Flood discharge valve for water conservancy project

Abstract

The flood discharge valve for the water conservancy project comprises a valve body, and the two sides and the lower end of the valve body are fixedly connected with sealing strips; the mounting frame is used for mounting a valve; the driving assembly is used for driving the valve to move up and down; the dismounting device is arranged between the valve and the driving assembly and enables the valve and the driving assembly to be connected with each other; the protection device comprises a plurality of damping rods, and the damping rods are used for buffering impact on the valve; when the water flow impacts the buffer plate, the bolt drives the pushing block to move forwards, the wedge-shaped blocks on the two sides gradually break away from pushing, the clamping rods on the two sides are pulled in the direction close to each other, the clamping rods on the two sides do not make contact with the connecting rod, limiting of the valve can be relieved, and when the water flow impacts the buffer plate, the buffer plate moves backwards; the impact force of the buffer spring and the damping rod is counteracted and absorbed to a certain degree, and finally the buffering effect is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of hydraulic engineering, and specifically relates to a flood discharge valve for hydraulic engineering. BACKGROUND

[0002] The flood discharge valve is a working gate for discharging flood and regulating and controlling the water level of a reservoir, which has the ability to bear various static and dynamic loads, can be opened and closed in moving water, and has good structure and hydraulic characteristics. The flow pattern of the flood discharge gate directly affects the reliability of the gate operation. Under high-speed water flow, it often causes vibration, cavitation, erosion or aggravation of sediment abrasion of the gate and the building where it is located. After long-term use of the gate, damage often occurs, and the gate needs to be disassembled and replaced

[0003] The utility model patent with publication number CN217026956U discloses a flood discharge valve for hydraulic engineering, which comprises a foundation frame, a first valve, a second valve, a third valve and a fourth valve are sequentially arranged in the foundation frame and slide in the foundation frame, a valve opening device is arranged on the upper side of the foundation frame, a support is arranged on one side of the foundation frame bottom plate extending horizontally, a motor is arranged on the support, the motor is electrically connected with the valve opening device, the motor is provided with a screw rod, and the screw rod is threadedly connected with the first valve, the second valve, the third valve and the fourth valve. The utility model has novel structure and simple principle, can measure the height of the water level, can open the valve to discharge flood in stages when the height reaches a certain value, saves energy to the maximum, avoids complete opening in unnecessary cases, can well control the water quantity of the downstream, and avoids flood hazards caused by complete opening of the downstream.

[0004] The existing technology still has some problems: 1. After long-term use of the valve in water, the service life of the valve is reduced due to water impact, sediment abrasion, rust and other reasons, and the valve needs to be replaced or disassembled and maintained to ensure the reliability of its operation. The device cannot replace the valve simply, which causes time-consuming and labor-consuming replacement.

[0005] 2. The device does not have protective measures for the valve, and the valve is directly impacted by water flow, which reduces the service life of the valve and accelerates the disassembly and replacement cycle, and the practicality is low. UTILITY MODEL CONTENTS

[0006] The technical problem to be solved by the utility model is to overcome the above-mentioned defects, and to provide a flood discharge valve for hydraulic engineering.

[0007] To solve the above technical problems, the technical scheme provided by the utility model is:

[0008] A flood discharge valve for hydraulic engineering, comprising:

[0009] The valve is fixedly connected with sealing strips on both sides and the lower end;

[0010] The mounting frame is used for mounting the valve;

[0011] The driving assembly is used for driving the valve to move up and down;

[0012] The dismounting device is arranged between the valve and the driving assembly and connects them with each other;

[0013] The protection device comprises a plurality of damping rods for buffering the impact on the valve;

[0014] As an improvement, the lower part of the mounting frame is fixedly connected with sliding rails on both sides and the upper end, the sealing strips are used in cooperation with the sliding rails, and the sealing strips are slidingly connected in the sliding rails.

[0015] As an improvement, the driving assembly comprises a threaded sleeve, the threaded sleeve is rotationally connected to the middle part of the upper end of the mounting frame, a threaded rod is screwedly connected in the threaded sleeve, and the lower end of the threaded rod extends to the lower part through the threaded sleeve.

[0016] As an improvement, the upper end of the threaded sleeve is fixedly connected with a gear one, one side of the gear one is meshingly connected with a gear two, the lower end of the gear two is fixedly connected with a motor, and the motor is fixedly connected to the mounting frame.

[0017] As an improvement, the dismounting device comprises a box body, the box body is rotationally connected to the lower end of the threaded rod, a cavity one is formed in the box body, a threaded hole is formed in the front end of the box body, the threaded hole is in communication with the cavity one, a bolt is screwedly connected in the threaded hole, the rear end of the bolt extends to the cavity one through the threaded hole and is rotationally connected with a pushing block.

[0018] As an improvement, the cavity one is provided with a cavity two on both sides of the box body, the upper end of the valve is fixedly connected with a connecting rod, the connecting rods on both sides are arranged in the cavities two on both sides, the cavity one is fixedly connected with a fixed plate on both sides, the pushing block is provided with a wedge-shaped block on both sides, and the wedge-shaped block is used in cooperation with the pushing block.

[0019] As an improvement, the wedge-shaped blocks on both sides are fixedly connected with clamping rods at the ends away from each other, the clamping rods on both sides are respectively extended to the cavities two through the fixed plates on both sides at the ends away from each other, the clamping rods are provided with telescopic springs outside, and the telescopic springs are respectively fixedly connected to the wedge-shaped blocks and the fixed plates at both ends.

[0020] As improvement, the damping rod is uniformly fixedly connected to the front end of the valve, a buffer plate is fixedly connected to the front end of the damping rod, the front end of the buffer plate is arc-shaped, a buffer spring is sleeved on the outer side of the damping rod, and the front end and the rear end of the buffer spring are fixedly connected to the buffer plate and the valve respectively.

[0021] The utility model discloses compared with prior art has the advantages that 1, first rotation bolt makes it move forward, drive the push block forward, the wedge block of both sides gradually separates the push, under the resilience of the telescopic spring of both sides, the clamping rod of both sides is drawn to the direction of mutual approach, the clamping rod of both sides does not contact with connecting rod, can release the location of valve, can carry out the change maintenance.

[0022] 2, when water flow hits the buffer plate, the buffer plate moves backward, compresses the buffer spring and the damping rod, makes the buffer spring and the damping rod produce deformation, the buffer spring and the damping rod release deformation force in the deformation process, a certain degree of offset and absorption is carried out to the impact force through the deformation force, finally reaches the effect of buffering, protects the valve, increases the service life. BRIEF DESCRIPTION OF DRAWINGS

[0023] Fig. 1 It is the three-dimensional schematic diagram of the utility model;

[0024] Fig. 2 It is the valve schematic diagram of the utility model;

[0025] Fig. 3 It is the enlarged view of A area in 1 figure;

[0026] Fig. 4 It is the partial sectional view of the utility model;

[0027] Fig. 5 It is the component schematic diagram of the utility model;

[0028] As shown in the figure: 1, valve; 2, sealing strip; 3, mounting frame; 4, dismounting device; 5, protection device; 6, damping rod; 7, slide rail; 8, threaded sleeve; 9, threaded rod; 10, gear one; 11, gear two; 12, motor; 13, box body; 14, cavity one; 15, threaded hole; 16, bolt; 17, push block; 18, cavity two; 19, connecting rod; 20, fixed plate; 21, wedge block; 22, clamping rod; 23, telescopic spring; 24, buffer plate; 25, buffer spring. DETAILED DESCRIPTION

[0029] The utility model makes further detailed description in combination with the drawings.

[0030] In combination with the drawings Figs. 1-4The utility model relates to a flood discharge valve for hydraulic engineering mainly includes: valve 1, mounting bracket 3, drive assembly, dismounting device 4, protection device 5. Mounting bracket 3 is installed in the place needing water level detection, and mounting bracket 3 is used to install valve 1, and both sides and lower end of valve 1 are fixedly connected with sealing strip 2, and the lower part both sides of mounting bracket 3 and the upper part of lower end are fixedly connected with slide rail 7, and sealing strip 2 and slide rail 7 are used in coordination, and sealing strip 2 is slidably connected in slide rail 7 to guarantee the sealing property of valve 1.

[0031] Drive assembly is used to drive valve 1 to move up and down, and drive assembly includes threaded sleeve 8, threaded sleeve 8 is rotatably connected to the upper middle part of mounting bracket 3, threaded rod 9 is screwedly connected in threaded sleeve 8, threaded rod 9 lower end extends to below through threaded sleeve 8, gear one 10 is fixedly connected on the upper end of threaded sleeve 8, gear two 11 is meshingly connected on one side of gear one 10, motor 12 is fixedly connected on the lower end of gear two 11, and mounting bracket 3 is fixedly connected on the upper end of gear two 11, and dismounting device 4 is arranged between valve 1 and drive assembly and is connected with each other, and dismounting device 4 includes box body 13, and box body 13 is rotatably connected to the lower end of threaded rod 9.

[0032] Motor 12 drives gear two 11 to rotate, drives gear one 10 to rotate through the meshing relationship, threaded sleeve 8 rotates, because threaded rod 9 is screwedly connected in threaded sleeve 8, so box body 13 can be pulled upwards or pushed downwards to meet the demand of valve 1 opening to discharge flood, sealing strip 2 slides in slide rail 7, can guarantee the stability of valve 1 movement, when opening and closing valve 1, sealing strip 2 will not be separated from slide rail 7.

[0033] Cavity one 14 is formed in box body 13, threaded hole 15 is formed in the front end of box body 13, threaded hole one 15 is communicated with cavity one 14, threaded hole 15 is screwedly connected with bolt 16, bolt 16 rear end extends to cavity one 14 through threaded hole 15 and is bearingly connected with push block 17, cavity two 18 is formed on both sides of box body 13, connecting rod 19 is fixedly connected on both sides of the upper end of valve 1, and both sides connecting rod 19 are arranged in both sides cavity two 18 respectively.

[0034] The fixed plates 20 are fixedly connected to the two sides of the cavity 14, the wedge blocks 21 are arranged on the two sides of the push block 17, the wedge blocks 21 and the push block 17 are used in cooperation, the mutually faraway ends of the two wedge blocks 21 are fixedly connected with the clamping rods 22, the mutually faraway ends of the two clamping rods 22 extend into the cavity 18 through the two fixed plates 20, the outer side of the clamping rod 22 is provided with the telescopic spring 23, and the two ends of the telescopic spring 23 are fixedly connected to the wedge block 21 and the fixed plate 20 (when the rotating bolt 16 is rotated to push the push block 17 backward, the two wedge blocks 21 are moved to the middle part of the inclined surface on the two sides of the push block 17, so that the connecting rod 19 can be clamped, and the wedge blocks 21 cannot be moved to the front of the push block 17 and separated from the contact).

[0035] When the installation is carried out, the two connecting rods 19 are first inserted into the two cavities 18, then the rotating bolt 16 is rotated, the push block 17 is moved backward, the two wedge blocks 21 are pushed toward the two sides, the telescopic spring 23 is compressed, the two clamping rods 22 are moved toward the two connecting rods 19, and the two connecting rods 19 are clamped and fixed, the mutually faraway ends of the two clamping rods 22 are fixedly connected with a plurality of friction parts, and a plurality of grooves matched with the friction parts are formed in the connecting rod 19, so that the clamping stability is increased.

[0036] When the dismounting is needed, the rotating bolt 16 is first rotated by the motor 12 to drive the threaded rod 9 to rotate, the box body 13 and the valve 1 are driven to move upward, until the two sealing strips 2 are about to be separated from the sliding of the two sliding rails 7, then the rotating bolt 16 is rotated to move forward, the push block 17 is driven to move forward, the two wedge blocks 21 are moved on the inclined surface and gradually separated from the push, under the rebound force of the two telescopic springs 23, the two clamping rods 22 are pulled toward the direction of approaching each other, the mutually faraway ends of the two clamping rods 22 do not clamp and fix the two connecting rods 19, the valve 1 is released from the limiting, the valve 1 is clamped by means of a tool, then the threaded rod 9 is moved upward to leave enough moving space, and then the valve 1 is moved out.

[0037] The protection device 5 comprises a plurality of damping rods 6, the damping rods 6 are used for buffering the impact received by the valve 1, the damping rods 6 are uniformly fixedly connected to the front end of the valve 1, the front end of the damping rod 6 is fixedly connected with the buffer plate 24, and the front end of the buffer plate 24 is arc-shaped, so as to guide the water flow from the front impact to the two sides, the outer side of the damping rod 6 is sleeved with the buffer spring 25, and the front end and the rear end of the buffer spring 25 are fixedly connected to the buffer plate 24 and the valve 1 respectively, when the water flow impacts the buffer plate 24, the buffer plate 24 moves backward to compress the buffer spring 25 and the damping rod 6, so that the buffer spring 25 and the damping rod 6 are deformed, the buffer spring 25 and the damping rod 6 release the deformation force in the deformation process, the deformation force is used for offsetting and absorbing the impact force to a certain extent, and finally the buffering effect is achieved.

[0038] It should be noted that the electrical components appearing in this document are all electrically connected with the external master controller and 220V mains, and the master controller can be a conventional known device such as a computer for control, and the detailed description of the known functions and known components is omitted in the specific embodiments of the present disclosure. In order to ensure the compatibility of the device, the operation means adopted is consistent with the parameters of the market appliances. The information disclosed in this background section is only intended to increase the understanding of the overall background of the present application, and should not be regarded as acknowledging or implying in any form that the information constitutes the prior art known to those skilled in the art.

[0039] The above describes the present application and its embodiments, which is not restrictive, and the embodiments shown in the drawings are only one of the embodiments of the present application, and the actual structure is not limited thereto. In summary, if a person skilled in the art is inspired thereby, without departing from the creative spirit of the present application, without creative design, similar structure and embodiments similar to the technical solution, which should belong to the protection scope of the present application.

Claims

1. A flood release valve for hydraulic structures, characterized in that, Include: Valve (1), both sides and lower end of the valve (1) are fixedly connected with sealing strip (2); Mounting bracket (3), the mounting bracket (3) is used for mounting valve (1); Drive assembly, the drive assembly is used for driving valve (1) up and down; Dismounting device (4), the dismounting device (4) is arranged between valve (1) and drive assembly, and is connected with each other; Protective device (5), the protective device (5) includes a plurality of damping rods (6), the damping rod (6) is used for buffering the impact received by valve (1).

2. The floodgate according to claim 1, wherein: The lower part of both sides of the mounting bracket (3) is fixedly connected with the sliding rail (7), and the sealing strip (2) and the sliding rail (7) are used in cooperation, and the sealing strip (2) is slidably connected in the sliding rail (7).

3. The floodgate according to claim 1, wherein: The drive assembly includes a threaded sleeve (8), the threaded sleeve (8) is rotatably connected to the upper end of the mounting bracket (3), the threaded sleeve (8) is threadedly connected with a threaded rod (9), and the lower end of the threaded rod (9) extends to the lower side through the threaded sleeve (8).

4. The floodgate according to claim 3, wherein: The upper end of the threaded sleeve (8) is fixedly connected with a gear one (10), one side of the gear one (10) is engagedly connected with a gear two (11), the lower end of the gear two (11) is fixedly connected with a motor (12), and the motor (12) is fixedly connected to the mounting bracket (3).

5. The hydraulic floodgate valve of claim 1, wherein: The dismounting device (4) includes a box body (13), the box body (13) is rotatably connected to the lower end of the threaded rod (9), the box body (13) is provided with a cavity one (14) in the box body (13), the box body (13) is provided with a threaded hole (15) in the front end, the threaded hole (15) is communicated with the cavity one (14), the threaded hole (15) is threadedly connected with a bolt (16), the bolt (16) extends to the cavity one (14) through the threaded hole (15) and is rotatably connected with a push block (17).

6. The floodgate according to claim 5, wherein: The cavity two (18) is provided on both sides of the cavity one (14), the upper end of the valve (1) is fixedly connected with a connecting rod (19), the connecting rod (19) is arranged in the cavity two (18) on both sides, the cavity one (14) is fixedly connected with a fixed plate (20) on both sides, the push block (17) is provided with a wedge block (21) on both sides, and the wedge block (21) and the push block (17) are used in cooperation.

7. The hydraulic floodgate valve of claim 6, wherein: The wedge block (21) is fixedly connected with a clamping rod (22) at the end away from each other, the clamping rod (22) extends to the cavity two (18) through the fixed plate (20) on both sides, and the clamping rod (22) is provided with a telescopic spring (23) outside.

8. The hydraulic floodgate valve of claim 1, wherein: The damping rod (6) is fixedly connected to the front end of the valve (1), the damping rod (6) is fixedly connected with a buffer plate (24) at the front end, the buffer plate (24) is arc-shaped at the front end, the damping rod (6) is sleeved with a buffer spring (25) outside, and the buffer spring (25) is fixedly connected to the buffer plate (24) and the valve (1) at the front and rear ends.

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