CN209875839U

CN209875839U - Damping-adjustable vibration isolator using linear spring

Info

Publication number: CN209875839U
Application number: CN201822169106.0U
Authority: CN
Inventors: 苏志全
Original assignee: Suzhou Telida Spring Hardware Co Ltd
Current assignee: Suzhou Telida Spring Hardware Co Ltd
Priority date: 2018-12-24
Filing date: 2018-12-24
Publication date: 2019-12-31
Anticipated expiration: 2028-12-24

Abstract

The utility model discloses a damping adjustable vibration isolator using linear springs, which belongs to the technical field of cooling towers and comprises a base, wherein a first shock insulation cabin is arranged above the base, a rotating disc is arranged between the first shock insulation cabin and the base, a second shock insulation cabin is arranged in the middle of an inner cavity of the first shock insulation cabin, a plurality of groups of first connecting lug blocks are arranged at the bottom of the inner cavity of the first shock insulation cabin and the bottom of the second shock insulation cabin, a second connecting lug block is hinged at the arc side of the first connecting lug block, a first damping variable damper is arranged between the upper connecting lug block and the lower connecting lug block, and a first linear spring is arranged outside the first damping variable damper, the vibration isolation of the cooling tower is facilitated to be softer.

Description

Damping-adjustable vibration isolator using linear spring

Technical Field

The utility model relates to a cooling tower technical field specifically is an isolator with adjustable application linear spring's damping.

Background

Vibration isolators are elastomeric elements that connect equipment to a foundation to reduce and eliminate vibrational forces transmitted from the equipment to the foundation and vibrations transmitted from the foundation to the equipment. The existing vibration isolator only isolates the up-and-down vibration but cannot process the vibration in other directions, so that the vibration isolation effect of the vibrator is poor.

For example, chinese patent application No. CN201621309068.9, specifically contains: a self-balancing five-position hydraulic vibration isolator for a cooling tower comprises a vibration damping mechanism, a universal device, a vibration damping spring, a piston rod, an upper oil cavity, an upper oil duct, a lower oil cavity, a lower oil duct, a dust cover and a foundation bolt preformed hole, the vibration reduction mechanism is arranged in the vibration isolator and used for reducing vibration and noise of a building when the cooling tower runs, five vibration reduction mechanisms are arranged in the vibration isolator, the upper oil cavity and the lower oil cavity are internally provided with hydraulic oil, the upper oil channel is used for communicating the upper oil cavity, the lower oil duct is used for communicating the lower oil cavity, the foundation bolt preformed hole is arranged at the top end of the vibration isolator, the cooling tower is fixedly connected with the vibration isolator through the foundation bolt preformed hole, the hydraulic oil proportion in the upper oil cavity and the lower oil cavity can be automatically changed according to the gravity center change of the cooling tower so as to reach a balanced state, and the dust cover is fixedly arranged outside the vibration isolator and used for preventing dust in air from entering.

The self-balancing five-position hydraulic vibration isolator for the cooling tower is cast by all stainless steel, has long service life and high precision, and cannot generate oil leakage and oil seepage phenomena. The all-round displacement effect of universal ware can reduce because the wearing and tearing that the vibration brought, effectively increases equipment life, and semi-closed design can prevent impurity, rainwater invasion and attack the isolator simultaneously, provides and guarantees outstanding operating mode, but this kind of five hydraulic isolator of cooling tower self-balancing can only be isolated to upper and lower vibration, hardly will control and the vibration of fore-and-aft direction is isolated to reduce the influence that the vibration brought, this isolator can not adjust the damped size of vibration isolation moreover, is unfavorable for adjusting the best vibration isolation state, based on this, the utility model discloses an isolator with adjustable damping of application linear spring to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an isolator with adjustable damping of application linear spring to solve and to provide in the above-mentioned background art can only completely cut off the vibration from top to bottom, hardly will control and the fore-and-aft direction's vibration completely cuts off, with the influence that reduces the vibration and bring, this isolator can not adjust the damped size of vibration isolation moreover, is unfavorable for adjusting the problem of the best vibration isolation state.

In order to achieve the above object, the utility model provides a following technical scheme: a damping adjustable vibration isolator applying a linear spring comprises a base, wherein a first vibration isolation cabin is arranged above the base, a rotating disc is arranged between the first vibration isolation cabin and the base, a second vibration isolation cabin is arranged in the middle of an inner cavity of the first vibration isolation cabin, a plurality of groups of first connecting lug blocks are arranged at the bottom of the inner cavity of the first vibration isolation cabin and the bottom of the second vibration isolation cabin, a second connecting lug block is hinged to the arc side of the first connecting lug block, a first damping variable damper is arranged between the upper connecting lug block and the lower connecting lug block, a linear spring is arranged outside the first damping variable damper, a plurality of groups of third connecting lug blocks are arranged between the left side wall and the right side wall of the inner cavity of the first vibration isolation cabin and the left side wall and the right side wall of the second vibration isolation cabin, a fourth connecting lug block is arranged on the arc side of the third connecting lug block, a second damping variable damper is arranged between the left connecting lug block and the right, the damping device is characterized in that a damping sliding block is arranged in an inner cavity of the second vibration isolation cabin, a vibration isolation top plate is arranged at the top of the damping sliding block, an upper mounting plate is arranged above the vibration isolation top plate, a rotating shaft is arranged between the vibration isolation top plate and the upper mounting plate, fixing bolts are arranged at four corners of the base, fixing blocks are arranged on the upper side and the lower side of the damping sliding block and on the upper side and the lower side of the inner cavity of the second vibration isolation cabin, a third damping variable damper is arranged between the fixing blocks in a vertically corresponding mode, and a third linear spring is arranged outside.

Preferably, a dustproof ring is arranged between the vibration isolation top plate and the first vibration isolation cabin.

Preferably, a bearing is arranged at the joint of the rotating disc and the first vibration isolation cabin.

Preferably, a bearing is arranged between the rotating shaft and the vibration isolation top plate.

Preferably, the base is a cuboid.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses simple structure can realize completely cutting off the vibration from top to bottom, about and before and after, through the rotation of rolling disc and axis of rotation, can realize omnidirectional vibration isolation, and the practicality is high, and through adjusting various damping variable damper to best position, the vibration that is favorable to the cooling tower is completely cut off gentler, through the dust ring, can avoid impurity such as dust to get into vibration isolation cabin one, influences the vibration isolation effect of isolator, through fixing bolt, can firmly fix the isolator at the isolator mounting bracket.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of a local structure of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1-base, 2-vibration isolation cabin I, 3-rotating disc, 4-vibration isolation cabin II, 5-connecting lug I, 6-connecting lug II, 7-damping variable damper I, 8-linear spring I, 9-connecting lug III, 10-connecting lug IV, 11-damping variable damper II, 12-linear spring II, 13-damping sliding block, 14-vibration isolation top plate, 15-upper mounting plate, 16-rotating shaft, 17-fixing bolt, 18-dust ring, 19-fixing block, 20-damping variable damper III and 21-linear spring III.

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. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a damping adjustable vibration isolator using linear springs, comprising: a damping adjustable vibration isolator applying linear springs comprises a base 1, a vibration isolation cabin I2 is arranged above the base 1, a rotating disc 3 is arranged between the vibration isolation cabin I2 and the base 1, a vibration isolation cabin II 4 is arranged in the middle of an inner cavity of the vibration isolation cabin I2, a plurality of groups of connecting lug blocks I5 are arranged at the bottom of the inner cavity of the vibration isolation cabin I2 and the bottom of the vibration isolation cabin II 4 respectively, a connecting lug block II 6 is hinged to the arc side of the connecting lug block I5, a damping variable damper I7 is arranged between the upper connecting lug block II 6 and the lower connecting lug block II 6, a linear spring I8 is arranged outside the damping variable damper I7, a plurality of groups of connecting lug blocks III 9 are arranged between the left side wall and the right side wall of the inner cavity of the vibration isolation cabin I2 and the left side wall and the right side wall of the vibration isolation cabin II 4 respectively, a plurality of connecting lug block IV 10 is arranged, a second linear spring 12 is arranged outside the second damping variable damper 11, a damping sliding block 13 is arranged in an inner cavity of the second vibration isolation cabin 4, a vibration isolation top plate 14 is arranged at the top of the damping sliding block 13, an upper mounting plate 15 is arranged above the vibration isolation top plate 14, a rotating shaft 16 is arranged between the vibration isolation top plate 14 and the upper mounting plate 15, fixing bolts 17 are arranged at four corners of the base 1, fixing blocks 19 are arranged on the upper side and the lower side of the damping sliding block 13 and the upper side and the lower side of the inner cavity of the second vibration isolation cabin 4, a third damping variable damper 20 is arranged between the upper fixing block 19 and the lower fixing block 19, and a third linear spring 21 is arranged.

Wherein, be provided with dust ring 18 between vibration isolation roof 14 and the vibration isolation cabin 2, prevent that the dust from getting into vibration isolation cabin 2, influence the vibration isolation effect of isolator, the rolling disc 3 is provided with the bearing with the junction in vibration isolation cabin 2, is provided with the bearing between axis of rotation 16 and the vibration isolation roof 14 for vibration isolation cabin 2 rotates smoothly, and base 1 is the cuboid, makes things convenient for the installation of isolator.

One specific application of this embodiment is: the vibration isolator is placed on the vibration isolator mounting frame, the fixing bolt 17 is screwed to firmly fix the vibration isolator, the upper mounting plate 15 and the vibration part of the cooling tower are fixedly mounted, if up-and-down vibration is generated, up-and-down vibration isolation can be realized through the first damping variable damper 7 and the first linear spring 8 in the first vibration isolation cabin 2, if left-and-right vibration is generated, left-and-right vibration can be isolated through the second damping variable damper 11 and the second linear spring 12 in the first vibration isolation cabin 2, if front-and-back vibration is generated, isolation of front-and-back vibration is realized through the third damping variable damper 20 and the third linear spring 21 in the second vibration isolation cabin 4, if front-side oblique vibration is generated, isolation of vibration is realized through the first damping variable damper 7 and the first linear spring 8 in the first vibration isolation cabin 2 and the second damping variable damper 11 and the second linear spring 12, so that by rotating the first vibration isolation, the vibration isolator is adjusted to have the minimum vibration residue, and the working efficiency of the vibration isolator can be enhanced by adjusting the damping of each group of variable damping dampers.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides an isolator with adjustable application linear spring's damping, includes base (1), its characterized in that: the vibration isolation device is characterized in that a first vibration isolation cabin (2) is arranged above the base (1), a rotating disc (3) is arranged between the first vibration isolation cabin (2) and the base (1), a second vibration isolation cabin (4) is arranged in the middle of an inner cavity of the first vibration isolation cabin (2), a plurality of groups of first connecting lug blocks (5) are arranged at the bottom of the inner cavity of the first vibration isolation cabin (2) and the bottom of the second vibration isolation cabin (4), a second connecting lug block (6) is hinged to the arc side of the first connecting lug block (5), a first damping variable damper (7) is arranged between the upper connecting lug block and the lower connecting lug block (6), a first linear spring (8) is arranged outside the first damping variable damper (7), a plurality of groups of third connecting lug blocks (9) are arranged between the left side wall and the right side wall of the inner cavity of the first vibration isolation cabin (2) and the left side wall and the right side wall of the second vibration isolation cabin (4), and a, a second damping variable damper (11) is arranged between the left connecting ear block (10) and the right connecting ear block (10), a second linear spring (12) is arranged outside the second damping variable damper (11), a damping sliding block (13) is arranged in the inner cavity of the second vibration isolation cabin (4), a vibration isolation top plate (14) is arranged at the top of the damping sliding block (13), an upper mounting plate (15) is arranged above the vibration isolation top plate (14), a rotating shaft (16) is arranged between the vibration isolation top plate (14) and the upper mounting plate (15), fixing bolts (17) are arranged at four corners of the base (1), fixing blocks (19) are arranged on the upper side and the lower side of the shock absorption sliding block (13) and the upper side and the lower side of the inner cavity of the vibration isolation cabin II (4), a damping variable damper III (20) is arranged between the upper fixing block (19) and the lower fixing block (19) which correspond to each other, and a third linear spring (21) is arranged outside the third damping variable damper (20).

2. The adjustable vibration isolator utilizing linear springs as claimed in claim 1, wherein: and a dust ring (18) is arranged between the vibration isolation top plate (14) and the vibration isolation cabin I (2).

3. The adjustable vibration isolator utilizing linear springs as claimed in claim 1, wherein: and a bearing is arranged at the joint of the rotating disc (3) and the vibration isolation cabin I (2).

4. The adjustable vibration isolator utilizing linear springs as claimed in claim 1, wherein: and a bearing is arranged between the rotating shaft (16) and the vibration isolation top plate (14).

5. The adjustable vibration isolator utilizing linear springs as claimed in claim 1, wherein: the base (1) is a cuboid.