CN210154777U - Measuring device for wave-dissipating characteristic of arc plate type structure - Google Patents
Measuring device for wave-dissipating characteristic of arc plate type structure Download PDFInfo
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- CN210154777U CN210154777U CN201921081207.0U CN201921081207U CN210154777U CN 210154777 U CN210154777 U CN 210154777U CN 201921081207 U CN201921081207 U CN 201921081207U CN 210154777 U CN210154777 U CN 210154777U
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Abstract
The utility model discloses a measuring device of unrestrained characteristic is disappears to arc plate structure, its characteristics are: the wave height measuring device comprises an upper structure, an arc plate type structure, a lower structure, a wave height instrument, a wave height data acquisition system and a wave water tank; the utility model utilizes the specially-made stainless steel thin column to fix the arc plate structure from the lower part, which can effectively weaken the disturbance effect of the fixed support to the water body; calculating the reflection coefficient of the arc plate type structure by adopting a Goda two-point method according to a wave height meter arranged in the wave water tank so as to analyze the wave dissipation characteristic of the arc plate type structure; the utility model discloses a measuring device of unrestrained characteristic disappears of arc plate structure, simple structure, easily operation can be according to the transmission of calculation gained and the unrestrained characteristic that disappears of reflection coefficient integrated analysis arc plate structure.
Description
The technical field is as follows:
the utility model relates to a measuring device technical field of the unrestrained characteristic of structure thing disappears, in particular to measuring device of unrestrained characteristic that disappears of arc plate structure for the measurement of the unrestrained characteristic that disappears under the effect of external load (wave, rivers or both) of arc plate structure in the experimental basin.
Background art:
with the increase of development and construction strength of large-scale deepwater ports and wharfs, the traditional gravity breakwater has the defects of long construction period, unsuitability for construction in deep-wave large sea areas, obstruction of water body exchange inside and outside the port area, adverse influence on water quality maintenance and ecological environment in the port area and the like, and cannot meet various requirements of ocean engineering construction. The permeable breakwater structure is concerned by the experts and scholars because of the advantages of low requirement on the foundation, convenient construction, low cost, environmental protection and the like. The arc plate breakwater is one of typical structures, and the research on wave-breaking performance of the arc plate breakwater is more and more emphasized by the ocean engineering community in recent years. At present, the research on wave-dissipating performance of the arc plate type structure is mostly developed from the aspects of field tests, numerical simulation and the like, and in view of the fact that the field tests have large capital investment and long period in the specific implementation process, and effective measurement and test data collection work is difficult to develop under the extreme stormy wave condition of open sea. In the numerical simulation, a plurality of uncertain factors existing in the actual engineering are difficult to realize by inputting condition parameters, so that a certain difference exists between the numerical simulation result and the actual engineering; the traditional breakwater structure wave-breaking performance device has the problems of low measuring range precision, mismatching with the installation of an arc plate type structure, high price and the like.
The utility model has the following contents:
the utility model aims at overcoming the above-mentioned not enough that have had the problem, and provide a measuring device of unrestrained characteristic of arc plate structure.
The utility model provides a technical scheme is: a measuring device for the wave-breaking characteristic of an arc plate type structure is characterized by comprising an upper structure, an arc plate type structure, a lower structure, a wave height instrument, a wave height data acquisition system and a wave water tank;
the upper structure is fixed with an arc plate type structure from the upper part and comprises longitudinal beams, channel steel, short columns, long columns and steel plates; the channel steel is transversely arranged at the top of the side wall of the wave water tank and is anchored with the wave water tank through a short column; the number of the longitudinal beams is 4, wherein 2 longitudinal beams are respectively arranged on the tops of two side walls of the wave water channel and are respectively positioned at the upper part and the lower part of two ends of the channel steel and are tightly connected with the channel steel through short columns, and the 4 longitudinal beams transversely move along the wave water channel; the number of the steel plates is 2, the upper ends of the steel plates are respectively connected with the longitudinal beam through the long column, the lower ends of the steel plates are anchored with the long strip plate through the screw rod, and the upper structure, the arc plate type structure and the lower structure are connected into a whole;
the arc plate type structure is composed of 2 same glass arc plates; horizontal sections are reserved on two sides of the arc plate type structure, and column holes for fixing are drilled in four corners of each horizontal section;
the lower structure fixes an arc plate type structure from the lower part, and comprises a long strip plate and a screw rod; the long strip plates are fixed at the bottom of the wave water tank, the number of the long strip plates is 2, and the long strip plates are fixedly connected with the steel plate through screws;
3 wave height meters are arranged along the wave water tank, are positioned on one side of the arc plate type structure facing the waves to form 2 waves, have the spacing equal to one quarter of the wavelength and are used for calculating the reflection coefficient of the waves to the arc plate type structure; 1 wave is positioned on one side of the arc plate type structure opposite to the wave direction and is used for calculating the transmission coefficient of the wave to the arc plate type structure;
the wave height data acquisition system is connected with the wave height instrument and acquires wave surface course data monitored on the wave height instrument in real time.
Furthermore, the two glass arc plates of the arc plate type structure move along the screw rod, the respective positions and the distance between the two glass arc plates are adjustable, namely the height and the clearance of the arc plate type structure are adjustable.
The utility model has the advantages that: 1. through the combined application of the upper structure, the arc plate type structure, the lower structure, the wave height instrument, the wave height data acquisition system and the wave water tank, the wave dissipation performance of the arc plate type structure can be researched through actually measured wave height data, and the influence of different wave elements, different arc plate type structure clearances, diving depths and the like on the wave dissipation performance can be researched; 2. 2 channel steels are transversely carried at the top of the water channel to serve as upper structure supports, 4 longitudinal beams are fixed at the upper end and the lower end of each channel steel through nuts, and the distance between each channel steel and each longitudinal beam is adjusted to adapt to arc plate type structures with different lengths and widths; 3. the long batten is fixed by strong waterproof glue without pre-embedding components in advance, so that the operation is convenient, the materials are saved, the construction period is saved, and a waterproof layer at the bottom of the water tank is not damaged; 4. the arc plate type structure is fixed in a mode that an upper nut and a lower nut are clamped, and the height of the arc plate type structure is adjusted by adjusting the position of the nuts so as to achieve the purpose of changing the submergence depth and the clearance of the arc plate in the test process; 5. 2 wave height meters are arranged in the wave-facing direction of the arc plate type structure, 1 wave height meter is arranged in the wave-backing direction of the arc plate type structure, the calculation of the reflection coefficient of the arc plate type structure is realized, and the wave-dissipating performance of the arc plate type structure is further analyzed; in addition, the adopted wave height instrument and the wave height data acquisition system have reliable performance, easy disassembly and assembly and convenient replacement, and are very suitable for being used in a test water tank; compare with other measuring device and methods that disappear unrestrained characteristic, the utility model discloses a have the performance by force, advantages such as measurement accuracy is high, easy dismounting, economical and practical can provide a new research approach for developing the object model test that the unrestrained performance disappears of arc plate formula structure under the different scale in the wave basin.
Description of the drawings:
fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the upper structure of the present invention;
FIG. 3 is a schematic view of the arc plate structure and the lower structure of the present invention;
FIG. 4 is a schematic view of the arc plate structure of the present invention;
fig. 5 is a top view of the arc plate structure of the present invention.
In the figure: 1 superstructure, 2 arc plate structure, 3 substructure, 4 wave height appearance, 5 wave height data acquisition system, 6 wave basins, 11 longerons, 12 channel-section steel, 13 short column, 14 short column nuts, 15 long columns, 16 long column nuts, 17 steel sheets, 21 glass arc plates, 22 post sub-holes, 31 long slat, 32 screw rod nuts, 33 is the screw rod.
The specific implementation mode is as follows:
to facilitate a further understanding of the contents, features and functions of the invention, the following embodiments are set forth in detail in conjunction with the accompanying drawings:
as shown in fig. 1, 2, 3, 4 and 5, a device for measuring the wave-breaking characteristics of an arc plate type structure consists of an upper structure 1, an arc plate type structure 2, a lower structure 3, a wave height instrument 4, a wave height data acquisition system 5 and a wave water tank 6;
fixing an arc plate type structure 2 on an upper structure 1 from the top, wherein the upper structure 1 comprises a longitudinal beam 11, a channel steel 12, a short column 13, a short column nut 14, a long column 15, a long column nut 16 and a steel plate 17; the channel steel 12 is transversely arranged on the top of the side wall of the wave water tank 6 and is anchored with the wave water tank 6 through a short column 13 and a short column nut 14; the number of the longitudinal beams 11 is 4, wherein 2 longitudinal beams are respectively arranged on the tops of two side walls of the wave water channel 6 and are respectively positioned on the upper part and the lower part of two ends of the channel steel 12 and are tightly connected with the channel steel 12 through short columns 13 and short column screw caps 14, and the 4 longitudinal beams 11 transversely move along the wave water channel 6; the number of the steel plates 17 is 2, the upper ends of the steel plates are respectively connected with the longitudinal beam 11 through a long column 15 and a long column nut 16, the lower ends of the steel plates are anchored with a long strip plate 31 through a screw 33 and a screw nut 32, and the upper structure 1, the arc plate type structure 2 and the lower structure 3 are connected into a whole;
the arc plate type structure 2 is composed of 2 same glass arc plates 21; two sides of the arc plate type structure 2 are provided with horizontal sections with the side length of 1cm, and four corners of the horizontal sections are respectively drilled with column holes 22 for fixing; the two glass arc plates 21 of the arc plate type structure 2 move along the screw 33, and the respective positions and the distance between the two glass arc plates are adjustable, namely the height and the clearance of the arc plate type structure 2 are adjustable;
the lower structure 3 fixes the arc plate type structure 2 from the lower part, and comprises a long plate 31, a screw 33 and a screw nut 32; the strip plate 31 is fixed at the bottom of the wave water tank 6 by strong waterproof glue, and has the advantages that the components do not need to be pre-embedded in advance, the operation is convenient, the materials are saved, the construction period is shortened, and the waterproof layer at the bottom of the water tank is not damaged; the strip plate 31 has 2 strips, 2 holes are drilled on the strip plate 31 respectively for fixing the screw rods 33, the screw rods 33 are made of stainless steel, the surface of the screw rods 33 is provided with threads, the bottom ends of the screw rods 33 are fixed on the strip plate 31 through screw rod nuts 32, the screw rods 33 penetrate through the column holes 23 of the open dike body 2, and the top ends of the screw rods 33 are fixedly connected with the steel plate 17;
3 wave height meters 4 are arranged along the wave water tank 6, are positioned at 2 sides of the arc plate type structure 2 facing the waves, have the spacing equal to one quarter of the wavelength and are used for calculating the reflection coefficient of the waves to the arc plate type structure 2; 1 wave is positioned on one side, back to the wave, of the arc plate type structure 2 and is used for calculating the transmission coefficient of the wave to the arc plate type structure 2;
the wave height data acquisition system 5 is connected with the wave height instrument 4 and acquires wave surface history data monitored on the wave height instrument 4 in real time.
The measuring device is adopted to measure the wave-dissipating characteristic of the arc plate type structure, and the measuring method comprises the following steps:
a, arranging 2 arc plate type structures on the wave-facing side at intervals of 1/4LThe wave height instrument comprises 1 wave height instrument arranged on one side of the back wave of the arc plate type structure;
b, respectively connecting data transmission lines of 3 wave height instruments with a wave height data acquisition system, wherein the labels of the wave height instruments correspond to the labels in the acquisition system one by one;
c, wave heights collected by 2 wave height meters on one side of the arc plate type structure facing waves are all composed of incident wave heights and reflected wave heights, the incident waves and the reflected waves both meet a linear superposition relation, and the waveforms both belong to normal distribution; the wave form of the 1 st wave height instrument facing the wave direction of the arc plate type structure is as follows:
the composite wave amplitude of the incident wave can be calculated by the energy superposition principle as follows:
the combined amplitude of the reflected wave is:
the reflection coefficient is expressed as
，A r As the amplitude of the reflected wave,A i is the incident wave amplitude;
d calculating the average wave height of the wave surface course monitored by the wave height meter from the back wave to one side of the arc plate type structureH t，A t=H t[ 2 ] the transmission coefficient is expressed by
，A t Is the transmitted wave amplitude.
The utility model discloses a measuring device of arc plate type structure unrestrained characteristic disappears, during the use, fix four screw rods 33 in rectangular plate 31 through screw nut 32, penetrate four screw rods 33 through the post hole 22 that two glass arc boards 21 four corners reserved, adjust the interval height of two glass arc boards 21 through the position of removal screw nut 32, realize the requirement of the different dive depths and headroom of experiment to arc plate type structure 2; four column holes (the same as the column holes 22 in the arc plate type structure 2) are drilled on the steel plate 17 in the upper structure 1 respectively, the steel plate is connected with the longitudinal beam 11 through a long column 15 and a long column nut 16, and is anchored with a long plate 31 through a screw 33 and a screw nut 32, so that the upper structure 1, the arc plate type structure 2 and the lower structure 3 are connected into a whole; the wave height data monitored in real time by the wave height data acquisition system is analyzed by changing different wave incidence conditions, submergence depths and clearances, the reflection coefficients of waves to the arc-plate type structure under different working conditions are calculated according to an improved two-point method, and then the influence factors of the wave-eliminating characteristics of the arc-plate type structure are analyzed.
It is above only that the utility model discloses an optimal implementation mode, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that those skilled in the art should be able to make various modifications and decorations without departing from the scope of the present invention.
Claims (2)
1. A measuring device for the wave-breaking characteristics of an arc plate type structure is characterized by comprising an upper structure (1), an arc plate type structure (2), a lower structure (3), a wave height instrument (4), a wave height data acquisition system (5) and a wave water tank (6);
the arc plate type structure (2) is fixed on the upper structure (1) from the upper side, and the upper structure (1) comprises longitudinal beams (11), channel steel (12), short columns (13), long columns (15) and steel plates (17); the channel steel (12) is transversely arranged at the top of the side wall of the wave water tank (6) and is anchored with the wave water tank (6) through a short column (13); the number of the longitudinal beams (11) is 4, wherein 2 longitudinal beams are respectively arranged at the tops of two side walls of the wave water channel (6), are respectively positioned at the upper part and the lower part of two ends of the channel steel (12), and are tightly connected with the channel steel (12) through short columns (13), and the 4 longitudinal beams (11) transversely move along the wave water channel (6); the number of the steel plates (17) is 2, the upper ends of the steel plates are respectively connected with the longitudinal beam (11) through the long column (15), the lower ends of the steel plates are anchored with the long strip plate (31) through the screw rod (33), and the upper structure (1), the arc plate type structure (2) and the lower structure (3) are connected into a whole;
the arc plate type structure (2) is composed of 2 same glass arc plates (21); horizontal sections are reserved on two sides of the arc plate type structure (2), and column holes (22) for fixing are drilled in four corners of each horizontal section;
the lower structure (3) fixes the arc plate type structure (2) from the lower part, and comprises a long plate (31) and a screw rod (33); the long strip plate (31) is fixed at the bottom of the wave water tank (6), 2 long strip plates (31) are arranged, and the long strip plates (31) are fixedly connected with the steel plate (17) through screws (33);
3 wave height meters (4) are arranged along the wave water tank (6), are positioned on one side of the arc plate type structure (2) facing the waves and have 2 intervals equal to one quarter of the wavelength, and are used for calculating the reflection coefficient of the waves to the arc plate type structure (2); 1 wave is positioned on the back wave side of the arc plate type structure (2) and used for calculating the transmission coefficient of the waves to the arc plate type structure (2);
the wave height data acquisition system (5) is connected with the wave height instrument (4) and acquires wave surface course data monitored on the wave height instrument (4) in real time.
2. The measuring device according to claim 1, wherein the two glass arc plates (21) of the arc plate structure (2) move along the screw (33), and the respective positions and the distance between the two glass arc plates are adjustable, so that the height and the clearance of the arc plate structure (2) are adjustable.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921081207.0U CN210154777U (en) | 2019-07-11 | 2019-07-11 | Measuring device for wave-dissipating characteristic of arc plate type structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921081207.0U CN210154777U (en) | 2019-07-11 | 2019-07-11 | Measuring device for wave-dissipating characteristic of arc plate type structure |
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| CN210154777U true CN210154777U (en) | 2020-03-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110389013A (en) * | 2019-07-11 | 2019-10-29 | 鲁东大学 | A kind of measuring device and its measurement method of arc plank frame wave eliminating feature |
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2019
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110389013A (en) * | 2019-07-11 | 2019-10-29 | 鲁东大学 | A kind of measuring device and its measurement method of arc plank frame wave eliminating feature |
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| CF01 | Termination of patent right due to non-payment of annual fee |