Noise reduction type bedridden flap gate
By using multiple door leaf components and hydraulic cylinder structures in the bed -type flip gate, combined with the stretching and multi -angle support of the function board, the problem of vibration and noise pollution of the gate during the water blocking state, and simplified the water stop rubber rubber rubber rubber The disassembly process has achieved good vibration and noise reduction effects and landscape effects.
Patent Information
- Application Number
- CN202421014480.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-11
- Publication Date
- 2025-01-28
- Estimated Expiration
- 2034-05-11
AI Technical Summary
The existing bed-type flip gates are prone to vibration and noise pollution when they are blocked in water, and it is difficult to replace water-stop rubber, which affects the landscape effect and water ecology.
Design a noise -canceling bed -type fastening gate, adopts multiple door leaf components and hydraulic cylinder structures. Through the stretching and multi -angle support of the function board, the water flow state is changed, the noise is reduced, and the lamp belt is embedded on the function board. In order to increase night ornamental.
Effectively reduce the gap between water flow and noise pollution, achieve a good vibration reduction and noise reduction effect, and simplify the disassembly process of water -stop rubber, suitable for applications in urban rivers.
Smart Images
Figure CN222412886U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of flap gates, and in particular relates to a noise-reducing bed-type flap gate. Background Art
[0002] Hydraulic flap gates are hydraulic structures built in urban and rural rivers, channels, and spillways of reservoir power stations with water retaining and water discharge functions. According to the material, they are divided into concrete flap gates and steel flap gates; according to the discharge method, they are divided into gate top outflow flap gates (such as bottom shaft steel dam, air shield dam, hydraulic dam, hinge dam, bed-type flap gate) and gate top outflow + orifice outflow flap gates (such as hydraulic self-controlled flap gates, hydraulic hydraulic double-controlled flap gates). The functional principle of hydraulic flap gates: when the gate is closed, the upstream water level is raised to meet the needs of water intake for power generation or navigation; when the gate is opened, the upstream water level is lowered to meet the needs of flood discharge, drainage, sand flushing, etc.
[0003] As people's quality of life improves, it is popular to build cascade dams in urban rivers to create waterscape sightseeing corridors along the river. The most common gate type is the top-outflow flap gate. This type of gate is installed on the river, and the water flows naturally through the top of the gate to form a waterfall waterscape. When the landscape flap gate is built on the river, the water flows freely through the top of the gate when the landscape flap gate is closed, hitting the downstream water surface (or foundation surface), making a loud sound and causing noise pollution; in a certain period of time, the water curtain causes a cavity to form behind the gate, and negative pressure is generated in the cavity, causing the gate to flap. If multiple gates vibrate and flap at the same time, resonance is formed, and the energy transfer of sound waves can easily form noise.
[0004] The key to solving the vibration and noise pollution of the landscape flap gate when it is in the water-blocking state is to control the water flow drop and flow state. The commonly used methods are: first, the gate normally stores water and overflows during the day, and opens the gate to release water at night. This method can ensure that the gate is noiseless at night, but it needs to be re-stored later. When there is less water from upstream, it takes a long time to store water, which will affect the waterscape effect during the day. At the same time, the water storage operation is also likely to cause the downstream river channel to be cut off and affect the water ecology; the second is to set a drainage hole on one side of the gate chamber to artificially control the drainage volume to ensure that the top of the flap gate cannot pass water. Although this controls the vibration and noise pollution of the gate, it lacks the waterfall effect of the landscape gate.
[0005] Gate waterstops are usually made of rubber assemblies. As wearing parts, they have a normal service life of 5-6 years. However, they are easily damaged under certain working conditions (such as impact from branches, debris, etc.). However, on-site replacement of waterstop rubbers not only requires skilled technology, but also must be done without water. In particular, bottom-axis flap gates require disassembly of the gate body to replace the waterstop rubbers at the bottom of both ends, which is time-consuming and labor-intensive.
[0006] How to replace the water-stop rubber simply and efficiently while spending the least manpower, material resources and financial resources to achieve good shock absorption and noise reduction effects without affecting the landscape effect presented by the flap gate has become a technical problem that urgently needs to be broken through. Utility Model Content
[0007] The utility model aims to provide a noise-reducing bed-type flap gate to solve the technical defect that the existing bed-type flap gate has poor noise reduction effect.
[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a noise-reducing bed-type flap gate, comprising a plurality of door leaf assemblies, a single door leaf assembly comprising a door leaf in an arc structure arranged on an upper dam foundation, a first hydraulic cylinder supporting the door leaf and arranged on a lower dam foundation, the bottom end of the door leaf is hinged to the upper dam foundation through a first hinge seat, a second hydraulic cylinder is hinged to the inner side of the door leaf, the telescopic end of the second hydraulic cylinder is connected to a support rod, and a functional plate is provided on the support rod.
[0009] As a further solution of the utility model, the lower end of the first hydraulic cylinder is hinged to the lower dam foundation through a third hinge seat, and the telescopic end of the first hydraulic cylinder is hinged to the inner side of the gate leaf through a second hinge seat; the inner side of the gate leaf is hinged to the second hydraulic cylinder through a fourth hinge seat.
[0010] As a further solution of the utility model, the telescopic end of the second hydraulic cylinder is connected to the support rod via a fifth hinge seat.
[0011] As a further solution of the utility model, the door leaf includes a top beam, a bottom axis, a main longitudinal beam, a main cross beam, and a panel arranged on the front side of a frame body formed by the top beam, the main longitudinal beam and the main cross beam.
[0012] As a further solution of the utility model, the side surfaces of the door leaves between adjacent door leaf assemblies are smooth surfaces, and the outer edges of the outermost door leaves of several door leaf assemblies are welded with fixed steel plates that are perpendicular to the door leaves and whose bottoms are in contact with the bottom axis, and the inner sides of the fixed steel plates are fixed with water-stop rubbers by single-head bolts.
[0013] As a preferred solution of the utility model, the functional plate is a grid-like structure, and a rubber filler is arranged inside the grid-like structure.
[0014] As a preferred solution of the utility model, the surface of the functional board is coated with a sound-absorbing coating.
[0015] As a preferred solution of the utility model, a plurality of ventilation holes are provided on the edge of the functional plate.
[0016] As a preferred solution of the utility model, a light strip is embedded in one side of the functional board.
[0017] Compared with the prior art, the noise-reducing bed-type flap gate of the utility model has the following beneficial effects:
[0018] 1. In the utility model, the second hydraulic cylinder extends the functional plate, changes the water flow state in the middle, reduces the water flow drop, reduces the sound of water flow hitting objects, and reduces noise.
[0019] Extend the functional board to change the range of the water curtain. At the same time, air vents are arranged around the functional board to ensure that no negative pressure is generated in the cavity behind the gate, thereby eliminating noise pollution caused by gate vibration. The multi-angle extension function of the functional board can not only assist in supporting the gate function at multiple angles, but also promptly remove the accumulated debris behind the gate to ensure the safe operation of the gate. It can not only effectively prevent debris from hitting the first hydraulic cylinder with the water flow, but also enhance the overall supporting strength. By properly adjusting the angle of the functional board, the water will fall directly on the functional board and flow along the board surface to the downstream dam surface. The entire water flow process is smooth and noiseless, and a secondary waterfall waterscape can be formed, effectively solving the problem of water noise when the gate is used in urban rivers.
[0020] 2. In the utility model, by embedding a light strip on one side of the functional panel, the ornamental value of the bed-type flap gate when used at night can be increased. In addition, the extended state of the functional panel can be easily observed at night, thereby increasing the lighting effect.
[0021] 3. The surface of the functional board in the utility model is coated with a sound-absorbing coating, which further increases the sound-absorbing and noise-reducing effect of the functional board.
[0022] 4. The water-stop rubber of the utility model is easy to disassemble and assemble, and ordinary operators can realize the integral assembly of the water-stop rubber by removing the single-head bolt. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] In order to more clearly illustrate the technical solution of the embodiment of the utility model, the drawings required for use in the embodiment will be briefly introduced below. Obviously, the drawings described below are only examples of the embodiment of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0024] Figure 1 This is a schematic diagram of the structure of the functional board in the embodiment of the utility model in the supporting state when blocking water;
[0025] Figure 2 This is a schematic structural diagram of the functional panel of the embodiment of the utility model in the open state when blocking water;
[0026] Figure 3 This is a schematic diagram of the structure of the door leaf in the embodiment of the utility model;
[0027] Figure 4 This is a schematic diagram of the side structure of the door leaf in the embodiment of the utility model;
[0028] Figure 5 for Figure 4 Enlarged structural diagram at A in the middle.
[0029] Reference numerals:
[0030] 1. Door leaf; 101. First hinge seat; 102. Top beam; 103. Bottom shaft; 104. Main longitudinal beam; 105. Main cross beam; 106. Panel; 100. Fixed steel plate; 10. Single-head bolt; 107. Water-stop rubber;
[0031] 2. First hydraulic cylinder; 201. Second hinge seat; 202. Third hinge seat;
[0032] 3. Second hydraulic cylinder; 301. Fourth hinge seat; 302. Fifth hinge seat;
[0033] 4. Support rod; 401. Sixth hinge seat;
[0034] 5. Function panel. DETAILED DESCRIPTION
[0035] In order to make the purpose, technical solution and advantages of the embodiment of the utility model more clear, the embodiment of the utility model is further described in detail below in conjunction with the drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.
[0036] In the description of the embodiments of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the embodiments of the present invention and simplifying the description. They do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they should not be understood as limitations on the embodiments of the present invention.
[0037] In the description of the embodiments of the present invention, it should be noted that, unless otherwise clearly stipulated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, an integral connection, or a detachable connection; it can be the internal connection of two components; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present invention can be understood according to specific circumstances.
[0038] See also Figure 1 , 2 As shown, the embodiment of the utility model is a noise reduction type bed-type flap gate, which is composed of a plurality of door leaf assemblies arranged in parallel. A single door leaf assembly includes a door leaf 1, a first hydraulic cylinder 2, a second hydraulic cylinder 3, a support rod 4, and a function plate 5.
[0039] The lower end of the gate leaf 1 is installed on the surface of the dam foundation through the first hinge seat 101, and the gate leaf 1 has an arc structure; the lower end of the first hydraulic cylinder 2 is installed on the surface of the dam foundation through the third hinge seat 202, and the telescopic end of the first hydraulic cylinder 2 is connected to the inner side of the gate leaf 1 through the second hinge seat 201; one end of the second hydraulic cylinder 3 is connected to the gate leaf 1 through the fourth hinge seat 301; the upper end of the support rod 4 is connected to the gate leaf 1 through the sixth hinge seat 401, and the telescopic end of the second hydraulic cylinder 3 is connected to the support rod 4 through the fifth hinge seat 302; the function board 5 is installed on the support rod 4.
[0040] See also Figure 3 , 4 As shown, the door leaf 1 includes a top beam 102 , a bottom shaft 103 , a main longitudinal beam 104 , a main transverse beam 105 , and a panel 106 arranged on the front side of a frame body formed by the top beam 102 , the main longitudinal beam 104 and the main transverse beam 105 .
[0041] Among them, see Figure 4 , 5 As shown, the side surface of the door leaf 1 between the adjacent door leaf assemblies in the plurality of door leaf assemblies arranged in parallel is a smooth surface, and the outer side edge of the outermost door leaf 1 of the plurality of door leaf assemblies arranged in parallel is welded with a fixing steel plate 100 which is perpendicular to the door leaf 1 and whose bottom abuts against the bottom shaft 103, and a water stop rubber 107 is fixed to the inner side of the fixing steel plate 100 by a single-head bolt 10. The height of the fixing steel plate 100 follows the height of the door leaf 1 until it is connected to the bottom shaft 103. The adoption of this solution can facilitate and simply replace the water stop rubber 107 in an integral assembly.
[0042] In order to make the functional panel 5 have the performance of absorbing vibration and impact, so as to achieve a better effect of reducing vibration and noise, the functional panel 5 is a grid structure with rubber fillers inside; the surface of the functional panel 5 is coated with a sound-absorbing coating.
[0043] In order to change the range of the water curtain through the function board, a number of ventilation holes are opened on the edge of the function board 5 to ensure that no negative pressure is generated in the cavity behind the door leaf, thereby eliminating noise pollution caused by the vibration of the gate.
[0044] A light strip is embedded on one side of the functional board 5 to increase the lighting effect.
[0045] As is well known to those skilled in the art, the working principles and wiring methods of the first hydraulic cylinder 2, the second hydraulic cylinder 3 and the light strip are commonplace, and are conventional means or common knowledge. Those skilled in the art can select their models arbitrarily according to their needs or convenience.
[0046] When the embodiment of the utility model is in a water-blocking state, the function plate 5 is extended by the second hydraulic cylinder 3, so that the water flow state is changed in half, the water flow drop is reduced, the sound of water flow hitting objects is reduced, and the noise is reduced.
[0047] By extending the functional plate 5, the range of the water curtain is changed. At the same time, the vents starting from the edge of the functional plate 5 can ensure that no negative pressure is generated in the cavity behind the door, thereby eliminating noise pollution caused by the vibration of the gate.
[0048] The multi-angle extension function of the functional plate 5 can not only play the role of multi-angle auxiliary support of the gate, but also can timely remove the accumulated debris behind the gate to ensure the safe operation of the gate.
[0049] The door leaf 1 and the support rod 4 are open at an angle of 40-170 degrees, and the functional plate 5 on the support rod 4 can absorb vibration and impact, thereby achieving a better vibration reduction and noise reduction effect.
[0050] The first hinge seat 101 and the third hinge seat 202 are fixed on the surface of the dam foundation. In the water-blocking state, the first hydraulic cylinder 2 forms an angle of 45° with the gate body. At this time, the gate leaf 1 and the support rod 4 form an "A"-shaped force-bearing structure through the second hydraulic cylinder 3, which plays an auxiliary supporting role and can meet the locking function at different angles as the gate opening changes.
[0051] The setting of the open support rod 4 is safer and has multi-angle support function compared with the traditional support rod. When the steel structure back plate is fixed on the support rod 4, the gate support components cannot be seen from the outside, which can not only effectively prevent debris from colliding with the first hydraulic cylinder 2 with the water flow, but also enhance the overall support strength. By properly adjusting the angle of the function plate 5, the flowing water falls on the function plate 5 and flows along the plate surface to the downstream dam surface. The whole water flow process is smooth and noiseless, and a secondary waterfall waterscape can be formed, which effectively solves the problem of water noise when the gate is used in urban rivers.
[0052] Since the base of the first hydraulic cylinder 2 is fixed on the surface of the dam foundation, there is no need to set up a sand cover and a sand discharge hole. During operation, the rotation angle is less than ±30°, the lateral force is small, and the service life of the first hydraulic cylinder 2 is long.
[0053] The solution of the utility model is suitable for the renovation of various gates such as rubber dams, fixed weirs, hydraulic automatic flap gates, etc. There is no need to dismantle the original dam foundation. It only needs to drill holes in the original foundation to embed anchor bolts, and fix the first hinge seat 101 and the third hinge seat 202. The drilling depth does not exceed one meter. The design is simple, safe and reliable, and the total cost is low.
[0054] The above shows and describes the basic principles of the present invention. The above are only preferred embodiments of the present invention and are not intended to limit the present invention. The above embodiments and descriptions in the specification are only intended to illustrate the principles of the present invention. Without departing from the scope of the present invention, any modifications, equivalent substitutions and improvements made within the spirit and scope of the present invention should be included in the protection scope of the present invention.
Claims
1. A noise reduction bed-type flap gate, characterized in that: The invention comprises a plurality of gate leaf assemblies, wherein each of the gate leaf assemblies comprises a gate leaf (1) having an arc structure and arranged on an upper dam foundation, a first hydraulic cylinder (2) supporting the gate leaf (1) and arranged on a lower dam foundation, the bottom end of the gate leaf (1) being hinged to the upper dam foundation via a first hinge seat (101), a second hydraulic cylinder (3) being hinged to the inner side of the gate leaf (1), a telescopic end of the second hydraulic cylinder (3) being connected to a support rod (4), and a functional plate (5) being arranged on the support rod (4).
2. The noise reduction bed-type flap gate according to claim 1, characterized in that: The lower end of the first hydraulic cylinder (2) is hinged to the lower dam foundation via a third hinge seat (202); the telescopic end of the first hydraulic cylinder (2) is hinged to the inner side of the gate leaf (1) via a second hinge seat (201); the inner side of the gate leaf (1) is hinged to the second hydraulic cylinder (3) via a fourth hinge seat (301).
3. The noise reduction bed-type flap gate according to claim 2 is characterized in that: The telescopic end of the second hydraulic cylinder (3) is connected to the support rod (4) via a fifth hinge seat (302).
4. The noise reduction bed-type flap gate according to claim 3 is characterized in that: The door leaf (1) comprises a top beam (102), a bottom shaft (103), a main longitudinal beam (104), a main transverse beam (105), and a panel (106) arranged on the front side of a frame body formed by the top beam (102), the main longitudinal beam (104) and the main transverse beam (105).
5. The noise reduction bed-type flap gate according to claim 4, characterized in that: The side surfaces of the door leaves (1) between adjacent door leaf assemblies are smooth surfaces, and the outer edges of the outermost door leaves (1) of several door leaf assemblies are welded with a fixing steel plate (100) which is perpendicular to the door leaf (1) and whose bottom abuts against the bottom shaft (103), and a water-stop rubber (107) is fixed to the inner side of the fixing steel plate (100) by a single-head bolt (10).
6. The noise-reducing bed-type flap gate according to claim 5, characterized in that: The functional plate (5) is a grid-like structure, and a rubber filler is arranged inside the structure.
7. The noise-reducing bed-type flap gate according to claim 5, characterized in that: The surface of the functional plate (5) is coated with a sound-absorbing coating.
8. The noise-reducing bed-type flap gate according to claim 5, characterized in that: The edge of the functional plate (5) is provided with a plurality of ventilation holes.
9. A noise reduction bed-type flap gate according to any one of claims 1 to 8, characterized in that: A light strip is embedded in one side of the functional board (5).