CN109736363B - Pier self-adjustment protection device under severe sea condition and control method - Google Patents
Pier self-adjustment protection device under severe sea condition and control method Download PDFInfo
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- CN109736363B CN109736363B CN201811583197.0A CN201811583197A CN109736363B CN 109736363 B CN109736363 B CN 109736363B CN 201811583197 A CN201811583197 A CN 201811583197A CN 109736363 B CN109736363 B CN 109736363B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
Abstract
The invention discloses a pier self-adjusting protection device and a control method under severe sea conditions, wherein the device comprises a main body structure arranged around a pier structure and a water injection and drainage adjusting structure arranged in the pier; the main body structure mainly comprises a metal outer frame and a rubber bag; the metal outer frame is divided into two blocks, the two blocks are respectively wrapped on the wave facing surface and the wave back surface of the pier, at least three rubber capsules are arranged in the metal outer frame side by side, one side of each rubber capsule is tightly attached to the pier, and the other side of each rubber capsule is tightly attached to the inner side of the metal outer frame; the water injection and drainage adjusting structure is used for injecting water or draining water to the rubber bag, so that the function of adjusting the size of the bridge pier is realized. The invention has strong applicability, simple structure, durability and various purposes, and can effectively protect the bridge safety under severe sea conditions.
Description
Technical Field
The invention belongs to the technical field of maritime bridges, and particularly relates to a pier self-adjusting protection device and a control method under severe sea conditions.
Background
The cross-sea bridge is a large-scale offshore traffic engineering in China and is a traffic guarantee for the development of ocean economy. In recent years, along with continuous development of ocean and rapid development of traffic industry in China, more and more bridge crossing sea are promoted, and development towards overseas and deep sea areas is planned continuously. At present, a plurality of cross-sea bridges are built, such as Hangzhou bay cross-sea bridges, port pearl Australian bridges and the like, the water depth of the bridges is about 10 m-40 m, and the water depths of Bohai Bay channels, jones state strait channels and Taiwan strait channels in current planning are about 60m or more. The cross-sea bridge is subjected to substantial wave forces without interruption. Usually, the Bohai sea wave height of China is 9 meters, the south sea wave height can reach 19.5 meters, the destructive power caused by waves cannot be ignored, and the safety of the cross-sea bridge faces important technical challenges because the sea area where the cross-sea bridge is located is extremely severe and complex.
Under severe sea conditions, the bridge mainly suffers from wave and even tsunami effects and is a bridge pier bearing platform part. The bridge pier bearing platform is supported by piles inserted into the seabed, and the horizontal acting force acting on the bearing platform can generate great moment on the seabed due to the fact that the current bridge is large in water depth. When the moment is large to a certain extent, the bearing platform can be displaced, so that the upper pavement structure of the bridge is damaged, and the overall safety of the bridge is directly threatened. At present, along with the advancing of bridge engineering to the open sea, the pier bearing platform size is constantly increased, the wave dimension is also increasing, the effort that the bearing platform receives is also increasingly greater, simultaneously in order to protect the bearing platform from the buffer stop of boats and ships effect also increases the bearing platform size to a certain extent, the wave force that the bearing platform receives also increases correspondingly. At present, the bridge protection device is basically not used for the severe sea condition, and once extreme weather occurs, the bridge safety is difficult to ensure.
Disclosure of Invention
The invention aims to overcome the problems in the background technology and provide the bridge pier self-adjustment protection device and the bridge pier self-adjustment protection method under severe sea conditions.
The technical scheme provided by the invention is as follows: a pier self-adjusting protection device under severe sea conditions comprises a main body structure arranged around a pier structure and a water injection and drainage adjusting structure arranged inside the pier; the main body structure mainly comprises a metal outer frame and a rubber bag; the metal outer frame is divided into two blocks, the two blocks are respectively wrapped on the wave facing surface and the wave back surface of the pier, at least three rubber capsules are arranged in the metal outer frame side by side, one side of each rubber capsule is tightly attached to the pier, and the other side of each rubber capsule is tightly attached to the inner side of the metal outer frame; the water injection and drainage adjusting structure is used for injecting water into or draining water from the rubber bag.
Further, the water injection and drainage adjusting structure mainly comprises a two-way pump, a first electromagnetic butterfly valve, a second electromagnetic butterfly valve, a third electromagnetic butterfly valve, a first tee joint, a second tee joint, a third tee joint, a first four-way, a second four-way, a water flow energy dissipation core and a water absorption and drainage pipe; one end of the two-way pump extends into sea water through a water suction and drainage pipe, the other end of the two-way pump is communicated with a first three-way inlet through a water pipe, two outlets of the first three-way valve are respectively communicated with a first electromagnetic butterfly valve and a second electromagnetic butterfly valve through the water pipe, the first electromagnetic butterfly valve is communicated with a second three-way inlet through the water pipe, a first outlet of the second three-way valve is communicated with the first four-way inlet through the water pipe, the second electromagnetic butterfly valve is communicated with the third tee inlet through the water pipe, the first outlet of the third tee is communicated with the second four-way inlet through the water pipe, the second outlet of the second tee is communicated with the third electromagnetic butterfly valve, the water flow energy dissipation core and the second outlet of the third tee in sequence through the water pipe, and the three outlets of the first four-way and the three outlets of the second four-way are respectively communicated with the pier face rubber bag facing the back through the water pipe.
Further, the system also comprises monitoring and analyzing equipment, wherein the monitoring and analyzing equipment mainly comprises a wave height instrument, a range finder, a wireless transmitter, a wireless receiver and a central control computer; the wave height instrument is fixed on the outer side of the front edge of the bridge pier through a supporting structure, and the wireless transmitter is arranged on the supporting structure and connected with the wave height instrument; the range finder is arranged on the metal outer frame, and the wireless transmitter is arranged on the metal outer frame and connected with the range finder; the wireless receiver is connected with the central control computer in a wireless way; the two-way pump, the first electromagnetic butterfly valve, the second electromagnetic butterfly valve and the third electromagnetic butterfly valve are controlled by a central control computer.
Further, the bidirectional pump, the first electromagnetic butterfly valve, the second electromagnetic butterfly valve and the third electromagnetic butterfly valve are arranged in a waterproof instrument chamber preset in the bridge pier and are connected with a frequency converter through power cables, and the frequency converter is connected with a central control computer through a network cable.
Furthermore, a limit slider is arranged on the left side surface and the right side surface of the bridge pier in an up-down alternating mode, and the limit slider mainly comprises an I-shaped sliding rail fixedly connected with the metal outer frame and a sliding groove embedded in the side surface of the bridge pier.
Further, a rubber cushion is arranged on the outer side of the metal outer frame.
Further, the wireless receiver and the central control computer are both arranged in a control room.
Further, the water sucking and draining pipe is a pvc transparent steel wire hose; the water inlet and outlet of the water suction and drainage pipe is provided with a filter screen.
Furthermore, the weight is additionally arranged at the outer side of the water inlet and outlet of the water suction and outlet pipe, and the height of the water inlet and outlet is lower than the extremely low water level of the pier sea area.
The invention also provides a control method of the pier self-adjustment protection device under the severe sea condition, which comprises the following steps:
a. when the wave height of one tenth of the wave height is within the range of 0-4.0 m, the pier self-adjusting protection device is in a dormant state under the sea condition, namely the rubber bag water body is emptied, and the two-way pump, the first electromagnetic butterfly valve, the second electromagnetic butterfly valve and the third electromagnetic butterfly valve are all in a closed state;
b. when the tenth wave height is within the range of 4.0-9.0 m, the central control computer counts the period corresponding to the rough waves according to the real-time wave data measured by the wave height meterTBy utilizing wave dispersion relation and combining local water depthhCalculating the wavelength corresponding to the rough wavesLAnd calculate the bridge pier protecting device length based on the calculated lengthbAnd wavelength ofLDimensionless quantity of (2)kbWhereink=2π/LThe method comprises the steps of carrying out a first treatment on the surface of the According to bridge pier protectionProtective device telescopic length range and wavelengthLDetermination of dimensionless quantitykbChange range, reuse of dimensionless quantitykbRelationship with pier wave force, said dimensionless quantitykbThe relation between the bridge pier wave force and the bridge pier wave force is determined through fitting of physical model test results, and a dimensionless quantity is found outkbThe wave force value of the minimum bridge pier in the corresponding range is determinedkbValue, final combined wavelengthLCalculating the optimal protection length of the bridge pier protection device;
c. opening a two-way pump, a first electric control butterfly valve, a second electric control butterfly valve and a third electric control butterfly valve, injecting water into rubber bags on the wave facing surface and the wave back surface of the bridge pier, measuring the length of a bearing platform in real time by a range finder, and closing the two-way pump, the first electric control butterfly valve, the second electric control butterfly valve and the third electric control butterfly valve when the specified length is reached;
d. repeating the step b and the step c every 0.5-2 hours, and adjusting the length of the bearing platform to reach the optimal protection length through water injection and drainage according to real-time data of rough waves;
e. when the wave height of one tenth is more than 9.0m, opening a two-way pump, a first electric control butterfly valve, a second electric control butterfly valve and a third electric control butterfly valve, injecting certain water into the wave facing rubber bag and the wave backing rubber bag in advance, and then closing the two-way pump and all electromagnetic butterfly valves, wherein the wave facing rubber bag is injected with water more than the wave backing rubber bag, and the sum of the two is smaller than the total water injection quantity of a single side;
f. the wave height monitors sea surface changes in real time, and once abnormal waves or tsunami are detected, a third electric control butterfly valve is opened, and a first electric control butterfly valve and a second electric control butterfly valve are closed; after the abnormal wave or tsunami acts, the water quantity of the rubber water bag on the back wave facing surface is readjusted through a water injection and drainage pipeline for reuse;
g. and when the sea condition is changed, the self-protection system sleeps and is restored to the initial state.
The beneficial effects of the invention are as follows:
1. the invention provides a pier self-adjusting protection device under severe sea conditions, which can be used as a ship collision prevention device under normal sea condition adjustment; under severe sea conditions, proper measures can be taken according to sea conditions, and the maximum value of the total horizontal force of waves acting on the bridge pier is effectively reduced, so that the bridge safety is protected.
2. According to the invention, the length of the bridge pier self-adjusting protection device is adjusted through water injection and drainage, water in the rubber capsule and water outside offset, so that the additional mass of the bearing platform structure is reduced, meanwhile, the water injection and drainage are adopted, the mechanical transmission structure is reduced, the mechanical faults caused by mechanical corrosion in a high-salinity sea area are avoided, and the durability of equipment is improved.
3. The invention has the advantages of simple structure, small construction difficulty and high construction speed, can be combined with the traditional pier ship collision prevention device, and has relatively low cost.
Drawings
FIG. 1 is a schematic top view of the present invention;
FIG. 2 is a schematic side elevational view of the present invention;
FIG. 3 is a schematic view of the front cross-sectional structure of FIG. 1 of the present invention;
FIG. 4 is a front cross-sectional view of the interior of the pier of the present invention;
FIG. 5 is a dimensionless numberkbA relation diagram between the bridge pier wave force and the bridge pier wave force;
in the figure: 1. the device comprises a main body structure, 1-1, a metal outer frame, 1-2, a rubber capsule, 1-3, a limit slider, 1-3-1, an 'I' -shaped sliding rail, 1-3-2, a sliding groove, 1-4, a rubber cushion, 2, a water injection and drainage adjusting structure, 2-1, a two-way pump, 2-2, a first electromagnetic butterfly valve, 2-3, a second electromagnetic butterfly valve, 2-4, a third electromagnetic butterfly valve, 2-5, a first tee joint, 2-6, a second tee joint, 2-7, a third tee joint, 2-8, a first four joint, 2-9, a second four joint, 2-10, a water flow energy dissipation core, 2-11, a water absorption and drainage pipe, 3, monitoring and analysis equipment, 3-1, a range finder, 3-2, a wireless transmitter, 4 and a pier.
Detailed Description
For further understanding of the invention, the following examples are set forth to illustrate, but are not to be construed to limit the invention.
Referring to fig. 1 to 4, a pier self-adjusting protection device under severe sea conditions is characterized in that: the device comprises a main body structure 1 arranged around a pier structure, a water injection and drainage adjusting structure 2 arranged inside the pier and monitoring and analyzing equipment 3;
the main body structure mainly comprises a metal outer frame 1-1 and a rubber bag 1-2; the metal outer frame 1-1 is divided into two blocks, the two blocks are respectively wrapped on the wave facing surface and the wave back surface of the pier, at least three rubber bags 1-2 are arranged in the metal outer frame 1-1 side by side, one side of each rubber bag is tightly attached to the pier, the other side of each rubber bag is tightly attached to the inner side of the metal outer frame, a limiting slider 1-3 is alternately arranged on the left side surface and the right side surface of the pier up and down, the limiting sliders 1-3 mainly comprise an I-shaped sliding rail 1-3-1 connected with the metal outer frame 1-1 and a sliding groove 1-3-2 embedded on the side surface of the pier, and the rubber cushion 1-4 is arranged on the wave facing surface of the metal outer frame to prevent the rubber bags from being scratched by sharp structures when a ship is bumped to cause water leakage.
The water injection and drainage adjusting structure 2 mainly comprises a two-way pump 2-1, a first electromagnetic butterfly valve 2-2, a second electromagnetic butterfly valve 2-3, a third electromagnetic butterfly valve 2-4, a first tee joint 2-5, a second tee joint 2-6, a third tee joint 2-7, a first four-way joint 2-8, a second four-way joint 2-9, a water flow energy dissipation core 2-10 and a water suction and drainage pipe 2-11; one end of the two-way pump 2-1 extends into sea water through a water suction and drainage pipe 2-11, the other end of the two-way pump is communicated with a first tee joint 2-5 inlet through a water pipe, two outlets of the first tee joint 2-5 are respectively communicated with a first electromagnetic butterfly valve 2-2 and a second electromagnetic butterfly valve 2-3 through the water pipe, the first electromagnetic butterfly valve 2-2 is communicated with a second tee joint 2-6 inlet through the water pipe, a first outlet of the second tee joint 2-6 is communicated with a first four-way 2-8 inlet through the water pipe, the second electromagnetic butterfly valve is communicated with a third tee joint 2-7 inlet through the water pipe, a first outlet of the third tee joint 2-7 is communicated with a second four-way 2-9 inlet through the water pipe, a second outlet of the second tee joint 2-6 is sequentially communicated with a third electromagnetic butterfly valve 2-4, a water flow energy dissipation core 2-10 and a second outlet of the third tee joint 2-7 through the water pipe, and three outlets of the first four-way 2-8 are respectively communicated with a bridge pier 2-1 through a water pipe;
the monitoring and analyzing equipment 3 mainly comprises a wave height meter, a distance meter 3-1, a wireless transmitter 3-2, a wireless receiver and a central control computer; the wave height instrument is fixed on the outer side of the front edge of the bridge pier through a supporting structure so as to reduce the influence of wave reflection caused by the bridge pier on incident wave elements, and the wireless transmitter 3-2 is arranged on the supporting structure and connected with the wave height instrument; the range finder 3-1 is arranged on the metal outer frame 1-1, and the wireless transmitter 3-2 is arranged on the metal outer frame 1-1 and connected with the range finder 3-1; the wireless receiver is connected with the central control computer in a wireless way. The wireless receiver and the central control computer are both arranged in a control room. The bidirectional pump 2-1, the first electromagnetic butterfly valve 2-2, the second electromagnetic butterfly valve 2-3 and the third electromagnetic butterfly valve 2-4 are arranged in a waterproof instrument chamber preset in the bridge pier to reduce corrosion damage of high-salinity seawater and air to mechanical instruments, and all equipment is connected with a frequency converter through a power cable, and the frequency converter is connected with a central control computer through a network cable.
The water sucking and draining pipe 2-11 is a pvc transparent steel wire hose, which can ensure that the water sucking and draining pipe has certain toughness to prevent the ship from being crashed and prevent the pipe from being too soft to be beneficial to sucking and draining water; the water inlet and outlet openings of the water suction and discharge pipes 2-11 are provided with filter screens, so that sundries in the water body in the sea area near the bridge pier can be prevented from entering the water pipe to cause blockage; the heavy objects are additionally arranged on the outer sides of the water inlet and outlet ports of the water suction and outlet pipes 2-11, the height of the water inlet and outlet ports is lower than the extremely low water level of the pier sea area, and the protection device can be guaranteed to suck water from the sea water under any hydrologic condition, so that the telescopic movement of the protection device is realized.
The invention also provides a control method of the pier self-adjustment protection device under the severe sea condition, which comprises the following steps:
a. judging sea conditions according to wave elements measured in real time by a wave height instrument, so as to automatically judge whether a self-protection program is started or not;
b. when the wave height of one tenth of the wave height is within the range of 0-4.0 m, the pier self-adjusting protection device is in a dormant state under the sea condition, namely the rubber bag 1-2 is emptied, and the two-way pump 2-1, the first electromagnetic butterfly valve 2-2, the second electromagnetic butterfly valve 2-3 and the third electromagnetic butterfly valve 2-4 are all in a closed state;
c. when the tenth wave height is within the range of 4.0-9.0 m, the central control computer measures the real-time wave number according to the wave height meterAccording to statistics, the period corresponding to the rough wavesTUtilize wave dispersion relationWhereinLAs a function of the wavelength(s),his the local water depth) and combine the local water depthshCalculating the wavelength corresponding to the rough wavesLAnd calculate the bridge pier protecting device length based on the calculated lengthb(measured by rangefinder 3-1) and wavelengthLDimensionless quantity of (2)kbWhereink=2π/LThe method comprises the steps of carrying out a first treatment on the surface of the According to the telescopic length range and wavelength of the bridge pier protecting deviceLDetermination of dimensionless quantitykbChange range, reuse of dimensionless quantitykbRelationship with pier wave force (measured by force measuring instrument) (specific dimensionless quantity for different bridge piers, pier protecting devices and water level conditions)kbThe relation between the bridge pier wave force and the bridge pier wave force is obtained by fitting and determining the physical model test results, as shown in figure 5), and searching for the dimensionless quantitykbThe corresponding minimum pier wave force value (the lowest point P in the fitting curve) in the corresponding range is determinedkbValue, final combined wavelengthLCalculating the optimal protection length of the bridge pier protection device;
d. the central control computer sends instructions to the two-way pump, the first electric control butterfly valve, the second electric control butterfly valve and the third electric control butterfly valve, the two-way pump, the first electric control butterfly valve, the second electric control butterfly valve and the third electric control butterfly valve are opened, water is injected into rubber bags of the wave facing surface and the wave back surface of the bridge pier, the distance meter measures the length of the bearing platform in real time, and when the specified length is reached, the two-way pump, the first electric control butterfly valve, the second electric control butterfly valve and the third electric control butterfly valve are closed;
e. repeating the step c and the step d every 0.5-2 hours, and adjusting the length of the bearing platform to reach the optimal protection length by the self-protection system according to the real-time data of the rough sea through water injection and drainage;
f. when the wave height of one tenth is more than 9.0m, the water pump injects certain water into the rubber bags on the wave facing surface and the wave backing surface in advance, then all electromagnetic butterfly valves are closed, the rubber bags on the wave facing surface are injected with water more than the wave backing surface, and the sum of the two is smaller than the total water injection quantity on one side;
g. the wave height monitors sea surface changes in real time, and once abnormal waves or tsunami are detected, a third electric control butterfly valve is opened, and a first electric control butterfly valve and a second electric control butterfly valve are closed; after the abnormal wave or tsunami acts, the water quantity of the rubber water bag on the back wave facing surface is readjusted through a water injection and drainage pipeline for reuse;
h. and after the sea condition is changed, the device is restored to the initial state and is used as an anti-collision device.
Although the preferred embodiments of the present invention have been described above with reference to the accompanying drawings, the present invention is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those having ordinary skill in the art without departing from the spirit of the present invention and the scope of the appended claims, which are to be construed as falling within the scope of the present invention.
Claims (6)
1. A control method of a pier self-adjusting protection device under severe sea conditions is characterized by comprising the following steps: the method comprises the following steps:
a. when the wave height of one tenth of the wave height is within the range of 0 m-4.0 m, the pier self-adjusting protection device is in a dormant state under the sea condition, namely the rubber bag (1-2) is emptied of water, and the two-way pump (2-1), the first electromagnetic butterfly valve (2-2), the second electromagnetic butterfly valve (2-3) and the third electromagnetic butterfly valve (2-4) are all in a closed state;
b. when the tenth wave height is within the range of 4.0-9.0 m, the central control computer counts the period corresponding to the rough waves according to the real-time wave data measured by the wave height meterTBy utilizing wave dispersion relation and combining local water depthhCalculating the wavelength corresponding to the rough wavesLAnd calculate the bridge pier protecting device length based on the calculated lengthbAnd wavelength ofLDimensionless quantity of (2)kbWhereink=2π/LThe method comprises the steps of carrying out a first treatment on the surface of the According to the telescopic length range and wavelength of the bridge pier protecting deviceLDetermination of dimensionless quantitykbChange range, reuse of dimensionless quantitykbRelationship with pier wave force, said dimensionless quantitykbThe relation between the bridge pier wave force and the bridge pier wave force is determined through fitting of physical model test results, and a dimensionless quantity is found outkbThe wave force value of the minimum bridge pier in the corresponding range is determinedkbValue, final combined wavelengthLCalculating the optimal protection length of the bridge pier protection device;
c. opening a two-way pump, a first electric control butterfly valve, a second electric control butterfly valve and a third electric control butterfly valve, injecting water into rubber bags on the wave facing surface and the wave back surface of the bridge pier, measuring the length of the bridge pier protection device in real time by a range finder, and closing the two-way pump, the first electric control butterfly valve, the second electric control butterfly valve and the third electric control butterfly valve when the specified length is reached;
d. repeating the step b and the step c every 0.5-2 hours, and adjusting the length of the bridge pier protection device to reach the optimal protection length through water injection and drainage according to real-time data of rough waves;
e. when the wave height of one tenth is more than 9.0m, opening a two-way pump, a first electric control butterfly valve, a second electric control butterfly valve and a third electric control butterfly valve, injecting certain water into the wave facing rubber bag and the wave backing rubber bag in advance, and then closing the two-way pump and all electromagnetic butterfly valves, wherein the wave facing rubber bag is injected with water more than the wave backing rubber bag, and the sum of the two is smaller than the total water injection quantity of a single side;
f. the wave height monitors sea surface changes in real time, and once abnormal waves or tsunami are detected, a third electric control butterfly valve is opened, and a first electric control butterfly valve and a second electric control butterfly valve are closed; after the abnormal wave or tsunami acts, the water quantity of the rubber water bag on the back wave facing surface is readjusted through a water injection and drainage pipeline for reuse;
g. when the sea condition is changed, the self-protection system sleeps and is restored to the initial state;
the bridge pier self-adjusting protection device under the severe sea condition comprises a main body structure (1) arranged around a bridge pier structure and a water injection and drainage adjusting structure (2) arranged in the bridge pier; the main body structure mainly comprises a metal outer frame (1-1) and a rubber bag (1-2); the metal outer frame (1-1) is divided into two blocks, the two blocks are respectively wrapped on the wave facing surface and the wave back surface of the pier, at least three rubber bags (1-2) are arranged in the metal outer frame (1-1) side by side, one side of each rubber bag is clung to the pier, and the other side of each rubber bag is clung to the inner side of the metal outer frame; the water injection and drainage adjusting structure (2) is used for injecting water into or draining water from the rubber bag (1-2);
the water injection and drainage adjusting structure mainly comprises a two-way pump (2-1), a first electromagnetic butterfly valve (2-2), a second electromagnetic butterfly valve (2-3), a third electromagnetic butterfly valve (2-4), a first tee joint (2-5), a second tee joint (2-6), a third tee joint (2-7), a first four-way joint (2-8), a second four-way joint (2-9), a water flow energy dissipation core (2-10) and a water suction and drainage pipe (2-11); one end of the two-way pump (2-1) stretches into sea water through a water suction and drainage pipe (2-11), the other end of the two-way pump is communicated with an inlet of a first tee joint (2-5) through a water pipe, two outlets of the first tee joint (2-5) are respectively communicated with a first electromagnetic butterfly valve (2-2) and a second electromagnetic butterfly valve through the water pipe, the first electromagnetic butterfly valve (2-2) is communicated with an inlet of a second tee joint (2-6) through the water pipe, a first outlet of the second tee joint (2-6) is communicated with an inlet of the first tee joint (2-8) through the water pipe, the second electromagnetic butterfly valve is communicated with an inlet of a third tee joint (2-7) through the water pipe, a second outlet of the third tee joint (2-7) is sequentially communicated with an inlet of the second tee joint (2-9) through the water pipe, a water flow energy core (2-10) and a third outlet of the third tee joint (2-6) are sequentially communicated with an outlet of the third tee joint (2-8) through the water pipe, and a second outlet of the third tee joint (2-7) is communicated with a rubber bridge pier (2-8);
the monitoring and analyzing device (3) is mainly composed of a wave height meter, a distance meter (3-1), a wireless transmitter (3-2), a wireless receiver and a central control computer; the wave height instrument is fixed on the outer side of the front edge of the bridge pier through a supporting structure, and the wireless transmitter (3-2) is arranged on the supporting structure and connected with the wave height instrument; the range finder (3-1) is arranged on the metal outer frame (1-1), and the wireless transmitter (3-2) is arranged on the metal outer frame (1-1) and connected with the range finder (3-1); the wireless receiver is connected with the central control computer in a wireless way; the two-way pump (2-1), the first electromagnetic butterfly valve (2-2), the second electromagnetic butterfly valve (2-3) and the third electromagnetic butterfly valve (2-4) are controlled by a central control computer;
the bridge pier is characterized in that limit sliders (1-3) are alternately arranged on the left side surface and the right side surface of the bridge pier up and down, and each limit slider (1-3) mainly comprises an I-shaped sliding rail (1-3-1) fixedly connected with the metal outer frame (1-1) and a sliding groove (1-3-2) embedded in the side surface of the bridge pier.
2. The method according to claim 1, characterized in that: the bidirectional pump (2-1), the first electromagnetic butterfly valve (2-2), the second electromagnetic butterfly valve (2-3) and the third electromagnetic butterfly valve (2-4) are arranged in a waterproof instrument chamber preset in the bridge pier and are connected with a frequency converter through a power cable, and the frequency converter is connected with a central control computer through a network cable.
3. The method according to claim 1, characterized in that: rubber cushions (1-4) are arranged on the outer side of the metal outer frame.
4. The method according to claim 1, characterized in that: the wireless receiver and the central control computer are both arranged in a control room.
5. The method according to claim 1, characterized in that: the water sucking and draining pipe (2-11) is a pvc transparent steel wire hose; the water inlet and outlet of the water suction and discharge pipe (2-11) is provided with a filter screen.
6. The method according to claim 1, characterized in that: the outer sides of the water inlet and outlet ports of the water suction and outlet pipes (2-11) are additionally provided with weights, and the height of the water inlet and outlet ports is lower than the extremely low water level of the pier sea area.
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| CN201811583197.0A CN109736363B (en) | 2018-12-24 | 2018-12-24 | Pier self-adjustment protection device under severe sea condition and control method |
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| CN201811583197.0A CN109736363B (en) | 2018-12-24 | 2018-12-24 | Pier self-adjustment protection device under severe sea condition and control method |
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| CN109736363B true CN109736363B (en) | 2023-08-29 |
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| CN107675682A (en) * | 2017-11-14 | 2018-02-09 | 孔金河 | Floatation type anticollision device of pier |
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| US20040227051A1 (en) * | 2003-05-12 | 2004-11-18 | Bishop Lyndell Kevin | Floating structural object protection system |
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