CN207281280U - A kind of stress concentration indent base construction for the embedded sonar of hull bottom - Google Patents
A kind of stress concentration indent base construction for the embedded sonar of hull bottom Download PDFInfo
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- CN207281280U CN207281280U CN201721307825.3U CN201721307825U CN207281280U CN 207281280 U CN207281280 U CN 207281280U CN 201721307825 U CN201721307825 U CN 201721307825U CN 207281280 U CN207281280 U CN 207281280U
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- sonar
- groove body
- stress concentration
- embedded
- indent
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Abstract
The utility model discloses a kind of stress concentration indent base construction for the embedded sonar of hull bottom, including：Perforate is opened up on Bottom Plate, tapping is equipped with the groove body of inverted indent, groove body collectively forms the water-tight closure space for accommodating sonar with longitudinal sealing plate positioned at groove body both ends, formed with fillet between the cell wall and groove bottom of groove body, two vertical partition plates are arranged above groove body at fillet point of contact, groove body forms the shape of falling Π supporting structure with vertical partition plate.Groove body modal circumferential stiffening rib and support base reinforcing rib are set inside groove body, and the vertical installation panel of sonar is arranged on below support base reinforcing rib and is supported with kneepiece.The indent groove body of the utility model sonar uses band fillet pattern, compared with traditional square inner groovy build formula, optimize structural shape, greatly reduce the groove angle point stress concentration degree caused by longitudinal bending acts on lower longitudinal direction interruption, the installation of deep water multibeam sonar and the requirement of normal work are met, ensure that the safety of Ship Structure.
Description
Technical field
It the utility model is related to the technical field of sonar, more particularly to a kind of hull sonar base construction.
Background technology
Modern ocean-going research vessel is exactly to need to detect submarine geomorphy to one of underwater marine environment investigation task, and one
As this task completed by deep water multibeam sonar system.Deep water multibeam sonar system can meet that the full seas of 40m~12000m are deep
The demand of seafloor topography detection, can more than 90% marine site covering the whole world, the high-precision ocean depth of water of full ocean can be completed
Data and seafloor topography detection mission.
Multi-beam sonar equipment includes transducer signal receiving array and signal emission array, and length reaches several meters, receives
Array is transversely mounted, and emission array is longitudinally mounted, both are arranged vertically in 90 ° between each other, into the distribution of T fonts or L-type point
Cloth, sonar array needs at work and contact with sea water.Multibeam sonar system is typically mounted at hull bottom flat, installation side
Formula has external hanging type and two kinds embedded, and external hanging type influences Ship Structure smaller but hull resistance is adversely affected, therefore
Embedded sonar mounting means is often selected for having the ship of speed of a ship or plane requirement.
Embedded installation accommodates sonar and transducer normal work to install, and must make at 2 points to Ship Structure and change
Become：
Long 5m is opened up along beam direction and captain direction, the slot of wide 1m, is in T between holes on hull Outer Bottom Plating
Font or L-type are arranged vertically, and two pitchs of holes cannot be more than 1m；
The double bottom longitudinal direction girder of opening area will be revised accordingly with horizontal ribbed shape, local interruption and in ship
Bottom forms the concave inward structure of a closing.
Since sonar requirement installed in hull flat of bottom and has certain area requirements, open area is often positioned in ship
In middle 0.4L regions, the always vertical moment of flexure that hull beam is born in this region is larger, and bottom structure is located at equivalent hull girder lower wing plate
Place, the longitudinal bending stress of generation is also larger, in the case of this external force on Outer Bottom Plating along vertical and horizontal rectangle large opening and bottom
The continuous longitudinal member in portion can produce serious stress concentration phenomenon in the abrupt change of cross-section of opening area, especially horizontal large opening
Caused by be longitudinally interrupted bigger, if do not take optimization structural shape reduce stress concentration, then Ship Structure is caused safely larger
Hidden danger.
Utility model content
The problem of for above-mentioned generation, the purpose of this utility model is to provide a kind of for the low of the embedded sonar of hull bottom
The stress concentration Inside concave fillet type of falling Π base construction.
To achieve these goals, the technical solution that the utility model is taken is：
A kind of stress concentration indent base construction for the embedded sonar of hull bottom, wherein, offered on Bottom Plate
As sonar transducer transmitting working face perforate, the tapping be equipped with inverted indent groove body, the groove body in positioned at
Longitudinal sealing plate at the groove body both ends collectively forms the water-tight closure space for accommodating sonar, the cell wall and slot bottom of the groove body
Formed with fillet between face.
The above-mentioned stress concentration indent base construction for the embedded sonar of hull bottom, wherein, the point of contact of the fillet
Place is equipped with the vertical partition plate for being used to support groove body and the sonar pedestal, and the vertical partition plate is vertically arranged, the vertical partition plate
The supporting structure of " Ц " font is formed with the groove bottom.
The above-mentioned stress concentration indent base construction for the embedded sonar of hull bottom, wherein, the groove body is rectangle.
The above-mentioned stress concentration indent base construction for the embedded sonar of hull bottom, wherein, along the short of the groove body
Edge direction is equipped with groove body modal circumferential stiffening rib.
The above-mentioned stress concentration indent base construction for the embedded sonar of hull bottom, wherein, along the length of the groove body
Edge direction is equipped with support base reinforcing rib.
The above-mentioned stress concentration indent base construction for the embedded sonar of hull bottom, wherein, the support base is strengthened
The lower section of muscle is equipped with the vertical installation panel of sonar.
The above-mentioned stress concentration indent base construction for the embedded sonar of hull bottom, wherein, the vertical peace of sonar
Kneepiece is additionally provided between the groove body modal circumferential stiffening rib of the short side direction of dress panel and the cell wall.
The above-mentioned stress concentration indent base construction for the embedded sonar of hull bottom, wherein, along the outer of the perforate
Along the band steel being provided with around the perforate.
As a result of above-mentioned technology, the good effect for being allowed to have compared with prior art is the utility model：
(1) the indent groove body of the utility model sonar uses pattern with rounded corners, with traditional square inner groovy build formula phase
Than optimizing structural shape, greatly reducing the groove angle point stress concentration caused by longitudinal bending acts on lower longitudinal direction interruption
Degree, ensure that the safety of Ship Structure.
(2) the utility model is setting the pattern of the vertical partition plate of twice at fillet point of contact above groove body, both solves fillet
With the installation connectivity problem of vertical partition plate, and supporting role is played to sonar pedestal.
(3) set inside the groove body of the utility model along groove body short side direction groove body modal circumferential stiffening rib and along groove body long side side
To support base reinforcing rib, lower section set the vertical installation panel of sonar, and supported with kneepiece, gives sonar transducer array
Provide firm mounting seat.
(4) the Outer Bottom Plating verge of opening of the utility model sets the stress concentration that verge of opening is reduced around band steel.
Brief description of the drawings
Fig. 1 is the outside plate perforate of the stress concentration indent base construction for the embedded sonar of hull bottom of the utility model
Floor map.
Fig. 2 is the short side direction of the stress concentration indent base construction for the embedded sonar of hull bottom of the utility model
Sectional view.
Fig. 3 is the long side direction of the stress concentration indent base construction for the embedded sonar of hull bottom of the utility model
Sectional view.
In attached drawing：1st, perforate；2nd, fillet；3rd, groove body；4th, longitudinal sealing plate；5th, vertical partition plate；6th, groove body modal circumferential stiffening rib；7、
Support base reinforcing rib；8th, the vertical installation panel of sonar；9th, kneepiece；10th, band steel.
Embodiment
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings, but not as the utility model
Limit.
Fig. 1 is the outside plate perforate of the stress concentration indent base construction for the embedded sonar of hull bottom of the utility model
Floor map, Fig. 2 are the short sides of the stress concentration indent base construction for the embedded sonar of hull bottom of the utility model
Sectional view, Fig. 3 are the long sides of the stress concentration indent base construction for the embedded sonar of hull bottom of the utility model
Sectional view, refers to shown in Fig. 1 to Fig. 3, shows that a kind of the low of the embedded sonar of hull bottom that be used for of preferred embodiment is answered
Power concentrates indent base construction, includes：The perforate 1 as sonar transducer transmitting working face is offered on Bottom Plate, is opened
The groove body 3 of inverted indent is equipped with hole 1, groove body 3 is collectively formed for accommodating sound in longitudinal sealing plate 4 positioned at 3 both ends of groove body
Water-tight closure space, formed with fillet 2 between the cell wall and groove bottom of groove body 3.The interior re-entrant angle of traditional groove body is corner
Structure, since structure indent is mutated under the effect of longitudinal bending load, larger stress concentration is generated in interior re-entrant angle point, is contrasted
It is 386MPa that the stress numerical of intensive analysis, which can see square angle point maximum stress value under same load boundary condition,；And
The interior re-entrant angle of the utility model takes the structure of fillet 2, therefore maximum stress value is down to 246MPa.
Hanging down for groove body 3 and sonar pedestal is used to support in addition, being equipped with as in preferred embodiment, at the point of contact of fillet 2
To partition plate 5, vertical partition plate 5 is vertically arranged, and the lower end of vertical partition plate 5 is fixedly connected with groove bottom.Vertical partition plate 5 and groove bottom shape
Into the supporting structure of " Ц " font, so as to fulfill the support to groove body and sonar pedestal.
Further, as in preferred embodiment, groove body 3 is rectangle.
Further, as in preferred embodiment, groove body modal circumferential stiffening rib 6, groove body are equipped with along the short side direction of groove body 3
Modal circumferential stiffening rib 6 to be inverted T profile structure, fix by the band steel 10 of the both sides of groove body modal circumferential stiffening rib 6 respectively with outside plate opening
Connection, groove body modal circumferential stiffening rib 6 play the booster action on groove body short side direction.
Further, as in preferred embodiment, support base reinforcing rib 7, support base are equipped with along the long side direction of groove body 3
To be inverted eccentric T profile structure, the both ends of support base reinforcing rib 7 are fixedly connected reinforcing rib 7 with captain direction cell wall respectively, are supported
Seat reinforcing rib 7 plays the role of supporting sonar pedestal.
The foregoing is merely the utility model preferred embodiment, not thereby limit the utility model embodiment and
Protection domain.
The utility model also has on the basis of the above is implemented as follows mode：
In the further embodiment of the utility model, continuing with referring to shown in Fig. 1 to Fig. 3, along the branch of groove body long side direction
The lower section of support seat reinforcing rib 7 is equipped with the vertical installation panel 8 of sonar, and the vertical installation panel 8 of sonar is used to install sonar.
In the further embodiment of the utility model, also set between the vertical installation panel 8 of sonar and groove body modal circumferential stiffening rib 6
There is a kneepiece 9, kneepiece 9 is the platy structure of rectangular triangular form, a right-angle side and the sonar mounting surface of kneepiece 9
The side of plate 8 is fixedly connected, and another right-angle side of kneepiece 9 is fixedly connected with ring stiffener 6, and kneepiece 9 is used for branch
Support the vertical installation panel 8 of sonar.
In the further embodiment of the utility model, the band steel 10 of around opening 1 is provided with along the outer of perforate 1, is passed through
Band steel 10 strengthens perforate 1.
The utility model is used for the installation that the embedded sonar base construction pattern of hull bottom had both met deep water multibeam sonar
And normal work requirement, while reduce base construction due to structure it is discontinuous caused by stress concentration, ensure that hull knot
The requirement of structure safety.
The foregoing is merely the utility model preferred embodiment, not thereby limit the utility model embodiment and
Protection domain, to those skilled in the art, should can appreciate that all with the utility model specification and diagram
Hold made equivalent substitution and obviously change obtained scheme, should be included in the protection model of the utility model
In enclosing.
Claims (8)
1. a kind of stress concentration indent base construction for the embedded sonar of hull bottom, it is characterised in that opened on Bottom Plate
Equipped with as sonar transducer transmitting working face perforate, the tapping be equipped with inverted indent groove body, the groove body in
Longitudinal sealing plate positioned at the groove body both ends collectively forms the water-tight closure space for accommodating sonar, the cell wall of the groove body with
Formed with fillet between groove bottom.
2. the stress concentration indent base construction according to claim 1 for the embedded sonar of hull bottom, its feature exists
In vertical equipped with the vertical partition plate for being used to support groove body and the sonar pedestal, the vertical partition plate at the point of contact of the fillet
Set, the vertical partition plate forms the supporting structure of " Ц " font with the groove bottom.
3. the stress concentration indent base construction according to claim 1 for the embedded sonar of hull bottom, its feature exists
In the groove body is rectangle.
4. the stress concentration indent base construction according to claim 3 for the embedded sonar of hull bottom, its feature exists
In being equipped with groove body modal circumferential stiffening rib along the short side direction of the groove body.
5. the stress concentration indent base construction according to claim 4 for the embedded sonar of hull bottom, its feature exists
In being equipped with support base reinforcing rib along the long side direction of the groove body.
6. the stress concentration indent base construction according to claim 5 for the embedded sonar of hull bottom, its feature exists
In the lower section of the support base reinforcing rib is equipped with the vertical installation panel of sonar.
7. the stress concentration indent base construction according to claim 6 for the embedded sonar of hull bottom, its feature exists
In being additionally provided with triangle between the groove body modal circumferential stiffening rib of the short side direction of the vertical installation panel of sonar and the cell wall
Bracket.
8. the stress concentration indent base construction according to claim 1 for the embedded sonar of hull bottom, its feature exists
In being provided with the band steel around the perforate along the outer of the perforate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721307825.3U CN207281280U (en) | 2017-10-11 | 2017-10-11 | A kind of stress concentration indent base construction for the embedded sonar of hull bottom |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721307825.3U CN207281280U (en) | 2017-10-11 | 2017-10-11 | A kind of stress concentration indent base construction for the embedded sonar of hull bottom |
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| CN207281280U true CN207281280U (en) | 2018-04-27 |
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| CN201721307825.3U Active CN207281280U (en) | 2017-10-11 | 2017-10-11 | A kind of stress concentration indent base construction for the embedded sonar of hull bottom |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110254618A (en) * | 2019-06-28 | 2019-09-20 | 中船黄埔文冲船舶有限公司 | A kind of mounting device and its installation method of ship multi-beam transducer array |
| CN110696961A (en) * | 2019-09-09 | 2020-01-17 | 中国船舶工业集团公司第七0八研究所 | Multi-beam equipment installation device and disassembly and assembly method thereof |
| CN115042916A (en) * | 2022-07-29 | 2022-09-13 | 广船国际有限公司 | Installation component of acoustic equipment and ship |
-
2017
- 2017-10-11 CN CN201721307825.3U patent/CN207281280U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110254618A (en) * | 2019-06-28 | 2019-09-20 | 中船黄埔文冲船舶有限公司 | A kind of mounting device and its installation method of ship multi-beam transducer array |
| CN110696961A (en) * | 2019-09-09 | 2020-01-17 | 中国船舶工业集团公司第七0八研究所 | Multi-beam equipment installation device and disassembly and assembly method thereof |
| CN110696961B (en) * | 2019-09-09 | 2020-12-22 | 中国船舶工业集团公司第七0八研究所 | Multi-beam equipment installation device and disassembly and assembly method thereof |
| CN115042916A (en) * | 2022-07-29 | 2022-09-13 | 广船国际有限公司 | Installation component of acoustic equipment and ship |
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