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Vibration isolating device

A vibration isolation and integrated technology, which is applied in the direction of shock absorbers, friction shock absorbers, springs/shock absorbers, etc., can solve the problem of the difficulty in improving the compressive bearing capacity of steel springs, the inapplicability of mechanical equipment and buildings, and the compressive bearing capacity Insufficient damping coefficient and other problems, to achieve good vibration isolation effect and compressive bearing capacity

Pending Publication Date: 2017-07-21
NINGBO UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The above three types of vibration isolation supports can achieve a certain degree of vibration reduction and vibration isolation. However, although the plate rubber device in Patent Document 1 has a large enough compressive bearing capacity and horizontal vibration isolation function, it is difficult to meet the requirements of vertical vibration isolation. vibration requirements; although the air spring in patent document 2 can realize the vertical vibration isolation function, its compressive bearing capacity and damping coefficient are insufficient, and it cannot be applied to heavier mechanical equipment and buildings; although the combined device in patent document 3 has vertical It has the function of shock absorption and isolation, but the ultimate compressive bearing capacity of the steel spring is difficult to improve, and the medium resistance and corrosion resistance are poor

Method used

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Embodiment 1

[0034] Such as Figure 1-2 As shown, it is a preferred embodiment of the present invention, the vibration isolation device includes a first sealing plate 5, a second sealing plate 9, and an outer packing capsule 8 is arranged between the first sealing plate 5 and the second sealing plate 9, The outer packaging capsule 8 is filled with particulate matter 11 . Among them, the upper and lower sealing plates 5 and 9 are made of stainless steel with bolt holes, fixed on the upper and lower ends of the outer packaging capsule body 8 by locking bolts 6 and aluminum alloy flanges 7, and connected with the upper and lower parts by pre-embedded bolts at the corners. The building structure is connected.

[0035] The outer packaging capsule body 8 is divided into three layers: the inner layer is reinforced rubber with good wear resistance and sealing performance; the middle layer is carbon fiber cloth with high tensile strength; the outer layer is rubber with good medium resistance and a...

Embodiment 2

[0047] This embodiment is an improvement made on the basis of the first embodiment, and other parts are the same, and will not be repeated here, and only the improvements will be described.

[0048] like image 3 As shown, an air bag 4 is also arranged in the outer packaging bag body 8, and the air bag 4 is filled with gas. The airbag 4 can be externally connected with a copper pipe 1, and the copper pipe 1 protrudes from the middle through hole of the first sealing plate 5, and the junction between the airbag 4 and the copper pipe 1 is reinforced with carbon fiber reinforced rubber 3, when the vertical vibration isolation device When the stiffness deviates greatly from the value desired by the builder, it can be inflated or deflated through the copper tube 1, so that the vertical stiffness of the vibration isolation device reaches the required value, because the airbag 4 only bears the pressure exerted by the surrounding particulate matter, and vice versa , when the airbag i...

Embodiment 3

[0052] Embodiment 3 is an improvement on Embodiment 2, and only the improvements will be described here.

[0053] The airbag of the vibration isolation device is formed by a plurality of airbags 4 connected in series through copper tubes 1, and the outer packaging capsule is integrally formed by connecting a plurality of outer packaging capsules 8 in series, and grooves are formed at adjacent molding connections, and each airbag 4 is respectively Correspondingly located in the corresponding outer packaging bladder 8, an annular component 10 can also be added at the groove of the integrally formed outer packaging bladder. Since the combination of a separate outer packaging bladder and the air bag has vertical elasticity, when multiple When the outer packaging capsule and the airbag are combined in series to form a vibration isolation device, according to the principle of spring series connection, it can be known that the device can further reduce the vertical stiffness of the sy...

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Abstract

The invention discloses a vibration isolating device. The vibration isolating device comprises a first elastic cavity and at least two granular substances which are positioned in the first elastic cavity. The vibration isolating device is characterized in that the size, the texture and the hardness of each granular substance are different. Compared with the prior art, the vibration isolating device has compression bearing capacity and vertical elastic force, and is better in vibration reducing and isolating effect.

Description

technical field [0001] The invention relates to a vibration isolation device, in particular to a vibration isolation device with good vibration isolation and damping effect in the vertical direction. Background technique [0002] While subway and other rail transit brings convenience to people, it also affects the lives of residents along the line due to vibration and noise caused by high-speed movement. Especially, the high-frequency vibration generated in the vertical direction during subway operation has the most significant adverse impact on buildings. Vibration isolation devices are widely used in bridges, piers, buildings and other places because of their horizontal deformation, vertical tensile capacity and automatic reset characteristics. [0003] Existing vibration isolation devices mainly include plate rubber devices, air spring devices, and oil damping-steel spring combination devices. Such as the rubber vibration isolation device disclosed in Patent Document 1 (...

Claims

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Application Information

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IPC IPC(8): F16F7/01
CPCF16F7/015
Inventor 盛涛肖畅单艳玲刘干斌
Owner NINGBO UNIV
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