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Combined vibration isolation base with hollow webs

A hollow plate and combined technology, applied in the field of power equipment installation base, can solve the problems of ship vibration isolation effect is not obvious, no vibration and noise reduction, etc., to achieve good low-frequency vibration absorption effect, attenuation of structural noise transmission, good The effect of practical application value

Active Publication Date: 2014-11-19
SHANGHAI JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The traditional base system consists of a longitudinal frame and a plate frame welded to the ship. It only plays the role of supporting equipment, and the vibration isolation effect of the equipment transmitted to the ship is not obvious.
[0003] Figure 1 shows a typical ship base structure, which consists of base transverse panels, base vertical panels and base brackets. Vibration noise reduction effect

Method used

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  • Combined vibration isolation base with hollow webs
  • Combined vibration isolation base with hollow webs
  • Combined vibration isolation base with hollow webs

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Embodiment Construction

[0031] The embodiments of the present invention are described in detail below. This embodiment is implemented on the premise of the technical solution of the present invention, and detailed implementation methods and specific operating procedures are provided, but the protection scope of the present invention is not limited to the following implementation example.

[0032] Figure 1(1) and Figure 1(2) show a typical ship base structure, which consists of base transverse panel 1, base vertical panel 2 and base bracket 3, the structure can only To the role of installing and supporting power equipment, there is almost no effect of vibration and noise reduction.

[0033] Fig. 2(1) and Fig. 2(2) show a new type of combined hollow plate vibration isolation base structure disclosed by the present invention, which consists of double-layer periodic hollow plate 4, curved beam spring 5, cantilever beam type power The shock absorber 6 and the arc connecting plate 7 are welded. The doubl...

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Abstract

The invention provides a combined vibration isolation base with hollow webs. The combined vibration isolation base comprises two double-layer periodic hollow webs, a curved beam spring and a dynamic isolation absorber, wherein each double-layer periodic hollow web is formed by cutting periodically distributed small iron blocks by square steel wire cutting, the curved beam spring is formed by welding two same spring plates back to back, and the dynamic vibration absorber is formed by welding steel blocks and spring steel; the two double-layer periodic hollow webs are connected by the curved beam spring, wherein the connection position is in a place where ribs of the hollow webs are arranged; and the dynamic isolation absorber is arranged at the lower part of the upper double-layer periodic hollow web. The combined vibration isolation base ensures that a ship base structure achieves favorable vibration isolation effects at a low frequency band and a high frequency band while supporting power equipment, is favorable in economy and wide in application prospect, and is suitable for being used as a base structure of various ships.

Description

technical field [0001] The invention relates to a power equipment installation base, in particular to an equipment installation base capable of reducing vibration and noise of ship power machinery. Background technique [0002] The vibration of the ship's power equipment is one of the main vibration sources that cause the hull vibration. The base system is the device installed between the floating raft and the ship. When the hull is swaying, it can ensure the stability of the machinery and equipment. The weight and the forces it generates during operation are transmitted to the hull structure. It is an important structure to ensure the normal operation of various mechanical devices. The reliability of the base structure will directly affect the navigation and combat capabilities of the ship. The traditional base system is composed of a longitudinal frame and a plate frame welded to the ship. It only plays the role of supporting the equipment, and has no obvious effect on th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16F15/06
Inventor 陈荣吴天行
Owner SHANGHAI JIAOTONG UNIV
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