Water conservancy project overflow weir adjusting gate

Abstract

The utility model discloses a hydraulic engineering overflow weir regulating gate, which belongs to the technical field of regulating gates, and comprises a mounting frame and a buffer mechanism, the upper end of the mounting frame is internally provided with a mounting cavity, the mounting cavity is internally and rotatably provided with a rotating rod, one side of the rotating rod is provided with a positive and negative motor, and the output end of the positive and negative motor is fixedly connected with one end of the rotating rod; a steel wire rope is wound on the outer wall of the rotating rod, one end of the steel wire rope penetrates through the mounting cavity and extends to the position below the mounting cavity, a fixing ring is fixedly connected to one end of the steel wire rope, a sleeve is arranged at the bottom of the fixing ring, and a buffering mechanism is arranged in the sleeve. Through the design of the sleeve, the steel wire ropes, the fixing ring, the gate, the mounting cavity, the rotating rod and the forward and reverse motor, the gate can be driven to ascend and descend through the multiple steel wire ropes, the lifting load of the gate can be reduced, the service life of the gate can be prolonged, and the water flow of the overflow weir can be adjusted by controlling the ascending and descending degree of the gate.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of regulating gate, concretely is a water conservancy project overflow weir regulating gate. BACKGROUND

[0002] The bank spillway in the water conservancy and hydropower engineering includes an overflow weir, a spillway and energy dissipation facilities; the overflow weir usually adopts a practical weir, a wide-top weir and a hump weir type; the bank overflow channel arrangement type usually adopts a normal slot type and a side slot type; the spillway axis of the normal slot type spillway is orthogonal to the overflow weir axis, and the over-weir water flow direction is parallel to the spillway axis; the over-weir water flow of the side slot type spillway is nearly vertical to the spillway axis; the normal weir flow coefficient is slightly large, and the water flow condition behind the weir is better; the circulation and eddy current phenomenon easily occurs behind the side weir, especially for the low weir and low water head condition; the normal weir and the side weir are combined, stress concentration occurs at the weir body intersection, the weir body structure is complex, and the flow state behind the weir is disorderly.

[0003] According to the search, the patent with the patent publication number CN209853784U discloses a weir gate device for adjusting water level, which comprises a weir gate frame, a weir gate plate and a plane bearing; the weir gate frame is fixed longitudinally on the dam body; sliding grooves are formed in the inner side walls of the weir gate frame; the plane bearing comprises a plane retainer fixed longitudinally on the backwater side of the sliding groove, and the plane retainer is located between the weir gate frame and the weir gate plate; a plurality of rolling grooves are arranged on the water side of the plane retainer from top to bottom at intervals; a rotating shaft is fixed horizontally in the rolling groove; a rolling body is arranged on the rotating shaft; the water side of the rolling body is in close contact with the weir gate plate; a lifting device for driving the weir gate plate to move up and down is arranged at the upper end of the weir gate plate, and the friction between the weir gate plate and the weir gate frame is reduced by rotating the rolling body through the up-and-down movement of the weir gate plate; the utility model can effectively reduce the resistance of the up-and-down movement of the weir gate plate and provide buffer protection for the weir gate plate.

[0004] However, the above design still has some problems, in the above design, the handle or the motor drives the screw rod to rotate and cooperate, so as to realize the lifting or lowering of the gate, but the lifting load pressure of the gate is large under the action of water pressure, and the service life is low. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a water conservancy project overflow weir regulating gate to solve the problems in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical scheme: A water conservancy project overflow weir regulating gate, including installation frame and buffer mechanism, the upper end inside of installation frame is equipped with installation cavity, the inside rotation of installation cavity is provided with the rotation bar, one side of rotation bar is installed with positive and negative motor, and the output of positive and negative motor is fixedly connected with one end of rotation bar, the outer wall of rotation bar is wound with wire rope, and one end of wire rope penetrates installation cavity and extends to below installation cavity, one end of wire rope is fixedly connected with fixed ring, the bottom of fixed ring is provided with sleeve, the inside of sleeve is provided with buffer mechanism, the bottom of sleeve is fixedly connected with gate.

[0007] As a further scheme of the utility model: The buffer mechanism includes a fixed cavity, an activity plate is movably arranged in the fixed cavity, the top of the activity plate is fixedly connected with a connecting rod, and the top of the connecting rod is fixedly connected with the bottom of the fixed ring.

[0008] As a further scheme of the utility model: A spring is sleeved on the outer wall of the connecting rod, and the spring is made of titanium alloy material.

[0009] As a further scheme of the utility model: Slotted holes are formed in the two sides of the activity plate, and sliding blocks are slidably connected to the inner walls of the slotted holes.

[0010] As a further scheme of the utility model: The number of sleeves is five, and the shape of the sleeves is cylindrical.

[0011] As a further scheme of the utility model: A limiting groove is formed in the inner bottom end of the installation frame, a limiting block is movably arranged in the limiting groove, and the top of the limiting block is fixedly connected with the bottom of the gate.

[0012] The utility model has the advantages of:

[0013] (1) Through the design of sleeve, wire rope, fixed ring, gate, installation cavity, rotation bar and positive and negative motor, the gate can be lifted by multiple wire ropes, the lifting load of the gate can be reduced, the service life can be improved, and the water flow of the overflow weir can be adjusted by controlling the lifting degree of the gate.

[0014] (2) Through the structural design of the buffer mechanism, the pulling force on the gate during the lifting process can be effectively reduced, thereby prolonging the service life of the wire rope. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1The whole structure three-dimensional partial schematic view of the utility model is shown in the figure.

[0016] Figure 2 The main view internal partial structure schematic view of the utility model is shown in the figure.

[0017] Figure 3 The A place enlarged partial structure schematic view of the utility model is shown in the figure.

[0018] In the figure: 1, mounting frame; 2, sleeve; 3, steel wire rope; 4, fixed ring; 5, gate; 6, mounting cavity; 7, rotating rod; 8, limiting groove; 9, buffer mechanism; 901, fixed cavity; 902, sliding groove; 903, sliding block; 904, connecting rod; 905, spring; 906, movable plate; 10, forward and reverse motor; 11, limiting block. DETAILED DESCRIPTION

[0019] In order to make the skilled in the art better understand the technical scheme of the utility model, the utility model is described in detail below in combination with the drawings, and the description in this part is only exemplary and explanatory, and should not have any limiting effect on the protection scope of the utility model.

[0020] It should be noted that: similar signs and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0021] It should be noted that: similar signs and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0022] In addition, the terms "horizontal", "vertical", "overhang" and the like do not mean that the components must be absolutely horizontal or overhanging, but can be slightly inclined. For example, "horizontal" only means that its direction is relatively more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0023] In the description of the utility model, still need explaining, unless another explicit provision and limitation, term "arrangement", "installation", "link", "connection" should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected, can be mechanical connection, also can be electrical connection, can be direct connection, also can through the intermediate medium indirectly connect, can be two element inside the intercommunication. For ordinary skilled person in the art, can understand the specific meaning of the above-mentioned term in the utility model according to specific circumstances.

[0024] Please refer to Figures 1-3 The utility model provides an embodiment: a water conservancy project overflow weir regulating gate, including installation frame 1 and buffer mechanism 9, the upper end inside installation cavity 6 of installation frame 1 is set up, the inside rotation of installation cavity 6 is provided with the rotation bar 7, the rotation bar 7 one side is installed with positive and negative motor 10, and the output of positive and negative motor 10 is fixedly connected with the one end of rotation bar 7, and the outer wall of rotation bar 7 is wound with steel wire rope 3, and one end of steel wire rope 3 penetrates installation cavity 6 and extends to the below of installation cavity 6;

[0025] Specifically, as shown in Figure 1 And Figure 2 When it is needed to lift or lower the gate 5 during use, the rotation bar 7 can be driven to rotate by the output end of the positive and negative motor 10, the steel wire rope 3 is moved by the rotation of the rotation bar 7, and the gate 5 is finally moved by the steel wire rope 3 moving through the fixed ring 4. By controlling the lifting degree of the gate 5, the water flow of the overflow weir can be adjusted, and the problem that the gate 5 has a large lifting load pressure and a low service life under the action of water pressure when the handle or the motor driven screw rod rotation cooperation mode is used to lift or lower the gate 5 is solved.

[0026] One end of the steel wire rope 3 is fixedly connected with the fixed ring 4, the bottom of the fixed ring 4 is provided with the sleeve 2, the number of the sleeve 2 is five, the shape of the sleeve 2 is cylindrical, the inside of the sleeve 2 is provided with the buffer mechanism 9, the buffer mechanism 9 includes the fixed cavity 901, the inside of the fixed cavity 901 movably provided with the movable plate 906, the top of the movable plate 906 is fixedly connected with the connecting rod 904, and the top of the connecting rod 904 is fixedly connected with the bottom of the fixed ring 4, the outer wall of the connecting rod 904 is sleeved with the spring 905, and the spring 905 is made of titanium alloy material, the both sides of the movable plate 906 are provided with the sliding groove 902, the inner wall of the sliding groove 902 is slidably connected with the sliding block 903, and the sliding block 903 is fixedly connected with the movable plate 906, the bottom of the sleeve 2 is fixedly connected with the gate 5, the inside bottom end of the installation frame 1 is provided with the limiting slot 8, the inside of the limiting slot 8 movably provided with the limiting block 11, and the top of the limiting block 11 is fixedly connected with the bottom of the gate 5;

[0027] Specifically, as shown in Figure 1 、 Figure 2And Figure 3 As shown, when the gate 5 is lifted by the steel wire rope 3, the movable plate 906 is moved by the connecting rod 904 at the moment, the movable plate 906 is moved to make the spring 905 deformed, the elasticity of the spring 905 can effectively slow down the pulling force of the steel wire rope 3 at the moment, thereby prolonging the service life of the steel wire rope 3.

[0028] The bottom of the gate 5 in the mounting frame 1 is limited to a certain extent by the limiting groove 8 and the limiting block 11.

[0029] The working principle is that when the gate 5 needs to be lifted or lowered, the output end of the reversible motor 10 drives the rotating rod 7 to rotate, the rotating rod 7 drives the steel wire rope 3 to move, the steel wire rope 3 drives the gate 5 to move through the fixed ring 4, the lifting degree of the gate 5 is controlled to adjust the water flow of the overflow weir, and the elasticity of the spring 905 can effectively slow down the pulling force of the steel wire rope 3 at the moment, thereby prolonging the service life of the steel wire rope 3.

[0030] The standard parts used in the application file can be purchased from the market, and can be ordered according to the description and the drawings, and the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, and the mechanical parts and equipment adopt the conventional type in the prior art, and the electrical elements in the application are externally connected to the power supply and the control switch when used, the control mode is automatically controlled by the controller, the control circuit of the controller can be realized by simple programming of the person skilled in the art, and it is common knowledge in the art, so the control mode and the circuit connection of the application will not be explained in detail, and the external controller mentioned in the description can control the electrical elements mentioned in the text, and the external controller is a conventional known device.

[0031] It should be noted that in this paper, the term "includes", "contains" or any other variant thereof is intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or includes elements inherent to such process, method, article or device.

[0032] The principle and implementation mode of the present application are described by using specific examples herein, and the above examples are only used for helping to understand the method and core idea of the present application. The above is only the preferred implementation mode of the present application, and it should be pointed out that, due to the limited nature of the expression, there are objectively infinite specific structures, and for ordinary skilled persons in the technical field, without departing from the principle of the present application, a number of improvements, refinements or changes can be made, and the above technical features can be combined in an appropriate manner; the improvements, refinements, changes or combinations, or the direct application of the concept and technical solution of the present application to other occasions without improvement, should be regarded as the protection scope of the present application.

Claims

1. A regulating gate for overflow weirs in hydraulic engineering, comprising a mounting frame (1) and a buffer mechanism (9), characterized in that: The upper end of the mounting frame (1) is internally provided with a mounting cavity (6), a rotating rod (7) is arranged in the mounting cavity (6), a reversible motor (10) is mounted on one side of the rotating rod (7), the output end of the reversible motor (10) is fixedly connected with one end of the rotating rod (7), a steel wire rope (3) is wound on the outer wall of the rotating rod (7), one end of the steel wire rope (3) penetrates through the mounting cavity (6) and extends below the mounting cavity (6), one end of the steel wire rope (3) is fixedly connected with a fixed ring (4), a sleeve (2) is arranged at the bottom of the fixed ring (4), a buffer mechanism (9) is arranged in the sleeve (2), and a gate (5) is fixedly connected to the bottom of the sleeve (2).

2. The regulating gate for overflow weir of hydraulic engineering according to claim 1, characterized in that: The buffer mechanism (9) comprises a fixed cavity (901), and a movable plate (906) is movably arranged in the fixed cavity (901).

3. The regulating gate for overflow weir of hydraulic engineering according to claim 2, characterized in that: A spring (905) is sleeved on the outer wall of the connecting rod (904), and the spring (905) is made of titanium alloy material.

4. The regulating gate for overflow weir of hydraulic engineering according to claim 3, characterized in that: Sliding grooves (902) are formed in the two sides of the movable plate (906), and sliding blocks (903) are slidably connected to the inner walls of the sliding grooves (902).

5. The regulating gate for overflow weir of hydraulic engineering according to claim 1, characterized in that: The number of the sleeves (2) is five, and the sleeves (2) are in the shape of a cylinder.

6. The regulating gate for overflow weir of hydraulic engineering according to claim 1, characterized in that: A limiting groove (8) is formed in the inner bottom end of the mounting frame (1), and a limiting block (11) is movably arranged in the limiting groove (8). The top of the limiting block (11) is fixedly connected with the bottom of the gate (5).

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