JP2012218645A - Structure and method for mounting of sound unit for vessel - Google Patents

Abstract

PROBLEM TO BE SOLVED: To arrange a sending and receiving wavefront of a sound unit in level with the base level of a vessel.SOLUTION: In this structure of mounting the sound unit for a vessel, sound units 102 are fitted to the 100a side of the vessel 100, and the sidewall 1 which is arranged at both sides of each of the sound units 102 in the field to arrange the sound units 102, a plurality of beam members 2 to provide each of the sound units 102 in parallel direction crossing over the sidewall 1 respectively and the adjust member 3 which is intervened between each of the beam members 2 and sound units 102 as the adjustment allowance of the height position of each of the sound units 102 are provided with.

Description

  The present invention relates to an attachment structure and attachment method for attaching an acoustic sounding instrument to a ship.

  For example, in the ship's acoustic device mounting structure described in Patent Document 1, a structure in which an acoustic device is attached to the ship bottom is disclosed. In this acoustic equipment mounting structure, the surface of the transducer in the acoustic equipment is exposed from the bottom of the ship so that it is not affected by the bubbles in the water generated at the bow. The surface of the transducer is projected from the bottom of the ship.

  Moreover, in the low-noise type double-shell hull structure described in Patent Document 2, a configuration in which an acoustic device is provided on a dome protruding from the ship bottom is illustrated.

Japanese Utility Model Publication No. 58-28095 Japanese Unexamined Patent Publication No. 7-76294

  As disclosed in the acoustic device mounting structure described in Patent Document 1 described above, the acoustic device is affected by bubbles generated in the water, the ultrasonic waves are not reflected correctly, and accurate measurement values such as water depth are obtained. Since it may not be obtained, high accuracy is required for mounting on a ship. In particular, in order to suppress the effects of air bubbles and to obtain accurate measurement values, the acoustic equipment's transmission / reception surface is smoothed with respect to the reference plane on the ship's side in order to accurately place the acoustic equipment on the ship's side. It is required to be arranged in the manner.

  SUMMARY OF THE INVENTION The present invention solves the above-described problems, and provides a ship acoustic device mounting structure and a ship acoustic device mounting method that can be arranged with a smooth transmission / reception surface of an acoustic device with respect to a ship-side reference plane. The purpose is to provide.

  In order to achieve the above-described object, the audio equipment mounting structure for a ship according to the present invention is an audio equipment mounting structure for mounting an audio equipment on the ship bottom side of the ship, and in the region where the audio equipment is disposed, A plurality of beam members provided in a direction in which the acoustic devices are juxtaposed between the side walls disposed between the sidewalls, and between the beam members and the acoustic device, An adjustment member serving as an adjustment allowance for the height position of the acoustic device.

  According to this marine acoustic device mounting structure, the height position of the acoustic device can be adjusted by adjusting the height position of the acoustic device with the adjusting member, and the wave receiving / transmitting surface of the acoustic device can be used as a reference on the ship side. Smooth against the surface. As a result, the arrangement of the acoustic device on the ship becomes accurate, the influence of bubbles is suppressed, and an accurate measurement value can be obtained.

  Further, the marine acoustic device mounting structure according to the present invention includes the beam member including a bolt loosely inserted in a horizontal direction with respect to a through hole provided on the beam member side and a nut screwed to the bolt. The acoustic device is fixed to the above.

  According to this marine acoustic device mounting structure, when the nut is screwed onto the bolt, the horizontal position of the acoustic device is adjusted by adjusting the horizontal position of the acoustic device according to the margin of the through hole. Can be adjusted to the ship side.

  In the marine acoustic equipment mounting structure of the present invention, the beam member is made of an angle material.

  According to this marine acoustic equipment mounting structure, the angle member has a predetermined strength and is lighter than a solid material. For this reason, the operation | work which arrange | positions a beam member with respect to a side wall can be performed easily, and the positional accuracy of the attachment of the beam member which should attach an audio equipment can be improved. Moreover, if the beam member is an angle member, the upper region of the beam member can be formed as a space, so that the space can be used for the routing of the power supply and signal cables for the audio equipment. Can be easily maintained.

  Moreover, the ship audio equipment mounting structure according to the present invention is characterized in that the audio equipment is arranged on a dome provided to bulge out on a ship bottom of the ship.

  According to this marine acoustic device mounting structure, the dome raises the air bubbles to the bottom of the vessel without accumulating on the bottom surface thereof, so that the wave transmitting / receiving surface of the acoustic device is not covered with the air bubbles. Therefore, by disposing the acoustic device on the dome, the influence of bubbles on the acoustic device can be further suppressed.

  In order to achieve the above-described object, a marine acoustic device mounting method of the present invention is a marine acoustic device mounting method for fixing a sounding instrument for depth measurement to the bottom side of a marine vessel, wherein the marine vessel, the acoustic device, After adjusting the level of the acoustic device by adjusting the thickness of the adjusting member interposed between the two, the acoustic device is fixed to the ship, and then the outer periphery of the acoustic device and the The space between the bottom surface on the ship side is closed with a current plate.

  The acoustic device is usually a quadrilateral, and the four corners (or at least two sides) of the acoustic device are fixed to the ship. And by increasing or decreasing the thickness of the adjusting member interposed between the ship and the acoustic equipment, the acoustic apparatus can be installed horizontally, and a plurality of acoustic apparatuses can be arranged in a single plane with high accuracy. Can be fixed. In addition, since the gap between the sound equipment and the ship bottom is closed by a baffle plate after the sound equipment is fixedly installed, the sound equipment and the ship bottom can be formed into a continuous flat surface without any gaps, preventing the occurrence of turbulent flow during operation. Good depth measurement can be performed.

  In order to achieve the above-described object, the marine acoustic device mounting method of the present invention is a marine acoustic device mounting method for mounting an acoustic device on the ship bottom side of the marine vessel, and in the region where the acoustic device is arranged. A step of arranging side walls at positions on both sides, a step of spanning a beam member between the side walls, a step of arranging a plurality of the beam members in a direction in which the acoustic devices are arranged, and A step of fixing the acoustic device to the beam member with an adjustment member serving as an adjustment margin of the height position of the acoustic device interposed between the beam member and the acoustic device.

  According to this marine acoustic device mounting method, the height position of the acoustic device can be adjusted by adjusting the height position of the acoustic device with the adjusting member, and the wave receiving / transmitting surface of the acoustic device can be used as a reference on the ship side. Smooth against the surface. As a result, the arrangement of the acoustic device on the ship becomes accurate, the influence of bubbles is suppressed, and an accurate measurement value can be obtained.

  Further, in the marine acoustic device mounting method of the present invention, the step of fixing the acoustic device to the beam member includes a bolt loosely inserted in a horizontal direction with respect to a through hole provided on the beam member side, The acoustic device is fixed to the beam member by a nut screwed to the bolt.

  According to this marine acoustic device mounting method, when the nut is screwed into the bolt, the horizontal position of the acoustic device is adjusted by adjusting the horizontal position of the acoustic device according to the margin of the through hole. Can be adjusted to the ship side.

  ADVANTAGE OF THE INVENTION According to this invention, the wave transmission / reception surface of an audio equipment can be arrange | positioned smoothly with respect to the reference plane of a ship.

FIG. 1 is a side view of a part of a ship to which an acoustic device is attached. FIG. 2 is a bottom view of a part of the ship to which the acoustic device is attached. FIG. 3 is a front cross-sectional view showing the marine acoustic device mounting structure according to Embodiment 1 of the present invention. FIG. 4 is a side sectional view showing the marine acoustic device mounting structure according to Embodiment 1 of the present invention. FIG. 5 is a front cross-sectional view showing the marine acoustic equipment mounting step according to Embodiment 1 of the present invention. FIG. 6 is a front cross-sectional view showing the marine acoustic device mounting step according to Embodiment 1 of the present invention. FIG. 7 is a front sectional view showing a marine acoustic device mounting structure according to Embodiment 2 of the present invention. FIG. 8 is a side sectional view showing the marine acoustic device mounting structure according to Embodiment 2 of the present invention. FIG. 9 is a front cross-sectional view showing a marine acoustic device mounting step according to Embodiment 2 of the present invention. FIG. 10 is a front cross-sectional view showing a marine acoustic device mounting step according to Embodiment 2 of the present invention. FIG. 11 is a front cross-sectional view showing a marine acoustic device mounting structure according to Embodiment 3 of the present invention. FIG. 12 is a cross-sectional side view showing a marine acoustic device mounting structure according to Embodiment 3 of the present invention. FIG. 13: is front sectional drawing which shows the audio equipment attachment process for ships which concerns on Embodiment 3 of this invention. FIG. 14 is a front view cross-sectional view showing a marine acoustic device mounting step according to Embodiment 3 of the present invention.

  Embodiments according to the present invention will be described below in detail with reference to the drawings. Note that the present invention is not limited to the embodiments. In addition, constituent elements in the following embodiments include those that can be easily replaced by those skilled in the art or those that are substantially the same.

  FIG. 1 is a side view of a part of a ship to which an acoustic device is attached, and FIG. 2 is a bottom view of a part of the ship to which an acoustic device is attached.

  In the present embodiment, the ship 100 bulges on the ship bottom 100 a and is provided with a dome 101. The dome 101 is provided with an acoustic device (for example, a multi-beam acoustic sounding instrument) 102. The acoustic device 102 includes a transmitter 102A that transmits ultrasonic waves, and a receiver 102B that receives ultrasonic waves that have been transmitted from the transmitter 102A and then reflected on the bottom of the water. The acoustic device 102 is mainly for measuring the water depth by this ultrasonic wave transmission / reception. A plurality of the transmitters 102 </ b> A are arranged side by side in the length direction of the ship 100 (the bow-stern direction of the ship 100), and the ultrasonic wave transmission surface is exposed on the bottom surface of the dome 101. A plurality of receivers 102 </ b> B are arranged in parallel in the width direction (ship width direction) of the ship 100, and the ultrasonic wave receiving surface is exposed on the bottom surface of the dome 101. The arrangement of the transmitter 102A and the receiver 102B in the length direction is generally such that the receiver 102B is on the bow side and the transmitter 102A is on the stern side (FIGS. 1 and 2). Or vice versa.

  When the acoustic device 102 is affected by bubbles generated in the water, the ultrasonic waves are not correctly reflected, and accurate numerical values such as water depth may not be obtained. For this reason, the acoustic device 102 is provided in the dome 101. Bubbles flow into the bottom 100a along with the water flow while being generated at the bow, and move to the stern side along the bottom 100a. The dome 101 raises the bubbles to the ship bottom 100a side without accumulating on the bottom surface, so that the transmission surface of the transmitter 102A and the reception surface of the receiver 102B exposed on the bottom surface are not covered with the bubbles. A rectifying plate 103 is provided around the transmitters 102A arranged in parallel and around the receivers 102B arranged in parallel. The rectifying plate 103 is disposed between the bottom surface of the dome 101 and the wave receiving surface of the wave transmitter 102A and the wave receiving surface of the wave receiver 102B, and suppresses the generation of bubbles near the wave transmitting surface and the wave receiving surface by the rectifying action. Is.

  In the acoustic device 102, the wave transmitter 102A and the wave receiver 102B are arranged with the wave transmitting surface and the wave receiving surface made smooth with respect to the reference surface on the ship 100 side. This is because the wave transmitting surface and the wave receiving surface are arranged so as to be smooth with respect to the reference surface on the ship 100 side, so that the arrangement of the acoustic device 102 on the ship 100 becomes accurate. This is to obtain a measured value. The acoustic device mounting structure described below is devised for smoothing and arranging the transmission surface of each transmitter 102A and the reception surface of each receiver 102B with respect to the reference surface on the ship 100 side. In the following description, the transmitter 102A and the receiver 102B are collectively referred to as the acoustic device 102, and the transmission surface and the reception surface are collectively referred to as the transmission / reception surface, and are denoted by reference numeral 102a.

[Embodiment 1]
3 is a front cross-sectional view showing the marine acoustic device mounting structure according to Embodiment 1, and FIG. 4 is a side cross-sectional view showing the marine acoustic device mounting structure, taken along line AA in FIG. It is sectional drawing.

  The acoustic device 102 is attached in a dome 101 as a region where the acoustic device 102 is disposed, and is disposed in an opening provided in the bottom plate of the dome 101, and a plurality of the acoustic devices 102 are arranged in the horizontal direction. The audio device 102 includes a mount frame 104. The mount frame 104 includes a pair of vertical members 104a, a plurality of cross members 104b, a suspension pillar 104c, and a support member 104d. The longitudinal member 104a is a direction in which the acoustic devices 102 are juxtaposed (hereinafter, the longitudinal direction (the longitudinal direction corresponds to the bow-stern direction of the ship 100 when the acoustic device 102 is the transmitter 102A). In the case of the waver 102B, it corresponds to the ship width direction of the ship 100)), and is a long plate-like solid material formed along the surface of the acoustic device 102. It is. The cross member 104b is a direction intersecting (orthogonal) with the vertical direction (hereinafter referred to as the horizontal direction (the horizontal direction corresponds to the width direction of the ship 100 when the acoustic device 102 is the transmitter 102A). In the case of the waver 102B, it corresponds to the bow-stern direction of the ship 100)) and is formed of a long plate-like solid material extending along the upper surface of each vertical member 104a. Is to be placed. The suspension pillar 104c is formed in a rod shape, and is fixed to the lower surface of each vertical member 104a and suspended. The suspension pillars 104c are arranged in a plurality (for example, two) in the vertical direction and a plurality (for example, two) in the horizontal direction with respect to one acoustic device 102 arranged in parallel. The support member 104d is formed to extend along the vertical direction and is fixed to the lower end of the suspension column 104c. The support members 104d are paired in the horizontal direction corresponding to one acoustic device 102 arranged side by side, and engage with the lower surface of the lateral end of the acoustic device 102.

  In the acoustic device mounting structure of the present embodiment, the side wall 1 is erected on the opening edge of the opening portion of the dome 101. The side wall 1 is erected on the opening edge of the dome 101, extends along the longitudinal direction in which the acoustic devices 102 are juxtaposed, and is disposed at positions on both sides of the acoustic device 102. The side wall 1 is formed of a steel plate, is provided from the opening edge of the dome 101 to the ship bottom 100a, and is welded to the opening edge of the dome 101 and the ship bottom 100a. Although not explicitly shown in the drawing, the side plates of the dome 101 joined to the ship bottom 100a are arranged on both ends in the vertical direction where the acoustic devices 102 are juxtaposed, but the side walls 1 are also arranged on both ends. It may be.

  Between each side wall 1, the beam member 2 is provided along the horizontal direction. The beam member 2 is configured as an angle material (an angle steel) that is a rolled steel material having a L-shaped cross section. The beam member 2 has a single L-shaped piece 2a that is horizontal, and an end portion is welded to the opposing surface of each side wall 1. The horizontal arrangement of the beam members 2 is parallel to a reference plane on the ship 100 side that serves as a reference for matching the transmission / reception surface 102a of the acoustic device 102 (for example, a flat bottom surface of the dome 101 or a flat surface of the ship bottom 100a). It means that.

  An adjustment member 3 is provided on the lower surface of the horizontal piece 2 a of the beam member 2. The adjustment member 3 is obtained by welding a steel plate having a thickness in the vertical direction to the beam member 2 so as to protrude from the lower surface of the piece 2 a of the beam member 2. The adjustment member 3 is interposed between the cross member 104 b of the mount frame 104 that is the acoustic device 102 and the beam member 2. Then, from the lower side of the vertical member 104a of the mount frame 104, the nut 4b is screwed from the beam member 2 side to the tip of the bolt 4a penetrating in the order of the vertical member 104a, the horizontal member 104b, the adjustment member 3, and the beam member 2. By combining, the acoustic device 102 is fixed together with the mount frame 104 to the beam member 2. At this time, the adjustment member 3 adjusts the height position of the acoustic device 102 by cutting the thickness thereof. As described above, the adjustment member 3 is interposed between each beam member 2 and the acoustic device 102 and serves as an adjustment margin for the fixing position of the acoustic device 102.

  Further, the adjusting member 3 may be a member in which the steel plate is not welded to the beam member 2 and is sandwiched between the cross member 104b of the mount frame 104 which is the acoustic device 102 and the beam member 2. In this case, the adjustment member 3 is prepared with a plurality of steel plates having different upper and lower thicknesses. Then, from the lower side of the vertical member 104a of the mount frame 104, the nut 4b is screwed from the beam member 2 side to the tip of the bolt 4a penetrating in the order of the vertical member 104a, the horizontal member 104b, the adjustment member 3, and the beam member 2. By combining, the acoustic device 102 is fixed together with the mount frame 104 to the beam member 2. At this time, the adjustment member 3 adjusts the height position of the acoustic device 102 by appropriately selecting the thickness and being sandwiched between the cross member 104 b and the beam member 2. The adjusting member 3 sandwiched between the cross member 104b and the beam member 2 is not limited to a flat steel plate, and may be a wedge-shaped steel plate. If it is wedge shape, the inclination of the audio equipment 102 can also be adjusted.

  In addition, in order to penetrate the bolt 4a, the through hole provided in the vertical member 104a, the transverse member 104b, the adjustment member 3, and the beam member 2 (at least the adjustment member 3 and the beam member 2) has a margin so that the bolt 4a can be loosely inserted. It is formed with. For this reason, when the nut 4b is screwed into the bolt 4a, the position of the acoustic device 102 in the horizontal direction (longitudinal direction or lateral direction) is adjusted according to the margin of the through hole.

  Further, a receiving plate 5 for fixing the rectifying plate 103 is welded to the facing surface of each side wall 1 and to the opening edge of the dome 101. A plurality of receiving plates 5 are provided along the opening edge of the dome 101. The receiving plate 5 is provided with a tapped hole into which the countersunk bolt 6 is screwed, and the rectifying plate 103 is fixed by the countersunk bolt 6.

  As described above, the marine acoustic device mounting structure according to the embodiment described above is a marine acoustic device mounting structure in which the acoustic device 102 is attached to the bottom 100a side of the boat 100, and in the region where the acoustic device 102 is disposed. 102, the side wall 1 arranged on both sides of the beam 102, a plurality of beam members 2 provided between the side walls 1 in the direction in which the acoustic devices 102 are juxtaposed, and between each beam member 2 and the acoustic device 102. And an adjustment member 3 that is interposed and serves as an adjustment allowance for the height position of the acoustic device 102.

  According to this marine acoustic device mounting structure, the height position of the acoustic device 102 can be adjusted by adjusting the height position of the acoustic device 102 with the adjusting member 3, and the wave transmitting / receiving surface 102 a of the acoustic device 102 can be aligned. Can be made smooth with respect to the reference plane on the ship 100 side. As a result, the arrangement of the acoustic device 102 on the ship 100 becomes accurate, the influence of bubbles is suppressed, and an accurate measurement value can be obtained.

  Further, the marine acoustic equipment mounting structure of the present embodiment includes a bolt 4a that is loosely inserted in a horizontal direction with respect to a through-hole provided on the beam member 2 side (beam member 2 and adjustment member 3), and The acoustic device 102 is fixed by the nut 4b screwed to the bolt 4a.

  According to this marine acoustic device mounting structure, when the nut 4b is screwed onto the bolt 4a, the position of the acoustic device 102 in the horizontal direction (longitudinal direction or lateral direction) is adjusted according to the margin of the through hole. The horizontal position of the wave transmitting / receiving surface 102a of the device 102 can be adjusted to the ship 100 side.

  5 and 6 are front sectional views showing the marine acoustic device mounting step according to Embodiment 1. FIG.

  As shown in FIG. 5, the procedure for forming the above-described acoustic device mounting structure first places the side walls 1 at positions on both sides of the acoustic device 102 along the longitudinal direction in which the acoustic devices 102 are arranged side by side. Next, the beam members 2 are spanned between the side walls 1, and a plurality of the beam members 2 are arranged in the vertical direction in which the acoustic devices 102 are arranged side by side.

  Next, as shown in FIG. 6, the adjustment member 3 serving as an adjustment allowance for the height position of the acoustic device 102 is arranged at a position between the cross member 104 b of the mount frame 104 and the beam member 2 in the acoustic device 102. To do. In this step, when the adjustment member 3 is welded to the beam member 2, the height position of the acoustic device 102 is adjusted by cutting the adjustment member 3. Further, when the adjustment member 3 is not welded to the beam member 2 and is sandwiched between the cross member 104b and the beam member 2, the height of the acoustic device 102 is selected by appropriately selecting the thickness of the adjustment member 3. Adjust the position. Next, the beam member 2, the adjustment member 3, the cross member 104b, and the bolt 4a loosely inserted into the through holes provided in the vertical member 104a and the nut 4b screwed to the bolt 4a are attached to the beam member 2. Thus, the vertical member 104a, the horizontal member 104b, and the suspension column 104c of the mount frame 104 are fixed. Next, as shown in FIG. 3, the acoustic device 102 is placed between the horizontal suspension columns 104 c, and the support member 104 d is attached to the suspension column 104 c to fix the acoustic device 102.

  Next, the space between the outer periphery of the acoustic device 102 and the bottom surface on the ship 100 side (the bottom surface 100 a or the bottom surface of the dome 101) is closed by the current plate 103.

  In addition, in the process of arrange | positioning the side wall 1 and the beam member 2, it operates with respect to the dome 101 before attaching to the ship 100 side, and arrange | positions the dome 101 upside down from the state attached to the ship 100, and performs an operation | work. Further, in the configuration in which the adjustment member 3 is welded to the beam member 2, the adjustment member 3 may be welded and joined in advance to the beam member 2 spanned between the side walls 1.

  As described above, the marine acoustic device mounting method of the present embodiment is a marine acoustic device mounting method for fixing the sounding acoustic device 102 to the bottom 100a side of the boat 100. After adjusting the level of the acoustic device 102 by adjusting the thickness (height direction) of the adjusting member 3 interposed between them, the acoustic device is fixed to the ship 100, and then the acoustic device A rectifying plate 103 closes the space between the outer periphery of 102 and the bottom of the ship 100 (the bottom of the ship 100a or the bottom of the dome 101).

  The acoustic device 102 is usually a quadrilateral shape, and four corners (or at least two sides) of the acoustic device 102 (or the mount frame 104 are interposed) are fixed to the ship 100. Then, by adjusting the thickness (height direction) of the adjustment member 3 interposed between the ship 100 side and the acoustic device 102, a plurality of acoustics when the acoustic device 102 is installed horizontally and in parallel are arranged. The devices 102 can be fixed on one plane with high accuracy. Further, after the acoustic device 102 is fixedly installed, the gap between the bottom surface on the ship 100 side (the bottom surface 100a or the bottom surface of the dome 101) is closed by the rectifying plate 103, so that the acoustic device 102 and the bottom surface on the ship 100 side are continuous without any gap. Therefore, the generation of turbulent flow during operation can be prevented, and accurate depth measurement can be performed.

  Further, the marine acoustic device mounting method according to the present embodiment is a marine acoustic device mounting method in which the acoustic device 102 is mounted on the bottom 100a side of the boat 100, and the acoustic device 102 is disposed in a region where the acoustic device 102 is disposed. A step of arranging the side walls 1 at positions on both sides, a step of placing a beam member 2 between the side walls 1, and arranging a plurality of the beam members 2 in the direction in which the acoustic devices 102 are arranged side by side; A step of fixing the acoustic device 102 to the beam member 2 with an adjustment member 3 serving as an adjustment margin of the height position of the acoustic device 102 interposed between the beam member 2 and the acoustic device 102.

  According to this marine acoustic equipment mounting method, the height position of the acoustic equipment 102 can be adjusted by adjusting the height position of the acoustic equipment 102 with the adjusting member 3, and the transmission / reception of each acoustic equipment 102 can be performed. The wavefront 102a can be made smooth with respect to the reference plane on the ship 100 side. As a result, the arrangement of the acoustic device 102 on the ship 100 becomes accurate, the influence of bubbles is suppressed, and an accurate measurement value can be obtained.

  Further, in the marine acoustic device mounting method of the present embodiment, the step of fixing the acoustic device 102 to the beam member 2 is loosely inserted into a through hole provided on the beam member 2 side (the beam member 2 and the adjustment member 3). The acoustic device 102 is fixed by the bolt 4a to be screwed and the nut 4b screwed to the bolt 4a.

  According to this marine acoustic device mounting method, when the nut 4b is screwed into the bolt 4a, the horizontal direction (longitudinal or lateral direction) of the acoustic device 102 is adjusted by the margin of the through hole, thereby transmitting and receiving. It becomes possible to match the horizontal position of the wavefront 102a to the ship 100 side.

[Embodiment 2]
FIG. 7 is a front cross-sectional view showing a marine acoustic device mounting structure according to Embodiment 2, and FIG. 8 is a side cross-sectional view showing the marine acoustic device mounting structure, taken along the line BB in FIG. It is sectional drawing.

  The acoustic device 102 is attached in a dome 101 as a region where the acoustic device 102 is disposed, and is disposed in an opening provided in the bottom plate of the dome 101, and a plurality of the acoustic devices 102 are arranged in the horizontal direction. The acoustic device 102 includes a mount frame 105. The mount frame 105 includes a vertical member 105a, a pair of angle members 105b, a suspension pillar 105c, and a support member 105d. The longitudinal member 105a is a direction in which the acoustic devices 102 are juxtaposed (hereinafter, the longitudinal direction (the longitudinal direction corresponds to the bow-stern direction of the ship 100 when the acoustic device 102 is the transmitter 102A). In the case of the waver 102B, it corresponds to the ship width direction of the ship 100)), and is a long plate-like solid material formed along the surface of the acoustic device 102. It is. The angle member 105b is a long member formed so as to extend along the vertical direction, and is disposed on the upper surface of the vertical member 105a. The suspension column 105c is formed in a rod shape, and is fixed to the lower surface of each vertical member 105a and suspended. The suspension column 105c has a plurality (for example, two) in the vertical direction with respect to one acoustic device 102 arranged in parallel, and a direction intersecting (orthogonal) with the vertical direction (hereinafter referred to as the horizontal direction (the horizontal direction is the acoustic device). When the transmitter 102A is the transmitter 102A, it corresponds to the width direction of the ship 100, and when the acoustic device 102 is the receiver 102B, it corresponds to the bow-stern direction of the ship 100). ) Arranged. The support member 105d is formed to extend along the vertical direction, and is fixed to the lower end of the suspension column 105c. This support member 105 d is paired in the horizontal direction corresponding to one acoustic device 102 arranged side by side, and engages with the lower surface of the lateral end of the acoustic device 102. Further, the support member 105d functions as the rectifying plate 103 described above.

  In the acoustic device mounting structure of the present embodiment, the side wall 1 is erected on the opening edge of the opening portion of the dome 101. The side wall 1 is erected on the opening edge of the dome 101, extends along the longitudinal direction in which the acoustic devices 102 are juxtaposed, and is disposed at positions on both sides of the acoustic device 102. The side wall 1 is formed of a steel plate, is provided from the opening edge of the dome 101 to the ship bottom 100a, and is welded to the opening edge of the dome 101 and the ship bottom 100a. Although not explicitly shown in the drawing, the side plates of the dome 101 joined to the ship bottom 100a are arranged on both ends in the vertical direction where the acoustic devices 102 are juxtaposed, but the side walls 1 are also arranged on both ends. It may be.

  Between each side wall 1, the beam member 2 is provided along the horizontal direction. The beam member 2 is configured as an angle material (an angle steel) that is a rolled steel material having a L-shaped cross section. The beam member 2 has a single L-shaped piece 2a that is horizontal, and an end portion is welded to the opposing surface of each side wall 1.

  An adjustment member 7 is provided on the lower surface of the horizontal piece 2 a of the beam member 2. The adjusting member 7 is formed by welding a steel plate having a width in the vertical direction to the beam member 2 so as to protrude from the lower surface of the piece 2 a of the beam member 2. The adjusting member 7 is interposed between the angle member 105 b of the mount frame 105 that is the acoustic device 102 and the beam member 2. The acoustic device 102 is fixed to the beam member 2 together with the mount frame 105 by screwing the nut 8b to the tip of the bolt 8a that has penetrated the angle member 105b and the adjustment member 7. At this time, the adjustment member 7 adjusts the height position of the acoustic device 102 by cutting the vertical width thereof. Thus, the adjustment member 7 is interposed between each beam member 2 and the acoustic device 102 and serves as an adjustment margin for the fixing position of the acoustic device 102.

  In order to penetrate the bolt 8a, the through hole provided in the angle member 105b and the adjustment member 7 (at least the adjustment member 7) is formed with a margin so that the bolt 8a can be loosely inserted. In the present embodiment, the angle member 105b is formed with a through hole 105ba that is a long hole in the vertical direction, and the adjustment member 7 is formed with a through hole 7a that is a long hole in the vertical direction. For this reason, when the nut 8b is screwed onto the bolt 8a, the position of the acoustic device 102 in the horizontal direction (vertical direction or vertical direction) is adjusted according to the margin of the through hole.

  As described above, the marine acoustic device mounting structure according to the embodiment described above is a marine acoustic device mounting structure in which the acoustic device 102 is attached to the bottom 100a side of the boat 100, and in the region where the acoustic device 102 is disposed. 102, the side wall 1 arranged on both sides of the beam 102, a plurality of beam members 2 provided between the side walls 1 in the direction in which the acoustic devices 102 are juxtaposed, and between each beam member 2 and the acoustic device 102. And an adjustment member 7 that is interposed and serves as an adjustment allowance for the height position of the acoustic device 102.

  According to this marine acoustic device mounting structure, the height position of the acoustic device 102 can be adjusted by adjusting the height of the acoustic device 102 by the adjusting member 7, and the transmission / reception of each acoustic device 102 can be made uniform. The wavefront 102a can be made smooth with respect to the reference plane on the ship 100 side. As a result, the arrangement of the acoustic device 102 on the ship 100 becomes accurate, the influence of bubbles is suppressed, and an accurate measurement value can be obtained.

  In addition, the marine acoustic equipment mounting structure of the present embodiment includes a bolt 8a that is loosely inserted in the horizontal direction with respect to the through hole 7a provided on the beam member 2 side (adjusting member 7), and the bolt 8a. The acoustic device 102 is fixed by the nut 8b to be screwed.

  According to this marine acoustic device mounting structure, when the nut 8b is screwed into the bolt 8a, the horizontal direction (vertical direction) position of the acoustic device 102 is adjusted by the margin of the through hole 7a, thereby transmitting and receiving wave surface 102a. The horizontal position can be adjusted to the ship 100 side.

  9 and 10 are front-view cross-sectional views illustrating a marine acoustic device mounting step according to the second embodiment.

  As shown in FIG. 9, the procedure for making the above-described acoustic device mounting structure first arranges the side walls 1 at positions on both sides of the acoustic device 102 along the longitudinal direction in which the acoustic devices 102 are arranged side by side. Next, the beam members 2 are spanned between the side walls 1, and a plurality of the beam members 2 are arranged in the vertical direction in which the acoustic devices 102 are arranged side by side.

  Next, as shown in FIG. 10, the adjustment member 7 serving as an adjustment allowance for the height position of the acoustic device 102 is arranged at a position between the angle member 105 b of the mount frame 105 and the beam member 2 in the acoustic device 102. To do. In this step, the height position of the acoustic device 102 is adjusted by cutting the adjustment member 7 welded to the beam member 2. Next, the mounting frame 105 is fixed to the adjusting member 7 by the bolt 8a loosely inserted into the through holes 7a and 105ba provided in the adjusting member 7 and the angle member 105b and the nut 8b screwed to the bolt 8a. The vertical member 105a, the angle member 105b, and the suspension column 105c are fixed. Next, as illustrated in FIG. 7, the acoustic device 102 is placed between the horizontal suspension columns 105 c, and the support member 105 d is attached to the suspension column 105 c to fix the acoustic device 102.

  Next, the space between the outer periphery of the acoustic device 102 and the bottom surface on the ship 100 side (the bottom surface 100 a or the bottom surface of the dome 101) is closed by the current plate 103.

  In addition, in the process of arrange | positioning the side wall 1 and the beam member 2, it operates with respect to the dome 101 before attaching to the ship 100 side, and arrange | positions the dome 101 upside down from the state attached to the ship 100, and performs an operation | work. Further, when the adjustment member 7 is welded to the beam member 2, the work may be performed with the dome 101 disposed upside down from the state of being attached to the ship 100.

  As described above, the marine acoustic device mounting method of the present embodiment is a marine acoustic device mounting method for fixing the sounding acoustic device 102 to the bottom 100a side of the boat 100. After adjusting the level of the acoustic device 102 by adjusting the thickness (height direction) of the adjusting member 7 interposed between them, the acoustic device is fixed to the ship 100, and then the acoustic device A rectifying plate 103 closes the space between the outer periphery of 102 and the bottom of the ship 100 (the bottom of the ship 100a or the bottom of the dome 101).

  The acoustic device 102 is usually a quadrilateral shape, and four corners (or at least two sides) of the acoustic device 102 (or the mount frame 104 are interposed) are fixed to the ship 100. Then, by adjusting the thickness (height direction) of the adjusting member 7 interposed between the ship 100 side and the acoustic device 102, a plurality of acoustics when the acoustic device 102 is installed horizontally and arranged side by side are adjusted. The devices 102 can be fixed on one plane with high accuracy. Further, after the acoustic device 102 is fixedly installed, the gap between the bottom surface on the ship 100 side (the bottom surface 100a or the bottom surface of the dome 101) is closed by the rectifying plate 103, so that the acoustic device 102 and the bottom surface on the ship 100 side are continuous without any gap. Therefore, the generation of turbulent flow during operation can be prevented, and accurate depth measurement can be performed.

  Further, the marine acoustic device mounting method according to the present embodiment is a marine acoustic device mounting method in which the acoustic device 102 is mounted on the bottom 100a side of the boat 100, and the acoustic device 102 is disposed in a region where the acoustic device 102 is disposed. A step of arranging the side walls 1 at positions on both sides, a step of placing a beam member 2 between the side walls 1, and arranging a plurality of the beam members 2 in the direction in which the acoustic devices 102 are arranged side by side; A step of fixing the acoustic device 102 to the beam member 2 with an adjustment member 7 serving as an adjustment margin of the height position of the acoustic device 102 interposed between the beam member 2 and the acoustic device 102.

  According to this marine acoustic equipment mounting method, the height position of the acoustic equipment 102 can be adjusted by adjusting the height position of the acoustic equipment 102 with the adjusting member 7, and the transmission / reception of each acoustic equipment 102 can be performed. The wavefront 102a can be made smooth with respect to the reference plane on the ship 100 side. As a result, the arrangement of the acoustic device 102 on the ship 100 becomes accurate, the influence of bubbles is suppressed, and an accurate measurement value can be obtained.

  Further, in the marine acoustic device mounting method of the present embodiment, the step of fixing the acoustic device 102 to the beam member 2 is performed in a horizontal direction with respect to the through hole 7a provided on the beam member 2 side (adjustment member 7). The acoustic device 102 is fixed by a bolt 8a loosely inserted with a margin and a nut 8b screwed to the bolt 8a.

  According to this marine acoustic device mounting structure, when the nut 8b is screwed into the bolt 8a, the horizontal direction (vertical direction) position of the acoustic device 102 is adjusted by the margin of the through hole 7a, thereby transmitting and receiving wave surface 102a. The horizontal position can be adjusted to the ship 100 side.

[Embodiment 3]
FIG. 11 is a front cross-sectional view showing a marine acoustic device mounting structure according to Embodiment 3, and FIG. It is sectional drawing. The marine acoustic device mounting structure of the present embodiment differs from the marine acoustic device mounting structure of the second embodiment described above only in the configuration relating to the adjustment member. Therefore, in the following description, only a configuration different from that of the second embodiment will be described, and the other components will be denoted by the same reference numerals and description thereof will be omitted.

  An adjustment member 9 is provided on the lower surface of the horizontal piece 2 a of the beam member 2. The adjusting member 9 is a member in which a steel plate having a thickness in the vertical direction is welded to the beam member 2 so as to protrude from the lower surface of the piece 2 a of the beam member 2. The angle member 10 is welded to the lower surface of the adjusting member 9. Then, the angle member 105b of the mount frame 105 that is the sound device 102 and the nut 8b are screwed to the tip of the bolt 8a that penetrates the angle member 10, so that the sound device together with the mount frame 105 is attached to the beam member 2. 102 is fixed. At this time, the adjustment member 9 adjusts the height position of the acoustic device 102 by cutting the thickness thereof. As described above, the adjustment member 9 is interposed between each beam member 2 and the acoustic device 102 and serves as an adjustment margin for the fixing position of the acoustic device 102. Note that the adjustment member 9 may have an integral configuration as a part of the angle member 10.

  Further, the adjusting member 9 may be one in which the steel plate is not welded to the beam member 2 and is sandwiched between the angle member 10 and the beam member 2. In this case, as the adjusting member 9, a plurality of steel plates having different upper and lower thicknesses are prepared. Although not clearly shown in the drawing, the adjusting member 9 is fixed to the beam member 2 by screwing a nut to the bolt member penetrating the angle member 10, the adjusting member 9, and the beam member 2. At this time, the adjustment member 9 adjusts the height position of the acoustic device 102 by appropriately selecting the thickness and being sandwiched between the angle member 10 and the beam member 2. The adjusting member 9 sandwiched between the angle member 10 and the beam member 2 is not limited to a flat steel plate, and may be a wedge-shaped steel plate. If it is wedge shape, the inclination of the audio equipment 102 can also be adjusted.

  In order to penetrate the bolt 8a, the through holes provided in the angle member 105b and the angle member 10 (at least the angle member 10) are formed with a margin so that the bolt 8a can be loosely inserted. In the present embodiment, the angle member 105b is formed with a through hole 105ba that is a long hole in the vertical direction, and the angle member 10 is formed with a through hole 10a that is a long hole in the vertical direction. For this reason, when the nut 8b is screwed onto the bolt 8a, the position of the acoustic device 102 in the horizontal direction (vertical direction or vertical direction) is adjusted according to the margin of the through hole.

  As described above, the marine acoustic device mounting structure according to the embodiment described above is a marine acoustic device mounting structure in which the acoustic device 102 is attached to the bottom 100a side of the boat 100, and in the region where the acoustic device 102 is disposed. 102, the side wall 1 arranged on both sides of the beam 102, a plurality of beam members 2 provided between the side walls 1 in the direction in which the acoustic devices 102 are juxtaposed, and between each beam member 2 and the acoustic device 102. And an adjustment member 9 which is interposed and serves as an adjustment allowance for the height position of the acoustic device 102.

  According to this marine acoustic device mounting structure, the height position of the acoustic device 102 can be adjusted by adjusting the height position of the acoustic device 102 with the adjusting member 9, and the transmission / reception of each acoustic device 102 can be made uniform. The wavefront 102a can be made smooth with respect to the reference plane on the ship 100 side. As a result, the arrangement of the acoustic device 102 on the ship 100 becomes accurate, the influence of bubbles is suppressed, and an accurate measurement value can be obtained.

  In addition, the marine acoustic device mounting structure of the present embodiment includes a bolt 8a that is loosely inserted in the horizontal direction with respect to the through hole 10a provided on the beam member 2 side (angle member 10), and the bolt 8a. The acoustic device 102 is fixed by the nut 8b to be screwed.

  According to this marine acoustic device mounting structure, when the nut 8b is screwed into the bolt 8a, the horizontal direction (vertical direction) position of the acoustic device 102 is adjusted by the margin of the through hole 10a, whereby the wave transmitting / receiving surface 102a is adjusted. The horizontal position can be adjusted to the ship 100 side.

  13 and 14 are front-view cross-sectional views illustrating a marine acoustic device mounting step according to the third embodiment.

  As shown in FIG. 13, the procedure for forming the above-described acoustic device mounting structure first arranges the side walls 1 at positions on both sides of the acoustic device 102 along the longitudinal direction in which the acoustic devices 102 are arranged side by side. Next, the beam members 2 are spanned between the side walls 1, and a plurality of the beam members 2 are arranged in the vertical direction in which the acoustic devices 102 are arranged side by side.

  Next, as shown in FIG. 14, the adjustment member 9 and the angle serving as an adjustment allowance for the height position of the acoustic device 102 are disposed at a position between the angle member 105 b of the mount frame 105 and the beam member 2 in the acoustic device 102. The material 10 is arranged. In this step, when the adjustment member 9 is welded to the beam member 2, the height position of the acoustic device 102 is adjusted by cutting the adjustment member 9. In the case where the adjustment member 9 is not welded to the beam member 2 and is sandwiched between the angle member 10 and the beam member 2, the height of the acoustic device 102 is selected by appropriately selecting the thickness of the adjustment member 9. Adjust the position. Next, the mount frame 105 is fixed to the angle member 10 by the bolt 8a loosely inserted into the through holes 10a and 105ba provided in the angle member 10 and the angle member 105b and the nut 8b screwed to the bolt 8a. The vertical member 105a, the angle member 105b, and the suspension column 105c are fixed. Next, as illustrated in FIG. 11, the acoustic device 102 is placed between the horizontal suspension columns 105 c, and the support member 105 d is attached to the suspension column 105 c to fix the acoustic device 102.

  Next, the space between the outer periphery of the acoustic device 102 and the bottom surface on the ship 100 side (the bottom surface 100 a or the bottom surface of the dome 101) is closed by the current plate 103.

  In addition, in the process of arrange | positioning the side wall 1 and the beam member 2, it operates with respect to the dome 101 before attaching to the ship 100 side, and arrange | positions the dome 101 upside down from the state attached to the ship 100, and performs an operation | work. Also, when the adjustment member 9 is welded to the beam member 2, the work may be performed with the dome 101 disposed upside down from the state of being attached to the ship 100.

  As described above, the marine acoustic device mounting method of the present embodiment is a marine acoustic device mounting method for fixing the sounding acoustic device 102 to the bottom 100a side of the boat 100. After adjusting the level of the acoustic device 102 by adjusting the thickness (height direction) of the adjusting member 9 interposed between them, the acoustic device is fixed to the ship 100, and then the acoustic device A rectifying plate 103 closes the space between the outer periphery of 102 and the bottom of the ship 100 (the bottom of the ship 100a or the bottom of the dome 101).

  The acoustic device 102 is usually a quadrilateral shape, and four corners (or at least two sides) of the acoustic device 102 (or the mount frame 104 are interposed) are fixed to the ship 100. Then, by adjusting the thickness (height direction) of the adjusting member 9 interposed between the ship 100 side and the acoustic device 102, a plurality of acoustics when the acoustic device 102 is installed horizontally and in parallel are arranged. The devices 102 can be fixed on one plane with high accuracy. Further, after the acoustic device 102 is fixedly installed, the gap between the bottom surface on the ship 100 side (the bottom surface 100a or the bottom surface of the dome 101) is closed by the rectifying plate 103, so that the acoustic device 102 and the bottom surface on the ship 100 side are continuous without any gap. Therefore, the generation of turbulent flow during operation can be prevented, and accurate depth measurement can be performed.

  Further, the marine acoustic device mounting method according to the present embodiment is a marine acoustic device mounting method in which the acoustic device 102 is mounted on the bottom 100a side of the boat 100, and the acoustic device 102 is disposed in a region where the acoustic device 102 is disposed. A step of arranging the side walls 1 at positions on both sides, a step of placing a beam member 2 between the side walls 1, and arranging a plurality of the beam members 2 in the direction in which the acoustic devices 102 are arranged side by side; A step of fixing the acoustic device 102 to the beam member 2 with an adjustment member 9 serving as an adjustment margin of the height position of the acoustic device 102 interposed between the beam member 2 and the acoustic device 102.

  According to this marine acoustic equipment mounting method, the height position of the acoustic equipment 102 can be adjusted by adjusting the height position of the acoustic equipment 102 by the adjusting member 9, and the transmission / reception of each acoustic equipment 102 can be performed. The wavefront 102a can be made smooth with respect to the reference plane on the ship 100 side. As a result, the arrangement of the acoustic device 102 on the ship 100 becomes accurate, the influence of bubbles is suppressed, and an accurate measurement value can be obtained.

  Further, in the marine acoustic device mounting method of the present embodiment, a bolt 8a that is loosely inserted in a horizontal direction with respect to the through hole 10a provided on the beam member 2 side (angle member 10), and the bolt 8a. The acoustic device 102 is fixed by the nut 8b to be screwed.

  According to this marine acoustic device mounting structure, when the nut 8b is screwed into the bolt 8a, the horizontal direction (vertical direction) position of the acoustic device 102 is adjusted by the margin of the through hole 10a, whereby the wave transmitting / receiving surface 102a is adjusted. The horizontal position can be adjusted to the ship 100 side.

  By the way, in each embodiment mentioned above, the beam member 2 may be a solid material. When the beam member 2 is a solid material, a tap hole for screwing the bolt 4a of the first embodiment is formed in the solid material. On the other hand, the beam member 2 is preferably made of an angle material as described above. The angle material has a predetermined strength and is lighter than a solid material. For this reason, the operation | work which weld-joins the beam member 2 with respect to the side wall 1 can be performed easily, and it is possible to improve the positional accuracy of the attachment of the beam member 2 which should attach the audio equipment 102. FIG. Moreover, if the beam member 2 is an angle member, the upper region S of the beam member 2 (the region S between the beam member 2 and the ship bottom 100a in the present embodiment) can be formed as a space. It can be used for the arrangement of power supply cables and signal cables of the audio equipment 102, and the audio equipment 102 can be easily maintained.

  In each of the above-described embodiments, the dome 101 has been described as an area in which the acoustic device 102 is disposed. For example, a concave portion for storing the acoustic device 102 may be provided in the bottom 100a of the ship 100, and the acoustic device 102 may be disposed in the concave portion, or a gondola suspended from the bottom 100a of the boat 100. The acoustic device 102 may be disposed at the bottom of the mold housing, and the acoustic device mounting structure of each embodiment can be applied to such an arrangement. On the other hand, it is preferable to arrange the acoustic device 102 on the dome 101 provided so as to bulge out on the bottom 100 a of the ship 100. As described above, the dome 101 raises the air bubbles to the ship bottom 100a side without accumulating the air bubbles on the bottom surface thereof, so that the wave transmitting / receiving surface 102a of the acoustic device 102 is not covered with the air bubbles. Therefore, by arranging the acoustic device 102 in the dome 101, it is possible to further suppress the influence of bubbles on the acoustic device 102.

DESCRIPTION OF SYMBOLS 1 Side wall 2 Beam member 2a Piece 3 Adjustment member 4a Bolt 4b Nut 5 Receptacle 6 Countersunk bolt 7 Adjustment member 7a Through-hole 8a Bolt 8b Nut 9 Adjustment member 10 Angle material 10a Through-hole 100 Ship 100a Ship bottom 101 Dome 102 Audio equipment 102a Wavefront 103 Current plate

Claims (7)

A sound equipment mounting structure for a ship that attaches sound equipment to the bottom of a ship,
Side walls disposed on both sides of the acoustic device in the region where the acoustic device is disposed;
A plurality of beam members provided in a direction in which the acoustic devices are juxtaposed between the side walls;
An adjustment member interposed between each beam member and the acoustic device, which serves as an adjustment allowance for the height position of the acoustic device;
A marine sound equipment mounting structure comprising:   The acoustic device is fixed to the beam member by a bolt loosely inserted in a horizontal direction with respect to a through-hole provided on the beam member side and a nut screwed to the bolt. Item 1. A marine acoustic device mounting structure according to Item 1.   The marine acoustic device mounting structure according to claim 1, wherein the beam member is made of an angle material.   The acoustic equipment mounting structure for a ship according to any one of claims 1 to 3, wherein the acoustic equipment is disposed on a dome provided to bulge on a ship bottom of the ship. A marine sound device mounting method for fixing a sounding device for depth measurement to the bottom side of a ship,
By adjusting the thickness of the adjustment member interposed between the ship and the acoustic device, after setting the level of the acoustic device, the acoustic device is fixed to the ship, A marine acoustic device mounting method, wherein a gap between an outer periphery of an acoustic device and a bottom surface on the marine vessel side is closed with a current plate. A method for attaching a sound device for a ship to attach a sound device to the bottom side of the ship,
Arranging the side walls at positions on both sides of the acoustic device in the region where the acoustic device is disposed;
Next, spanning a beam member between the side walls, and arranging a plurality of the beam members in a direction in which the acoustic devices are arranged side by side;
Next, a step of fixing the acoustic device to the beam member by interposing an adjustment member serving as an adjustment allowance for the height position of the acoustic device between the beam member and the acoustic device;
A method for attaching a marine acoustic device, comprising:   The step of fixing the acoustic device to the beam member includes the bolt member loosely inserted in a horizontal direction with respect to a through hole provided on the beam member side, and a nut screwed to the bolt. The method for mounting a marine acoustic device according to claim 6, wherein the acoustic device is fixed to a marine vessel.

Images