CN213062006U - Air curtain structure for reducing construction noise of steel pipe pile - Google Patents
Air curtain structure for reducing construction noise of steel pipe pile Download PDFInfo
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- CN213062006U CN213062006U CN202020981576.1U CN202020981576U CN213062006U CN 213062006 U CN213062006 U CN 213062006U CN 202020981576 U CN202020981576 U CN 202020981576U CN 213062006 U CN213062006 U CN 213062006U
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Abstract
The utility model provides an air curtain structure for reducing steel-pipe pile construction noise, air curtain structure includes: a first layer of annular air curtain arranged around the peripheral wall of the steel pipe pile, and a second layer of annular air curtain arranged around the peripheral wall of the first layer of annular air curtain, wherein a gap is formed between the first layer of annular air curtain and the second layer of annular air curtain; the steel pipe piles are located inside the first layer of annular air curtain, and the steel pipe piles and marine fishes are isolated and protected by the first layer of annular air curtain and the second layer of annular air curtain. The utility model discloses formed the isolation protection region between steel-pipe pile and marine fish, just so can't cause noise pollution to the marine fish outside the closed zone, solved the noise pollution who produces when the bridge construction operation.
Description
Technical Field
The utility model relates to a civil engineering construction field especially relates to an air curtain structure for reducing steel-pipe pile construction noise.
Background
The traditional steel pipe pile sinking method generally has two types: the construction is carried out by adopting a piling ship and arranging a temporary guide device on an engineering ship. The two piling construction modes have the following disadvantages: the influence of noise generated by offshore construction operation on marine fishes is caused, and the noise generated in the offshore steel pipe pile inserting and driving construction process accounts for most of noise pollution, so that reasonable construction measures must be taken to protect the marine ecological environment.
With the continuous development of science and technology, the environmental protection consciousness and the animal protection consciousness of people are continuously enhanced, and new materials are developed, and more new technologies and new materials are applied to the noise reduction engineering of marine construction.
The existing technology is that an air curtain generator (a cuboid steel framework or a triangular truss structure welded by section steel or the like) is arranged at the periphery of a steel pipe pile to form an air curtain in water so as to reduce noise caused by inserting and driving the steel pipe pile, and a single-layer air curtain is used for shielding noise in inserting and driving construction of the steel pipe pile, so that the noise reduction effect is relatively limited.
SUMMERY OF THE UTILITY MODEL
The utility model provides an air curtain structure for reducing steel-pipe pile construction noise, double-deck air curtain shielding noise application is in the inserting of steel-pipe pile is beaten the construction, the better produced noise in having reduced the construction, has protected the sustainable use of marine ecological environment and fishery resource.
Realize the utility model discloses the technical scheme of purpose as follows:
an air curtain structure for reducing construction noise of a steel pipe pile, comprising: a first layer of annular air curtain arranged around the peripheral wall of the steel pipe pile and a second layer of annular air curtain arranged around the peripheral wall of the first layer of annular air curtain, wherein a gap is formed between the first layer of annular air curtain and the second layer of annular air curtain;
the steel pipe piles are located inside the first layer of annular air curtain, and the steel pipe piles and marine fishes are isolated and protected by the first layer of annular air curtain and the second layer of annular air curtain.
As a further improvement of the present invention, an apparatus for forming a double-layered annular air curtain includes:
the conveying channel conveys air to the inner cavities of the first turntable and the second turntable;
the end face of the first turntable is provided with a plurality of first air holes, air in the transport channel is sprayed out through the first air holes, and the first turntable rotates to enable the air sprayed out from the first air holes to form a first layer of annular air curtain;
the first turntable is sleeved in the inner cavity of the second turntable, a plurality of second air holes are formed in the end face of the second turntable, air in the transportation channel is sprayed out through the second air holes, and the second turntable rotates to enable the air sprayed out through the second air holes to form a second layer of annular air curtain;
and the driving device drives the first turntable and the second turntable to rotate.
As a further improvement of the present invention, the transportation channel has at least one set, and each set of transportation channel includes: the vertical pipe parallel to the steel pipe pile and the transverse pipe extending from the bottom end of the vertical pipe to the center of the steel pipe pile are communicated with the first rotary table and the second rotary table, and the airflow enters the first rotary table and the second rotary table after passing through the vertical pipe and the transverse pipe and is discharged from the first air hole and the second air hole.
As a further improvement, the transport channels have multiple groups, and the multiple groups of transport channels are uniformly distributed in 360 degrees around the center of the steel pipe pile.
As a further improvement of the utility model, the extension length of the transverse tube slightly exceeds the inner wall of the first rotary disc.
As a further improvement, the driving device is a motor, the motor is located the region formed by the outer wall of the first rotary table and the inner wall of the second rotary table, a gear is arranged on the output shaft of the motor, and the outer wall of the first rotary table and the inner wall of the second rotary table are respectively provided with an annular rack meshed with the gear.
As a further improvement, all be equipped with the coupling between violently managing and first carousel, the second carousel, the one end of this coupling with violently manage the intercommunication, the inner chamber of the other end insertion first carousel or second carousel.
Compared with the prior art, the beneficial effects of the utility model are that:
air curtain shielding noise application is in the construction of beating of inserting of steel-pipe pile, compares with traditional not adopting air curtain structure and individual layer air curtain structure, the utility model discloses a better reduction of double-deck air curtain produced noise in the construction has protected marine ecological environment and fishery resource's sustainable utilization.
Drawings
FIG. 1 is a schematic elevation view of an air curtain construction;
FIG. 2 is a view taken along line A of FIG. 1;
FIG. 3 is a top view of an air curtain construction;
fig. 4 is a schematic view of a grid of bubbles.
In the figure, 01, a steel pipe pile; 1. a vertical tube; 2. a transverse tube; 3. a pipe joint; 4. a first annular tube; 5. a seal ring; 6. a motor; 7. a gear; 8. a second annular tube; 9. a circular hole.
Detailed Description
The present invention is described in detail with reference to the embodiments shown in the drawings, but it should be understood that these embodiments are not intended to limit the present invention, and those skilled in the art should understand that the functions, methods, or structural equivalents or substitutions made by these embodiments are within the scope of the present invention.
In the description of the present embodiments, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to a number of indicated technical features. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.
The terms "mounted," "connected," and "coupled" are to be construed broadly and may, for example, be fixedly coupled, detachably coupled, or integrally coupled; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art through specific situations.
Example 1:
the embodiment discloses a method for reducing construction noise of a steel pipe pile, wherein an air curtain is arranged between the steel pipe pile and marine fishes, and noise generated in the piling process can be blocked by the air curtain to be attenuated until the noise disappears. In the embodiment, an isolation protection area is formed between the steel pipe pile (in the closed area) and the marine fishes (outside the closed area), so that the noise pollution to the marine fishes outside the closed area cannot be caused, and the noise pollution generated during the bridge construction operation is solved.
Based on the construction method, the air curtain structure for reducing the construction noise of the steel pipe pile of the embodiment comprises the following steps: a first layer of annular air curtain arranged around the peripheral wall of the steel pipe pile, and a second layer of annular air curtain arranged around the peripheral wall of the first layer of annular air curtain, wherein a gap is formed between the first layer of annular air curtain and the second layer of annular air curtain; the steel pipe piles are located inside the first layer of annular air curtain, and the steel pipe piles and marine fishes are isolated and protected by the first layer of annular air curtain and the second layer of annular air curtain.
In this embodiment, an apparatus for forming a double annular air curtain includes: the conveying channel conveys air to inner cavities of the first rotary table and the second rotary table; the end face of the first turntable is provided with a plurality of first air holes, air in the transportation channel is sprayed out through the first air holes, and the first turntable rotates to enable the air sprayed out from the first air holes to form a first layer of annular air curtain; the first rotary disc is sleeved in an inner cavity of the second rotary disc, a plurality of second air holes are formed in the end face of the second rotary disc, air in the transportation channel is sprayed out through the second air holes, and the second rotary disc rotates to enable the air sprayed out through the second air holes to form a second layer of annular air curtain; the first turntable and the second turntable are driven to rotate.
Preferably, the transport channels have at least one group, each group comprising: be on a parallel with the standpipe of steel-pipe pile setting, violently manage with first carousel and second carousel intercommunication from the standpipe bottom to the central violently pipe that extends of steel-pipe pile, violently the pipe, the air current gets into first carousel and second carousel after through the standpipe, violently managing to from first gas pocket and second gas pocket discharge. Of course, the transport channels are provided with a plurality of groups, and the transport channels are uniformly distributed around the center of the steel pipe pile by 360 degrees.
In this embodiment, the extension length of the cross tube slightly exceeds the inner wall of the first rotating disc. Preferably, the driving device is a motor, the motor is located in an area formed by the outer wall of the first rotating disc and the inner wall of the second rotating disc, a gear is arranged on an output shaft of the motor, and annular racks meshed with the gear are respectively arranged on the outer wall of the first rotating disc and the inner wall of the second rotating disc. And pipe joints are arranged between the optimized transverse pipe and the first rotary table and between the optimized transverse pipe and the second rotary table, one end of each pipe joint is communicated with the transverse pipe, and the other end of each pipe joint is inserted into an inner cavity of the first rotary table or the second rotary table.
Example 2:
on the basis of the scheme disclosed in embodiment 1, the present embodiment provides an air curtain structure for reducing the construction noise of a steel pipe pile: as shown in fig. 1-4, a horizontal pipe 2 is arranged at the lower end of a vertical pipe 1, symmetrically arranged along a steel pipe pile 01,
the pipe joint 3 is arranged at the upper end of the transverse pipe 2, and air pressure sequentially enters the vertical pipe 1, the transverse pipe 2, the pipe joint 3 and the round hole 9 of the first annular pipe 4 and the round hole 9 of the second annular pipe 8 according to the arrow direction and is discharged. Violently be provided with motor 6 on pipe 2, motor 6 output shaft is provided with the gear, first ring pipe 4 is provided with the rack respectively with the outer wall of second ring pipe 8, the cooperation of gear and rack, and motor 6's output shaft respectively with first ring pipe 4 and the cooperation of second ring pipe 8 rack, starter motor 6 drives the gear, the gear will drive first ring pipe 4 and second ring pipe 8 and rotate, and first ring pipe 4 rotates opposite with second ring pipe 8, so will form a double-deck protection bubble wall at first ring pipe 4 and second ring pipe 8's round hole export combustion gas bubble. In the inserting and driving construction process of the steel pipe pile, the double-layer protection bubble wall well isolates the steel pipe pile and marine fishes, an isolation protection area is formed between the steel pipe pile and the marine fishes, noise generated in the driving process can be blocked by the double-layer protection bubble wall, the noise is continuously attenuated until the noise disappears in the driving construction, and the noise pollution to the marine fishes in the bridge construction operation is greatly reduced.
A water quality isolation protective layer can be formed between a pipe joint and a ring pipe under water through the action of water, the protective layer can effectively protect the phenomenon of rotation resistance caused by friction, the phenomenon that wheels in life slip when meeting water is the same life principle phenomenon, the phenomenon that the wheels in life are in a positive pressure state, the wheels are in an exhaust state at any time, and even if the phenomenon that bubbles are generated due to the fact that gaps exist at any point, the phenomenon that the rotation is not influenced can be realized.
Importantly, the method comprises the following steps: after the first annular pipe 4 and the second annular pipe 8 are respectively started to rotate, the sprayed bubbles form an inclined series effect, the inner layer and the outer layer are opposite in rotation direction, so that an alternating latticed graph 4 effect can be formed, the density degree of the latticed graph determines the noise reduction effect, namely the size of the discharged air pressure and the rotating speed of the first annular pipe 4 and the second annular pipe 8 are determined, and similarly to clothes weaving, the smaller the latticed openings are, the warmer the more. The density of the bubble curtain determines the effect of blocking noise, and is determined by the number of holes (pitch) per unit length of the ring pipe, the pressure of the compressed air, the size (aperture) of the air outlet, and the like. The interaction of the air pressure and the hole diameter distance has larger influence on blocking noise, the visual effects of the bubble curtains with different pressures are different, when the pressure is small, the bubbles are sparse and rise slowly, and a plurality of bubble-free areas are arranged among bubble flows; when the pressure is high, the bubbles are dense, the rising is fast, and gaps among bubble flows are small.
The serial effect of this embodiment on tilt is explained as follows: when parachute jumping personnel of the airplane jump down one by one, the phenomenon that the overall arrangement state among team members is inclined when falling to the ground in the air is the same as the phenomenon, but the phenomenon is just bubbling on one jump down and one net.
The beneficial effects of this embodiment: the embodiment provides an air curtain structure for reducing construction noise of a steel pipe pile, wherein the air curtain is used for shielding the noise in inserting and beating construction of the steel pipe pile, and compared with the traditional structure which does not adopt an air curtain structure and a single-layer air curtain structure, the double-layer air curtain designed by the embodiment better reduces the noise generated in the construction, and protects the sustainable utilization of marine ecological environment and fishery resources.
The above list of details is only for the practical implementation of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the technical spirit of the present invention should be included in the scope of the present invention.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. 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.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. The utility model provides an air curtain structure for reducing steel-pipe pile construction noise which characterized in that includes: a first layer of annular air curtain arranged around the peripheral wall of the steel pipe pile and a second layer of annular air curtain arranged around the peripheral wall of the first layer of annular air curtain, wherein a gap is formed between the first layer of annular air curtain and the second layer of annular air curtain;
the steel pipe piles are located inside the first layer of annular air curtain, and the steel pipe piles and marine fishes are isolated and protected by the first layer of annular air curtain and the second layer of annular air curtain.
2. The air curtain structure of claim 1, wherein the means for forming a double annular air curtain includes:
the conveying channel conveys air to the inner cavities of the first turntable and the second turntable;
the end face of the first turntable is provided with a plurality of first air holes, air in the transport channel is sprayed out through the first air holes, and the first turntable rotates to enable the air sprayed out from the first air holes to form a first layer of annular air curtain;
the first turntable is sleeved in the inner cavity of the second turntable, a plurality of second air holes are formed in the end face of the second turntable, air in the transportation channel is sprayed out through the second air holes, and the second turntable rotates to enable the air sprayed out through the second air holes to form a second layer of annular air curtain;
and the driving device drives the first turntable and the second turntable to rotate.
3. The air curtain structure of claim 2, wherein the transport passages are at least one group, each group of transport passages including: the vertical pipe parallel to the steel pipe pile and the transverse pipe extending from the bottom end of the vertical pipe to the center of the steel pipe pile are communicated with the first rotary table and the second rotary table, and the airflow enters the first rotary table and the second rotary table after passing through the vertical pipe and the transverse pipe and is discharged from the first air hole and the second air hole.
4. The air curtain structure of claim 3, wherein there are multiple sets of transport passages, the multiple sets of transport passages being evenly distributed 360 ° around the center of the steel pipe pile.
5. The air curtain structure of claim 3, wherein the cross tube extends slightly beyond an inner wall of the first turntable.
6. The air curtain structure of claim 2, wherein the driving device is a motor, the motor is located in a region formed by an outer wall of the first rotating disk and an inner wall of the second rotating disk, a gear is arranged on an output shaft of the motor, and annular racks engaged with the gear are respectively arranged on the outer wall of the first rotating disk and the inner wall of the second rotating disk.
7. The air curtain structure of claim 3, wherein a pipe joint is arranged between the transverse pipe and the first rotating disc and between the transverse pipe and the second rotating disc, one end of the pipe joint is communicated with the transverse pipe, and the other end of the pipe joint is inserted into an inner cavity of the first rotating disc or the second rotating disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020981576.1U CN213062006U (en) | 2020-06-02 | 2020-06-02 | Air curtain structure for reducing construction noise of steel pipe pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020981576.1U CN213062006U (en) | 2020-06-02 | 2020-06-02 | Air curtain structure for reducing construction noise of steel pipe pile |
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| CN213062006U true CN213062006U (en) | 2021-04-27 |
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| CN202020981576.1U Active CN213062006U (en) | 2020-06-02 | 2020-06-02 | Air curtain structure for reducing construction noise of steel pipe pile |
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Effective date of registration: 20211230 Address after: 710065 262 zhangeight East Road, Yanta District, Xi'an, Shaanxi Patentee after: CCCC SECOND HIGHWAY ENGINEERING Co.,Ltd. Patentee after: CCCC Second Highway Engineering Co., Ltd Address before: 430014 rooms 1-9, 22 / F, building B, science and technology complex building, 145 Hong Kong Road, Jiang'an District, Wuhan City, Hubei Province Patentee before: CCCC-SHB FIRST ENGINEERING Co.,Ltd. |