CN111237385A - Torsion support elastic vibration damping platform mounting base - Google Patents
Torsion support elastic vibration damping platform mounting base Download PDFInfo
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- CN111237385A CN111237385A CN202010047624.4A CN202010047624A CN111237385A CN 111237385 A CN111237385 A CN 111237385A CN 202010047624 A CN202010047624 A CN 202010047624A CN 111237385 A CN111237385 A CN 111237385A
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- supporting seat
- circular arc
- arc
- rubber layer
- support
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/08—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal
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- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention relates to a torsional support elastic vibration damping platform mounting base which comprises an arc supporting seat, wherein a plurality of supporting brackets are uniformly distributed on the lower surface of the arc supporting seat, a single supporting bracket is vertical to the lower surface of the arc supporting seat, the upper surface of the arc supporting seat is attached with a damping rubber layer, an arc supporting plate is elastically mounted on the upper surface of the damping rubber layer and comprises an arc part matched with the damping rubber layer, the upper edges of two sides of the arc part respectively extend outwards along the horizontal direction to form a mounting part, and a plurality of first mounting holes are formed in the mounting part. The invention realizes torsional support through the arc support plate and the arc support seat, consumes energy generated by ship vibration through the rubber damping layer, realizes elastic energy storage in the vibration process by matching with the elastic connecting piece, effectively reflects and absorbs the vibration energy on a transmission path through the device, reduces the integral vibration noise of the ship, and does not influence the connection reliability.
Description
Technical Field
The invention relates to the technical field of ship vibration reduction equipment, in particular to a torsional support elastic vibration reduction platform mounting base.
Background
Over the last three decades, as the primary noise control level of ships has continued to rise, there has been a significant drop in both mechanical and propeller noise, but there is still some noise that continues to affect the operation of the ship due to lack of control, one of the important manifestations being the sharp rise in the total noise component of the vibration noise transmitted through the decking.
The deck is a ship horizontal subdivision structure, is connected with the ship body and the bulkhead, and the vibration generated by electromechanical equipment arranged on the deck is directly transmitted to the ship body structure through the deck to form vibration and underwater radiation noise. Because the floor plate is directly and rigidly connected with the cylindrical shell, the structural vibration energy loss is small, the vibration response of the ship shell structure is large, and the underwater radiation noise is high.
At present, the planking and the pressure-resistant cylindrical shell of many key types of ships, such as submarines, adopt rigid connection, and the structure mainly comprises planking, stringers, connecting brackets, supporting brackets and supporting panels, wherein the supporting brackets and the supporting panels form a supporting base, the planking panel and the pressure-resistant shell are directly welded in the horizontal direction, the planking crossbeam and the connecting brackets are directly welded, the vertically arranged supporting stringers are connected with the supporting panel of the base through bolts, and the supporting brackets of the base are welded along the circumferential direction of the cylindrical shell. This rigid connection provides a substantially unimpeded conduction of vibration between the support base and the hull, resulting in high vessel vibration noise.
Disclosure of Invention
The applicant aims at the defects in the prior art and provides a torsion support elastic vibration damping platform mounting base, which realizes the processes of elastic energy storage and damping energy consumption and reduces the vibration noise of ships in a torsion support and elastic connection mode.
The technical scheme adopted by the invention is as follows:
the utility model provides a twist reverse support elastic damping platform mounting base, including the circular arc supporting seat, a plurality of support brackets equipartition is in the lower surface of circular arc supporting seat, and single support bracket is perpendicular with the lower surface of circular arc supporting seat, the upper surface laminating damping rubber layer of circular arc supporting seat, the upper surface elastic mounting circular arc backup pad on damping rubber layer, the circular arc backup pad include with damping rubber layer complex arc portion, the outside formation installation department that extends along the horizontal direction respectively of the both sides upper edge of arc portion, set up the first mounting hole of a plurality of on the installation department.
The further technical scheme is as follows:
the arc supporting seat is of a plate-shaped structure;
the arc part is of a semicircular plate-shaped structure, the width of the arc part is smaller than that of the arc supporting seat and the damping rubber layer, and the width of the arc supporting seat is the same as that of the damping rubber layer;
the supporting toggle plate is of a triangular plate-shaped structure and comprises a first right-angle side, a second right-angle side and a bevel edge, the first right-angle side is attached to the lower surface of the arc supporting seat, and the second right-angle side is attached to the inner wall of the ship body and has a radian matched with the inner wall of the ship body;
the number of the support brackets is three, one support bracket is respectively arranged at the edges of two sides of the lower surface of the arc support seat, and the middle part of the lower surface of the arc support seat is also provided with one support bracket;
the damping rubber layer is arranged on the arc part, the damping rubber layer is arranged on the arc supporting seat, and the arc part is provided with a plurality of through holes suitable for the elastic connecting pieces to pass through;
the upper surface of the mounting part is fixedly connected with a subdivision floor which is vertical to the inner wall of the ship body and extends towards the inside of the ship body, second mounting holes are respectively formed in the subdivision floor relative to the first mounting holes, and connecting screws sequentially penetrate through the first mounting holes and the second mounting holes so that the subdivision floor is in threaded connection with the mounting part;
and the lower surface of the subdivision plank is fixedly connected with a reinforcing beam, the width of the reinforcing beam is the same as that of the subdivision plank, and the length of the reinforcing beam is smaller than that of the subdivision plank.
The invention has the following beneficial effects:
the invention has reasonable structure and convenient operation, realizes torsion support through the arc supporting plate and the arc supporting seat, consumes energy generated by ship vibration through the rubber damping layer, realizes elastic energy storage in the vibration process by matching with the elastic connecting piece, and effectively reflects and absorbs the vibration energy on a transmission path through the device, thereby reducing the integral vibration noise of the ship without influencing the connection reliability of the ship.
The invention also has the following advantages:
circular arc backup pad and circular arc supporting seat: the torsion support is of an arc-shaped structure, has high impedance during torsion and can stably absorb vibration energy;
a rubber damping layer: the rubber damping layer is made of soft materials, so that an effective buffering effect can be achieved, and meanwhile, the consumption of vibration energy can be efficiently completed through the damping materials;
the elastic connecting piece: the arc support plate, the rubber damping layer and the arc support seat which are matched with each other can be reliably connected, meanwhile, the traditional rigid connection mode is avoided, a certain movement space is provided for the arc support plate, and the process of elastic energy storage is realized;
supporting the rib plate: promote the holistic structural strength of base, make the circular arc supporting seat still can firmly weld on the hull inner wall when receiving the vibration impact.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the mounting structure of the present invention.
Fig. 3 is a partial right side view of fig. 2 (without the hull and reinforcing beam).
Fig. 4 is a partial top view of fig. 2 (excluding the hull, the subdivision deck and the reinforcing beam).
Wherein: 1. a support toggle plate; 2. an arc supporting seat; 3. a damping rubber layer; 4. an arc support plate; 5. an elastic connecting member; 6. a hull; 7. spreading the compartment; 8. a reinforcing cross beam;
101. a first right-angle side; 102. a bevel edge; 103. a second right-angle side;
401. a circular arc portion; 402. an installation part;
4021. a first mounting hole;
701. and a second mounting hole.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1 and 2, the present invention includes an arc support base 2, a plurality of support brackets 1 are uniformly distributed on a lower surface of the arc support base 2, and a single support bracket 1 is perpendicular to the lower surface of the arc support base 2, the upper surface of the arc support base 2 is attached to a damping rubber layer 3, an arc support plate 4 is elastically installed on the upper surface of the damping rubber layer 3, the arc support plate 4 includes an arc portion 401 matched with the damping rubber layer 3, upper edges of two sides of the arc portion 401 respectively extend outwards along a horizontal direction to form an installation portion 402, and the installation portion 402 is provided with a plurality of first installation holes 4021.
As shown in fig. 3 and 4, the arc support seat 2 has a plate-shaped structure. Arc portion 401 is the semicircular plate structure, and the width of arc portion 401 is less than the width of arc supporting seat 2 and damping rubber layer 3, and the width of arc supporting seat 2 is the same with the width of damping rubber layer 3. Support bracket 1 is triangle-shaped platelike structure, including first right-angle side 101, second right-angle side 103 and hypotenuse 102, first right-angle side 101 pastes and connects in the lower surface of circular arc supporting seat 2, and second right-angle side 103 pastes and connects in the inner wall of hull 6, and has with hull 6 inner wall complex radian. The number of the support toggle plates 1 is three, the support toggle plates 1 are respectively arranged at the edges of two sides of the lower surface of the arc supporting seat 2, and the support toggle plates 1 are also arranged in the middle of the lower surface of the arc supporting seat 2. Still include a plurality of evenly distributed's elastic connection spare 5, the one end rigid coupling of each elastic connection spare 5 in the upper surface of circular arc portion 401, the other end passes circular arc portion 401, damping rubber layer 3 and circular arc supporting seat 2 and rigid coupling in the lower surface of circular arc supporting seat 2 in proper order, all sets up the through-hole that is suitable for elastic connection spare 5 to pass on circular arc portion 401, damping rubber layer 3 and the circular arc supporting seat 2. The upper surface of the mounting part 402 is fixedly connected with a sub-cabin plank 7 which is vertical to the inner wall of the ship body 6 and extends towards the inside of the ship body 6, second mounting holes 701 are respectively formed in the sub-cabin plank 7 relative to the first mounting holes 4021, and connecting screws sequentially penetrate through the first mounting holes 4021 and the second mounting holes 701 so that the sub-cabin plank 7 is in threaded connection with the mounting part 402. And the lower surface of the subdivision floor plate 7 is fixedly connected with a reinforcing beam 8, the width of the reinforcing beam 8 is the same as that of the subdivision floor plate 7, and the length of the reinforcing beam 8 is smaller than that of the subdivision floor plate 7.
The specific installation process of the invention is as follows:
the arc support seat 2 is welded on the ship body 6, the plurality of support brackets 1 are welded below the arc support seat 2, three support brackets 1 are welded together in the embodiment, the number of the support brackets 1 can be increased or decreased according to actual needs, and the sharp angle at the bottom of the support bracket 1 (namely the angle formed by the intersection of the second right-angle edge 103 and the bevel edge 102) can be designed into a straight edge or other shapes convenient to process. The widths of the arc supporting seat 2 and the damping rubber layer 3 are the same and are larger than the width of the arc supporting plate 4, so that the arc supporting plate 4 can be in full contact with the damping rubber layer 3, and the damping rubber layer 3 can be fixed by using materials such as glue according to actual needs. The arc supporting seat 2, the damping rubber layer 3 and the arc supporting plate 4 are fixed by the elastic connecting piece 5, so that the maximum movement positions of the damping rubber layer 3 and the arc supporting plate 4 can be limited while the deformation of the damping rubber layer 3 and the absorption of vibration energy are not influenced. The lower surface of the subdivision floor plate 7 is abutted to the mounting part 402 of the arc support plate 4, and the bolt penetrates through the first mounting hole 4021 and the second mounting hole 701, so that the subdivision floor plate 7 is screwed with the mounting part 402. In practice, a plurality of equidistantly mounted pedestals are required to support the subdivision planks 7. And a reinforcing cross beam 8 is also arranged below the compartment planking 7, and a gap is formed between the reinforcing cross beam 8 and the base to prevent interference on the base.
The above description is intended to be illustrative and not restrictive, and the scope of the invention is defined by the appended claims, which may be modified in any manner within the scope of the invention.
Claims (8)
1. The utility model provides a twist reverse support elastic damping platform mounting base which characterized in that: including circular arc supporting seat (2), a plurality of blocks support bracket (1) equipartition in the lower surface of circular arc supporting seat (2), and singly support bracket (1) with the lower surface of circular arc supporting seat (2) is perpendicular, the upper surface laminating damping rubber layer (3) of circular arc supporting seat (2), upper surface elastic mounting circular arc backup pad (4) on damping rubber layer (3), circular arc backup pad (4) include with damping rubber layer (3) complex circular arc portion (401), the outside extension formation installation department (402) of horizontal direction is followed respectively to the both sides upper edge of circular arc portion (401), set up the first mounting hole (4021) of a plurality of on installation department (402).
2. A torsionally supported elastomeric damping platform mounting base as defined in claim 1, wherein: the arc supporting seat (2) is of a plate-shaped structure.
3. A torsionally supported elastomeric damping platform mounting base as defined in claim 1, wherein: the arc part (401) is of a semicircular plate-shaped structure, the width of the arc part (401) is smaller than the widths of the arc supporting seat (2) and the damping rubber layer (3), and the width of the arc supporting seat (2) is the same as the width of the damping rubber layer (3).
4. A torsionally supported elastomeric damping platform mounting base as defined in claim 1, wherein: support bracket (1) is triangle-shaped platelike structure, including first right-angle side (101), second right-angle side (103) and hypotenuse (102), first right-angle side (101) subsides are in the lower surface of circular arc supporting seat (2), second right-angle side (103) subsides are in the inner wall of hull (6), and have with hull (6) inner wall complex radian.
5. A torsionally supported elastomeric damping platform mounting base as claimed in claim 4, wherein: the support bracket is characterized by comprising three support brackets (1), wherein the support brackets (1) are respectively arranged at the edges of two sides of the lower surface of the arc support seat (2), and the support brackets (1) are also arranged in the middle of the lower surface of the arc support seat (2).
6. A torsionally supported elastomeric damping platform mounting base as defined in claim 1, wherein: still include a plurality of evenly distributed's elastic connecting piece (5), the one end rigid coupling of each elastic connecting piece (5) in the upper surface of circular arc portion (401), the other end passes circular arc portion (401), damping rubber layer (3) and circular arc supporting seat (2) and rigid coupling in the lower surface of circular arc supporting seat (2) in proper order, all set up the through-hole that is suitable for elastic connecting piece (5) to pass on circular arc portion (401), damping rubber layer (3) and circular arc supporting seat (2).
7. A torsionally supported elastomeric damping platform mounting base as defined in claim 1, wherein: installation department (402) upper surface rigid coupling is perpendicular with hull (6) inner wall, and to hull (6) inside subdivision bed board (7) that extend, second mounting hole (701) are seted up respectively to each mounting hole (4021) relatively on subdivision bed board (7), and connecting screw passes first mounting hole (4021) and second mounting hole (701) in proper order, makes subdivision bed board (7) and installation department (402) spiro union.
8. A torsionally supported elastomeric damping platform mounting base as defined in claim 7, wherein: still rigid coupling stiffening beam (8) along the lower surface of subdivision bed board (7), the width of stiffening beam (8) all is the same with the width of subdivision bed board (7), the length of stiffening beam (8) is less than the length of subdivision bed board (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010047624.4A CN111237385B (en) | 2020-01-16 | 2020-01-16 | Torsion support elastic vibration damping platform mounting base |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010047624.4A CN111237385B (en) | 2020-01-16 | 2020-01-16 | Torsion support elastic vibration damping platform mounting base |
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| Publication Number | Publication Date |
|---|---|
| CN111237385A true CN111237385A (en) | 2020-06-05 |
| CN111237385B CN111237385B (en) | 2021-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010047624.4A Active CN111237385B (en) | 2020-01-16 | 2020-01-16 | Torsion support elastic vibration damping platform mounting base |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203093716U (en) * | 2013-02-22 | 2013-07-31 | 山重建机有限公司 | Limit-supporting base used for engine of excavator |
| CN104044724A (en) * | 2014-06-17 | 2014-09-17 | 江苏省镇江船厂（集团）有限公司 | Combination vibration reduction base for ship |
| CN206278230U (en) * | 2016-12-13 | 2017-06-27 | 中船黄埔文冲船舶有限公司 | A kind of abrasionproof roller |
| CN107245943A (en) * | 2017-08-15 | 2017-10-13 | 四川大学 | The shock mount and damping bridging apparatus of convertible antidetonation pattern |
| KR102074341B1 (en) * | 2019-05-27 | 2020-02-06 | 정윤범 | Earthquake proof construction of support pillar |
-
2020
- 2020-01-16 CN CN202010047624.4A patent/CN111237385B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203093716U (en) * | 2013-02-22 | 2013-07-31 | 山重建机有限公司 | Limit-supporting base used for engine of excavator |
| CN104044724A (en) * | 2014-06-17 | 2014-09-17 | 江苏省镇江船厂（集团）有限公司 | Combination vibration reduction base for ship |
| CN206278230U (en) * | 2016-12-13 | 2017-06-27 | 中船黄埔文冲船舶有限公司 | A kind of abrasionproof roller |
| CN107245943A (en) * | 2017-08-15 | 2017-10-13 | 四川大学 | The shock mount and damping bridging apparatus of convertible antidetonation pattern |
| KR102074341B1 (en) * | 2019-05-27 | 2020-02-06 | 정윤범 | Earthquake proof construction of support pillar |
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| Publication number | Publication date |
|---|---|
| CN111237385B (en) | 2021-08-10 |
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