CN212401481U - Adjustable floating raft vibration isolation device applied to ocean platform - Google Patents
Adjustable floating raft vibration isolation device applied to ocean platform Download PDFInfo
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- CN212401481U CN212401481U CN202020318909.2U CN202020318909U CN212401481U CN 212401481 U CN212401481 U CN 212401481U CN 202020318909 U CN202020318909 U CN 202020318909U CN 212401481 U CN212401481 U CN 212401481U
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Abstract
The utility model discloses a buoyant raft vibration isolation mounting with adjustable be applied to platform, including valve body, mechanical equipment and two I-shaped backup pads, the valve body mainly comprises last backup pad, bottom suspension fagging and a plurality of vertical support board, and is a plurality of the upper and lower end of vertical support board is in the same place with last backup pad and bottom suspension fagging welding respectively, mechanical equipment's bottom fixedly connected with mounting panel, be equipped with upper isolator, two between mounting panel and the last backup pad I-shaped backup pad is located the below of valve body, two be equipped with a plurality of lower floor's isolators and a plurality of attenuator between I-shaped backup pad and the bottom suspension fagging. The utility model discloses rational in infrastructure, through upper isolator and lower floor's isolator, can effectually carry out the shock attenuation to mechanical equipment, so can reduce the noise that its vibrations produced, through the attenuator that can change, can be so that the frequency of lower floor's isolator changes, can effectively reduce the noise that resonance caused.
Description
Technical Field
The utility model relates to a buoyant raft vibration isolation technical field especially relates to be applied to platform's buoyant raft vibration isolation mounting with adjustable.
Background
The damping floating raft technology is that machines with higher noise, such as a main machine and an auxiliary machine, are all arranged on a raft-type base; this base is made of shock-absorbing rubber or the like and is flexibly connected to the ocean platform so that the noise of mechanical vibration can be partially absorbed by the base; how to effectively reduce noise caused by resonance, therefore, an adjustable floating raft vibration isolation device applied to an ocean platform is designed to solve the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcoming that exists among the prior art, and the adjustable buoyant raft vibration isolation mounting of being applied to platform that proposes, it passes through upper vibration isolator and lower floor's vibration isolator, can effectually carry out the shock attenuation to mechanical equipment, so can reduce the noise that its vibrations produced, through the attenuator that can change, can be so that the frequency of lower floor's vibration isolator changes, can effectively reduce the noise that resonance caused.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the adjustable buoyant raft vibration isolation device applied to the ocean platform comprises a valve body, mechanical equipment and two I-shaped supporting plates, wherein the valve body mainly comprises an upper supporting plate, a lower supporting plate and a plurality of longitudinal supporting plates, the upper ends and the lower ends of the longitudinal supporting plates are welded with the upper supporting plate and the lower supporting plate respectively, a mounting plate is fixedly connected to the bottom of the mechanical equipment, an upper vibration isolator is arranged between the mounting plate and the upper supporting plate, the two I-shaped supporting plates are located below the valve body, and a plurality of lower vibration isolators and a plurality of dampers are arranged between the two I-shaped supporting plates and the lower supporting plate.
Preferably, a plurality of side supporting plates are fixedly connected between the upper supporting plate and the lower supporting plate, and the side supporting plates and the longitudinal supporting plate are welded together.
Preferably, upper isolator is including fixing a plurality of first springs between mounting panel and last backup pad, two first cavity poles of mounting panel both sides, sliding connection has two T type poles, two in the first cavity pole be equipped with the second spring between the T type pole, two the one end of carrying on the back mutually of T type pole rotates with mounting panel and last backup pad respectively and is connected.
Preferably, the lower-layer vibration isolator comprises a second hollow rod fixed on the i-shaped support plate, an opening is formed in the upper end of the second hollow rod, a damping column is connected in the second hollow rod in a sliding mode, a third spring is arranged between the damping column and the inner bottom of the second hollow rod, and a fourth spring fixedly connected with the i-shaped support plate and the lower support plate is arranged on the outer side of the second hollow rod.
Preferably, the damper includes a third hollow rod fixed to the upper end of the i-shaped support plate, a sliding plate is slidably connected to the third hollow rod, a plurality of fine through holes are formed in the sliding plate in a penetrating manner, a fifth spring and hydraulic oil are arranged between the sliding plate and the inner bottom of the third hollow rod, a sliding rod is fixedly connected to the upper end of the sliding plate, a sixth spring is arranged between the sliding plate and the inner top of the third hollow rod, the sixth spring is sleeved on the sliding rod, the sliding rod penetrates through the upper end of the third hollow rod and is slidably connected to the upper end of the third hollow rod, and the sliding rod is fixedly connected to the bottom of the lower support plate.
Preferably, a plurality of mounting holes are formed through the drum support plate.
Compared with the prior art, the utility model, its beneficial effect does:
the utility model discloses, can change the frequency of vibration of lower floor's isolator through the attenuator, realize the influence to the valve body and then change the frequency of vibration of upper vibration isolator for it is not the same with the frequency that mechanical equipment during operation produced, avoids producing resonance with mechanical equipment, greatly reduced the noise that mechanical equipment during operation produced
To sum up, the utility model discloses rational in infrastructure, through upper isolator and lower floor's isolator, can effectually carry out the shock attenuation to mechanical equipment, so can reduce the noise that its vibrations produced, through the attenuator that can change, can be so that the frequency of lower floor's isolator changes, can effectively reduce the noise that resonance caused.
Drawings
Fig. 1 is a schematic structural view of an adjustable buoyant raft vibration isolation device applied to an ocean platform according to the present invention;
fig. 2 is a schematic connection diagram of a vibration isolator in the adjustable buoyant raft vibration isolator applied to an ocean platform according to the present invention;
fig. 3 is a schematic view illustrating a connection of a partial structure in an adjustable buoyant raft vibration isolation device applied to an ocean platform.
In the figure: 1 upper supporting plate, 2 mounting plates, 3 mechanical equipment, 4 first springs, 5 longitudinal supporting plates, 6 lower supporting plates, 7 through grooves, 8I-shaped supporting plates, 9 fourth springs, 10 second hollow rods, 11 shock absorption columns, 12 third springs, 13 side supporting plates, 14 third hollow rods, 15 sliding plates, 16 fine through holes, 17 sliding rods, 18 fifth springs, 19 sixth springs, 20 hydraulic oil, 21 first hollow rods, 22 second springs and 23T-shaped rods.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, the adjustable floating raft vibration isolation device applied to the ocean platform comprises a valve body, mechanical equipment 3 and two I-shaped supporting plates 8, wherein the valve body mainly comprises an upper supporting plate 1, a lower supporting plate 6 and a plurality of longitudinal supporting plates 5, and a plurality of through grooves 7 are arranged on the lower supporting plate 6 in a penetrating manner; the upper and lower ends of a plurality of longitudinal support plates 5 respectively with go up backup pad 1 and bottom suspension fagging 6 welding together, go up a plurality of collateral branch backup pads 13 of fixedly connected with between backup pad 1 and the bottom suspension fagging 6, collateral branch backup pad 13 and longitudinal support plate 5 welding together can increase collateral branch backup pad 13 and last backup pad 1 and the steadiness between the bottom suspension fagging 6, so can assist longitudinal support plate 5 to go up backup pad 1 and carry out stable support.
The bottom of the mechanical equipment 3 is fixedly connected with a mounting plate 2, and the mechanical equipment 3 is connected with the mounting plate 2 through a bolt; an upper-layer vibration isolator is arranged between the mounting plate 2 and the upper supporting plate 1 and comprises a plurality of first springs 4 fixed between the mounting plate 2 and the upper supporting plate 1, and two ends of each first spring 4 are connected with the mounting plate 2 and the upper supporting plate 1 through welding, so that stable connection between the first springs and the upper supporting plate can be ensured; two first hollow rods 21 at two sides of the mounting plate 2, two T-shaped rods 23 are connected in the first hollow rods 21 in a sliding mode, a second spring 22 is arranged between the two T-shaped rods 23, the opposite ends of the two T-shaped rods 23 are respectively connected with the mounting plate 2 and the upper supporting plate 1 in a rotating mode, and the T-shaped rods 23 are connected with the mounting plate 2 and the upper supporting plate 1 through bearings; can carry on spacingly through second spring 22 and two T type poles 23 to mounting panel 2, realize so spacing to first spring 4 for mounting panel 2 can not increase the range because of mechanical equipment 3 vibrations, makes it vibrations in very little range, and so effectual realization has certain damping effect to mechanical equipment 3's shock attenuation.
The two I-shaped supporting plates 8 are positioned below the valve body, and a plurality of lower-layer vibration isolators and a plurality of dampers are arranged between the two I-shaped supporting plates 8 and the lower supporting plate 6; a plurality of mounting holes are formed in the I-shaped support plate 8 in a penetrating mode, so that the I-shaped support plate 8 can be conveniently mounted on an ocean platform.
Specifically, the lower-layer vibration isolator comprises a second hollow rod 10 fixed on the i-shaped support plate 8, and an opening is formed at the upper end of the second hollow rod 10, as shown in fig. 1; a damping column 11 is connected in the second hollow rod 10 in a sliding manner, a third spring 12 is arranged between the damping column 11 and the inner bottom of the second hollow rod 10, a fourth spring 9 fixedly connected with the I-shaped supporting plate 8 and the lower supporting plate 6 is arranged on the outer side of the second hollow rod 10, and two ends of the fourth spring 9 are connected by welding the I-shaped supporting plate 8 and the lower supporting plate 6, so that the stable connection between the two can be ensured; the valve body and the mechanical equipment 3 can be damped through the third spring 12, the amplitude of the third spring 12 moving up and down due to the vibration of the valve body can be limited through the fourth spring 9, and a certain damping effect is achieved.
Specifically, the damper comprises a third hollow rod 14 fixed at the upper end of the I-shaped support plate 8, a sliding plate 15 is connected in the third hollow rod 14 in a sliding manner, a plurality of fine through holes 16 penetrate through the sliding plate 15, and the fine through holes 16 can limit the flowing speed of hydraulic oil 20; a fifth spring 18 and hydraulic oil 20 are arranged between the sliding plate 15 and the inner bottom of the third hollow rod 14, the upper end of the sliding plate 15 is fixedly connected with a sliding rod 17, a sixth spring 19 is arranged between the sliding plate 15 and the inner top of the third hollow rod 14, and the sixth spring 19 is sleeved on the sliding rod 17, as shown in fig. 2; the sliding rod 17 penetrates through the upper end of the third hollow rod 14 and is connected with the upper end of the third hollow rod 14 in a sliding manner, and the upper end of the third hollow rod 14 penetrates through a mounting through hole for mounting the sliding rod 17; the sliding rod 17 is fixedly connected with the bottom of the lower support plate 6; a certain damping effect is achieved between the fifth spring 18 and the sixth spring 19, and the vibration of the valve body is reduced.
In the utility model, when the mechanical equipment 3 vibrates during working, the first-step shock absorption can be realized for the mechanical equipment 3 through the upper-layer vibration isolator, and the shock absorption can be realized for the valve body through the lower-layer vibration isolator; when the slide bar 17 shakes from top to bottom because of the valve body vibrations, slide bar 17 drives sliding plate 15 and reciprocates, so hydraulic oil 20 removes in tiny through-hole 16, through the flow speed of tiny through-hole 16 greatly reduced hydraulic oil 20, play better damping effect, so can change the vibration frequency of lower floor's isolator, make mechanical equipment 3, the vibration frequency of upper vibration isolator and lower floor's isolator inequality, and then make mechanical equipment 3 can not produce resonance with upper vibration isolator and lower floor's isolator, greatly reduced the noise that mechanical equipment during operation produced.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The adjustable buoyant raft vibration isolation device applied to the ocean platform comprises a valve body, mechanical equipment (3) and two I-shaped supporting plates (8), and is characterized in that the valve body mainly comprises an upper supporting plate (1), a lower supporting plate (6) and a plurality of longitudinal supporting plates (5), the upper end and the lower end of each longitudinal supporting plate (5) are welded with the upper supporting plate (1) and the lower supporting plate (6) respectively, a mounting plate (2) is fixedly connected to the bottom of the mechanical equipment (3), an upper vibration isolator is arranged between the mounting plate (2) and the upper supporting plate (1), the two I-shaped supporting plates (8) are located below the valve body, and a plurality of lower vibration isolators and a plurality of dampers are arranged between the two I-shaped supporting plates (8) and the lower supporting plate (6).
2. The adjustable buoyant raft vibration isolation device applied to the ocean platform according to claim 1, wherein a plurality of side supporting plates (13) are fixedly connected between the upper supporting plate (1) and the lower supporting plate (6), and the side supporting plates (13) are welded with the longitudinal supporting plate (5).
3. The adjustable buoyant raft vibration isolation device applied to the ocean platform as recited in claim 1, wherein the upper vibration isolator comprises a plurality of first springs (4) fixed between the mounting plate (2) and the upper support plate (1), two first hollow rods (21) are arranged on two sides of the mounting plate (2), two T-shaped rods (23) are slidably connected in the first hollow rods (21), a second spring (22) is arranged between the two T-shaped rods (23), and the opposite ends of the two T-shaped rods (23) are respectively rotatably connected with the mounting plate (2) and the upper support plate (1).
4. The adjustable buoyant raft vibration isolation device applied to the ocean platform according to claim 1, wherein the lower vibration isolator comprises a second hollow rod (10) fixed on the I-shaped support plate (8), the upper end of the second hollow rod (10) is provided with an opening, a damping column (11) is connected in the second hollow rod (10) in a sliding manner, a third spring (12) is arranged between the damping column (11) and the inner bottom of the second hollow rod (10), and a fourth spring (9) fixedly connected with the I-shaped support plate (8) and the lower support plate (6) is arranged on the outer side of the second hollow rod (10).
5. The adjustable buoyant raft vibration isolation device applied to the ocean platform according to claim 1, wherein the damper comprises a third hollow rod (14) fixed at the upper end of the I-shaped support plate (8), a sliding plate (15) is slidably connected in the third hollow rod (14), a plurality of fine through holes (16) are formed in the sliding plate (15) in a penetrating manner, a fifth spring (18) and hydraulic oil (20) are arranged between the sliding plate (15) and the inner bottom of the third hollow rod (14), a sliding rod (17) is fixedly connected at the upper end of the sliding plate (15), a sixth spring (19) is arranged between the sliding plate (15) and the inner top of the third hollow rod (14), the sixth spring (19) is sleeved on the sliding rod (17), and the sliding rod (17) penetrates through the upper end of the third hollow rod (14) and is slidably connected therewith, the sliding rod (17) is fixedly connected with the bottom of the lower support plate (6).
6. The adjustable buoyant raft vibration isolation device applied to the ocean platform of claim 5, wherein a plurality of mounting holes are arranged on the I-shaped supporting plate (8) in a penetrating way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020318909.2U CN212401481U (en) | 2020-03-16 | 2020-03-16 | Adjustable floating raft vibration isolation device applied to ocean platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020318909.2U CN212401481U (en) | 2020-03-16 | 2020-03-16 | Adjustable floating raft vibration isolation device applied to ocean platform |
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| CN212401481U true CN212401481U (en) | 2021-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020318909.2U Active CN212401481U (en) | 2020-03-16 | 2020-03-16 | Adjustable floating raft vibration isolation device applied to ocean platform |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112937758A (en) * | 2021-03-12 | 2021-06-11 | 中国船舶重工集团公司第七一九研究所 | Damping unit, buoyant raft vibration isolation device and ship |
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2020
- 2020-03-16 CN CN202020318909.2U patent/CN212401481U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112937758A (en) * | 2021-03-12 | 2021-06-11 | 中国船舶重工集团公司第七一九研究所 | Damping unit, buoyant raft vibration isolation device and ship |
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Effective date of registration: 20230505 Address after: 572000 entrepreneurship Incubation Park, National University Science Park, Hainan Institute of Tropical Oceanography, No. 1, Yucai Road, Jiyang District, Sanya City, Hainan Province Patentee after: Hainan Lidao Marine Technology Co.,Ltd. Address before: Room 907, Qingdao science and technology innovation building, 171 B Shandong Road, Shibei District, Qingdao, Shandong 266000 Patentee before: QINGDAO GUONENG HAOYUAN MARINE SCIENCE AND TECHNOLOGY Co.,Ltd. |