CN110274059B - Bearing type flapper with lock and use method thereof in reservoir siphon water change - Google Patents

Bearing type flapper with lock and use method thereof in reservoir siphon water change Download PDF

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Publication number
CN110274059B
CN110274059B CN201910554195.7A CN201910554195A CN110274059B CN 110274059 B CN110274059 B CN 110274059B CN 201910554195 A CN201910554195 A CN 201910554195A CN 110274059 B CN110274059 B CN 110274059B
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China
Prior art keywords
flap valve
lock
water
linkage
lock tongue
Prior art date
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Application number
CN201910554195.7A
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Chinese (zh)
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CN110274059A (en
Inventor
王宗志
程亮
刘克琳
叶爱玲
杜慧华
王坤
姜蓓蕾
张伟
郭照河
张明芳
刘建光
汪哲荪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanjing Hydraulic Research Institute of National Energy Administration Ministry of Transport Ministry of Water Resources
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Nanjing Hydraulic Research Institute of National Energy Administration Ministry of Transport Ministry of Water Resources
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Priority to CN201910554195.7A priority Critical patent/CN110274059B/en
Publication of CN110274059A publication Critical patent/CN110274059A/en
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Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B1/00Equipment or apparatus for, or methods of, general hydraulic engineering, e.g. protection of constructions against ice-strains
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K15/00Check valves
    • F16K15/02Check valves with guided rigid valve members
    • F16K15/03Check valves with guided rigid valve members with a hinged closure member or with a pivoted closure member
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K15/00Check valves
    • F16K15/18Check valves with actuating mechanism; Combined check valves and actuated valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00Actuating devices; Operating means; Releasing devices
    • F16K31/12Actuating devices; Operating means; Releasing devices actuated by fluid
    • F16K31/122Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K35/00Means to prevent accidental or unauthorised actuation
    • F16K35/02Means to prevent accidental or unauthorised actuation to be locked or disconnected by means of a pushing or pulling action
    • F16K35/022Means to prevent accidental or unauthorised actuation to be locked or disconnected by means of a pushing or pulling action the locking mechanism being actuated by a separate actuating element
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K37/00Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
    • F16K37/0075For recording or indicating the functioning of a valve in combination with test equipment
    • F16K37/0083For recording or indicating the functioning of a valve in combination with test equipment by measuring valve parameters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K47/00Means in valves for absorbing fluid energy
    • F16K47/02Means in valves for absorbing fluid energy for preventing water-hammer or noise

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Safety Valves (AREA)
  • Barrages (AREA)

Abstract

The invention discloses a pressure-bearing type flap valve with a lock, which comprises a flap valve seat and a flap valve, wherein the top of the flap valve seat is hinged with the flap valve through a hinge shaft, the hinge shaft is provided with a ring seat, the ring seat is provided with a cambered surface lug, one end of a flap valve opening buffer is connected with a bracket, and the other end of the flap valve opening buffer is abutted with the cambered surface lug through an abutting head. A lock tongue is arranged on the flap valve, a lock tongue chamber is arranged on the flap valve seat of the device corresponding to the lock tongue device, the door is provided with a door lock linkage device, and the door lock linkage device comprises a slideway barrel. A linkage cylinder is movably arranged in the slide cylinder, one end of the linkage cylinder is connected with the driving device, a linkage rod is movably arranged in the linkage cylinder, the other end of the linkage rod extends out of the linkage cylinder to be connected with the flap valve, and two sides of the linkage cylinder are connected with the lock tongue device through dowel bars. The invention can bear larger water pressure in the water outlet pipeline, effectively prevent the siphon from reversely flowing in water, integrate the structure of the door lock and the door lock sensor, realize the linkage of opening and closing the door lock and the door lock, and set the door lock opening buffer to resist the impact force of the water flow to the door lock.

Description

Bearing type flapper with lock and use method thereof in reservoir siphon water change
Technical Field
The invention relates to a flap valve, in particular to a pressure-bearing flap valve with a lock and a use method thereof in reservoir siphon water change.
Background
At present, a flap valve which is usually arranged at the water outlet of the water outlet pipeline is used for preventing sundries such as small animals, insects and the like from entering the water outlet pipeline, and cannot bear the water pressure in the water outlet pipeline. In order to enable water to be filled in a water outlet pipeline, a valve can only be installed at a water outlet of the water outlet pipeline, and the problem of high local head loss exists.
Disclosure of Invention
The invention aims to: the invention aims to provide a pressure-bearing type flap valve with a lock, which solves the problem that the flap valve cannot bear the water pressure in a pipeline.
The technical scheme is as follows: the invention discloses a pressure-bearing type flap valve with a lock, which comprises a bracket, a flap valve opening buffer, a flap valve seat and a flap valve, wherein the top of the flap valve seat is hinged with the flap valve through a hinge shaft, the hinge shaft is provided with a ring seat, a cambered surface convex block is arranged on the ring seat, one end of the flap valve opening buffer is connected with the bracket, the other end of the flap valve opening buffer is abutted with the cambered surface convex block through an abutting head, a lock tongue device is arranged on the flap valve, a lock tongue chamber is correspondingly arranged on the flap valve seat and corresponds to the lock tongue device, a door lock linkage device is arranged on the flap valve, the door lock linkage device comprises a slideway barrel, a linkage barrel is movably arranged in the slideway barrel, one end of the linkage barrel is connected with a driving device, a linkage rod is movably arranged in the linkage barrel, one end of the linkage rod extends out of the linkage barrel and is connected with the flap valve, and two sides of the linkage barrel are connected with the lock tongue device through a dowel bar.
The driving device drives the linkage cylinder to move along the slideway cylinder and then drives the linkage rod to move, the linkage rod moves to drive the flap valve to open and close and the spring bolt device to be inserted into the spring bolt chamber, the flap valve is opened and closed to drive the hinge shaft to rotate, and the hinge shaft rotates to drive the cambered surface convex block to rotate.
The spring bolt device comprises a lock seat, a slide way is arranged in the lock seat, a spring bolt, a connecting rod and a connector are sequentially arranged in the slide way, the spring bolt is connected with the movable connector through the connecting rod, the connector is hinged with the dowel bar, a spring is sleeved on the connecting rod, and a groove is formed in the top of the spring bolt.
The inside top of the lock tongue chamber is provided with a chute, and an elastic rib matched with the groove at the top of the lock tongue is movably arranged in the chute.
In order to increase the resistance of the flap valve when just opening, the impact force of the water flow on the flap valve is resisted, the flap valve opening buffer comprises a device seat, one end of the device seat is fixed with the support, the abutting head is movably arranged in the device seat, and a spring is arranged between the abutting head and the device seat.
The driving device is a hydraulic cylinder, and a piston rod of the hydraulic cylinder is hinged with the linkage cylinder.
A spring is arranged between the linkage cylinder and the linkage rod.
The invention discloses an automatic control pressure-bearing type flap valve system with a lock, which comprises a pressure-bearing type flap valve with a lock, a door lock sensor, a flap valve opening and closing sensor and a control chamber, wherein the door lock sensor is arranged in a lock tongue chamber of the pressure-bearing type flap valve with the lock, the flap valve opening and closing sensor is arranged on a bracket, and the door lock sensor, the flap valve opening and closing sensor and a hydraulic cylinder are electrically connected with the control chamber.
The door lock sensor comprises a first magnet and a first Hall element, wherein the magnet is arranged in the middle of the top surface of the elastic rib, the Hall element is arranged in the middle of a chute of the lock tongue chamber, the door-opening sensor comprises a casing, a second magnet, a third magnet, a second Hall element and a third Hall element, the second magnet and the third magnet are arranged on the side surface of the ring seat, and the second Hall element and the third Hall element are arranged in the casing side by side.
The application method of the pressure-bearing type water-changing siphon with the lock flap valve in the reservoir is characterized by comprising the following steps of:
(A) The method comprises the steps of paving a water inlet pipeline on an upstream dam surface of a reservoir dam, installing a water inlet of the water inlet pipeline on a water collecting pool at an upstream dam foot of the dam, paving a hump pipeline on a dam top of the dam, paving a water outlet pipeline on a downstream dam surface of the dam, installing a water outlet of the water outlet pipeline on a retaining wall at a downstream dam foot of the dam, and connecting the water inlet pipeline, the hump pipeline and the water outlet pipeline to form a siphon. The locking flap valve is arranged on the water outlet of the water outlet pipeline, and the air inlet valve, the water delivery valve and the water delivery pipeline are arranged at the water inlet of the hump pipeline.
(B) The hydraulic pipe of the hydraulic cylinder is connected with the control cabinet, and the cables of the air inlet valve, the water delivery valve, the door lock sensor and the flap valve opening and closing sensor are connected with the control cabinet.
(C) When flood discharge and water change are carried out on the reservoir, the control cabinet is operated to extend out of a piston rod of the hydraulic cylinder, the piston rod pushes the door lock linkage, the door lock linkage firstly drives the dowel bar to push out the lock tongue from the lock seat, and then the hinge seat is pushed to rotate the flap valve downwards; the abutting head of the flap valve opening buffer slides against the cambered surface convex block of the ring seat, the third magnet passes through the third Hall element and the second Hall element, and the flap valve opening and closing sensor outputs a signal for starting closing the flap valve; the piston rod of the hydraulic cylinder continues to extend out, the lock tongue is slid into the lock tongue chamber against the outer wall of the lock tongue chamber, the elastic convex edge in the lock tongue chamber falls into the groove on the top surface of the lock tongue, and the flap valve is completely closed on the flap valve seat; the first magnet is close to the first Hall element, and the door lock sensor outputs a signal that the flap valve is locked; the second magnet passes through the third Hall element and the second Hall element, and the flap valve opening and closing sensor outputs a flap valve closing signal.
(D) The control cabinet is operated to open the water delivery valve, water is injected into the water outlet pipeline of the siphon pipe through the water delivery pipe, and after the water outlet pipeline is filled with water, the water delivery valve and the air inlet valve are closed.
(E) Flood discharge water change under the condition that the upstream water level of the reservoir is higher than the downstream water level of the dam: the control cabinet is operated to retract a piston rod of the hydraulic cylinder, the piston rod pulls a door lock linkage, the door lock linkage firstly drives a dowel bar to pull a lock tongue out of a lock tongue chamber, and then pulls a hinged support to rotate a flap valve upwards; the elastic convex edge slides out of the groove on the top surface of the lock tongue, the first magnet leaves the first Hall element, and the door lock sensor outputs a signal that the door lock is opened; the abutting head of the flap valve opening buffer slides against the cambered surface convex block of the ring seat, the second magnet passes through the second Hall element and the third Hall element, and the flap valve opening and closing sensor outputs a signal for starting the flap valve; water is sprayed out from a gap between the flap valve and the flap valve seat, and the flap valve is slowly opened under the action of pushing of the hydraulic cylinder and damping of a flap valve opening buffer; the piston rod of the hydraulic cylinder continues to retract until the flap valve is fully opened; the abutting head is abutted to move to the upper end of the cambered surface lug, the third magnet passes through the second Hall element and the third Hall element, and the flap valve opening and closing sensor outputs a signal for fully opening the flap valve; the water in the water outlet pipeline is discharged from the lock flap valve under the action of gravity, so that negative pressure is formed in the hump pipeline, the water at the upstream of the dam is pressed in from the water inlet of the water inlet pipeline under the action of atmospheric pressure, the water level of the water inlet pipeline is gradually raised, and the water flows into the water outlet pipeline from the hump pipeline; the water injected into the water outlet pipeline is continuously discharged from the flapper with the lock until the siphon forms siphon water discharge, so as to discharge flood to replace the water in the reservoir.
(F) Stopping flood discharge and water changing of the reservoir: and the control cabinet is operated to open an air inlet valve on the water filling port of the hump pipeline, so that air enters the siphon pipe to break the vacuum in the siphon pipe, and the siphon pipe immediately stops discharging flood and changing water.
The beneficial effects are that: the invention can be arranged at the outlet of the siphon to trigger the water discharging and changing of the siphon reservoir, can bear larger water pressure in the water outlet pipeline, effectively prevent the siphon from reversely flowing in water, integrates the structure of the door lock and the door lock sensor, realizes the linkage of opening and closing and locking the flap valve, sets the flap valve opening buffer to resist the impact force of the water flow to the flap valve, adopts the door lock sensor and the flap valve opening and closing sensor so as to automatically control the opening and closing of the flap valve, and has the advantages of safety, reliability, good hydraulic condition, reasonable structure, compact structure, simple and convenient operation and intelligent control.
Drawings
FIG. 1 is a schematic view of the arrangement of a siphon tube and a flapper with lock according to the present invention;
FIG. 2 is a schematic diagram of the front view of the flapper door with the lock of the present invention;
FIG. 3 is a schematic diagram of a cross-sectional side view of a flapper door with a lock of the present invention;
FIG. 4 is a schematic diagram of the front view of the door lock linkage of the present invention;
FIG. 5 is a schematic cross-sectional side view of the lock base and the deadbolt chamber of the present invention;
FIG. 6 is a schematic side sectional view of a door lock sensor of the present invention;
FIG. 7 is a schematic diagram of a side cross-sectional configuration of a flap valve opening damper of the present invention;
in the figure: 1-dike, 2-catchment, 3-dado, 4-intake conduit, 5-hump conduit, 6-outlet conduit, 7-upstream water level, 8-fill port, 9-dead-beat gate, 10-beat gate holder, 11-hinge shaft, 12-stop collar, 13-bracket, 14-beat gate, 15-coil rib, 16-vertical rib, 17-transverse rib, 18-connecting arm, 19-hydraulic cylinder, 20-piston rod, 21-hinge mount, 22-door lock linkage, 23-slide cartridge, 24-linkage cartridge, 25-cylinder cover, 26-linkage rod, 27-retaining plate, 28-spring a, 29-wing, 30-dowel bar, 31-lock mount, 32-tongue, 33-connecting rod, 34-slide, 35-spring b, 36-connector, 37-tongue chamber, 38-groove cover, 39-spring c, 41-first magnet, 42-first magnet, 43-door opening buffer, 44-hall mount, 45-abutment, 46-ring, 48-magnet, 48-hall magnet, third magnet, and third magnet-housing, third magnet-52.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 1-3, a water inlet pipeline 4 is laid on the upstream dam surface of the reservoir dam 1, and the water inlet of the water inlet pipeline 4 is positioned at the water collecting tank 2 at the upstream dam foot of the dam 1; a hump pipeline 5 is laid on the dam top of the dam 1, and the hump pipeline 5 is in a shape of 'E'; a water outlet pipeline 6 is paved on the downstream dam surface of the dam 1, the water outlet section of the water outlet pipeline 6 is a horizontal pipeline, the water outlet section is positioned at the guard bar 3 at the downstream dam foot, and the connected water inlet pipeline 4, hump pipeline 5 and water outlet pipeline 6 form a siphon. The top of the pipeline at the downstream part of the hump pipeline 5 is provided with a water injection port 8, and an air inlet valve, a water delivery valve and a water delivery pipe are arranged on the water injection port 8. The water outlet of the water outlet pipeline 6 is provided with the flapper door 9 with the lock, and the flapper door 9 with the lock is vertically arranged. The seat surface of the flap valve seat 10 with the flap valve 9 is in a circle shape, a hinge connected with the flap valve 14 is arranged at the top of the flap valve seat 10, the flap valve 14 can be opened or closed around a hinge shaft 11 of the hinge, a water stop ring 12 is arranged on a step on the inner side of the seat surface of the flap valve seat 10, and the water stop ring 12 is used for stopping water between the flap valve seat 10 and the flap valve 14. The flap valve 14 is a round door, a ring rib 15 is arranged on the periphery of the top surface of the flap valve 14, a plurality of crossed vertical ribs 16 and transverse ribs 17 are arranged on the top surface of the flap valve 14, two vertical ribs 16 symmetrical to the vertical central line are connecting arms 18, connecting hinges are arranged at the upper ends of the two connecting arms 18, the two connecting hinges are respectively positioned at the edge of the flap valve 14 with the central included angles of 45 DEG and-45 DEG of the vertical central line, and the two connecting hinges are respectively connected with the two ends of the hinge shaft 11. A lock seat 31 is disposed at the lower ends of the two connecting arms 18, and a lock tongue chamber 37 is disposed on each of the door seats 10 at positions corresponding to the two lock seats 31, and the lock tongue 32 in the two lock seats 37 can enter and exit the respective lock tongue chambers 37. The flap valve 14 adopts a structural system of two connecting hinges and four evenly distributed stress supporting points of two lock tongues 32, and jointly supports the water pressure during water injection in the water outlet pipeline 6. A bracket 13 is arranged on the top of the outer side surface of the flap holder 10, and a flap opening buffer 43 and a flap opening and closing sensor are arranged on the bracket 13 and the hinge shaft 11 in a combined way. The hydraulic cylinder 19, the door lock linkage 22 and the hinged support 21 are sequentially connected along the vertical center line of the flap valve 14, the bracket 13 is hinged to the hydraulic cylinder 19, and the door lock linkage 22 and the hinged support 21 are arranged on the top surface of the flap valve 14.
As shown in fig. 4, the base of the door lock linkage 22 has a circular slide cylinder 23 with an omega-shaped cross section. A slide through hole is arranged on two sides of the slide cylinder 23, a linkage cylinder 24 is movably arranged in the slide cylinder, the linkage cylinder 24 has equal outer diameters, and the inner diameter of the front section of the linkage cylinder 24 is larger than that of the rear section. The rear end of the linkage cylinder 24 is hinged to the piston rod 20 of the hydraulic cylinder 19, the front end of the linkage cylinder 24 is provided with a cylinder cover 25, a linkage rod 26 is movably arranged in the linkage cylinder 24, the rear end of the linkage rod 26 in the linkage cylinder 24 is provided with a retaining plate 27, the front end of the linkage rod 26 passes through a through hole in the cylinder cover 25 and is hinged to the hinged support 21, the linkage cylinder 24 is internally provided with a spring a28, the rear end of the spring a28 is abutted against the bottom surface in the linkage cylinder 23, and the front end of the spring a28 is abutted against the retaining plate 27 of the linkage rod 26. Two wing plates 29 are respectively arranged on two sides of the linkage cylinder 23, the two wing plates 29 respectively penetrate through the slide way through holes on two sides of the slide way cylinder 23, and the end parts of the outer extending sections of the two wing plates 29 are respectively hinged with a dowel bar 30.
As shown in fig. 5, a slide rail with a rectangular cross section is provided in the lock base 31, and a lock tongue 32, a connecting rod 33 and a connector 36 are movably provided in the slide rail from front to back in this order. The connector 36 has a square cylindrical shape, and a cover is provided at the front end of the connector 36, and a dowel 30 is hinged to the rear end of the connector 36. A connecting rod 33 is fixed on the rear end face of the lock tongue 32, a sliding plate 34 is arranged at the end part of the connecting rod 33 penetrating through the through hole of the cover, the sliding plate 34 can move in the connector 36, a spring b35 is sleeved on the connecting rod 33, the front end of the spring b35 abuts against the rear end face of the lock tongue 32, and the rear end of the spring b35 abuts against the cover. The lock tongue 32 is square, a transverse groove is arranged on the top surface of the lock tongue 32, the tip of the lock tongue 32 is a cambered surface, and the bottom surface of the front part of the lock tongue 32 is an inclined surface.
As shown in fig. 6, the latch chamber 37 has a rectangular box shape, and the opening of the latch chamber 37 faces the lock base 31. The inner top surface of the lock tongue chamber 37 is provided with a through hole of a strip-shaped chute, the top surface of the lock tongue chamber 37 at the chute part is provided with a chute cover 38, an elastic rib 39 is movably arranged in the chute, the section of the elastic rib 39 is ┳, two ends of the top surface of the elastic rib 39 are provided with springs c40, and the top surfaces of the two springs c40 are supported on the chute cover 38. A first magnet 41 is provided at the center of the top surface of the elastic rib 39, and a first hall element 42 is provided at the center of the inner wall of the chute. When the tip of the bolt 32 reaches the bottom surface in the bolt chamber 37, the elastic rib 39 just falls into the groove on the top surface of the bolt 32, and at this time, the first magnet 41 approaches the first hall element 42, the first hall element 42 outputs a signal that the bolt 32 is locked, and the elastic rib 39, the first magnet 41, the first hall element 42, and the like operate to form a door lock sensor.
As shown in fig. 7, the seat 44 of the flap opening damper 43 has a cylindrical shape, the rear end of the seat 44 is fixed to the bracket 13, and the front end of the seat 44 has a front cover. A propping head 45 is movably arranged in the device seat 44, the front end of the propping head 45 penetrates through the through hole on the front cover, a jacking block is arranged at the end part of the propping head 45 in the device seat 44, the diameter of the jacking block is larger than that of the propping head, a spring d is supported between the bottom surface in the device seat 44 and the jacking block, and the front end of the propping head 45 is arc-shaped. A ring seat 46 is fixed on the hinge shaft 11, a cambered surface convex block 47 is arranged on the ring seat 46, the lower part of the cambered surface convex block 47 is higher than the upper part of the cambered surface convex block, a step is arranged at the joint of the upper end of the cambered surface convex block 47 and the ring seat 46, and the included angle from the upper end to the lower end of the cambered surface convex block 47 to the center of the hinge shaft 11 is 90 degrees. A propping head 45 is propped against the cambered surface convex block 47, and when the flap valve 14 is fully opened, the propping head 45 is propped against the upper end of the cambered surface convex block 47; when the flap valve 14 is closed, the abutment 45 abuts against the lower end of the cambered surface lug 47. A second hall element 49 and a third hall element 50 are arranged side by side in a housing 48 of the flap opening and closing sensor, the housing 48 being fixed to the bracket 13. A second magnet 51 and a third magnet 52 are arranged on the side of the ring seat 46, the second magnet 51 and the third magnet 52 have equal radius from the center of the hinge shaft 11, the second magnet 51 and the third magnet 52 have an included angle of 90 ° from the center of the hinge shaft 11, and the second magnet 51 and the third magnet 52 face the second hall element 49 and the third hall element 50. When the flap valve 14 is opened, the hinge shaft 11 rotates anticlockwise with the ring seat 46, the abutting head 45 abuts against the lower end of the block leaving the cambered surface convex 47, the second magnet 51 approaches the second Hall element 49 and then approaches the third Hall element 50, and the flap valve opening and closing sensor outputs a signal for starting opening the flap valve 14; the hinge shaft 11 carries the ring seat 46 to rotate anticlockwise, the abutment 45 abuts against the step reaching the upper end of the cambered surface lug 47, and the third magnet 52 approaches the second hall element 49 and then approaches the third hall element 50. When the flap valve 14 is fully opened, the magnet approaches the second Hall element 49 and then approaches the third Hall element 50 twice, and the flap valve opening and closing sensor outputs a signal of fully opening the flap valve 14. When the flap valve 14 is closed, the hinge shaft 11 carries the ring seat 46 to rotate clockwise, the abutting head 45 abuts against a step at the upper end of the cambered surface convex block 47, the third magnet 52 approaches the third Hall element 50 and then approaches the second Hall element 49, and the flap valve opening and closing sensor outputs a signal for starting closing the flap valve 14; the hinge shaft 11 carries the ring seat 46 to rotate clockwise, the abutment 45 abuts against the lower end of the cambered surface projection 47, and the second magnet 51 approaches the third hall element 50 and then approaches the second hall element 49. When the flap valve 14 is closed, the magnet approaches the third hall element 50 and then approaches the second hall element 49 twice, and the flap valve opening and closing sensor outputs a signal for closing the flap valve 14. When the flap valve is just opened, the water level in the pipeline is highest and the water flow is the most urgent, so that the impact force on the flap valve is large, and the flap valve is easy to damage. The abutting head of the buffer is abutted against the cambered surface convex block when the flap valve is opened, and the resistance of the flap valve when just opened is increased through the elasticity of the spring in the device seat and the bulge of the cambered surface convex block so as to resist the impact force of water flow on the flap valve.
When the pressure-bearing type automatic initiation siphon reservoir flood discharge water change device is used, the device comprises the following steps:
(1) The method comprises the steps of paving a water inlet pipeline 4 on the upstream dam surface of a reservoir dam 1, installing a water inlet of the water inlet pipeline 4 on a water collecting pool 2 at the upstream dam foot of the dam 1, paving a hump pipeline 5 on the dam top of the dam 1, paving a water outlet pipeline 6 on the downstream dam surface of the dam 1, installing a water outlet of the water outlet pipeline 6 on a guard bar 3 at the downstream dam foot of the dam 1, and connecting the water inlet pipeline 4, the hump pipeline 5 and the water outlet pipeline 6 to form a siphon. The locking flap valve 9 is arranged on the water outlet of the water outlet pipeline 6, and the air inlet valve, the water delivery valve and the water delivery pipe are arranged on the water injection port 8 of the hump pipeline 5.
(2) The hydraulic pipe of the hydraulic cylinder 19 is connected with the control cabinet, and the cables of the air inlet valve, the water delivery valve, the door lock sensor and the flap valve opening and closing sensor are connected with the control cabinet.
(3) When flood discharge and water change are carried out on the reservoir, the control cabinet is operated to extend out of the piston rod 20 of the hydraulic cylinder 19, the piston rod 20 pushes the door lock linkage 22, the door lock linkage 22 firstly drives the dowel bar 30 to push out the lock tongue 32 from the lock seat 31, and then the hinge seat 21 is pushed to rotate the flap valve 14 downwards; the abutting head 45 of the flap valve opening buffer 43 slides against the cambered surface convex block 47 of the ring seat 46, the third magnet 52 passes through the third Hall element 50 and the second Hall element 49, and the flap valve opening and closing sensor outputs a signal for starting closing the flap valve 14; the piston rod 20 of the hydraulic cylinder 19 continues to extend, the lock tongue 32 is slid into the lock tongue chamber 37 against the outer wall of the lock tongue chamber 37, the elastic convex rib 39 in the lock tongue chamber 37 falls into the groove on the top surface of the lock tongue 32, and the flap valve 14 is completely closed on the flap valve seat 10; the first magnet 41 approaches the first hall element 42, and the door lock sensor outputs a signal that the flap valve 14 is locked; the second magnet 51 passes through the third hall element 50 and the second hall element 49, and the flap valve opening and closing sensor outputs a signal for closing the flap valve 14.
(4) The control cabinet is operated to open the water delivery valve, water is injected into the water outlet pipeline 6 of the siphon pipe through the water delivery pipe, and after the water outlet pipeline 6 is filled with water, the water delivery valve and the air inlet valve are closed.
(5) Flood discharge water change of reservoir under the condition that the upstream water level 7 of the dykes and dams 1 is higher than the downstream water level: the control cabinet is operated to retract the piston rod 20 of the hydraulic cylinder 19, the piston rod 20 pulls the door lock linkage 22, the door lock linkage 22 firstly drives the dowel bar 30 to pull the lock tongue 32 out of the lock tongue chamber 37, and then pulls the hinged support 21 to rotate the flap valve 14 upwards; the elastic rib 39 slides out of the groove on the top surface of the lock tongue 32, the first magnet 41 leaves the first Hall element 42, and the door lock sensor outputs a signal that the flap 14 is opened; the abutting head 45 of the flap valve opening buffer 43 slides against the cambered surface convex block 47 of the ring seat 46, the second magnet 51 passes through the second Hall element 49 and the third Hall element 50, and the flap valve opening and closing sensor outputs a signal for starting opening the flap valve 14; water is sprayed out from a gap between the flap valve 14 and the flap valve seat 10, and the flap valve 14 is slowly opened under the action of pushing of the hydraulic cylinder 20 and damping of the flap valve opening buffer 43; piston rod 20 of hydraulic cylinder 19 continues to retract until flap valve 14 is fully opened; the abutting head 45 is abutted and moved to the upper end of the cambered surface lug 47, the third magnet 52 passes through the second Hall element 49 and the third Hall element 50, and the flap valve opening and closing sensor outputs a signal for fully opening the flap valve 14; the water in the water outlet pipeline 6 is discharged from the lock flap valve 9 under the action of gravity, so that negative pressure is formed in the hump pipeline 5, the water at the upstream of the dam 1 is pressed in from the water inlet of the water inlet pipeline 4 under the action of atmospheric pressure, the water level of the water inlet pipeline 4 is gradually raised, and the water flows into the water outlet pipeline 6 from the hump pipeline 5; the water injected into the water outlet pipeline 6 is continuously discharged from the flapper 9 until the siphon forms siphon water discharge to discharge flood to replace the water in the reservoir.
(6) Stopping flood discharge and water changing of the reservoir: and the control cabinet is operated to open an air inlet valve on the water filling port 8 of the hump pipeline 5, so that air enters the siphon pipe to break the vacuum in the siphon pipe, and the siphon pipe immediately stops flood discharge and water change.

Claims (6)

1. An automatic control pressure-bearing type flap valve system with lock is characterized by comprising a pressure-bearing type flap valve (9) with lock, wherein the pressure-bearing type flap valve (9) with lock comprises a bracket (13), a flap valve opening buffer (43), a flap valve seat (10) and a flap valve (14), the top of the flap valve seat (10) is hinged with the flap valve (14) through a hinge shaft (11), the hinge shaft (11) is provided with a ring seat (46), an arc surface lug (47) is arranged on the ring seat (46), one end of the flap valve opening buffer (43) is connected with the bracket (13), the other end is connected with the arc surface lug (47) through a butt joint, a lock tongue device is arranged on the flap valve (14), a lock tongue linkage (22) is correspondingly arranged on the flap valve seat (10), the lock linkage (22) comprises a slide way cylinder (23), a cylinder (24) is movably arranged in the slide way cylinder (23), one end of the linkage cylinder (24) is connected with a driving rod (26) and one end of the linkage cylinder (24) is connected with the flap valve (24) in a linkage rod (26), both sides of the linkage cylinder (24) are connected with the lock tongue device through dowel bars (30);
the driving device drives the linkage cylinder (24) to move along the slideway cylinder (23) so as to drive the linkage rod (26) to move, the linkage rod (26) moves to drive the flap valve (14) to open and close and the lock tongue device to be inserted into the lock tongue chamber (37), the flap valve (14) is opened and closed to drive the hinge shaft (11) to rotate, and the hinge shaft (11) is rotated to drive the cambered surface lug (47) to rotate;
the automatic control pressure-bearing type door locking and beating system further comprises a door lock sensor, a door beating opening and closing sensor and a control chamber, wherein the door lock sensor is arranged in a pressure-bearing type door locking and beating chamber (37) with a door beating, the door beating opening and closing sensor is arranged on a bracket (13), and the door lock sensor, the door beating opening and closing sensor and a driving device are electrically connected with the control chamber;
the driving device is a hydraulic cylinder (19), and a piston rod (20) of the hydraulic cylinder (19) is hinged with the linkage cylinder (24);
a spring is arranged between the linkage cylinder (24) and the linkage rod (26).
2. The automatic control pressure-bearing type flap valve system with lock according to claim 1, wherein the lock tongue device comprises a lock seat (31), a slide way is arranged in the lock seat (31), a lock tongue (32), a connecting rod (33) and a connector (34) are sequentially arranged in the slide way, the lock tongue (32) is movably connected with the connector (34) through the connecting rod (33), the connector (34) is hinged with the dowel (30), a spring is sleeved on the connecting rod (33), and a groove is formed in the top of the lock tongue (32).
3. The automatic control pressure-bearing type door locking system with a lock according to claim 2, wherein a chute is arranged at the inner top of the lock tongue chamber (37), and an elastic rib (39) matched with a groove at the top of the lock tongue is movably arranged in the chute.
4. The automatic control pressure-bearing type flap valve system with lock according to claim 3, wherein the flap valve opening buffer comprises a holder (44), one end of the holder (44) is fixed with the bracket (13), the abutment (45) is movably arranged in the holder (44), and a spring is arranged between the abutment (45) and the holder (44).
5. The automatic control pressure-bearing type door locking system according to claim 4, wherein the door lock sensor comprises a first magnet (41) and a first hall element (42), the first magnet (41) is arranged in the middle of the top surface of the elastic rib (39), the first hall element (42) is arranged in the middle of a chute of the lock tongue chamber (37), the door opening and closing sensor comprises a housing (48), a second magnet (51), a third magnet (52), a second hall element (49) and a third hall element (50), the second magnet (51) and the third magnet (52) are arranged on the side surface of the ring seat (46), and the second hall element (49) and the third hall element (50) are arranged in the housing (48) side by side.
6. The method for using the automatic control pressure-bearing type system with the lock flap valve in siphon water change of the reservoir according to claim 5, comprising the following steps:
(A) Paving a water inlet pipeline on the upstream dam surface of a reservoir dam, installing a water inlet of the water inlet pipeline on a water collecting pool at the upstream dam foot of the dam, paving a hump pipeline on the dam top of the dam, paving a water outlet pipeline on the downstream dam surface of the dam, installing a water outlet of the water outlet pipeline on a retaining wall at the downstream dam foot of the dam, and connecting the water inlet pipeline, the hump pipeline and the water outlet pipeline to form a siphon; the pressure-bearing type flapper valve (9) with the lock is arranged on a water outlet of a water outlet pipeline, and the air inlet valve, the water delivery valve and the water delivery pipeline are arranged at a water inlet of a hump pipeline;
(B) Connecting a hydraulic pipe of a hydraulic cylinder (19) with a control cabinet, and connecting cables of an air inlet valve, a water delivery valve, a door lock sensor and a flap valve opening and closing sensor with the control cabinet;
(C) When flood discharge and water change are carried out on the reservoir, the control cabinet is operated to extend out of a piston rod (20) of a hydraulic cylinder (19), the piston rod (20) pushes a door lock linkage device (22), the door lock linkage device (22) firstly drives a dowel bar (30) to push a lock tongue (32) out of a lock seat (31), and then the hinge seat is pushed to enable a flap valve (14) to rotate downwards; the abutting head (45) of the flap valve opening buffer (43) slides against the cambered surface convex block (47) of the ring seat (46), the third magnet (52) passes through the third Hall element (50) and the second Hall element (49), and the flap valve opening and closing sensor outputs a signal for starting closing the flap valve; the piston rod (20) of the hydraulic cylinder (19) continues to extend, the lock tongue (32) is slid into the lock tongue chamber (37) against the outer wall of the lock tongue chamber (37), the elastic convex rib (39) in the lock tongue chamber (37) falls into the groove on the top surface of the lock tongue (32), and the flap valve is completely closed on the flap valve seat (10); a first magnet (41) is close to the first Hall element (42), and a door lock sensor outputs a signal that the flap valve is locked; the second magnet (51) passes through the third Hall element (50) and the second Hall element (49), and the flap valve opening and closing sensor outputs a signal for closing the flap valve (14);
(D) Operating the control cabinet to open the water delivery valve, injecting water into the water outlet pipeline of the siphon pipe through the water delivery pipe, and closing the water delivery valve and the air inlet valve after the water outlet pipeline is filled with water;
(E) Flood discharge water change under the condition that the upstream water level of the reservoir is higher than the downstream water level of the dam: the control cabinet is operated to retract a piston rod (20) of a hydraulic cylinder (19), the piston rod (20) pulls a door lock linkage device (22), the door lock linkage device (22) firstly drives a force transmission rod (30) to pull a lock tongue (32) out of a lock tongue chamber (37), and then pulls a hinged support to rotate a flap valve upwards; the elastic rib (39) slides out of the groove on the top surface of the lock tongue (32), the first magnet (41) leaves the first Hall element (42), and the door lock sensor outputs a signal that the door lock is opened; the abutting head (45) of the flap valve opening buffer (43) slides against the cambered surface convex block (47) of the ring seat (46), the second magnet (51) passes through the second Hall element (49) and the third Hall element (50), and the flap valve opening and closing sensor outputs a signal for starting the flap valve; water is sprayed out from a gap between the flap valve and the flap valve seat (10), and the flap valve is slowly opened under the action of pushing of the hydraulic cylinder (19) and damping of the flap valve opening buffer (43); the piston rod (20) of the hydraulic cylinder (19) continues to retract until the flap valve is fully opened; the abutting head (45) is abutted to the upper end of the cambered surface lug (47), the third magnet (52) passes through the second Hall element (49) and the third Hall element (50), and the flap valve opening and closing sensor outputs a flap valve full-opening signal; the water in the water outlet pipeline is discharged from the pressure-bearing type lock flap valve (9) under the action of gravity, so that negative pressure is formed in the hump pipeline, the water at the upstream of the dam is pressed in from the water inlet of the water inlet pipeline under the action of atmospheric pressure, the water level of the water inlet pipeline is gradually raised, and the water flows into the water outlet pipeline from the hump pipeline; the water injected into the water outlet pipeline is continuously discharged from the pressure-bearing type lock flap valve (9) until the siphon forms siphon water discharge, so that the water in the reservoir is replaced by flood discharge;
(F) Stopping flood discharge and water changing of the reservoir: and the control cabinet is operated to open an air inlet valve on the water filling port of the hump pipeline, so that air enters the siphon pipe to break the vacuum in the siphon pipe, and the siphon pipe immediately stops discharging flood and changing water.
CN201910554195.7A 2019-06-25 2019-06-25 Bearing type flapper with lock and use method thereof in reservoir siphon water change Active CN110274059B (en)

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102168866A (en) * 2011-05-12 2011-08-31 广东格兰仕微波炉电器制造有限公司 Door opening structure of microwave oven with buffer device
CN202466821U (en) * 2012-03-01 2012-10-03 陈穗强 Auto-control flap valve
CN203836291U (en) * 2014-04-24 2014-09-17 章丽华 Flap valve
CN104328967A (en) * 2014-10-14 2015-02-04 茵科门控(珠海保税区)有限公司 Cam shaft door closer
CN104533177A (en) * 2014-12-26 2015-04-22 徐州徐工随车起重机有限公司 Door locking device and washing and sweeping vehicle
CN105603942A (en) * 2016-02-26 2016-05-25 叶兴 Dam over-standard flood diversion siphon belt
CN205370235U (en) * 2016-02-19 2016-07-06 山东岱阳汽车制造有限公司 A back door gear of unloading for bulk powder goods tanker
CN210461799U (en) * 2019-06-25 2020-05-05 水利部交通运输部国家能源局南京水利科学研究院 Pressure-bearing type flap valve with lock and automatic control system

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102168866A (en) * 2011-05-12 2011-08-31 广东格兰仕微波炉电器制造有限公司 Door opening structure of microwave oven with buffer device
CN202466821U (en) * 2012-03-01 2012-10-03 陈穗强 Auto-control flap valve
CN203836291U (en) * 2014-04-24 2014-09-17 章丽华 Flap valve
CN104328967A (en) * 2014-10-14 2015-02-04 茵科门控(珠海保税区)有限公司 Cam shaft door closer
CN104533177A (en) * 2014-12-26 2015-04-22 徐州徐工随车起重机有限公司 Door locking device and washing and sweeping vehicle
CN205370235U (en) * 2016-02-19 2016-07-06 山东岱阳汽车制造有限公司 A back door gear of unloading for bulk powder goods tanker
CN105603942A (en) * 2016-02-26 2016-05-25 叶兴 Dam over-standard flood diversion siphon belt
CN210461799U (en) * 2019-06-25 2020-05-05 水利部交通运输部国家能源局南京水利科学研究院 Pressure-bearing type flap valve with lock and automatic control system

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