CN111811775A - A measuring device for testing the wave elimination performance of the arc wall comb-type permeable embankment in the water tank - Google Patents

Abstract

The invention discloses a device for testing wave-breaking performance of an arc wall comb type open dike in a water tank, which is characterized by comprising five parts, namely an arc wall comb type open dike, a structure fixing device, a structure adjusting device, a wave height measuring instrument fixing and adjusting device and wave height measuring instrument data collecting and processing equipment; the arc wall comb type open dike consists of an arc caisson and a back plate; the structure fixing device is used for fixing the arc wall comb type open dike; the structure adjusting device can change the relative relation between the arc wall comb type open dike and the still water level through adjusting the position of the bolt, namely, the submergence depth and the water outlet height of the arc wall comb type open dike are changed; the wave height measuring instrument fixing and adjusting device is used for accurately fixing the wave height measuring instrument and adjusting the position and the height of the wave height measuring instrument; the wave height measuring instrument data collecting and processing equipment is used for processing, outputting and displaying the data collected by the wave height measuring instrument; the device has the advantages of stable structure, strong operability and high experimental precision.

Description

A measuring device for testing the wave elimination performance of the arc wall comb-type permeable embankment in the water tank

technical field

The invention relates to the technical field of hydrodynamic experimental devices of structures, in particular to a measuring device for testing the wave-elimination performance of arc wall comb-type permeable embankments in a water tank, and is a kind of measurement device that utilizes its own structural characteristics to interact with waves and currents by interacting with When testing its wave elimination performance.

Background technique

The construction of marine ecological civilization puts forward higher requirements for the design, safety and performance of breakwaters. Traditional gravity breakwaters have high engineering costs, long construction periods, and water pollution and sediment deposition in the harbor caused by poor water exchange. The problem is that it cannot meet the ecological concept and environmental protection requirements of modern green port construction. The construction cost of the permeable breakwater is low, and it is conducive to the free exchange of water bodies inside and outside the port area. It can effectively reduce the flow rate of the gate during ebb and flow, and has little impact on the marine ecological environment. It is an environment-friendly and meets the requirements of marine ecological civilization construction. New breakwater. However, its air-through structure will increase the wave transmittance, which will adversely affect the berthing conditions of ships in the port area, thereby reducing the operating days, use efficiency and economic benefits of the wharf. At present, the existing measuring instruments at home and abroad have problems such as incompatibility with the installation of the arc-wall comb-type permeable embankment, high price, and great interference from the external environment.

SUMMARY OF THE INVENTION

The purpose of the present invention is to overcome the deficiencies of the above-mentioned prior art, and to provide a measuring device for testing the wave-eliminating performance of the arc wall comb-type permeable embankment in the water tank, which mainly solves the problem that the existing measuring instruments cannot be directly used for the arc-wall comb-type permeable embankment. Problems such as measurement of dyke wave elimination performance, high price, and large external interference;

The technical scheme provided by the invention is: a measuring device for testing the wave-elimination performance of the arc wall comb-type permeable embankment in the water tank, the special feature of which is that the arc-wall comb-type permeable embankment, the structure fixing device and the structure are adjusted. The device, the wave height measuring instrument fixing and adjusting device, and the wave height measuring instrument data collection and processing equipment are composed of five parts;

The arc-wall comb-type permeable embankment is composed of an arc-shaped caisson and a back plate; the arc-shaped caisson and the back plate are fixedly connected to form a whole;

The structure fixing device is composed of a threaded rod, a support frame, a clip, a beam, and a U-shaped connecting plate; the beam is supported across the tops of the two side walls of the water tank and fixed; the support frame is a frame structure, There are threaded holes reserved at the four corners of the top; the threaded rods are respectively rotated and inserted into the reserved threaded holes at the top four corners of the support frame, and are supported above the beam; The other is placed on the corresponding inner side of the support frame, and the support frame and the beam are squeezed mutually through the connection of a set of clips, thereby fixing the support frame; the lower end of the support frame is provided with a U-shaped connecting plate, and the left and right sides of the U-shaped connecting plate are The two wings have connecting holes, which are connected to the adjustment support plate through the connecting holes;

The structure adjustment device is composed of an adjustment support plate, an L-shaped connecting piece, an adjustment bolt, a fixing bolt, a triangular brace, a support cone, and a gasket; the adjustment support plate is provided with a connecting hole and an adjustment hole, and the upper part is passed through the upper part. The connecting hole and the U-shaped connecting plate are fixed together; half of the L-shaped connecting piece and the adjusting support plate are connected together by the adjusting bolts in the adjusting holes, and the other half is connected to the arc wall comb through the fixing bolts. The embankment is fixedly connected; the triangular support is installed at the bottom of the adjustment support plate, and the two are fixed into one, and the bottom surface of the triangular support has reserved threaded holes; the support cone is rotated and inserted into the reserved threaded holes on the bottom surface of the triangular support; the The gasket is installed just below the triangle brace and is in contact with the end of the support cone, and is placed at the bottom of the sink;

The wave height measuring instrument fixing and adjusting device is composed of leveling screws, brackets, thick sleeve rods, control screws, thin sleeve rods, wave height measuring instruments, clamping rings and control bolts; The erection structure formed by the fixed connection of the rod, two oblique rods and one horizontal short rod, the two horizontal horizontal long rods are left with threaded holes at both ends, and stand across the top of the two walls of the water tank; The leveling screw is installed in the reserved threaded hole of the bracket to adjust the bracket horizontally; the thick sleeve rod is vertically installed on the lower end of the bracket; the thin sleeve rod is sleeved on the thick sleeve rod, and the thin sleeve rod is in the thick sleeve rod The sleeve rod is telescopic; a control screw is installed at the lower end of the thick sleeve rod to control the telescopic position of the thin sleeve rod; the clamping ring is composed of two semicircular arc pieces, which are installed on the side of the lower end of the thin sleeve rod, and Bolt holes are left at the ends; the wave height measuring instrument is installed in the middle of the clamping ring; the control bolts are installed in the reserved bolt holes at the end of the clamping ring, and the wave height measuring instrument is fixed by tightening the control bolts;

The wave height measuring instrument data collection and processing equipment is placed on the control console outside the water tank, and is connected with the wave height measuring instrument through a data line, so as to process and output the data collected by the wave height measuring instrument.

Further, the support frame is composed of 2 horizontal horizontal long bars, 4 horizontal vertical short bars, 2 horizontal horizontal short bars, 2 vertical vertical short bars, 2 vertical vertical long bars, 4 The two oblique rods are fixedly connected to form a frame structure, and threaded holes are reserved at both ends of the two horizontally long rods.

Further, there are a plurality of adjustment holes on the adjustment support plate, and the height of the L-shaped connecting piece is adjusted according to the change of the position of the adjustment hole where the adjustment bolt is bolted; half of the L-shaped connecting piece has adjustment holes. , and fine-tune the height of the L-shaped connector according to the change of the bolted position of the adjusting bolt in the adjustment hole; The diving depth and exit height of the embankment vary with the position of the L-shaped connector.

Further, the leveling screw is installed in the reserved threaded hole of the bracket, and the levelness of the bracket is adjusted by controlling the extension length of the leveling screw.

Further, the control screw is installed at the lower end of the thick sleeve rod, the thin sleeve rod is sleeved on the thick sleeve rod, the thin sleeve rod is telescopic in the thick sleeve rod, and the position of the thin sleeve rod is adjusted by adjusting the tightness of the control screw. Positioning; the wave height measuring instrument is connected with the thin sleeve rod through the clamping ring, and the height of the wave height measuring instrument changes with the expansion and contraction of the thin sleeve rod.

Further, the gasket is provided with a groove inside, and the end of the support cone is placed in the groove.

The beneficial effects of the present invention are: 1. According to the specific environment of the conventional test water tank, the beam platform is used to support the arc wall comb-type permeable embankment, which saves materials and does not occupy other space in the laboratory; 2. By adjusting the support plate reserved holes and The change of the relative positional relationship of the reserved holes for the L-shaped connector realizes the change of the diving depth of the arc wall comb-type permeable embankment during the test, so as to meet the measurement of the wave elimination performance under different waves; 3. Each part of the entire test device is dismantled Convenient, flexible installation, very suitable for use in experimental water tanks; 4. The wave height measuring instrument fixing and adjusting device can control the horizontal and vertical movement of the wave height measuring instrument, and the measurement position is flexible; 5. Compared with the traditional comb-type permeable embankment, it saves materials , Lightweight and easy to construct, strong integrity, independent and organic combination of each part, can carry out the measurement test of wave elimination performance of arc wall comb type permeable embankment with different scales according to different experimental water tanks.

Description of drawings

Fig. 1 is the structural representation of the present invention;

2 is a schematic diagram of the structure of the back side of the arc wall comb-type permeable embankment of the present invention;

Fig. 3 is the front structure schematic diagram of the arc wall comb type permeable embankment of the present invention;

4 is a schematic structural diagram of the structure fixing device of the present invention;

5 is a schematic structural diagram of the structure regulating device of the present invention;

FIG. 6 is a schematic structural diagram of the fixing and adjusting device of the wave height measuring instrument of the present invention.

In the picture: 1 arc wall comb-type permeable embankment, 11 arc caisson, 12 back plate, 13 fixing holes, 14 connecting screws, 2 structure fixing devices, 21 threaded rods, 22 supporting frames, 221 horizontal horizontal long rods, 222 horizontal longitudinal short rod, 223 horizontal transverse short rod, 224 vertical longitudinal short rod, 225 vertical longitudinal long rod, 226 oblique rod, 23 clip, 24 connecting bolt, 25 beam, 26 U-shaped connecting plate , 27 connecting holes, 3 structural adjustment devices, 31 adjusting support plates, 32 adjusting holes, 33 L-shaped connecting pieces, 34 adjusting bolts, 35 adjusting holes, 36 fixing bolts, 37 triangular braces, 38 supporting cones, 39 gaskets, 4 Fixing and adjusting device, 41 leveling screw, 42 bracket, 43 thick sleeve rod, 44 control screw, 45 thin sleeve rod, 46 wave height measuring instrument, 47 clamping ring, 48 control bolt, 5 wave height measuring instrument data collection and processing equipment .

Detailed ways

For the convenience of further understanding the content, features and functions of the present invention, the detailed description is as follows in conjunction with the accompanying drawings:

As shown in Figures 1, 2, 3, 4, 5, and 6, a measuring device for testing the wave elimination performance of the arc wall comb-type permeable embankment in the water tank consists of the arc-wall comb-type permeable embankment 1, the structure fixing device 2 , structure adjustment device 3, wave height measuring instrument fixing and adjusting device 4 and wave height measuring instrument data collection and processing equipment 5 are composed of five parts; all materials are not rusted, and the weight is relatively light;

The arc wall comb-type permeable embankment 1 is composed of an arc-shaped caisson 11, a back plate 12, a fixing hole 13 and a connecting screw 14; the arc-shaped caisson 11 has a total of 3 and four threaded holes are reserved at the four corners; the back plate 12 According to the corresponding positions of the threaded holes reserved at the four corners of the arc-shaped caisson 11, there are corresponding hole positions, and there are also fixing holes 13 connected with the L-shaped connecting piece 33 on both sides; there are 12 connecting screws 14, a group of 4, and the 3 The arc-shaped caisson 11 and the back plate 12 are connected together by connecting screws 14 to form a whole;

The structure fixing device 2 is composed of a threaded rod 21, a support frame 22, a clip 23, a connecting bolt 24, a beam 25, and a U-shaped connecting plate 26; there are three beams 25 supported across the top of the two side walls of the water tank at a certain distance and Fixed; the support frame 22 consists of 2 horizontal and transverse long rods 221, 4 horizontal and longitudinal short rods 222, 2 horizontal and transverse short rods 223, 2 vertical longitudinal short rods 224, and 2 vertical and longitudinal long rods 225 , Four oblique rods 226 are fixedly connected to form a frame structure, and threaded holes are reserved at both ends of the two horizontal horizontal long rods 221; a total of four threaded rods 21 are respectively rotated and inserted into the top of the support frame 22. Two horizontal horizontal long rods Threaded holes are reserved at both ends of the rod 221 to be supported above the beam 25; the clips 23 are rectangular, with four bolt holes at the four corners. One is placed on the corresponding inner side of the vertical longitudinal member of the support frame 22, there are 16 connecting bolts 24 in total, and a group of 4 constitutes four groups. The four vertical longitudinal rods of the support frame 22 are extruded and fixed on the side of the beam 25, thereby fixing the support frame 22; the lower end of the support frame 22 is installed with a U-shaped connecting plate 26 and a connecting hole 27 is left to facilitate connection with the adjustment support plate 31; The U-shaped connecting plate 26 is formed by bending steel plates, and two triangular supports are welded inside each bend to ensure stability;

The structure adjustment device 3 is composed of an adjustment support plate 31, an L-shaped connecting piece 33, an adjustment bolt 34, a fixing bolt 36, a triangular brace 37, a support cone 38, and a gasket 39; there are two adjustment support plates 31, and the upper parts of the adjustment support plates 31 are respectively reserved. There are 6 connecting holes for connecting the U-shaped connecting plate 26, and the plate body has a number of horizontal adjustment holes 32; there are two L-shaped connecting pieces 33, and six adjustment holes 35 are left on the half surface, and the L-shaped connecting piece 33 One half of the surface is connected with the adjustment support plate 31 by the adjustment bolts 34 according to the positions of the adjustment holes 32 and the adjustment holes 35, and the other half has 4 fixing holes 13, which are connected with the arc wall comb-type permeable embankment 1 through the fixing bolts 36; The height of the L-shaped connector 33 is adjusted by the change of the position of the adjustment bolt 34 bolted to the adjustment hole 32, and the height of the L-shaped connector 33 is fine-tuned according to the change of the bolted position of the adjustment bolt 34 in the adjustment hole 35. The diving depth and water outlet height of the type permeable embankment 1 change with the position of the L-shaped connector 33; there are two triangular braces 37, which are respectively installed on the bottom of the adjustment support plate 31 and fixed in one, and the bottom surface of the triangular braces 37 is reserved. There are 4 threaded holes; there are 8 supporting cones 38 in total, and each group of 4 is rotated and inserted into the reserved threaded holes on the bottom surface of the triangular brace 37; there are two gaskets 39, which are respectively installed directly below the triangular brace 37 and the supporting cone. 38 ends are in contact, there is a groove in the middle of the gasket 39, the end of the support cone 38 is placed in the groove, and the gasket 39 is placed at the bottom of the sink;

The wave height measuring instrument fixing and adjusting device 4 is composed of a leveling screw 41, a bracket 42, a thick sleeve rod 43, a control screw 44, a thin sleeve rod 45, a wave height measuring instrument 46, a clamping ring 47, and a control bolt 48; the bracket 42 is composed of 2 The erection structure consists of two horizontal horizontal long rods, two oblique rods and one horizontal short rod fixedly connected. The two horizontal horizontal long rods have threaded holes at both ends, and the two horizontal horizontal long rods are erected across the two sides of the water tank. The top of the wall; a total of 4 leveling screws 41 are installed in the reserved threaded holes of the bracket 42, and the bracket 42 can be adjusted horizontally; the thick sleeve rod 43 is vertically installed on the lower end of the bracket 42; the inner sleeve of the thin sleeve rod 45 and the thick sleeve The rod 43 and the thin sleeve rod 45 are telescopic in the thick sleeve rod 43; a control screw 44 is installed at the lower end of the thick sleeve rod 43 to control the telescopic position of the thin sleeve rod 45; The side of the lower end of the sleeve rod 45, and the end has a bolt hole; the wave height measuring instrument 46 is installed in the middle of the clamping ring 47; the control bolt 48 is installed in the reserved bolt hole at the end of the clamping ring 47, and the wave height is adjusted by tightening the control bolt 48. The measuring instrument 46 is fixed;

The wave height measuring instrument data collection and processing equipment 5 is placed on the control console outside the water tank, and is connected to the wave height measuring instrument 46 through a data line, so as to process and output the data collected by the wave height measuring instrument 46 .

The invention is a measuring device for testing the wave elimination performance of the arc wall comb-type permeable embankment in the water tank. When in use, the arc-wall comb-type permeable embankment is assembled according to the design and adjusted to the height and horizontal position required for the test, and the wave height is measured. The instrument is placed in the required position according to the test requirements and the horizontal and vertical heights are adjusted to ensure the test accuracy.

It should be understood that the technical features not described in detail in this specification belong to the prior art. Although the embodiments of the patent of the present invention are described above in conjunction with the accompanying drawings, the present invention is not limited to the above-mentioned specific embodiments. The above-mentioned specific embodiments are only illustrative and not restrictive. Under the inspiration of the present invention, personnel can make more forms without departing from the scope of the present invention and the protection scope of the claims, and these all belong to the protection scope of the present invention.

Claims (6)

1. A device for testing the wave-breaking performance of an arc wall comb type open dike in a water tank is characterized by comprising five parts, namely an arc wall comb type open dike (1), a structure fixing device (2), a structure adjusting device (3), a wave height measuring instrument fixing and adjusting device (4) and wave height measuring instrument data collecting and processing equipment (5);

the arc wall comb type open dike (1) consists of an arc caisson (11) and a back plate (12); the arc caisson (11) and the back plate (12) are fixedly connected to form a whole;

the structure fixing device (2) consists of a threaded rod (21), a support frame (22), a clamping piece (23), a cross beam (25) and a U-shaped connecting plate (26); the cross beam (25) is supported on the tops of two side walls of the water tank in a crossing manner and is fixed; the supporting frame (22) is of a frame structure, and threaded holes are reserved at four corners of the top of the supporting frame; the threaded rods (21) are respectively inserted into reserved threaded holes at four corners of the top of the support frame (22) in a rotating mode and supported above the cross beam (25); the two clamping pieces (23) are in a group, one clamping piece is arranged on the outer side surface of the cross beam (25), the other clamping piece is arranged on the corresponding inner side surface of the supporting frame (22), and the supporting frame (22) and the cross beam (25) are mutually extruded through the connection of the group of clamping pieces (23), so that the supporting frame (22) is fixed; the lower end of the support frame (22) is provided with a U-shaped connecting plate (26), connecting holes (27) are reserved on the left wing and the right wing of the U-shaped connecting plate (26), and the U-shaped connecting plate is connected with the adjusting support plate (31) through the connecting holes (27);

the structure adjusting device (3) consists of an adjusting support plate (31), an L-shaped connecting piece (33), an adjusting bolt (34), a fixing bolt (36), a triangular support (37), a support cone (38) and a gasket (39); the adjusting support plate (31) is provided with a connecting hole and an adjusting hole (32) which are fixedly connected with the U-shaped connecting plate (26) through the connecting hole at the upper part; one half surface of the L-shaped connecting piece (33) is connected with the adjusting support plate (31) through an adjusting bolt (34) in the adjusting hole (32), and the other half surface is fixedly connected with the arc wall comb type open dike (1) through a fixing bolt (36); the triangular supports (37) are arranged at the bottoms of the adjusting support plates (31) and fixedly connected into a whole, and threaded holes are reserved in the bottom surfaces of the triangular supports (37); the supporting cone (38) is rotatably inserted into a reserved threaded hole in the bottom surface of the triangular support (37); the gasket (39) is arranged right below the triangular support (37) and is contacted with the end head of the supporting cone (38), and is placed at the bottom of the water tank;

the wave height measuring instrument fixing and adjusting device (4) consists of a leveling screw (41), a bracket (42), a thick sleeve rod (43), a control screw (44), a thin sleeve rod (45), a wave height measuring instrument (46), a clamping ring (47) and a control bolt (48); the bracket (42) is a standing structure formed by fixedly connecting 2 horizontal transverse long rod pieces, 2 oblique rod pieces and 1 horizontal short rod piece, and threaded holes are reserved at two ends of each of the 2 horizontal transverse long rod pieces and are spanned and stood at the top ends of two walls of the water tank; the leveling screws (41) are arranged in reserved threaded holes of the support (42) to horizontally adjust the support (42); the thick loop bar (43) is vertically arranged at the lower end of the bracket (42); the thin sleeve rod (45) is sleeved in the thick sleeve rod (43), and the thin sleeve rod (45) stretches in the thick sleeve rod (43); the lower end of the thick loop bar (43) is provided with a control screw (44) for controlling the telescopic position of the thin loop bar (45); the clamping ring (47) consists of two semicircular arc sheets, is arranged on the side surface of the lower end of the thin sleeve rod (45), and a bolt hole is reserved at the end head; the wave height measuring instrument (46) is arranged in the middle of the clamping ring (47); the control bolt (48) is arranged in a reserved bolt hole at the end of the clamping ring (47), and the wave height measuring instrument (46) is fixed through the tightness control bolt (48);

the wave height measuring instrument data collecting and processing equipment (5) is placed on a control operation table outside the water tank, is connected with the wave height measuring instrument (46) through a data line, and is used for processing and outputting and displaying data collected by the wave height measuring instrument (46).

2. The device for testing the wave-breaking performance of the arc-wall comb type open dam in the water tank according to claim 1, wherein the support frame (22) is fixedly connected with 2 horizontal long transverse rod members (221), 4 horizontal longitudinal short rod members (222), 2 horizontal short transverse rod members (223), 2 vertical longitudinal short rod members (224), 2 vertical longitudinal long rod members (225) and 4 oblique rod members (226) to form a frame structure, and threaded holes are reserved at two ends of each of the 2 horizontal long rod members (221).

3. The device for testing the wave-breaking performance of the arc-wall comb type open dam in the water tank as claimed in claim 1, wherein the number of the adjusting holes (32) on the adjusting support plate (31) is multiple, and the L-shaped connecting piece (33) is adjusted in height according to the change of the positions of the adjusting holes (32) bolted by the adjusting bolts (34); an adjusting pore channel (35) is reserved on one half face of the L-shaped connecting piece (33), and the height of the L-shaped connecting piece (33) is finely adjusted according to the change of the bolting position of the adjusting bolt (34) in the adjusting pore channel (35); the other half face of the L-shaped connecting piece (33) is fixedly connected with the arc wall comb type open dike (1), and the submergence depth and the water outlet height of the arc wall comb type open dike (1) are changed along with the position change of the L-shaped connecting piece (33).

4. The device for testing the wave-breaking performance of the arc-wall comb type open dam in the water tank as claimed in claim 1, wherein the leveling screws (41) are installed in reserved threaded holes of the support (42), and the levelness of the support (42) is adjusted by controlling the extension length of the leveling screws (41).

5. The device for testing the wave-breaking performance of the arc-wall comb type open dam in the water tank as claimed in claim 1, wherein the control screw (44) is installed at the lower end of the thick loop bar (43), the thin loop bar (45) is sleeved in the thick loop bar (43), the thin loop bar (45) stretches in the thick loop bar (43), and the position of the thin loop bar (45) is positioned by adjusting the tightness of the control screw (44); the wave height measuring instrument (46) is connected with the thin sleeve rod (45) through a clamping ring (47), and the height of the wave height measuring instrument (46) is changed along with the telescopic change of the thin sleeve rod (45).

6. The device for testing the wave-breaking performance of the arc-wall comb-type open dam in the water tank as claimed in claim 1, wherein a groove is formed in the gasket (39), and the end of the supporting cone (38) is placed in the groove.

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