 103; a first latch screw 104; a rear plate 105; a curled portion 106; a through hole 107; a water retaining gate 2; a frame body 201; a central tube 202; a screw sleeve 203; a strip fence 204; a water retaining panel 205; strip holes 206; a top beam 3; a lifting screw 4; a rotating handle 401; a rotating sleeve 402; a supporting leg 5; a threaded sleeve section 501; a rotating pin 502; a sleeve tube 503; a pile head section 504; a pointed rod 505; a shift hole 506; a second latch screw 507; a force hole 508; a force rod 509; a retaining wall 6; a notch 601; an overflow port 7; and an artificial wetland 8. DETAILED DESCRIPTION
[0026] Embodiment 1:
[0027] like Figure 1-8 In the invention, an overflow gate structure for an artificial ecological wetland comprises a water retaining gate 2 and a hanging frame 1 installed on both sides of an overflow port 7, a hanging groove 101 is provided on the upper end of the hanging frame 1, the hanging groove 101 is clamped on the upper ends of the retaining walls 6 on both sides of the overflow port 7, the hanging frame 1 is also provided with a U-shaped groove 103, the openings of the U-shaped grooves 103 of the two hanging frames 1 are arranged opposite to each other, both ends of the water retaining gate 2 are clamped in the U-shaped grooves 103, a top beam 3 is connected to the top of the hanging frame 1, a rotatable lifting screw 4 is provided in the center of the top beam 3, a screw sleeve 203 is provided on the top of the water retaining gate 2, the lifting screw 4 is threadedly connected to the screw sleeve 203, the lifting screw 4 rotates to drive the water retaining gate 2 to slide up and down, and a hollow portion is provided on the upper end of the water retaining gate 2.
[0028] The artificial wetland 8 is terraced, with a height difference between the upstream and downstream areas, and is arranged in a fish scale pattern. Each area is provided with an overflow port 7 near the downstream.
[0029] The top beam 3 is an L-shaped structure and has reinforcing ribs welded on it at regular intervals.
[0030] During installation, the mounting frames 1 on both sides can be installed first, and then the top beam 3 is placed and welded to the mounting frames 1 to form a door-shaped structure.
[0031] The water blocking height of the water blocking gate 2 can be adjusted by rotating the lifting screw 4, and the water flow can overflow to the downstream area through the hollow part at the upper end of the water blocking gate 2.
[0032] In the preferred embodiment, the mounting frame 1 includes a front plate 102 and a rear plate 105. The front plate 102 is abutted against the upstream side of the retaining wall 6, and the rear plate 105 is abutted against the downstream side of the retaining wall 6. The U-shaped groove 103 is arranged on the front plate 102. The lower end of the rear plate 105 is provided with a curled portion 106, and a support leg 5 is also provided. The upper end of the support leg 5 is provided with a rotating pin 502, and the rotating pin 502 is stuck in the curled portion 106 for rotation, and the lower end of the support leg 5 is inserted into the riverbed.
[0033] In a preferred embodiment, a notch 601 is provided at the upper end of the retaining wall 6 on both sides of the overflow port 7, a through hole 107 and a curled portion 106 are provided on the side wall of the hanging groove 101, and the first latch screw 104 passes through the through hole 107 and is inserted into the notch 601.
[0034] The first latch screw 104 is inserted and then locked with nuts at both ends, so that the hanging groove 101 clamps the retaining wall 6 .
[0035] The retaining wall 6 is usually made of wood or concrete columns, which are inserted into the riverbed side by side to form a row of piles. Therefore, a notch 601 can be cut at the joints of adjacent piles. The width of the front plate 102 and the rear plate 105 is at least twice the diameter of the pile. The rear plate 105 is located in the center and is exactly aligned with the position of the notch 601. After the first latch screw 104 is inserted into the notch 601, the mounting frame 1 can be prevented from being displaced left and right.
[0036] However, due to the water pressure, both ends of the water retaining gate 2 will be against the mounting frame 1, and the final force will be on the central short pile and the limited long piles on both sides, which may cause the piles at the overflow outlet 7 to be overturned. In order to improve the force, the supporting force can be enhanced by supporting legs 5 on the downstream side.
[0037] In a preferred embodiment, the support leg 5 includes a threaded sleeve section 501 and a pile head section 504 , the rotating pin 502 is arranged near the upper end of the threaded sleeve section 501 , and the lower end of the pile head section 504 is a pointed structure.
[0038] The threaded sleeve section 501 can swing around the central axis of the curling portion 106 to adjust the support angle, and the pile head section 504 is threadedly connected to the threaded sleeve section 501. Rotating the pile head section 504 can adjust the extension length of the pile head section 504 relative to the threaded sleeve section 501.
[0039] In the preferred embodiment, the pile head section 504 includes a pointed rod 505 and a sleeve tube 503, which are slidably sleeved together. The sleeve tube 503 and the pointed rod 505 are provided with a plurality of shift holes 506, and a second latch screw 507 is also provided. The second latch screw 507 passes through the shift hole 506 and pins the sleeve tube 503 and the pointed rod 505.
[0040] In a preferred solution, a force hole 508 is provided at the upper end of the pile head section 504 , and a detachable force rod 509 is also provided, and the force rod 509 is inserted into the force hole 508 .
[0041] When in use, the second latch screw 507 is inserted into the appropriate shift hole 506 according to the depth of the riverbed to adjust the total length of the pile head section 504, and the nuts at both ends of the second latch screw 507 are locked. The support leg 5 is swung to the lower end to contact the riverbed and insert part, the force rod 509 is inserted into the force hole 508, and the pile head section 504 is rotated to insert the pile head section 504 deeper to provide a more stable supporting force.
[0042] In a preferred solution, the water retaining gate 2 includes a frame body 201 , a hollow central tube 202 is provided in the center of the frame body 201 , and the central tube 202 is aligned with and communicated with the screw sleeve 203 .
[0043] The lower section of the lifting screw 4 is hidden in the central pipe 202 so as not to be exposed in the sewage, thereby reducing the erosion of the surface of the lifting screw 4 by the sewage.
[0044] In a preferred embodiment, a rotating sleeve 402 is provided in the center of the top beam 3 , a rotating handle 401 is provided at the upper end of the lifting screw rod 4 , the lifting screw rod 4 is rotatably sleeved with the rotating sleeve 402 , and the lower end of the rotating handle 401 abuts against the rotating sleeve 402 .
[0045] The rotating handle 401 can be welded to the upper end of the lifting screw 4, and the rotating sleeve 402 can stop the rotating handle 401 to prevent the lifting screw 4 from coming out. When the rotating handle 401 is rotated, the lifting screw 4 rotates and causes the water retaining gate 2 to rise and fall along the U-shaped groove 103.
[0046] In the preferred solution, a plurality of parallel and spaced strip grids 204 are provided near the upstream side of the frame body 201, and a water retaining panel 205 is provided near the lower end of the water-facing surface of the water retaining gate 2 so that strip holes 206 are exposed at the upper end of the water retaining gate 2, and the water retaining panel 205 is connected to each strip grid 204 on the back side of the water.
[0047] The upper end of the water retaining gate 2 can leak water, but because the upper end is a hollow bar hole 206, the upper end of the water retaining gate 2 can be higher than the water surface to intercept floating objects and fish. The water retaining panel 205 is a thin plate structure, and each bar grid 204 forms a structural rib. The water retaining panel 205 is backed by the structural rib and welded to prevent the central part of the water retaining panel 205 from being sunken due to excessive water pressure.
[0048] In a preferred solution, each strip grid 204 is arranged vertically.
[0049] The vertical arrangement of the bar fence 204 can intercept most floating objects, such as branches, leaves, plastic bags, etc.
[0050] Embodiment 2:
[0051] An overflow blocking device for an artificial ecological wetland comprises a base frame spanning the overflow, a plurality of supporting legs inserted into a riverbed are arranged at the lower end of the base frame, a hollow grid frame is arranged on the base frame at the overflow, U-shaped grooves are arranged on both sides of the grid frame near the overflow, and a liftable water retaining gate is also arranged near the downstream side of the grid frame, and both ends of the water retaining gate are stuck in the U-shaped grooves.
[0052] In a preferred solution, a rotatable lifting screw is provided at the upper end of the base frame, a screw sleeve is provided at the upper end of the water retaining gate, and the lower end of the lifting screw is threadably sleeved with the screw sleeve.
[0053] In a preferred solution, the basic frame is a cubic welded frame, and supporting legs are provided at at least four corners of the basic frame.
[0054] In a preferred embodiment, the grid frame includes a plurality of grid bars arranged in parallel and at intervals, and each grid bar is arranged obliquely.
[0055] In a preferred solution, a shifting block is provided between each grid bar, and a shifting rod and a limiting plate are also provided, and the shifting rod is connected to each shifting block.
[0056] In the preferred solution, a limit plate is further provided, the limit plate is connected to each shifting block, and the shifting rod and the limit plate are respectively arranged on both sides of the grid frame.
[0057] In the preferred solution, a light hole is provided in the lever, and a lifting rod is also provided, one end of the lifting rod is slidably sleeved with the light hole, a nut is provided at the upper end of the lifting rod, and a laterally arranged lead screw is provided at the upper end of the base frame, and the nut is sleeved with the lead screw.
[0058] In a preferred solution, the supporting leg comprises a pointed portion and a hollow tube, a flange seat is provided at the upper end of the hollow tube, and the pointed portion is inserted into the riverbed.
[0059] In the preferred embodiment, a contact seat is also provided, which supports the base frame. The contact seat is provided with an upper flange surface and a lower flange surface. A plurality of through holes are arranged circumferentially along the upper edge of the lower flange surface. A plurality of adjusting screws connected by threads are also provided circumferentially along the upper end of the flange seat. The upper end of each adjusting screw passes through the through hole to abut against the upper flange surface.
[0060] In a preferred embodiment, the hollow tube is filled with concrete.
[0061] The above embodiments are only preferred technical solutions of the present invention and should not be regarded as limitations of the present invention. The protection scope of the present invention shall be the technical solutions recorded in the claims, including equivalent replacement solutions of the technical features in the technical solutions recorded in the claims. That is, equivalent replacement improvements within this scope are also within the protection scope of the present invention.
Claims
1. An overflow gate structure for an artificial ecological wetland, characterized by: The invention comprises a water retaining gate (2) and a hanging frame (1) installed on both sides of an overflow outlet (7), wherein a hanging groove (101) is provided at the upper end of the hanging frame (1), the hanging groove (101) is clamped on the upper ends of retaining walls (6) on both sides of the overflow outlet (7), the hanging frame (1) is further provided with a U-shaped groove (103), the openings of the U-shaped grooves (103) of the two hanging frames (1) are arranged opposite to each other, the two ends of the water retaining gate (2) are clamped in the U-shaped grooves (103), the top end of the hanging frame (1) is connected to a top beam (3), a rotatable lifting screw (4) is provided in the center of the top beam (3), a screw sleeve (203) is provided at the top end of the water retaining gate (2), the lifting screw (4) is threadedly connected to the screw sleeve (203), the lifting screw (4) rotates to drive the water retaining gate (2) to slide up and down, and a hollow portion is provided at the upper end of the water retaining gate (2).
2. The overflow gate structure for artificial ecological wetlands according to claim 1 is characterized in that: The mounting frame (1) comprises a front plate (102) and a rear plate (105), wherein the front plate (102) is abutted against the upstream side of the retaining wall (6), and the rear plate (105) is abutted against the downstream side of the retaining wall (6). A U-shaped groove (103) is provided on the front plate (102), and a curling portion (106) is provided at the lower end of the rear plate (105). A supporting leg (5) is also provided, and a rotating pin (502) is provided at the upper end of the supporting leg (5). The rotating pin (502) is locked in the curling portion (106) and rotates, and the lower end of the supporting leg (5) is inserted into the riverbed.
3. The overflow gate structure for artificial ecological wetlands according to claim 1 is characterized in that: A notch portion (601) is provided at the upper end of the retaining wall (6) on both sides of the overflow port (7), a through hole (107) and a curling portion (106) are provided on the side wall of the hanging groove (101), and a first latch screw (104) passes through the through hole (107) and is inserted into the notch portion (601).
4. The overflow gate structure for artificial ecological wetlands according to claim 3 is characterized in that: The support leg (5) comprises a threaded sleeve section (501) and a pile head section (504), the rotating pin (502) is arranged near the upper end of the threaded sleeve section (501), and the lower end of the pile head section (504) is a pointed structure.
5. The overflow gate structure for artificial ecological wetland according to claim 4 is characterized in that: The pile head section (504) comprises a pointed rod (505) and a sleeve tube (503), wherein the pointed rod (505) and the sleeve tube (503) are slidably sleeved, and the sleeve tube (503) and the pointed rod (505) are provided with a plurality of stop holes (506) and a second latch screw (507), and the second latch screw (507) passes through the stop holes (506) and pins the sleeve tube (503) and the pointed rod (505).
6. The overflow gate structure for artificial ecological wetland according to claim 4 is characterized in that: The upper end of the pile head section (504) is provided with a force-adding hole (508) and a detachable force-adding rod (509), and the force-adding rod (509) is inserted into the force-adding hole (508).
7. The overflow gate structure for artificial ecological wetland according to claim 1 is characterized by: The water retaining gate (2) comprises a frame body (201). A hollow central tube (202) is provided in the center of the frame body (201). The central tube (202) is aligned with and communicated with a screw sleeve (203).
8. The overflow gate structure for artificial ecological wetland according to claim 1 is characterized by: A rotating sleeve (402) is provided in the center of the top beam (3), a rotating handle (401) is provided at the upper end of the lifting screw rod (4), the lifting screw rod (4) is rotatably sleeved with the rotating sleeve (402), and the lower end of the rotating handle (401) abuts against the rotating sleeve (402).
9. The overflow gate structure for artificial ecological wetland according to claim 7, characterized in that: A plurality of parallel and spaced bar grates (204) are provided on the upstream side of the frame body (201); a water retaining panel (205) is provided near the lower end of the water retaining gate (2) on the water-facing surface so that bar holes (206) are exposed at the upper end of the water retaining gate (2); and the water retaining panel (205) is connected to each of the bar grates (204) on the back side thereof.
10. The overflow gate structure for artificial ecological wetland according to claim 9, characterized in that: Each strip grid (204) is arranged vertically.