CN119615843B - Hyperbolic arch dam aeration ice-melting anti-icing equipment based on alpine region - Google Patents
Hyperbolic arch dam aeration ice-melting anti-icing equipment based on alpine regionInfo
- Publication number
- CN119615843B CN119615843B CN202411533354.2A CN202411533354A CN119615843B CN 119615843 B CN119615843 B CN 119615843B CN 202411533354 A CN202411533354 A CN 202411533354A CN 119615843 B CN119615843 B CN 119615843B
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- Prior art keywords
- fixedly connected
- arch dam
- ice
- aeration
- double
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B7/00—Barrages or weirs; Layout, construction, methods of, or devices for, making same
- E02B7/02—Fixed barrages
- E02B7/04—Dams across valleys
- E02B7/08—Wall dams
- E02B7/12—Arch dams
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B1/00—Equipment or apparatus for, or methods of, general hydraulic engineering, e.g. protection of constructions against ice-strains
- E02B1/003—Mechanically induced gas or liquid streams in seas, lakes or water-courses for forming weirs or breakwaters; making or keeping water surfaces free from ice, aerating or circulating water, e.g. screens of air-bubbles against sludge formation or salt water entry, pump-assisted water circulation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1809—Arrangement or mounting of grates or heating means for water heaters
- F24H9/1818—Arrangement or mounting of electric heating means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/02—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being helically coiled
- F28D7/024—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being helically coiled the conduits of only one medium being helically coiled tubes, the coils having a cylindrical configuration
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Structural Engineering (AREA)
- Thermal Sciences (AREA)
- Civil Engineering (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The invention discloses an aeration ice-melting anti-icing device for an hyperbolic arch dam based on a alpine region, which relates to the technical field of ice prevention and comprises an hyperbolic arch dam body, wherein a lifting structure, an aeration ice-proofing structure, a PLC (programmable logic controller), a temperature sensor and a liquid level sensor are arranged on the outer convex curved surface side of the hyperbolic arch dam body, the aeration ice-proofing structure comprises a plurality of connecting pipes four, a plurality of pressure relief valves are fixedly connected to the bottoms of the outer sides of the connecting pipes four, as the bottoms of the outer sides of the connecting pipes four are fixedly connected with the pressure relief valves, a bubble generator is fixedly connected to the bottoms of the pressure relief valves, and as the air pressure in the inner sides of the connecting pipes four rises, air flows are discharged through the bubble generator after finally rushing the pressure relief valves, a large amount of bubbles are generated, the bubbles stir the water surface in the movement process of the water surface, the water surface ice is avoided, the anti-freezing effect is comprehensively carried out on the upstream side of the hyperbolic arch dam body, and the damage of the icing on the upstream side structure of the hyperbolic arch dam body is reduced.
Description
Technical Field
The invention relates to the technical field of ice prevention, in particular to an aeration ice-melting ice-preventing device for an hyperbolic arch dam based on a alpine region.
Background
With the advancement of hydropower development technology, hydropower station engineering can be built in high-cold areas (high-altitude cold areas or high-latitude cold areas), but when the high-cold areas are located at the dam, the running environment of the dam is extremely severe, and the extremely low temperature and the high temperature are different by even more than 80 ℃ within one year.
In order to prevent the concrete dam from generating temperature cracks and being damaged by freeze thawing cycles in a low-temperature environment, a heat preservation layer is arranged on the surface of the dam in a common way. In the running process in winter, after the reservoir freezes, the reservoir water level below the ice surface can change under the influence of factors such as power generation of a power station, temperature change and the like, so that the ice layer is upwards or downwards displaced. The reservoir ice layer and the heat preservation layer on the surface of the dam have an adhesive effect, and the displacement of the ice layer can cause the ice pulling damage of the heat preservation layer.
Disclosure of Invention
The invention aims to provide double arch dam aeration ice-melting anti-icing equipment based on alpine regions, which solves the problems in the prior art.
The invention provides an aeration ice-melting anti-icing device for an double arch dam based on a alpine region, which comprises a double arch dam body, wherein a lifting structure, an aeration ice-preventing structure, a PLC (programmable logic controller), a temperature sensor and a liquid level sensor are arranged on the outer convex curved surface side of the double arch dam body, the aeration ice-preventing structure comprises a plurality of connecting pipes IV, a plurality of decompression valves are fixedly connected to the bottoms of the outer sides of the connecting pipes IV, a bubble generator is fixedly connected to the bottoms of the decompression valves, a connecting structure is arranged between two adjacent connecting pipes IV, the connecting structure comprises a splicing pipe I and a splicing pipe II, splicing pipes III are respectively arranged in the splicing pipe I and the splicing pipe II, a spring type telescopic rod is respectively arranged on one side, far away from each other, of the spring type telescopic rod is fixedly connected to the outer wall of the spring type telescopic rod, a plurality of fixing frames II are fixedly connected between the piston ends of the spring type telescopic rod and the adjacent splicing pipe III, one side, a plurality of the tension rods III is fixedly connected with a plurality of pull ropes, one side, which is far away from the electromagnetic iron is fixedly connected with a plurality of support frames, one side of the electromagnetic iron is fixedly connected with one side of the lifting support frames, and one side of the electromagnetic iron is fixedly connected with one side of the lifting iron is provided with a plurality of expansion supports, and one side of electromagnetic iron is fixedly connected with one side of the lifting structures.
Preferably, the aeration anti-icing structure comprises a heat preservation tower, a first heat exchange pipe and a second heat exchange pipe are fixedly connected inside the heat preservation tower, a first connecting pipe is fixedly connected between the first heat exchange pipe and the second heat exchange pipe, a plurality of heating wires are arranged inside and outside the first heat exchange pipe, the heating wires are fixedly connected inside the heat preservation tower, and the bottom of the first heat exchange pipe extends to the bottom of the outer side of the heat preservation tower.
Preferably, one end of the heat exchange tube II is fixedly connected with a connecting tube V, one end of the connecting tube V is fixedly connected with a three-way valve, the normally closed end of the three-way valve is fixedly connected with a connecting tube II, one end of the connecting tube II and the normally open end of the three-way valve are fixedly connected with an air pump, and the air pump and the heat insulation tower are fixedly arranged at the top of the hyperbolic arch dam body.
Preferably, the air outlet ends of the two air pumps are fixedly connected with a connecting pipe III, the two connecting pipes III are respectively fixedly connected with a connecting pipe IV arranged on two sides of the hyperbolic arch dam body, and the top of the connecting pipe IV is fixedly connected with a hook.
Preferably, the top of the heat preservation tower is rotationally connected with a support frame six, the support frame six-thread connection has a bolt, the bolt is fixedly connected with a liquid level sensor, the top of the heat preservation tower is fixedly connected with a limiting vertical plate, and the limiting vertical plate is arranged on six sides of the support frame.
Preferably, the top of the outer side of the thermal insulation tower is rotationally connected with a first bevel gear, the first bevel gear is meshed with a second bevel gear, a hand wheel is fixedly connected inside the second bevel gear, and one end of the hand wheel is rotationally connected with the thermal insulation tower.
Preferably, a plurality of four ends of mount all with adjacent concatenation pipe three fixed connection, a plurality of fixedly connected with mount three between the mount four, mount three and adjacent spring type telescopic link piston end fixed connection, fixedly connected with a plurality of mounts one between spring type telescopic link and the adjacent connecting pipe four.
Preferably, the inside positive and negative motor of fixedly connected with of equipment shell, positive and negative motor output fixed mounting has transmission shaft one, transmission shaft one rotates with equipment shell and is connected, transmission shaft one outside cover is equipped with two brakes, brake fixed mounting is inside the equipment shell, transmission shaft one outside fixed cover is equipped with the rolling frame, stay cord both ends respectively with rolling frame and support frame one fixed connection.
Preferably, the first support frame is connected with the first guide rail frame in a sliding manner, the first guide rail frame is fixedly arranged on the double-arch dam body to conduct limit guiding on the up-and-down movement of the first support frame, one side, away from the double-arch dam body, of the first support frame is fixedly connected with the second support frame, one end of the second support frame is fixedly connected with a metal net piece, and the metal net piece is arranged at the bottom of the liquid level sensor.
Preferably, the diversion cleaning structure comprises a fifth support frame fixedly connected to the bottom of the equipment shell, a second guide rail frame arranged at the top of the screw rod and connected between the fifth support frame in a rotating mode, the second guide rail frame is fixedly connected with the fifth support frame, a sliding block is sleeved outside the screw rod, the sliding block is in sliding connection with the second guide rail frame, a fourth support frame is fixedly connected to one side of the sliding block, a third support frame is fixedly connected with a cleaning piece, a long groove is formed in the bottom of the equipment shell, the top end of a pull rope sequentially penetrates through the cleaning piece, the third support frame and the long groove and then enters the inside of the equipment shell, chain wheels are fixedly sleeved outside the first guide rail and the first transmission shaft, and chains are sleeved outside the two chain wheels.
Compared with the prior art, the invention has the beneficial effects that:
1. According to the application, the plurality of connecting pipes and the plurality of connecting structures form the arc-shaped air duct structure with the radian identical to that of the upstream side of the hyperbolic arch dam body, after the air enters the arc-shaped air duct structure, the bottoms of the four outer sides of the plurality of connecting pipes are fixedly connected with the plurality of pressure relief valves, the bottoms of the pressure relief valves are fixedly connected with bubble generators, and the air flow is discharged through the bubble generators after the pressure relief valves are opened along with the rising of the air pressure in the four inner sides of the connecting pipes, so that a large amount of bubbles are produced, the air flow agitates the water surface in the process of moving the air bubble to the water surface, the water surface is prevented from freezing, the comprehensive anti-freezing effect on the upstream side of the hyperbolic arch dam body is achieved, and the damage of the icing on the upstream side of the hyperbolic arch dam body is reduced.
2. According to the application, the two air pumps can be controlled to work alternately, namely, the ice melting and anti-icing work of the upstream side of the hyperbolic arch dam body is satisfied, the air pumps can be fully rested, the possibility of damage caused by overlong air pump working time due to burning is reduced, the working stability of the aeration anti-icing structure is ensured, as the air pressure in the four inner parts of the connecting pipes is increased, the final air flow is discharged through the bubble generator after rushing the pressure relief valve, a large number of bubbles are generated, the bubbles stir the water surface in the process of moving the bubbles to the water surface, the water surface is prevented from icing, and when the air pump is used for pumping air from the outer side of the thermal insulation tower through the structures such as the connecting pipe II, the three-way valve, the connecting pipe V, the heat exchange pipeline and the like, the air flow is heated after passing through the inner parts of the thermal insulation tower, so that the bubbles stirring the water surface are generated by high-temperature air, and the ice melting and anti-icing effect is improved.
3. According to the application, the temperature sensor arranged on the equipment shell is electrically connected with the PLC, the temperature sensor is used for detecting the ambient temperature, a control program edited in advance can be stored in the PLC, and the PLC controls the aeration anti-icing structure to work according to the temperature value detected by the temperature sensor, so that the aeration ice-melting anti-icing equipment consisting of the lifting structure and the aeration anti-icing structure can work efficiently according to the outside air temperature, and the resource waste is reduced.
4. The PLC controls the lifting structure to work according to the liquid level height value detected by the liquid level sensor, so that the lifting structure controls the initial height of an arc-shaped air duct structure formed by a plurality of connecting pipes four, the situation that the arc-shaped air duct structure is frozen relatively close to the water surface is avoided, the arc-shaped air duct structure and the position change according to the liquid level height of the water surface, and the stable disturbance of the aeration ice-preventing structure to the water surface is ensured to avoid icing.
Drawings
FIG. 1 is a schematic structural view of a double arch dam aeration ice-melting anti-icing device based on a alpine region;
FIG. 2 is a schematic structural view of an aeration anti-icing structure of a double arch dam aeration ice-melting anti-icing device based on a alpine region;
FIG. 3 is a schematic diagram of the structure of the part C of the double arch dam aeration ice-melting ice-preventing device of FIG. 2 based on the alpine region;
FIG. 4 is a schematic structural view of a guide rail frame II of the double arch dam aeration ice-melting ice-preventing device based on the alpine region;
FIG. 5 is a schematic structural view of a heat exchange tube II of a double arch dam aeration ice-melting ice-preventing device based on a alpine region;
FIG. 6 is a schematic structural view of a connecting pipe II of the double arch dam aeration ice-melting ice-preventing device based on the alpine region;
FIG. 7 is a schematic structural view of a connecting structure of a double arch dam aeration ice-melting anti-icing device based on a alpine region;
FIG. 8 is a schematic structural view of a hyperbolic arch dam aeration ice-melting anti-icing device fixing frame four based on the alpine region of the invention;
FIG. 9 is a schematic structural view of an equipment housing of the double arch dam aeration ice-melting ice-preventing equipment based on the alpine region of the invention;
FIG. 10 is a schematic structural view of a winding frame of a double arch dam aeration ice-melting anti-icing device based on a alpine region;
FIG. 11 is a schematic structural view of a supporting frame I of a double arch dam aeration ice-melting ice-preventing device based on a alpine region;
FIG. 12 is a schematic structural view of a rail frame II of a double arch dam aeration ice-melting ice-preventing device based on a alpine region;
FIG. 13 is a schematic view of a partial structure of a splicing pipe III of a double arch dam aeration ice-melting ice-preventing device based on a alpine region.
The reference number in the figure is 1, the hyperbolic arch dam body; 2, a hoisting structure; 21, an equipment housing; 22, a pull rope, 23, a first support frame, 24, a first guide rail frame, 25, an electromagnet, 26, a second support frame, 27, a metal net piece, 28, a positive and negative motor, 29, a first transmission shaft, 210, a brake, 211, a winding frame, 212, a third support frame, 213, a cleaning piece, 214, a fourth support frame, 215, a sliding block, 216, a screw rod, 217, a fifth support frame, 218, a second guide rail frame, 219, a sprocket, 220, a chain, 221, a long groove, 3, an aeration anti-icing structure, 31, a thermal insulation tower, 32, a first heat exchange tube, 33, a second heat exchange tube, 34, a first connection tube, 35, a heating wire, 36, a three-way valve, 37, a second connection tube, 38, an air pump, 39, a third connection tube, 310, a fourth connection tube, 311, a bubble generator, 312, a pressure relief valve, 313, a hook, 314, a bevel gear, 315, a hand wheel, 316, a bevel gear, a second bevel gear, 317, a limit plate, 318, a sixth support frame, 319, a bolt, 320, five, 4, a connection structure, 41, a first connection tube, 42, a second connection tube, 43, a third connection tube, 44, a fourth connection tube, 44, 45, a fourth connection tube, a circular groove, a fourth connection holder, a loop, a sensor holder, a loop, a sensor, a fixed frame, a sensor, a 6, a sensor, a fixed frame, a sensor, a carrier, a controller, a carrier, and a controller.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
1-13, The invention provides a technical scheme of a double arch dam aeration ice-melting anti-icing device based on a alpine region, wherein a lifting structure 2, an aeration ice-proofing structure 3, a PLC (programmable logic controller) 5, a temperature sensor 6 and a liquid level sensor 7 are arranged on the convex curved surface side of a double arch dam body 1,
An aeration anti-icing structure 3 for generating air bubbles to disturb the water surface is arranged on the double-arch dam body 1, a plurality of connecting pipes IV 310 in the aeration anti-icing structure 3 are arranged on the outer convex curved surface side of the double-arch dam body 1, in this case, the plurality of connecting pipes IV 310 are arranged in the water facing direction of the double-arch dam body 1, a connecting structure 4 is arranged between two adjacent connecting pipes IV 310, the plurality of connecting structures 4 are used for installing the plurality of connecting pipes IV 310 together, the plurality of connecting pipes IV 310 and the plurality of connecting structures 4 form an arc-shaped air duct structure with the radian identical to that of the water facing side of the double-arch dam body 1, the comprehensive anti-freezing effect on the water facing side of the double-arch dam body 1 is ensured, and the damage of icing to the water facing side structure of the double-arch dam body 1 is reduced;
when ice melting and anti-icing measures are needed to be carried out on the water facing side of the hyperbolic arch dam body 1 in winter, the PLC controller 5 is used for controlling the aeration anti-icing structure 3 to work, so that the air pump 38 positioned on the right side in the aeration anti-icing structure 3 works, as the heat exchange tube I32 and the heat exchange tube II 33 are fixedly connected inside the heat preservation tower 31, the connecting tube I34 is fixedly connected between the heat exchange tube I32 and the heat exchange tube II 33, the heat exchange tube I32, the heat exchange tube II 33 and the connecting tube I34 form a heat exchange pipeline, one end of the heat exchange tube II 33 is fixedly connected with the connecting tube V320, one end of the connecting tube V320 is fixedly connected with the three-way valve 36, the air pump 38 fixedly connected with the normally open end of the three-way valve 36 works at the moment, and therefore the air pump 38 on the right side is pumped through the three-way valve 36, the connecting tube V320 and the air pump 38 on the left side of the top of the hyperbolic arch dam body 1; the air pump 38 on the left side is pumped through the connecting pipe II 37, the three-way valve 36, the connecting pipe III 320 and the heat exchange pipeline after the normally closed end of the control three-way valve 36 is opened, the air outlet ends of the two air pumps 38 are fixedly connected with the connecting pipe III 39, the two connecting pipes III 39 are respectively and fixedly connected with the two connecting pipes IV 310 arranged on the two sides of the double-arch dam body 1, the two connecting pipes III 39 arranged on the air outlet ends of the left and right air pumps 38 are communicated with the arc air guide pipeline structure, under the condition of continuously supplying air to the inside of the arc air guide pipeline structure, the two air pumps 38 can be alternately controlled to work, namely, the ice melting and anti-icing work on the water side of the double-arch dam body 1 is satisfied, the air pumps 38 can be fully rested, the possibility of overlong burning damage of the air pumps 38 is reduced, the working stability of the aeration anti-icing structure 3 is ensured;
after the inside gas that gets into of arc air duct structure, because a plurality of connecting pipes four 310 outside bottom all is fixedly connected with a plurality of relief valves 312, at relief valve 312 bottom fixedly connected with bubble generator 311, along with the inside atmospheric pressure of connecting pipe four 310 rises, finally the air current is discharged through bubble generator 311 after dashing relief valve 312, produces a large amount of bubbles, and the bubble stirs the surface of water to the surface of water motion in-process, avoids the surface of water to freeze.
When the air pump 38 is controlled to operate, the plurality of heating wires 35 fixedly connected inside the heat preservation tower 31 can be controlled to operate, the operating heating wires 35 heat liquid inside the heat preservation tower 31, the first heat exchange tube 32 and the second heat exchange tube 33 are both spiral pipelines, so that the first heat exchange tube 32 and the second heat exchange tube 33 have sufficient contact areas with the liquid inside the heat preservation tower 31, the plurality of heating wires 35 are respectively arranged inside and outside the first heat exchange tube 32, the effect that the inside of the first heat exchange tube 32 is heated by air flow is further improved, the bottom end of the first heat exchange tube 32 extends to the bottom outside the heat preservation tower 31, and therefore, when the air pump 38 pumps air from the outside of the heat preservation tower 31 through structures such as the second connecting tube 37, the three-way valve 36, the fifth connecting tube 320 and the heat exchange pipelines, the air flow is heated after passing through the inside of the heat preservation tower 31, air bubbles stirring the water surface are generated by high-temperature gas, and the ice melting and ice preventing effects are improved.
The temperature sensor 6 arranged on the equipment shell 21 is electrically connected with the PLC controller 5, the temperature sensor 6 is used for detecting the ambient temperature, a control program edited in advance can be stored in the PLC controller 5, the PLC controller 5 controls the aeration anti-icing structure 3 to work according to the temperature value detected by the temperature sensor 6, when the temperature value fed back to the PLC controller 5 is 5 DEG to minus 3 DEG, the PLC controller 5 controls the two air pumps 38 and the three-way valve 36 in the aeration anti-icing structure 3 to work and disturb the water surface, the water side of the double arch dam 1 is prevented from being frozen, when the temperature value fed back to the PLC controller 5 is minus 3 DEG to minus 10 DEG, the PLC controller 5 controls the two air pumps 38 and the three-way valve 36 in the aeration anti-icing structure 3 to work and simultaneously controls the plurality of heating wires 35 to work in low power, when the temperature value fed back to the PLC controller 6 is below 10 DEG, the PLC controller 5 controls the two air pumps 38 and the three-way valve 36 in the aeration anti-icing structure 3 to work, and the whole air pump anti-icing structure 2 is controlled to work in high power according to the fact that the temperature value fed back to the temperature sensor 6 is below minus 10 DEG, and the whole aeration anti-icing structure 2 is wasted.
When the PLC 5 controls the aeration anti-icing structure 3 to work, the lifting structure 2 can be synchronously controlled, at the moment, a positive motor 28 fixedly arranged in the equipment shell 21 in the lifting structure 2 works, the positive motor 28 alternately carries out positive rotation and reverse rotation, when the positive motor 28 positively rotates or reversely rotates, a transmission shaft I29 fixedly connected with the output end of the positive motor 28 rotates, the transmission shaft I29 rotates in the equipment shell 21, a winding frame 211 fixedly sleeved outside the transmission shaft I29 rotates, and as the two ends of a pull rope 22 are respectively fixedly connected with the winding frame 211 and the support frame I23, the winding frame 211 positively rotates to wind the pull rope 22 or reversely rotates to unwind the pull rope 22 when the positive motor 28 positively rotates or reversely rotates, so that the pull rope 22 drives the support frame I23 to move up and down, and because two guide rail frames I24 which are fixedly arranged on the hyperbolic arch body 1 and are in sliding connection with the support frame I23 carry out limit guide on the up and down movement of the support frame I23, and the support frame I23 can only move up and down;
And a plurality of electromagnets 25 are fixedly connected to the first support frame 23, the electromagnets 25 are respectively sleeved on the outer sides of the pressure relief valves 312, the electromagnets 25 are in a working state and are fixedly adsorbed on the outer sides of the pressure relief valves 312 through magnetic force, so that the relative positions between the fourth connection pipe 310 installed on the pressure relief valves 312 and the first support frame 23 fixed by the electromagnets 25 are kept unchanged, the fourth connection pipe 310 is driven to move up and down when the first support frame 23 moves up and down, the third connection pipe 39 can stretch and retract to meet the requirement of the fourth connection pipe 310 on the up and down movement, the fourth connection pipe 310 can move up and down, the position of the bubble generator 311 away from the water surface is controlled, the bubble generator 311 moves up and down in a certain range, the water area is disturbed, and the effect on water surface disturbance is increased.
And liquid level sensor 7 and PLC controller 5 electric connection, liquid level sensor 7 is used for detecting surface of water liquid level height, and PLC controller 5 is according to the liquid level height numerical value control jack-up structure 2 work that liquid level sensor 7 detected, makes the initial height of arc air duct structure that jack-up structure 2 control a plurality of connecting pipes four 310 constitute, avoids arc air duct structure and surface of water to be more closely by frozen the condition appearance, makes arc air duct structure and position change according to surface of water liquid level height, guarantees that aeration anti-icing structure 3 is stable carries out the disturbance to the surface of water and avoids icing work.
In addition, as shown in fig. 2, 9 and 10, when the height of the arc-shaped air duct structure is adjusted, the operation is not needed, the arc-shaped air duct structure formed by the plurality of connecting pipes four 310 does not need to be moved up and down to disturb the water area, and the front and back motors 28 need to rest after a period of operation, the PLC controller 5 controls the lifting structure 2 to transport the arc-shaped air duct structure to a proper height, and then controls the two brakes 210 sleeved on the outer side of the first transmission shaft 29 to operate, and the brake 210 fixedly installed in the equipment shell 21 operates to brake the first transmission shaft 29, so that the rotation of the first transmission shaft 29 is limited, and at this time, the stable operation of the arc-shaped air duct structure with the height controlled by the first transmission shaft 29, the winding frame 211, the pull rope 22 and the first support frame 23 is stopped, so that the front and back motors 28 stop operating to enter a rest state, and the effect of the arc-shaped air duct structure on water surface disturbance is not affected.
In addition, as shown in fig. 9, 10, 11 and 12, in the process of winding the pull rope 22, the pull rope 22 penetrates through the cleaning piece 213 in the direction-changing cleaning structure, the cleaning piece 213 cleans the outer side of the pull rope 22, so that garbage impurities on the outer side of the pull rope 22 are prevented from entering the inside of the equipment shell 21, the inside of the equipment shell 21 is ensured to be clean, and the service life of equipment inside the equipment shell 21 is ensured;
The direction-changing cleaning structure is provided with two support frames five 217 fixedly connected to the bottom of the equipment shell 21, a screw rod 216 is rotatably connected between the two support frames five 217, a chain wheel 219 is fixedly sleeved on the outer sides of the screw rod 216 and a transmission shaft one 29, a chain 220 is sleeved on the outer sides of the two chain wheels 219, the transmission shaft one 29 rotatably drives the screw rod 216 to rotate under the transmission effect of the chain 220 and the two chain wheels 219, the rotating screw rod 216 drives a sliding block 215 sleeved on the outer side through a nut pair, as a guide rail frame two 218 and the two support frames five 217 are fixedly connected, the sliding block 215 is limited in sliding connection with the guide rail frame two 218, the sliding block 215 can only horizontally reciprocate on the outer side of the screw rod 216, a support frame four 214 is fixedly connected to one side of the sliding block 215 which reciprocates, a support frame three 212 fixedly connected with a cleaning piece 213 is fixedly connected with the support frame four 214, and a stay rope 22 penetrates through the support frame three 212 and the cleaning piece 213, so that the sliding block 215 drives the support frame four 212 and the cleaning piece 213 to move outside through the support frame four 214, and a force of the winding position of the winding rope 22 is applied to the winding position near the winding position of the winding frame 211, the winding rope 22 is uniformly arranged, and the possibility of the winding around the outer side of the stay rope 211 is reduced.
In addition, as shown in fig. 7, 8 and 12, in the connecting structure 4, the first splicing pipe 41 and the second splicing pipe 42 are internally provided with the third splicing pipe 43, one end, far away from each other, of the first splicing pipe 41 and the second splicing pipe 42 is fixedly connected with the fourth adjacent splicing pipe 310, the first two splicing pipes 41 are attached together to butt joint the fourth adjacent two splicing pipes 310 together, one side, far away from each other, of the third splicing pipe 43 is provided with a spring type telescopic rod 47, a plurality of second fixing frames 49 are fixedly connected to the outer wall of the spring type telescopic rod 47, a sealing circular plate 46 is fixedly connected between the second fixing frames 49, and the relative positions between the sealing circular plate 46 and the outer wall of the spring type telescopic rod 47 are kept unchanged due to the fact that the outer wall of the spring type telescopic rod 47 is fixedly connected with the fourth connecting pipe 310;
When no air flow is infused into the arc-shaped air duct structure, the piston end parts of the spring telescopic rods 47 are extended to be at the initial positions, the two splicing pipes III 43 are respectively positioned at the outer sides of the two sealing circular plates 46 to form a sealing structure, the two connecting pipes IV 310 are in a sealing state, and the splicing pipes IV 41 and the splicing pipes II 42 are not blocked, so that the electromagnets 25 are controlled to stop working, the decompression valves 312 fixedly connected with the connecting pipes IV 310 are not fixed, the hooks 313 fixedly connected with the tops of the connecting pipes IV 310 can be hooked by using tools, the connecting pipes IV 310 are pulled up to overhaul and maintain the decompression valves 312 and the bubble generator 311 fixedly connected with the connecting pipes IV 310, the connecting pipes IV 310 can be overhauled in sections, the required space for overhauling is small, the disposable workload is small, and the situation that the whole arc-shaped air duct structure is required to be replaced due to local damage is avoided.
When gas is infused into the arc-shaped gas guide pipeline structure, air flow enters the arc-shaped gas guide pipeline structure from the connecting pipe IV 310 close to the connecting pipe IV 39 and sequentially acts on the connecting structures 4, after the air flow enters the connecting pipe IV 310, the spliced pipe III 43 arranged on one side of the inner side of the connecting pipe IV 310 is pushed to move, the inner wall of the spliced pipe III 43 is arranged in a ladder shape, the inner diameter of a small part of the spliced pipe III 43 is the same as the outer diameter of the sealing circular plate 46, the spliced pipe III 43 and the sealing circular plate 46 are matched to seal one end of the connecting pipe IV 310, the inner diameter of the spliced pipe III 43 is larger than the outer diameter of the sealing circular plate 46, after the spliced pipe III 43 moves for a small distance, the matched sealing state between the spliced pipe III 43 and the sealing circular plate 46 can be removed, the moving spliced pipe III 43 pushes the adjacent spliced pipes III 43 to move, and the spliced pipes III are separated from the outer side of the sealing circular plate 46, at the moment, the two connecting pipes IV 310 are communicated, and the connecting pipes IV 310 are communicated with each other as the working state of the connecting structures 4 is changed due to the flow of the air flow.
And after the working state of the connecting structure 4 is changed, one splicing pipe III 43 is transported to the bottom of the interface between the splicing pipe I41 and the splicing pipe II 42, and the outer diameter of the splicing pipe III 43 is the same as the inner diameters of the splicing pipe I41 and the splicing pipe II 42, so that after the working state of the connecting structure 4 is changed, the splicing pipe III 43 is in a sealing state between the splicing pipe I41 and the splicing pipe II 42, the sealing performance of the arc-shaped air duct structure in the air flow flowing process is ensured, and the quality of air bubble generation is ensured.
A plurality of annular grooves 44 are formed in one side, far away from the spring type telescopic rod 47, of one splicing tube III 43, a plurality of plugboards 45 are fixedly connected to one side, far away from the spring type telescopic rod 47, of the other splicing tube III 43, after the splicing tube III 43 moves, the plugboards 45 enter the annular grooves 44, the two splicing tubes III 43 are clamped together, one splicing tube III 43 is arranged inside the contact position of the splicing tube I41 and the splicing tube II 42, the splicing tube I41 and the splicing tube II 42 are supported, and stability between the two connecting tubes IV 310 is further improved.
In addition, as shown in fig. 2 and fig. 4, the first bevel gear 314 is rotatably connected to the top of the outside of the thermal insulation tower 31, the second bevel gear 316 is meshed with the first bevel gear 314, the hand wheel 315 fixedly connected to the inside of the second bevel gear 316 is operated to rotate, so that the hand wheel 315 drives the second bevel gear 316 to rotate, the rotating second bevel gear 316 drives the first bevel gear 314 to rotate, and the first bevel gear 314 is fixedly connected with the sixth support frame 318, so that the first bevel gear 314 drives the sixth support frame 318 to rotate, the sixth support frame 318 is rotatably connected to the top of the thermal insulation tower 31, the bolt 319 in threaded connection with the liquid level sensor 7 is fixedly connected with the liquid level sensor 7, the liquid level sensor 7 mounted through the threaded structure can be rapidly detached, and the liquid level sensor 7 can be conveniently and rapidly inspected and maintained.
The top of the heat preservation tower 31 is fixedly connected with a limiting vertical plate 317, the limiting vertical plate 317 blocks the position of a six support frame 318, and after the six support frame 318 is controlled to rotate clockwise to drive the liquid level sensor 7 to rotate above the water surface, the movement of the six support frame 318 is limited by the limiting vertical plate 317.
In addition, as shown in fig. 11, a second support frame 26 is fixedly connected to one side, far away from the double arch dam body 1, of the first support frame 23, one end of the second support frame 26 is fixedly connected with a metal net member 27, when the sixth support frame 318 rotates clockwise and is blocked by the limiting vertical plate 317, the liquid level sensor 7 stays at the top of the metal net member 27, and the metal net member 27 blocks garbage impurities outside, so that the water level inside the metal net member 27 is not influenced by floaters, and the accurate detection of the water level height of the liquid level sensor 7 is ensured.
In addition, as shown in fig. 9, a long groove 221 is formed in the bottom of the equipment casing 21, the top end of the pull rope 22 penetrates through the long groove 221 and then enters the inside of the equipment casing 21, and the long groove 221 provides space for the pull rope 22 to locally reciprocate.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (8)
1. The double-arch dam aeration ice-melting anti-icing device based on the alpine region comprises a double-arch dam body (1), and is characterized in that a lifting structure (2), an aeration ice-melting structure (3), a PLC (programmable logic controller) (5), a temperature sensor (6) and a liquid level sensor (7) are arranged on the convex curved surface side of the double-arch dam body (1), the aeration ice-melting structure (3) comprises a plurality of connecting pipes (310), a plurality of pressure relief valves (312) are fixedly connected to the bottoms of the outer sides of the connecting pipes (310), a bubble generator (311) is fixedly connected to the bottoms of the pressure relief valves (312), a connecting structure (4) is arranged between two adjacent connecting pipes (310), the connecting structure (4) comprises a splicing pipe I (41) and a splicing pipe II (42), splicing pipes I (41) and II (42) are internally provided with splicing pipes (43), one sides of the two splicing pipes III (43) are mutually far away from each other are provided with spring telescopic rods (47), the outer wall of the spring telescopic rods (47) are fixedly connected with bubble generators (311), two fixing frames (49) are fixedly connected with a plurality of fixing frames (49) and a plurality of fixing frames (46) are fixedly connected with a plurality of piston rods (46), one side, far away from the spring type telescopic rod (47), of one splicing pipe III (43) is provided with a plurality of annular grooves (44), and the other side, far away from the spring type telescopic rod (47), of the splicing pipe III (43) is fixedly connected with a plurality of plugboards (45), the lifting structure (2) comprises an equipment shell (21), a pull rope (22) and a first support frame (23), the first support frame (23) is fixedly connected with a plurality of electromagnets (25), the electromagnets (25) are respectively sleeved on the outer sides of a plurality of pressure relief valves (312), and a diversion cleaning structure is arranged between the equipment shell (21) and the pull rope (22);
The aeration anti-icing structure (3) comprises a heat preservation tower (31), a first heat exchange tube (32) and a second heat exchange tube (33) are fixedly connected inside the heat preservation tower (31), a first connecting tube (34) is fixedly connected between the first heat exchange tube (32) and the second heat exchange tube (33), a plurality of heating wires (35) are arranged inside and outside the first heat exchange tube (32), the heating wires (35) are fixedly connected inside the heat preservation tower (31), and the bottom end of the first heat exchange tube (32) extends to the bottom of the outer side of the heat preservation tower (31);
One end of the heat exchange tube II (33) is fixedly connected with a connecting tube III (320), one end of the connecting tube III (320) is fixedly connected with a three-way valve 36, the normally closed end of the three-way valve 36 is fixedly connected with a connecting tube II (37), one end of the connecting tube II (37) and the normally open end of the three-way valve 36 are fixedly connected with an air pump 38, and the air pump 38 and the heat preservation tower 31 are fixedly arranged at the top of the hyperbolic arch dam body 1;
and the connecting pipes IV (310) and the connecting structures 4 form an arc-shaped air duct structure with the radian the same as that of the water facing side of the hyperbolic arch dam body (1).
2. The double-arch dam aeration ice-melting anti-icing device based on the alpine region of claim 1 is characterized in that two air pump (38) air outlet ends are fixedly connected with a third connecting pipe (39), the third connecting pipe (39) is fixedly connected with a fourth connecting pipe (310) arranged on two sides of the double-arch dam body (1) respectively, and the top of the fourth connecting pipe (310) is fixedly connected with a hook (313).
3. The double-arch dam aeration ice-melting anti-icing device based on the alpine region of claim 1, wherein a support frame six (318) is rotatably connected to the top of the heat preservation tower (31), a bolt (319) is connected to the support frame six (318) in a threaded mode, the bolt (319) is fixedly connected with a liquid level sensor (7), a limiting vertical plate (317) is fixedly connected to the top of the heat preservation tower (31), and the limiting vertical plate (317) is arranged on one side of the support frame six (318).
4. The double arch dam aeration ice-melting anti-icing device based on the alpine region of claim 1 is characterized in that a bevel gear I (314) is rotatably connected to the top of the outer side of the heat preservation tower (31), a bevel gear II (316) is meshed with the bevel gear I (314), a hand wheel (315) is fixedly connected to the interior of the bevel gear II (316), and one end of the hand wheel (315) is rotatably connected with the heat preservation tower (31).
5. The double arch dam aeration ice-melting and anti-icing device based on the alpine region of claim 1, wherein one end of a plurality of fixing frames IV (411) is fixedly connected with an adjacent splicing pipe IV (43), a fixing frame IV (410) is fixedly connected between the fixing frames IV (411), the fixing frame IV (410) is fixedly connected with a piston end of an adjacent spring type telescopic rod (47), and a plurality of fixing frames IV (48) are fixedly connected between the spring type telescopic rod (47) and an adjacent connecting pipe IV (310).
6. The double-arch dam aeration ice-melting anti-icing device based on the alpine region of claim 1 is characterized in that a positive motor (28) is fixedly connected inside a device shell (21), a transmission shaft I (29) is fixedly arranged at the output end of the positive motor (28), the transmission shaft I (29) is rotationally connected with the device shell (21), two brakes (210) are sleeved outside the transmission shaft I (29), the brakes (210) are fixedly arranged inside the device shell (21), a winding frame (211) is fixedly sleeved outside the transmission shaft I (29), and two ends of a pull rope (22) are fixedly connected with the winding frame (211) and the supporting frame I (23) respectively.
7. The double-arch dam aeration ice-melting anti-icing device based on the alpine region of claim 1 is characterized in that the first support frame (23) is connected with the first guide rail frame (24) in a sliding mode, the first guide rail frame (24) is fixedly installed on the double-arch dam body (1) to conduct limit guiding on the up-and-down movement of the first support frame (23), the second support frame (26) is fixedly connected to one side, away from the double-arch dam body (1), of the first support frame (23), one end of the second support frame (26) is fixedly connected with a metal net piece (27), and the metal net piece (27) is arranged at the bottom of the liquid level sensor (7).
8. The double arch dam aeration ice-melting equipment based on the alpine region is characterized in that the diversion cleaning structure comprises a five supporting frames (217) fixedly connected to the bottom of an equipment shell (21), a screw rod (216) rotatably connected between the five supporting frames (217) and a second guiding rail frame (218) arranged at the top of the screw rod (216), the second guiding rail frame (218) is fixedly connected with the five supporting frames (217), a sliding block (215) is sleeved outside the screw rod (216), the sliding block (215) is in sliding connection with the second guiding rail frame (218), a fourth supporting frame (214) is fixedly connected to one side of the sliding block (215), a third supporting frame (212) is fixedly connected with a cleaning piece (213), a long groove (221) is formed in the bottom of the equipment shell (21), the top end of a pull rope (22) sequentially penetrates through the cleaning piece (213), the third supporting frame (212) and the long groove (221) and then enters the inside the equipment shell (21), a transmission shaft (216) and a chain wheel (219) are fixedly connected to one side of the sliding block (215), and two chain wheels (219) are fixedly connected to the outer sides of the transmission shaft (216).
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| CN202411533354.2A CN119615843B (en) | 2024-10-31 | 2024-10-31 | Hyperbolic arch dam aeration ice-melting anti-icing equipment based on alpine region |
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| CN202411533354.2A CN119615843B (en) | 2024-10-31 | 2024-10-31 | Hyperbolic arch dam aeration ice-melting anti-icing equipment based on alpine region |
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| CN120556430B (en) * | 2025-08-01 | 2025-10-03 | 长春华普大通防冰工程技术有限公司 | A bubble-type anti-icing structure for a river sluice |
| CN120739039B (en) * | 2025-09-04 | 2025-11-11 | 长春华普大通防冰工程技术有限公司 | A concrete dam anti-icing air blowing structure |
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| CN106065635A (en) * | 2016-06-12 | 2016-11-02 | 驻马店市板桥水库管理局 | An anti-icing device for water conservancy projects |
| CN109056732A (en) * | 2018-09-18 | 2018-12-21 | 中水北方勘测设计研究有限责任公司 | A kind of temperature control method of severe cold area concrete arch dams |
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| CN208363037U (en) * | 2018-06-21 | 2019-01-11 | 长春华普大通防冰工程技术有限公司 | Anti-icing system for rock |
| CN208857807U (en) * | 2018-08-10 | 2019-05-14 | 中国长江三峡集团有限公司 | It is a kind of to fill sluicing and water charging system for large scale ship |
| CN109706897B (en) * | 2019-01-07 | 2020-12-04 | 河北庄禹水工机械有限公司 | Pre-buried polarization aeration type anti-freezing gate |
| CN212200308U (en) * | 2020-03-30 | 2020-12-22 | 长春华普大通防冰工程技术有限公司 | Anti-icing device for concrete arch dam in cold area |
| CN218233330U (en) * | 2022-08-29 | 2023-01-06 | 长春华普大通防冰工程技术有限公司 | Anti-icing device suitable for concrete arch dam |
| CN118504087B (en) * | 2024-05-17 | 2025-02-18 | 中国长江三峡集团有限公司 | Method, device, equipment and storage medium for determining arch dam body shape |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106065635A (en) * | 2016-06-12 | 2016-11-02 | 驻马店市板桥水库管理局 | An anti-icing device for water conservancy projects |
| CN109056732A (en) * | 2018-09-18 | 2018-12-21 | 中水北方勘测设计研究有限责任公司 | A kind of temperature control method of severe cold area concrete arch dams |
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