Hydraulic rotary weir gate with anti-backflow structure

Abstract

The utility model belongs to the technical field of rotary checkgates, particularly relates to a hydraulic rotary checkgate with an anti-backflow structure, and aims to solve the problem of backflow caused by untight sealing in the prior art, the hydraulic rotary checkgate comprises a frame body, a weir plate is rotatably connected in the frame body, and a bearing frame is fixed at the lower part in the frame body; a hydraulic power device is connected with the connecting block, through the cooperation of the bearing frame, the rotating block and the supporting rod, the weir plate can rotate in the frame body to be opened and closed, and when the weir plate is closed, the weir plate can rotate in the frame body to be opened and closed. A hydraulic rod in a fixing shell works to push a connecting plate to stably slide along the fixing shell, so that a fixing block drives a sealing gasket to penetrate out of the fixing shell, one side of the sealing gasket is attached to a limiting plate, the other side of the sealing gasket is attached to the connecting block and other assemblies, the sealing effect is achieved, and the situation of backward flowing caused by gaps is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to a liquid drive rotary weir gate, in particular to a liquid drive rotary weir gate with anti-backflow structure, belongs to rotary weir gate technical field. BACKGROUND

[0002] The installation of the rotary weir gate on the civil engineering overflow weir can increase the upstream storage volume, while protecting water resources. The liquid drive rotary weir gate can control the upstream water level and water discharge flow, save space while increasing the upstream storage volume and protecting water resources, and can be applied in water supply and drainage engineering.

[0003] In the prior art, such as the rotary weir gate disclosed in the announcement No. CN221608805U, the utility model can detect the water level before and after the weir gate according to the ultrasonic liquid level meter, control the hydraulic cylinder to work through the control system to realize the opening and closing of the weir gate, and can control the storage height of the weir gate, can realize the functions of intercepting water, controlling the drainage flow and adjusting the upstream water level. The utility model has the advantages of compact structure, simple operation, accurate control (the oil cylinder is provided with a magnetic ring displacement sensor), corrosion resistance of 304 stainless steel, remote APP control, video monitoring and the like.

[0004] However, in the implementation of the related technology, it is found that the above-mentioned design of the rotary weir gate has the following problems: although the cooperation of components such as ultrasonic liquid level meters can accurately control the weir gate in the prior art, in the actual use process, the rotary weir gate may have partial gaps at the component part, which may cause sealing failure and backflow. In view of this, a liquid drive rotary weir gate with anti-backflow structure is provided to overcome the above-mentioned defects. CONTENT OF THE UTILITY MODEL

[0005] The utility model provides a liquid drive rotary weir gate with anti-backflow structure to solve the problem of sealing failure and backflow caused by the partial gaps at the component part of the weir gate.

[0006] The utility model realizes the above-mentioned purpose through the following technical scheme: a liquid drive rotary weir gate with anti-backflow structure, comprising a frame, a weir plate is rotatably connected in the inside of the frame, and a receiving frame is fixed below the inside of the frame, a rotating block is fixed to the bottom end of the weir plate, and a supporting rod penetrates through the inside of the rotating block, a connecting block is embedded at the front end of the weir plate, and a sealing mechanism is arranged below the connecting block at the front end of the weir plate.

[0007] The sealing mechanism comprises a fixed shell, the fixed shell is fixed below the connecting block at the front end of the weir plate, a hydraulic rod is embedded in the inside of the fixed shell, a connecting plate is connected to the power output end of the hydraulic rod, a fixed block is fixed to the bottom end of the connecting plate, a sealing gasket is sleeved to the outside of the fixed block, and a limiting plate is fixed to one side of the receiving frame in the frame.

[0008] As a further scheme of the utility model: the support rod is penetrated to the inside of the rotating block, and the rotating block constitutes a rotating structure with the support rod and the receiving frame.

[0009] As a further scheme of the utility model: the connecting plate and the fixed block are perpendicular to each other, and a sliding structure is formed between the connecting plate and the fixed shell.

[0010] As a further scheme of the utility model: the structure of the limiting plate is a U-shaped structure, and the limiting plate is closely attached to the sealing gasket.

[0011] As a further scheme of the utility model: the outer wall of the weir plate is provided with a plugging mechanism, the plugging mechanism comprises a mounting shell, the mounting shell is fixed at the rear end of the weir plate, and a ventilation pipe is penetrated into the mounting shell.

[0012] As a further scheme of the utility model: the plugging mechanism further comprises a protective layer, the protective layer is arranged in the mounting shell, and a gas bag is arranged in the protective layer.

[0013] As a further scheme of the utility model: the gas bag is connected with the protective layer by sewing, and the gas bag is communicated with the ventilation pipe.

[0014] The utility model discloses the beneficial effect is: through hydraulic power equipment and connecting block connection, through the cooperation of receiving frame, rotating block and support rod, can make weir plate rotate in the frame and open and close, when weir plate closes, through the hydraulic rod work in fixed shell, push connecting plate along fixed shell stable sliding, so that fixed block drives sealing gasket to wear fixed shell, one side attaches limiting plate, one side attaches connecting block component, so that the sealing effect is avoided to appear the gap and leads to the situation of backfilling, when weir plate is closed, through the cooperation of external air pump equipment, gas medium is transported into gas bag through ventilation pipe, gas bag is fixed with mounting shell, ventilation pipe is penetrated into mounting shell and is inserted into gas bag and is communicated, so that the gas bag is unfolded and slightly greater than the size of weir plate, can close the gap between weir plate and frame and play airtightness, avoid the situation of leakage backfilling, and the protective layer is arranged outside the gas bag and is protected to prevent the situation of scratching. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is whole structure schematic view of the utility model;

[0016] Figure 2 It is fixed shell internal structure schematic view of the utility model;

[0017] Figure 3 It is mounting shell structure schematic view of the utility model;

[0018] Figure 4 It is protective layer structure schematic view of the utility model;

[0019] Figure 5 The utility model air bag structure schematic view.

[0020] In the drawing: 1, frame body;2, weir plate;3, connecting block;4, receiving frame;5, rotating block;6, support rod;7, closing mechanism;701, fixed shell;702, hydraulic rod;703, connecting plate;704, fixed block;705, sealing gasket;706, limiting plate;8, plugging mechanism;801, installation shell;802, breather pipe;803, protective layer;804, air bag. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model. Embodiment one

[0022] As Figures 1 to 5 shown, a liquid-driven rotary weir door with anti-backflow structure, including frame body 1, the inside rotationally connected with weir plate 2 of frame body 1, the inside lower part of frame body 1 is fixed with receiving frame 4, the bottom of weir plate 2 is fixed with rotating block 5, the inside of rotating block 5 is penetrated with support rod 6, the front end of weir plate 2 is embedded with connecting block 3, and the lower part of connecting block 3 at the front end of weir plate 2 is provided with closing mechanism 7;The closing mechanism 7 includes fixed shell 701, and the fixed shell 701 is fixed below the front end connecting block 3 of weir plate 2, the inside upper part of fixed shell 701 is embedded with hydraulic rod 702, the power output end of hydraulic rod 702 is connected with connecting plate 703, the bottom of connecting plate 703 is fixed with fixed block 704, the outside of fixed block 704 is sleeved with sealing gasket 705, the side of receiving frame 4 in the inside of frame body 1 is fixed with limiting plate 706, support rod 6 penetrates to the inside of rotating block 5, rotating block 5 forms rotating structure between receiving frame 4 through support rod 6, connecting plate 703 and fixed block 704 are perpendicular to each other, connecting plate 703 and fixed shell 701 form sliding structure, the structure of limiting plate 706 is U-shaped structure, and limiting plate 706 is closely attached with sealing gasket 705;Through the connection of hydraulic power equipment and connecting block 3, through the cooperation of receiving frame 4, rotating block 5 and support rod 6, weir plate 2 can rotate in the inside of frame body 1 to open and close, when weir plate 2 is closed, the inside hydraulic rod 702 of fixed shell 701 works, pushes connecting plate 703 to slide stably along fixed shell 701, so that fixed block 704 drives sealing gasket 705 to penetrate fixed shell 701, one side is attached with limiting plate 706, and the other side is attached with connecting block 3 and other components, so as to play a sealing effect to avoid the backflow caused by the gap. Embodiment two

[0023] In addition to comprising all the technical features in embodiment one, the utility model also comprises that the outer wall of the weir plate 2 is provided with a sealing mechanism 8, the sealing mechanism 8 comprises a mounting shell 801 fixed at the rear end of the weir plate 2, a breather pipe 802 is led out in the inside of the mounting shell 801, the sealing mechanism 8 also comprises a protective layer 803 arranged in the inside of the mounting shell 801, the inside of the protective layer 803 is provided with an air bag 804, the air bag 804 is connected with the protective layer 803 by sewing, and the air bag 804 communicates with the breather pipe 802; when the weir plate 2 is in a closed state, the gas medium is transported into the air bag 804 through the breather pipe 802 by cooperating with an external air pump device, the air bag 804 is fixed with the mounting shell 801, the breather pipe 802 penetrates the mounting shell 801 and is inserted into the air bag 804 to communicate, so that the air bag 804 is unfolded and slightly larger than the size of the weir plate 2, which can seal the gap between the weir plate 2 and the frame 1 to improve the sealing performance and avoid the leakage and backflow situation, and the protective layer 803 arranged outside the air bag 804 can protect the air bag 804 from being scratched.

[0024] Working principle: by connecting the connecting block 3 with the hydraulic cylinder and other power equipment, the weir plate 2 can be closed and opened in the frame 1 through the cooperation of the supporting frame 4, the rotating block 5 and the supporting rod 6, when closed, the hydraulic rod 702 in the fixed shell 701 works to push the connecting plate 703 to drive the fixed block 704, so that the sealing gasket 705 penetrates the fixed shell 701 and slides against the limiting plate 706 to shield and close the supporting frame 4, the rotating block 5 and the supporting rod 6 to avoid the gap and backflow situation, and the air pump machine outside the frame 1 transports the gas into the air bag 804 in the mounting shell 801 through the breather pipe 802, so that the air bag 804 is filled and adheres to the outer wall of the weir plate 2 to further improve the sealing effect, and the protective layer 803 arranged outside the air bag 804 improves the protection effect to avoid scratching and damage.

[0025] It is obvious for those skilled in the art that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0026] Furthermore, it should be understood that although the specification is described in terms of embodiments, not every embodiment includes every feature or implementation described herein. The specification can include implicit combinations of explicitly mentioned features and / or implicit combinations of implicitly mentioned features. Such combinations are also expressly included within the scope of the specification and an embodiment.

Claims

1. A hydraulic rotary weir gate with an anti-backflow structure, comprising a frame (1), characterized in that: The frame (1) is internally rotatably connected to a weir plate (2), and a receiving frame (4) is fixed to the lower portion of the frame (1). A rotating block (5) is fixed to the bottom end of the weir plate (2), and a support rod (6) extends from the inside of the rotating block (5). A connecting block (3) is embedded in the front end of the weir plate (2), and a closing mechanism (7) is provided below the connecting block (3) at the front end of the weir plate (2). The closing mechanism (7) comprises a fixed shell (701), the fixed shell (701) being fixed below the front end connecting block (3) of the weir plate (2), and a hydraulic rod (702) being embedded in the upper part of the fixed shell (701), the power output end of the hydraulic rod (702) being connected to a connecting plate (703), and a fixed block (704) being fixed to the bottom end of the connecting plate (703), the outer portion of the fixed block (704) being provided with a sealing gasket (705), and a limiting plate (706) being fixed to one side of the supporting frame (4) inside the frame body (1).

2. The hydraulic rotary weir gate with anti-backflow structure according to claim 1, characterized in that: The support rod (6) penetrates into the interior of the rotating block (5), and the rotating block (5) forms a rotating structure through the support rod (6) and the supporting frame (4).

3. The hydraulic rotary weir gate with anti-backflow structure according to claim 1, characterized in that: The connecting plate (703) and the fixed block (704) are perpendicular to each other, and a sliding structure is formed between the connecting plate (703) and the fixed shell (701).

4. The hydraulic rotary weir gate with a backflow prevention structure according to claim 1, characterized in that: The structure of the limiting plate (706) is a U-shaped structure, and the limiting plate (706) is tightly fitted to the sealing gasket (705).

5. The hydraulic rotary weir gate with anti-backflow structure according to claim 1, characterized in that: The outer wall of the weir plate (2) is provided with a blocking mechanism (8), the blocking mechanism (8) comprising a mounting shell (801), the mounting shell (801) being fixed to the rear end of the weir plate (2), and a vent pipe (802) extending from the interior of the mounting shell (801).

6. The hydraulic rotary weir gate with anti-backflow structure according to claim 5, characterized in that: The blocking mechanism (8) further comprises a protective layer (803), the protective layer (803) being arranged inside the mounting shell (801), and an air bag (804) being arranged inside the protective layer (803).

7. The hydraulic rotary weir gate with a backflow prevention structure according to claim 6, characterized in that: The airbag (804) is sutured to the protective layer (803), and the airbag (804) is in communication with the ventilation tube (802).

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