CN113430996A - Pier anti-collision facility based on multistage orifice plate energy consumption - Google Patents
Pier anti-collision facility based on multistage orifice plate energy consumption Download PDFInfo
- Publication number
- CN113430996A CN113430996A CN202110850707.1A CN202110850707A CN113430996A CN 113430996 A CN113430996 A CN 113430996A CN 202110850707 A CN202110850707 A CN 202110850707A CN 113430996 A CN113430996 A CN 113430996A
- Authority
- CN
- China
- Prior art keywords
- collision
- tank body
- body section
- section
- self
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/20—Equipment for shipping on coasts, in harbours or on other fixed marine structures, e.g. bollards
- E02B3/26—Fenders
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/02—Piers; Abutments ; Protecting same against drifting ice
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Ocean & Marine Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention provides a pier anti-collision facility, which comprises a plurality of anti-collision unit sections with the same or different shapes, wherein each anti-collision unit section comprises an anti-collision self-floating tank body section and an energy consumption tank body section; wherein, the casing of anticollision is formed by rigid material from floating tank body section, power consumption tank body section includes at least one throttle unit, be formed with the S-shaped power consumption passageway that forms by the at least two-layer rivers chamber of arranging from top to bottom in every throttle unit, every layer rivers chamber is through setting up in the terminal first orifice of rivers direction and lower floor rivers chamber intercommunication, every layer rivers chamber still cuts apart into a plurality of cavities through a plurality of perpendicular orifice plates, set up the delivery port with the rivers chamber intercommunication of superiors on the roof of power consumption tank body section shell, be equipped with the water inlet with the rivers chamber intercommunication of lower floor on the diapire of shell. When the ship size and the collision severity grade change greatly, the invention can realize multi-stage energy consumption, thereby realizing the advantages of no damage in the case of small and medium ship collision accidents and maintainability in major accidents.
Description
Technical Field
The invention relates to the field of pier collision avoidance facilities, in particular to a pier collision avoidance facility based on energy consumption of a multi-stage orifice plate.
Background
Compared with land transportation, the shipping has the advantages of large carrying tonnage, long shipping distance, low shipping cost and the like, and along with the fact that the state continues to increase the investment on the construction of shipping infrastructure, the total mileage of inland waterway navigation is high in innovation. Meanwhile, many inland rivers are in the research of channel expansion or capacity expansion feasibility, and the ground shipping can be expected to meet the development of higher level. In land transportation, roads and railways inevitably cross a navigation channel, and usually adopt a bridge structure form. On the premise that all conditions allow, the bridge can adopt a mode of crossing a river, so that collision between the bridge pier and the ship is avoided; however, in general, due to economic considerations, piers are required to be arranged near a navigation channel to reduce the span of a bridge, and the risk of collision between a ship and the piers cannot be completely eliminated. Due to the complex navigation environment of the water area in the bridge area, after a ship collision accident occurs, the ship bridge is damaged if the ship collision accident occurs, and the ship is damaged or the bridge collapses if the ship collision accident occurs, so that the accident loss is difficult to estimate, and the problem of ship collision is more and more emphasized in various countries.
The ship collision defense technology research is carried out on the through-air hole pier, the ship collision defense capacity of the bridge is improved, and the method has extremely important significance in economy, society and environmental protection. At present, the traditional indirect pier and ship collision defense facilities influence a channel, block flood and have high manufacturing cost, while the direct collision-resistant facilities such as a steel structure sleeve box or a floating box have the problems of high rigidity, easy corrosion, high manufacturing cost and maintenance cost, poor self-repairing performance after collision and the like.
In view of the above, it is necessary to provide an anti-collision facility for a pier based on energy consumption of a multi-stage orifice plate to solve the above problems.
Disclosure of Invention
The invention mainly aims to provide a pier collision prevention facility based on energy consumption of a multi-stage throttling orifice plate, and aims to solve the problems that the current traditional indirect pier and ship collision prevention facility influences a channel, hinders flood and is high in manufacturing cost, and direct collision prevention facilities such as a steel structure pouring jacket or a floating box are high in rigidity, easy to corrode, high in manufacturing cost and maintenance cost, poor in self-repairing performance after collision and the like.
In order to achieve the aim, the invention provides a pier anti-collision facility based on energy consumption of a multi-stage orifice plate, which comprises a plurality of anti-collision unit sections with the same or different shapes, wherein the anti-collision unit sections are sequentially connected end to form an anti-collision ring capable of surrounding a pier; each anti-collision unit section comprises an anti-collision self-floating tank body section and an energy consumption tank body section, wherein the anti-collision self-floating tank body section and the energy consumption tank body section are hollow inside from outside to inside along the radial direction of the anti-collision ring; wherein the content of the first and second substances,
the shell of the anti-collision self-floating tank body section is made of rigid materials, a plurality of connecting pieces are arranged on one side, close to the energy consumption tank body section, of the anti-collision self-floating tank body section at intervals, and the energy consumption tank body section is connected to the anti-collision self-floating tank body section through the connecting pieces;
the energy consumption box body section comprises a shell made of flexible materials and at least one throttling unit located in the shell and arranged along the circumferential direction of the anti-collision ring, an S-shaped energy consumption channel formed by at least two layers of water flow cavities arranged up and down is formed in each throttling unit, each layer of water flow cavity is communicated with the next layer of water flow cavity through a first throttling hole arranged at the tail end of the water flow direction, and each layer of water flow cavity is further divided into a plurality of cavities through a plurality of vertical throttling hole plates; the water outlet communicated with the uppermost layer of the water flow cavity is formed in the top wall of the shell, and the water inlet communicated with the lowermost layer of the water flow cavity is formed in the bottom wall of the shell.
Preferably, each energy consumption box body section comprises a plurality of throttling units arranged along the circumferential direction of the anti-collision ring, and a vertical partition plate made of flexible materials is shared between every two adjacent throttling units; the water flow cavities of two adjacent layers are separated by a horizontal partition plate made of flexible materials; the first throttle hole is opened on the horizontal partition plate or the first throttle hole is opened on the vertical throttle hole plate.
Preferably, the number of layers of the water flow cavity is three; the number of the chambers in each layer is 3.
Preferably, a tesla valve with a preset length is further reversely connected to the position, close to the water outlet and the water inlet, in the housing, so that the water body in the housing is discharged out of the housing along the reverse flow direction of the tesla valve.
Preferably, the inner cavity of the anti-collision self-floating tank body section is filled with a light energy consumption material, and the light energy consumption material comprises one or more of light ceramsite, plastic particles, plastic hollow spheres, foam concrete particles, polyphenyl particle concrete particles and ceramsite concrete particles.
Preferably, a plurality of rubber fenders for protecting the energy dissipation tank body sections and the bridge piers are arranged on one side of the energy dissipation tank body sections, which is far away from the anti-collision self-floating tank body sections, at intervals.
Preferably, the connector is a flexible cuff.
Preferably, the cross section of the anti-collision self-floating tank body section along the radial direction of the anti-collision ring is in a trapezoid shape with a wide top and a narrow bottom, the cross section of the energy consumption tank body section along the radial direction of the anti-collision ring is in a trapezoid shape with a narrow top and a wide bottom, and the cross section of each anti-collision unit section along the radial direction of the anti-collision ring is in a rectangular shape.
Preferably, the housing of the anti-collision self-floating tank body section is made of steel or rigid composite material; the shell, the horizontal spacing plate, the vertical spacing plate and the vertical throttling orifice plate are all made of flexible rubber materials.
Preferably, the top of the shell of the anti-collision self-floating box body section is provided with a closed access door for daily maintenance and repair.
Compared with the prior art, the invention has the following beneficial effects:
1. the anti-collision unit of the anti-collision facility comprises an anti-collision self-floating tank body section and an energy consumption tank body section, can realize self-adaptive water filling restoration after a medium and small ship is collided, and can realize lossless energy consumption of the anti-collision facility; besides the energy consumption of the water flow cavity, the anti-collision self-floating tank body section can also participate in deformation and energy dissipation in the event of large ship collision, so that the safety of the bridge pier and the ship is ensured. The anti-collision facility can realize multi-stage energy dissipation when the size of the ship and the collision severity level change greatly, and has the advantages of no damage to medium and small accidents and repairable major accidents.
2. The larger the external ship collision force is, the larger the water body movement speed in the energy consumption box body section is, and the higher the energy consumption density is.
3. The medium in the water flow cavity is water, and can be supplied from the river channel at any time.
4. The buoyancy and the dead weight of the anti-collision self-floating body section and the energy consumption tank section are matched, and the lifting along with the water level change can be realized.
5. The S-shaped energy consumption channel formed by at least two layers of water flow cavities which are vertically arranged is formed in each throttling unit, wherein the number of layers of the water flow cavities and the number of throttling orifice plates can be adjusted according to the ship collision force level.
6. The reverse Tesla valves are arranged at the water outlet and the water inlet of the energy consumption box body section, so that the energy consumption density during working and the water inlet speed during recovery can be increased, the continuous anti-collision performance of the energy consumption box body section is improved, the length of the reverse Tesla valves can be adjusted according to actual requirements and can be set to 0-10 levels, and under the condition that the reverse Tesla valves are arranged at the water outlet and the water inlet of the energy consumption box body section, no throttling orifice plate can be arranged in the water flow cavity.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic view of a spatial structure in embodiment 1 of the present invention;
FIG. 2 is a schematic sectional view in example 1 of the present invention;
FIG. 3 is another schematic cross-sectional view according to embodiment 1 of the present invention;
FIG. 4 is a schematic sectional view of an energy consumption box section according to embodiment 1 of the present invention in operation;
FIG. 5 is a schematic sectional view of the energy consuming box section being recovered in accordance with embodiment 1 of the present invention;
FIG. 6 is a schematic view of a spatial structure in embodiment 2 of the present invention;
FIG. 7 is a schematic sectional view in example 2 of the present invention;
FIG. 8 is another schematic sectional view in example 2 of the present invention;
FIG. 9 is a schematic sectional view of an energy dissipating box section according to embodiment 2 of the present invention in operation;
fig. 10 is a schematic sectional view of the energy consuming box section being recovered in embodiment 2 of the present invention;
FIG. 11 is a schematic cross-sectional view of an embodiment of the present invention;
FIG. 12 is a schematic sectional view of an energy dissipating box section according to embodiment 3 of the present invention in operation;
fig. 13 is a schematic cross-sectional view of the energy-consuming box section being recovered according to embodiment 3 of the present invention.
The objects, features and advantages of the present invention will be further explained with reference to the accompanying drawings.
The reference numbers illustrate:
a crash-proof self-floating tank section 100; a housing 110; a connecting member 120; a flexible cuff 121; a hermetic access door 130; a lightweight energy dissipating material 140;
an energy-consuming box section 200; a housing 210; a water flow chamber 220; an orifice plate 230; a vertical orifice plate 231; the first orifice 232; a water outlet 233; a water inlet 234; a vertical partition plate 240; a horizontal spacer plate 250; a Tesla valve 260; rubber fender 270.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
Referring to fig. 1 to 13, in an embodiment of the present invention, an anti-collision facility for an abutment based on energy consumption of a multi-stage orifice plate includes a plurality of anti-collision unit segments (not shown) having the same or different shapes, and the plurality of anti-collision unit segments are sequentially connected end to form an anti-collision ring (not shown) capable of surrounding the abutment; each anti-collision unit section comprises an anti-collision self-floating tank body section 100 and an energy consumption tank body section 200 which are hollow inside from outside to inside along the radial direction of the anti-collision ring; it will be understood by those skilled in the art that the self-ballasted tank section 100 is disposed outside the anti-collision ring, and the self-ballasted tank section 100 can withstand the ship collision force after contacting the ship and transmit the ship collision force to the energy-consuming tank section 200, and also can provide sufficient buoyancy for the entire anti-collision facility; the energy-consuming box section 200 may enable internal turbulence and energy consumption of a body of water located within the enclosure 210.
The hull 110 of the self-floating tank body segment 100 is made of a rigid material, a plurality of connectors 120 are spaced apart from one side of the self-floating tank body segment 100 close to the energy-consuming tank body segment 200, and the energy-consuming tank body segment 200 is connected to the self-floating tank body segment 100 through the connectors 120; the rigid material includes, but is not limited to, steel or a rigid composite material, for example, the corrosion resistance of the housing 110 can be improved by using the rigid composite material. In addition, the connecting member 120 includes, but is not limited to, a flexible hoop 121, a snap ring, and a snap, and preferably, the connecting member 120 in this embodiment is a flexible hoop 121, which enables a flexible connection between the crash self-floating tank body segment 100 and the energy-consuming tank body segment 200.
The energy-consuming box section 200 comprises an outer shell 210 made of a flexible material and at least one throttling unit (not shown) arranged in the circumferential direction of the anti-collision ring and positioned in the outer shell 210, wherein an S-shaped energy-consuming channel formed by at least two layers of water flow cavities 220 arranged up and down is formed in each throttling unit, each layer of water flow cavity 220 is communicated with the next layer of water flow cavity 220 through a throttling hole 232 arranged at the tail end in the water flow direction, and each layer of water flow cavity 220 is further divided into a plurality of chambers through a plurality of vertical throttling orifice plates 231; a water outlet 233 communicated with the uppermost water flow cavity 220 is formed in the top wall of the housing 210, and a water inlet 234 communicated with the lowermost water flow cavity 220 is formed in the bottom wall of the housing 210.
It should be noted by those skilled in the art that the number of the throttling units and the number of the layers of the water flow chamber 220 of each throttling unit can be set according to actual needs. The orifice plate 230 is a plate with a plurality of first orifices 232, and the orifice plate 230 is used for reducing the aperture at a proper position of the pipeline, so that when liquid passes through the necking, the flow bundle can be thinned or shrunk. The smallest cross section of the flow stream occurs downstream of the actual throat, called the throat. At the flow reduction cross-section, the flow velocity is at its maximum, and an increase in flow velocity is accompanied by a large decrease in pressure at the flow reduction cross-section. As the stream expands into a larger area, the velocity decreases and the pressure increases, but the downstream pressure does not fully return to the upstream pressure as a result of the greater internal turbulence and energy dissipation.
In addition, in other embodiments, the orifice plate 230 in the energy-consuming box section 200 may also be designed to have a variable throttling capability, that is, the orifice plate 230 in the middle of the energy-consuming box section 200 has a large aperture, a large number of holes, and a low throttling strength; the throttle orifice plates near the water inlet 234 and the water outlet 233 have the characteristics of small aperture, small hole number and high throttle strength. The advantages of such a design are: the ship collision position usually occurs in the middle of the pier collision avoidance facility, and at the collision moment, water in the middle cavity rapidly flows to the energy consumption cavity section 200 in the directions of the water inlet 234 and the water outlet 233 under the condition of small flow resistance, so that the energy at the initial stage of collision can be rapidly absorbed, and the collision kinetic energy can be converted into water flow energy; then, when the water flow approaches the water inlet 234 and the water outlet 233, the water flow is subjected to a large throttling resistance, so that the water flow energy is converted into heat energy to be dissipated.
Meanwhile, the energy-consuming box section 200 is vertically divided into at least two layers to ensure the energy-consuming effect of the ship when the ship collides at any angle. The number of the holes of each throttle orifice 230 can be one or more, the total area of the first throttle holes 232 is smaller than that of the single-layer water flow cavity 220, and the ratio of the total area of the first throttle holes 232 to that of the single-layer water flow cavity 220 is set to be 0.4-0.8 and can be specifically adjusted according to actual needs. The series and the aperture of the orifice plate 230 can be determined by calculation according to a related calculation method of steam-water pipeline design specification of a thermal power plant DL/T5054-2016.
The working principle is as follows: referring to fig. 4-5, when a general ship is out of control to impact a collision avoidance facility, the bow contacts with the self-floating tank collision avoidance segment 100, the self-floating tank collision avoidance segment 100 transmits force to the energy consumption tank segment 200, and the water in the energy consumption tank segment 200 is extruded by the ship impact load and then rapidly discharged from the water inlet 234 and the water outlet 233 (wherein, the direction of the arrow represents the flow direction of the water), and the water passes through the multi-stage orifice plate 230 to dissipate energy, thereby achieving the purpose of consuming the ship impact energy.
When the ship collision accident is removed, the energy-consuming tank section 200 gradually recovers to its original shape, at this time, the water inlet 234 of the energy-consuming tank section 200 starts to feed water, the water outlet starts to discharge air from the energy-consuming tank section 200 until the buoyancy and the dead weight of the anti-collision facility are balanced, the water level in the energy-consuming tank section 200 is recovered to the level before the ship collision, and the anti-collision facility is automatically recovered.
When a serious ship collision accident occurs, after the water energy consumption process in the energy consumption tank section 200 is finished, the ship speed is still not reduced to 0, and at the moment, the ship speed is automatically converted into the deformation energy consumption of the anti-collision self-floating tank section 100 until the speed of the ship relative to the bridge pier is reduced to 0. Such an accident requires manual replacement of the damaged section of the tank section 100 for continued use.
Therefore, the anti-collision facility can realize multi-stage energy consumption when the ship size and the collision severity grade change greatly, thereby realizing the advantages of no damage in the case of collision accidents of small and medium ships and maintainability in major accidents.
As a preferred embodiment of the present invention, each energy consumption box section 200 includes a plurality of throttling units arranged in a circumferential direction of the anti-collision ring, and a vertical partition 240 made of a flexible material is shared between two adjacent throttling units; the water flow cavities 220 of two adjacent layers are separated by a horizontal partition plate 250 made of flexible material; the orifice 232 opens in the horizontal partition plate 250 or the orifice 232 opens in the vertical orifice plate 231.
The flexible material includes but is not limited to rubber, two adjacent throttling units can share one vertical throttling orifice plate 231, the vertical throttling orifice plate 231 can also be independently arranged, the setting can be specifically carried out according to actual needs, when two throttling units share one throttling orifice plate 230, the material can be saved, and the overall structure is optimized. In addition, the partition plates of the water flow cavities 220 of two adjacent layers can be horizontal, and can also be in other angles or other forms. It should be noted that the position of the throttle hole 232 may also be set according to actual needs, for example, in a specific embodiment, the throttle hole 232 is set on a horizontal partition at the end of each layer of the water flow cavity 220 in the water flow direction, or on a vertical throttle hole 231 at the end of each layer of the water flow cavity 220 in the water flow direction, or on other throttle holes 230 with a preset inclination angle.
In a specific embodiment, the number of layers of the water flow chamber 220 is three; the number of the chambers in each layer is 8. In other embodiments, the number of the water flow cavities 220 may be other numbers, and the number of the cavities in each layer may be set according to actual needs, which is not described herein.
In another preferred embodiment of the present invention, a tesla valve 260 having a predetermined length is further connected to the inside of the housing 210 near the water outlet 233 and the water inlet 234 in an opposite direction, so that the water in the housing 210 is discharged out of the housing 210 in a reverse flow direction of the tesla valve 260. It will be appreciated by those skilled in the art that for most in-line flows, where the driving force for the flow is from pressure, i.e., flow from a high pressure region to a low pressure region, the tesla valve 260 is clever in that when the fluid flows in the forward direction, the total pressure loss is small, but when the fluid flows in the reverse direction, the loss is very large. The invention skillfully applies the characteristic of large pressure drop of the reverse flow path of the fluid in the Tesla valve 260, and the Tesla valve 260 is reversely arranged in the shell 110 close to the water inlet 234 and the water outlet 233, so that the water flow speed in the water flow cavity 220 can be reduced while energy consumption is realized.
It should be noted that the length of the tesla valve 260 can be adjusted according to actual needs, for example, the length can be set to 0-10 level, and in the case of the reverse tesla valve 260, the vertical orifice plate 231 may not be provided, so as to ensure that a proper amount of water can be discharged to consume energy in the energy-consuming tank section 200 in the event of a ship collision accident.
Further, the inner cavity of the anti-collision self-floating tank body section 100 is filled with a light energy dissipation material 140, and the light energy dissipation material 140 includes one or more of light ceramsite, plastic particles, plastic hollow spheres, foam concrete particles, polyphenyl particle concrete particles and ceramsite concrete particles. In order to increase the buoyancy of the self-floating tank body segment 100, the inner cavity of the self-floating tank body segment 100 is filled with light energy-consuming materials 140, and the light energy-consuming materials 140 include, but are not limited to, light ceramsite, plastic granules, plastic hollow spheres, foam concrete particles, polyphenyl granule concrete particles and ceramsite concrete particles.
Further, a plurality of rubber fenders 270 for protecting the energy-consuming tank segment 200 and a pier (not shown) are provided at intervals on a side of the energy-consuming tank segment 200 away from the anti-collision self-floating tank segment 100.
As a preferred embodiment of the present invention, a cross section of the self-floating tank collision avoidance segment 100 along the radial direction of the collision prevention ring has a trapezoidal shape with a wide top and a narrow bottom, a cross section of the energy consumption tank segment 200 along the radial direction of the collision prevention ring has a trapezoidal shape with a narrow top and a wide bottom, and a cross section of each collision prevention unit segment along the radial direction of the collision prevention ring has a rectangular shape. The cross section of the anti-collision self-floating tank body section 100 is designed to be in a ladder shape with a wide upper part and a narrow lower part, so that the increase of the buoyancy provided by the anti-collision self-floating tank body section 100 is increased along with the increase of the water penetration depth, and the anti-collision self-floating tank body section is adapted to different ship collision accidents.
Further, the housing 210, the horizontal partition plate 250, the vertical partition plate 240, and the vertical orifice plate 231 are all made of flexible rubber. The flexible rubber material can adapt to the characteristics of large deformation and good self-recovery performance.
Further, the top of the housing 110 of the anti-collision self-floating tank body section 100 is opened with a closed access door 130 for routine maintenance and repair.
To facilitate a clearer understanding of the present invention by those skilled in the art, reference will now be made to the following examples:
example 1
Referring again to fig. 1-5, the anti-collision facility for a bridge pier comprises a plurality of anti-collision unit sections with the same shape, and the anti-collision unit sections are sequentially connected end to form an anti-collision ring capable of surrounding the bridge pier; each anti-collision unit section comprises an anti-collision self-floating tank body section 100 and an energy consumption tank body section 200 which are hollow inside from outside to inside along the radial direction of the anti-collision ring;
the hull 110 of the self-floating tank body segment 100 is made of a rigid material, a plurality of connectors 120 are spaced apart from one side of the self-floating tank body segment 100 close to the energy-consuming tank body segment 200, and the energy-consuming tank body segment 200 is connected to the self-floating tank body segment 100 through the connectors 120;
the energy consumption box section 200 comprises a shell 210 made of a flexible rubber material and a throttling unit located in the shell 210 and arranged along the circumferential direction of the anti-collision ring, wherein an S-shaped energy consumption channel formed by three layers of water flow cavities 220 arranged up and down is formed in the throttling unit, each layer of water flow cavity 220 is communicated with the next layer of water flow cavity 220 through a throttling hole 232 arranged at the tail end of the water flow direction, and each layer of water flow cavity 220 is further divided into 8 chambers through a plurality of vertical throttling hole plates 231; a water outlet 233 communicated with the uppermost water flow cavity 220 is formed in the top wall of the housing 210, and a water inlet 234 communicated with the lowermost water flow cavity 220 is formed in the bottom wall of the housing 210.
A vertical throttle orifice plate 231 made of flexible materials is shared between two adjacent throttle units; the water flow cavities 220 of two adjacent layers are separated by a horizontal partition plate 250 made of flexible material; the throttle hole 232 opens in the horizontal partition plate 250.
The inner cavity of the anti-collision self-floating tank body section 100 is filled with light energy dissipation materials 140, and the light energy dissipation materials 140 are plastic hollow spheres.
A plurality of rubber fenders 270 for protecting the energy-consuming tank body section 200 are arranged at intervals on one side of the energy-consuming tank body section 200 away from the anti-collision self-floating tank body section 100.
The cross section of the anti-collision self-floating tank body section 100 along the radial direction of the anti-collision ring is in a trapezoid shape with a wide top and a narrow bottom, the cross section of the energy consumption tank body section 200 along the radial direction of the anti-collision ring is in a trapezoid shape with a narrow top and a wide bottom, and the cross section of each anti-collision unit section along the radial direction of the anti-collision ring is in a rectangular shape.
The horizontal partition plate 250, the vertical orifice plate 231, and the vertical orifice plate 231 are all made of flexible rubber.
The top of the housing 110 of the anti-collision self-floating tank body section 100 is provided with a closed access door 130 for routine maintenance and repair.
Example 2
Referring again to fig. 6 to 10, embodiment 2 differs from embodiment 1 in that the orifice 232 is opened in the vertical orifice plate 231. In other words, the horizontal partition plates 250 of each layer are provided with a plurality of orifices 232 at the water flow end of the water flow cavity 220, and the rest of the same parts are not described in detail.
Example 3
Referring to fig. 12 to 13 again, embodiment 3 is different from embodiment 1 in that a tesla valve 260 having a length of 3 stages is further reversely connected to the inside of the housing 210 near the water outlet 233 and the water inlet 234, so that the water in the housing 210 is discharged out of the housing 210 in a reverse flow direction of the tesla valve 260. The vertical orifice 231 may not be provided at the position where the reverse tesla valve 260 is provided, and the rest of the same parts are not described in detail.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. The pier collision avoidance facility is characterized by comprising a plurality of collision avoidance unit sections with the same or different shapes, wherein the collision avoidance unit sections are sequentially connected end to form collision avoidance rings capable of surrounding piers; each anti-collision unit section comprises an anti-collision self-floating tank body section and an energy consumption tank body section, wherein the anti-collision self-floating tank body section and the energy consumption tank body section are hollow inside from outside to inside along the radial direction of the anti-collision ring; wherein the content of the first and second substances,
the shell of the anti-collision self-floating tank body section is made of rigid materials, a plurality of connecting pieces are arranged on one side, close to the energy consumption tank body section, of the anti-collision self-floating tank body section at intervals, and the energy consumption tank body section is connected to the anti-collision self-floating tank body section through the connecting pieces;
the energy consumption box body section comprises a shell made of flexible materials and at least one throttling unit located in the shell and arranged along the circumferential direction of the anti-collision ring, an S-shaped energy consumption channel formed by at least two layers of water flow cavities arranged up and down is formed in each throttling unit, each layer of water flow cavity is communicated with the next layer of water flow cavity through a first throttling hole arranged at the tail end of the water flow direction, and each layer of water flow cavity is further divided into a plurality of cavities through a plurality of vertical throttling hole plates; the water outlet communicated with the uppermost layer of the water flow cavity is formed in the top wall of the shell, and the water inlet communicated with the lowermost layer of the water flow cavity is formed in the bottom wall of the shell.
2. The bridge pier collision avoidance facility according to claim 1, wherein each energy-consuming tank section comprises a plurality of throttling units arranged in the circumferential direction of the collision-prevention ring, and a vertical partition plate made of a flexible material is shared between two adjacent throttling units; the water flow cavities of two adjacent layers are separated by a horizontal partition plate made of flexible materials; the first throttle hole is opened on the horizontal partition plate or the first throttle hole is opened on the vertical throttle hole plate.
3. The anti-collision facility for piers according to claim 2, wherein the number of layers of the water flow chamber is three; the number of the chambers in each layer is 3.
4. The anti-collision facility for piers according to claim 2, wherein a tesla valve of a preset length is further reversely connected to the inside of the housing near the water outlet and the water inlet, so that the water in the housing is discharged out of the housing in a reverse flow direction of the tesla valve.
5. The anti-collision facility for piers according to any one of claims 1 to 4, wherein the inner cavity of the anti-collision self-floating box section is filled with light energy-consuming materials, and the light energy-consuming materials comprise one or more of light ceramsite, plastic granules, plastic hollow spheres, foam concrete particles, polyphenyl granule concrete particles and ceramsite concrete particles.
6. The anti-collision facility for piers according to any one of claims 1 to 4, wherein a plurality of rubber fenders for protecting the energy-consuming tank segments and piers are provided at intervals on one side of the energy-consuming tank segments away from the anti-collision self-floating tank segments.
7. The bridge pier collision avoidance facility of claim 1, wherein the connector is a flexible ferrule.
8. The bridge pier collision avoidance facility according to claim 5, wherein a cross-section of the collision avoidance self-floating tank body section in a radial direction of the collision avoidance ring has a trapezoidal shape with a wide top and a narrow bottom, a cross-section of the energy dissipation tank body section in the radial direction of the collision avoidance ring has a trapezoidal shape with a narrow top and a wide bottom, and a cross-section of each collision avoidance unit section in the radial direction of the collision avoidance ring has a rectangular shape.
9. The bridge pier collision avoidance facility according to any one of claims 1 to 4, wherein the hull of the collision-resistant self-floating tank section is steel or a rigid composite material; the shell, the horizontal spacing plate, the vertical spacing plate and the vertical throttling orifice plate are all made of flexible rubber materials.
10. The anti-collision facility for piers according to any one of claims 1 to 4, wherein a closed access door for routine maintenance and repair is opened at the top of the housing of the anti-collision self-floating tank body section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110850707.1A CN113430996B (en) | 2021-07-27 | 2021-07-27 | Pier anti-collision facility based on multistage orifice plate energy consumption |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110850707.1A CN113430996B (en) | 2021-07-27 | 2021-07-27 | Pier anti-collision facility based on multistage orifice plate energy consumption |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113430996A true CN113430996A (en) | 2021-09-24 |
| CN113430996B CN113430996B (en) | 2022-07-01 |
Family
ID=77761873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110850707.1A Active CN113430996B (en) | 2021-07-27 | 2021-07-27 | Pier anti-collision facility based on multistage orifice plate energy consumption |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113430996B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101709574A (en) * | 2009-11-10 | 2010-05-19 | 南京工业大学 | Self-floating composite material bridge pressurized-water anti-collision device |
| CN105179572A (en) * | 2015-07-19 | 2015-12-23 | 常州大学 | Double-rod multistage-diffraction magneto-rheological damper |
| CN208668260U (en) * | 2018-07-08 | 2019-03-29 | 长沙三远钢结构有限公司 | A kind of steel structure bridge shock mount |
| CN111120194A (en) * | 2019-07-12 | 2020-05-08 | 西北工业大学 | Seawater impact power generation equipment based on multistage Tesla valve |
-
2021
- 2021-07-27 CN CN202110850707.1A patent/CN113430996B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101709574A (en) * | 2009-11-10 | 2010-05-19 | 南京工业大学 | Self-floating composite material bridge pressurized-water anti-collision device |
| CN105179572A (en) * | 2015-07-19 | 2015-12-23 | 常州大学 | Double-rod multistage-diffraction magneto-rheological damper |
| CN208668260U (en) * | 2018-07-08 | 2019-03-29 | 长沙三远钢结构有限公司 | A kind of steel structure bridge shock mount |
| CN111120194A (en) * | 2019-07-12 | 2020-05-08 | 西北工业大学 | Seawater impact power generation equipment based on multistage Tesla valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113430996B (en) | 2022-07-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104727279B (en) | A kind of netted intercepting system of composite floatation type and construction method | |
| WO2018210198A1 (en) | Basic module of very large floating structure | |
| CN106351178B (en) | A kind of anti-ship collision device of bridge pier | |
| CN113226916A (en) | Floating body for offshore structure | |
| CN113430996B (en) | Pier anti-collision facility based on multistage orifice plate energy consumption | |
| CN102286937A (en) | Isolation type dual-protection pier collision prevention method and device adopting auxiliary piers | |
| CN1112483C (en) | Potoon bordge on sea not rocking with wave and its erection method | |
| CN202849927U (en) | Optimized energy absorption device for bridge anti-collision facility | |
| CN111254817A (en) | Multistage anticollision facility of pier | |
| CN115045180A (en) | Construction method of graded energy-consumption ship-collision-prevention buffer device capable of quantifying collision resistance | |
| CN114438956B (en) | Floating type wave prevention system for offshore platform and construction method | |
| CN204510153U (en) | The netted intercepting system of a kind of composite material floatation type | |
| CN101487228A (en) | Floating bank apparatus | |
| CN111088786B (en) | Double-layer staggered-hole energy dissipation cabin for ship lock | |
| CN205636658U (en) | Crashproof structure of inland river intake | |
| CN1888321A (en) | L-type energy dissipater | |
| CN115387209B (en) | Pier buffer stop | |
| CN201358438Y (en) | Floating shore connection device | |
| CN111088787B (en) | Three-stage energy dissipation cabin nested in lock chamber of ship lock and ship lock passing method | |
| CN212294531U (en) | Quick water filling type floating breakwater | |
| CN218813526U (en) | Bridge buffer stop based on flexible composite structure | |
| CN215155497U (en) | Anti-collision interception net system and anti-wind-wave buoy thereof | |
| CN218626023U (en) | FPSO topside sea water elevator pump pipe prevents bumping protection architecture | |
| CN105821808A (en) | Anti-collision structure for inland river water taking opening | |
| CN216238095U (en) | Anticollision steel flotation tank |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |