CN113757302B - Combined vibration damper - Google Patents

Combined vibration damper Download PDF

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Publication number
CN113757302B
CN113757302B CN202111063622.5A CN202111063622A CN113757302B CN 113757302 B CN113757302 B CN 113757302B CN 202111063622 A CN202111063622 A CN 202111063622A CN 113757302 B CN113757302 B CN 113757302B
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China
Prior art keywords
damping device
vibration damper
cavity
wire rope
main body
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CN202111063622.5A
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Chinese (zh)
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CN113757302A (en
Inventor
盛冬平
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Changzhou Institute of Technology
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Changzhou Institute of Technology
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02Suppression 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
    • F16F15/04Suppression 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
    • F16F15/06Suppression 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 metal springs
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02Suppression 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
    • F16F15/04Suppression 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
    • F16F15/08Suppression 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
    • F16F15/085Use of both rubber and metal springs
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F2224/00Materials; Material properties
    • F16F2224/02Materials; Material properties solids
    • F16F2224/0208Alloys
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F2224/00Materials; Material properties
    • F16F2224/02Materials; Material properties solids
    • F16F2224/025Elastomers

Abstract

The invention discloses a combined type vibration damping device, and relates to the technical field of vibration damping. Including unable adjustment base, the unable adjustment base top sets up the spacing groove, set up vertical damping device in the spacing groove, vertical damping device top sets up the loading board, the inside cavity that sets up of unable adjustment base, set up horizontal damping device in the cavity, vertical damping device includes wire rope bumper shock absorber and elastic main body, wire rope bumper shock absorber top and loading board fixed connection, wire rope bumper shock absorber bottom is connected with elastic main body top, horizontal damping device includes carriage release lever and steel spring, the carriage release lever bottom extends into in the cavity, the articulated connecting rod in carriage release lever bottom, steel spring one end is fixed to be set up on the inner wall of cavity, other end fixed connection horizontal pole, horizontal pole and connecting rod fixed connection. The combined type vibration damper provided by the invention is provided with the vertical vibration damper and the transverse vibration damper, can bear multidirectional large impact waves of large-tonnage equipment, and prolongs the service life of the whole structure.

Description

Combined vibration damper
Technical Field
The invention relates to the technical field of shock absorption, in particular to a combined type shock absorption device.
Background
When the mechanical equipment works, the whole mechanical equipment vibrates due to vibration of part of components during working, so that noise can be generated during working of the mechanical equipment due to vibration, and the working is influenced. Therefore, people often connect the equipment and the base part through the vibration damping device to ensure that external vibration is not transmitted to the equipment, and the vibration of the equipment can not be transmitted to the outside, namely, the vibration is separated through the vibration damping device. The shock absorber in the prior art has a single function, generally has large allowable displacement in the Z-axis direction, but has small allowable displacement in the horizontal direction, and for some mechanical equipment which can generate large tonnage horizontal displacement, the shock absorber is torn and damaged after exceeding the allowable displacement in the horizontal direction of the shock absorber, so that the shock absorber cannot be used for a long time, and the shock absorption effect is not ideal.
Therefore, it is desirable to design a combined damping device to solve the above problems.
Disclosure of Invention
The invention mainly aims to provide a combined type vibration damping device to solve the problems in the prior art.
In order to solve the technical problems, the invention adopts the following technical scheme:
a combined type vibration damper comprises a fixed base, wherein a limiting groove is arranged at the top of the fixed base, a vertical vibration damper is arranged in the limiting groove, a bearing plate is arranged at the top of the vertical vibration damper, a cavity is arranged in the fixed base, a transverse vibration damper is arranged in the cavity,
the vertical damping device comprises a steel wire rope damper and an elastic main body, the top of the steel wire rope damper is fixedly connected with the bearing plate, the bottom of the steel wire rope damper is connected with the top of the elastic main body, the elastic main body is arranged in the limiting groove, a through hole is arranged in the middle of the elastic main body,
the transverse damping device comprises a moving rod and a steel spring, the top end of the moving rod penetrates through the through hole, the bottom end of the moving rod extends into the cavity, the bottom end of the moving rod is hinged to a connecting rod, one end of the steel spring is fixedly arranged on the inner wall of the cavity, the other end of the steel spring is fixedly connected with a transverse rod, and the transverse rod is fixedly connected with the connecting rod.
Further, set up spacing skeleton in the spacing inslot, spacing skeleton top sets up and holds the chamber, the elastic main part joint set up in hold the intracavity.
Furthermore, a groove is formed in the bottom of the accommodating cavity, a clamping block is arranged at the bottom of the elastic main body, and the clamping block is clamped in the groove.
Furthermore, the bottom of the limiting framework is provided with a limiting hole, the side wall of the limiting hole is provided with a sliding groove, the moving rod is provided with a sliding block, and the sliding block is connected with the sliding groove in a sliding mode.
Furthermore, a rubber cushion block is arranged between the limiting framework and the side wall of the limiting groove.
Further, the steel spring comprises a first steel spring and a second steel spring, and the first steel spring and the second steel spring are symmetrically arranged on two sides of the moving rod.
Furthermore, the top of the bearing plate is provided with a rubber buffer block.
Compared with the prior art, the combined type vibration damping device provided by the invention has the following beneficial effects:
the vertical damping device is arranged, vertical impact is absorbed by the steel wire rope damper and the elastic main body, the service life is long, the damage resistance is strong, the vertical damping device is suitable for various mechanical equipment, and the damping effect of the vertical damping device can be improved, so that the service life of the whole structure is prolonged;
the transverse damping device is arranged, the bearing plate is pressed to a certain degree and then is contacted with the moving rod, the moving rod and the bearing plate move downwards together, when the moving rod moves downwards, two connecting rods hinged to the moving rod move towards two sides, the connecting rods push corresponding cross rods to move horizontally, the cross rods extrude corresponding steel springs, the steel springs deform to consume vibration force, the damping effect of the transverse damping device is improved, and the service life of the whole structure is prolonged;
the vertical damping device and the transverse damping device act together to bear multidirectional large impact waves of large-tonnage equipment, so that the normal operation of the equipment is ensured.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the upper structure of the present invention.
FIG. 3 is a schematic view of the lower structure of the present invention.
FIG. 4 is a schematic view of a fixing base structure according to the present invention.
Fig. 5 is an exploded view of the limiting frame and the elastic body according to the present invention.
Fig. 6 is a schematic view of the structure of the limiting framework of the present invention.
FIG. 7 is a schematic view of the elastic body of the present invention.
The damping device comprises a fixed base 1, a limiting groove 11, a cavity 12, a rubber cushion block 13, a transverse damping device 2, a moving rod 21, a steel spring 22, a connecting rod 23, a cross rod 24, a sliding block 25, a vertical damping device 3, a steel wire rope damper 31, an elastic main body 32, a through hole 33, a clamping block 34, a bearing plate 4, a rubber buffer block 5, a limiting framework 6, a containing cavity 61, a groove 62, a limiting hole 63 and a sliding groove 64.
Detailed Description
The technical solution of the present invention is further illustrated by the accompanying drawings and examples.
With reference to fig. 1 to 7, the invention provides a combined vibration damper, which comprises a fixed base 1, wherein a limiting groove 11 is formed in the top of the fixed base 1, a vertical vibration damper 3 is arranged in the limiting groove 11, a bearing plate 4 is arranged on the top of the vertical vibration damper 3, a cavity 12 is formed in the fixed base 1, a transverse vibration damper 2 is arranged in the cavity 12, and a rubber buffer block 5 is arranged on the top of the bearing plate 4, so that the vibration damper is favorably buffered between mechanical equipment and the vibration damper.
Vertical damping device 3 includes wire rope bumper shock absorber 31 and elastic body 32, wire rope bumper shock absorber 31 top and loading board 4 fixed connection, wire rope bumper shock absorber 31 bottom with elastic body 32 top is connected, elastic body 32 set up in inside spacing groove 11, elastic body 32 middle part sets up through-hole 33.
In this embodiment, elastic main body 32 adopts the high manganese-based damping alloy material that has similar damping coefficient with rubber, make vertical damping device 3's supporting rigidity increase by a wide margin, adopt wire rope bumper shock absorber 31 directly to undertake the impact of vertical direction, even the vertical stroke of wire rope bumper shock absorber 31 is direct to end, vertical damping device 3 also can not scrap, elastic main body 32 of below will support with wire rope bumper shock absorber 31 jointly, guarantee the normal operating of equipment, even after the temporary failure of wire rope bumper shock absorber 31, can resume the use after correcting, long service life has, advantages such as strong damage resistance.
Horizontal damping device 2 includes carriage release lever 21 and steel spring 22, the carriage release lever 21 top is run through-hole 33, the carriage release lever 21 bottom extends into in the cavity 12, the articulated connecting rod 23 in carriage release lever 21 bottom, steel spring 22 one end is fixed set up in on the inner wall of cavity 12, other end fixed connection horizontal pole 24, horizontal pole 24 with connecting rod 23 fixed connection. The steel spring 22 includes a first steel spring and a second steel spring, which are symmetrically disposed at both sides of the moving bar 21.
Preferably, set up spacing skeleton 6 in the spacing groove 11, spacing skeleton 6 top sets up and holds chamber 61, elastic body 32 joint set up in hold in the chamber 61. The bottom of the accommodating cavity 61 is provided with a groove 62, the bottom of the elastic main body 32 is provided with a fixture block 34, and the fixture block 34 is clamped in the groove 62.
Preferably, the bottom of the limiting framework 6 is provided with a limiting hole 63, a sliding groove 64 is formed in the side wall of the limiting hole 63, the moving rod 21 is provided with a sliding block 25, and the sliding block 25 is in sliding connection with the sliding groove 64.
Preferably, a rubber cushion block 13 is arranged between the limiting framework 6 and the side wall of the limiting groove 11.
The working principle is as follows: when mechanical equipment vibrates at any point on the bearing plate 4, the bearing plate 4 moves downwards, the steel wire rope shock absorber 31 directly bears impact in the vertical direction, after the steel wire rope shock absorber 31 is pressed to a certain degree, the bearing plate 4 is in contact with the moving rod 21, then the moving rod 21 and the bearing plate 4 move downwards together, the moving rod 21 moves downwards, two connecting rods 23 hinged to the bottom of the moving rod 21 are driven to move towards two sides, the connecting rods 23 push corresponding cross rods 24 to move horizontally, the cross rods 24 extrude corresponding steel springs 22, the steel springs 22 deform to consume vibration and impact, under the combined action of the steel wire rope shock absorber 31 and the steel springs 22, the shock absorption device bears shock waves from the vertical direction and the horizontal direction, and the shock absorption effect of the shock absorption device is greatly improved; under the very big impact condition that receives vertical direction, even the vertical stroke of wire rope bumper shock absorber 31 is direct to end, vertical damping device 3 also can not be scrapped, and the elastic main part 32 of below will support jointly with wire rope bumper shock absorber 31, finally guarantees the normal operating of equipment.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above embodiment according to the technical spirit of the present invention are within the technical scope of the present invention.

Claims (7)

1. A combined type vibration damper is characterized by comprising a fixed base, wherein a limiting groove is arranged at the top of the fixed base, a vertical vibration damper is arranged in the limiting groove, a bearing plate is arranged at the top of the vertical vibration damper, a cavity is arranged in the fixed base, a transverse vibration damper is arranged in the cavity,
the vertical shock absorption device comprises a steel wire rope shock absorber and an elastic main body, the top of the steel wire rope shock absorber is fixedly connected with the bearing plate, the bottom of the steel wire rope shock absorber is connected with the top of the elastic main body, the elastic main body is arranged in the limiting groove, a through hole is arranged in the middle of the elastic main body,
the elastic main body is made of high manganese-based damping alloy material with damping coefficient similar to that of rubber,
the transverse damping device comprises a moving rod and a steel spring, the top end of the moving rod penetrates through the through hole, a gap is reserved between the top end of the moving rod and the bearing plate, the bottom end of the moving rod extends into the cavity, the bottom end of the moving rod is hinged to the connecting rod, one end of the steel spring is fixedly arranged on the inner wall of the cavity, the other end of the steel spring is fixedly connected with a transverse rod, and the transverse rod is fixedly connected with the connecting rod.
2. The combined vibration damper according to claim 1, wherein a limiting framework is arranged in the limiting groove, an accommodating cavity is arranged at the top of the limiting framework, and the elastic body is clamped and arranged in the accommodating cavity.
3. The combined vibration damper according to claim 2, wherein a groove is formed in the bottom of the accommodating cavity, and a clamping block is arranged at the bottom of the elastic body and clamped in the groove.
4. The combined vibration damper according to claim 2, wherein a limiting hole is formed in the bottom of the limiting frame, a sliding groove is formed in a side wall of the limiting hole, and a sliding block is arranged on the moving rod and is slidably connected with the sliding groove.
5. A combined vibration damping device according to claim 2 in which rubber spacers are provided between the retaining ribs and the side walls of the retaining grooves.
6. The combined vibration damping device according to claim 1 wherein said steel springs comprise a first steel spring and a second steel spring, said first and second steel springs being symmetrically disposed on opposite sides of said travel bar.
7. A combined vibration damping device according to claim 1 in which a rubber bumper is provided on top of the carrier plate.
CN202111063622.5A 2021-09-10 2021-09-10 Combined vibration damper Active CN113757302B (en)

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Application Number Priority Date Filing Date Title
CN202111063622.5A CN113757302B (en) 2021-09-10 2021-09-10 Combined vibration damper

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111063622.5A CN113757302B (en) 2021-09-10 2021-09-10 Combined vibration damper

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Publication Number Publication Date
CN113757302A CN113757302A (en) 2021-12-07
CN113757302B true CN113757302B (en) 2022-11-25

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2340810C1 (en) * 2007-10-25 2008-12-10 Виктор Васильевич Рыжов Cable damping device
CN102410329A (en) * 2011-09-10 2012-04-11 中国兵器工业第二〇六研究所 Compound vibration-isolating and buffering device
CN108561472A (en) * 2018-04-18 2018-09-21 响水县名祥服饰有限公司 A kind of textile machines damping device
CN208431520U (en) * 2018-05-02 2019-01-25 赵鹏 A kind of mining machine damping base
CN208734781U (en) * 2018-08-10 2019-04-12 吴江市金诺通风减震设备厂 A kind of combined type spring damper
CN109687836A (en) * 2018-11-21 2019-04-26 中国电子科技集团公司第三十八研究所 A kind of miniaturization antivibration a reference source
RU2735144C1 (en) * 2019-09-19 2020-10-28 федеральное государственное бюджетное образовательное учреждение высшего образования "Санкт-Петербургский государственный морской технический университет" (СПбГМТУ) Spring-rope vibration isolator
CN212055663U (en) * 2020-04-22 2020-12-01 江苏东帝电气有限公司 Antidetonation support base
CN213795515U (en) * 2020-11-23 2021-07-27 广元博锐精工科技有限公司 Anti-seismic machine tool

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2340810C1 (en) * 2007-10-25 2008-12-10 Виктор Васильевич Рыжов Cable damping device
CN102410329A (en) * 2011-09-10 2012-04-11 中国兵器工业第二〇六研究所 Compound vibration-isolating and buffering device
CN108561472A (en) * 2018-04-18 2018-09-21 响水县名祥服饰有限公司 A kind of textile machines damping device
CN208431520U (en) * 2018-05-02 2019-01-25 赵鹏 A kind of mining machine damping base
CN208734781U (en) * 2018-08-10 2019-04-12 吴江市金诺通风减震设备厂 A kind of combined type spring damper
CN109687836A (en) * 2018-11-21 2019-04-26 中国电子科技集团公司第三十八研究所 A kind of miniaturization antivibration a reference source
RU2735144C1 (en) * 2019-09-19 2020-10-28 федеральное государственное бюджетное образовательное учреждение высшего образования "Санкт-Петербургский государственный морской технический университет" (СПбГМТУ) Spring-rope vibration isolator
CN212055663U (en) * 2020-04-22 2020-12-01 江苏东帝电气有限公司 Antidetonation support base
CN213795515U (en) * 2020-11-23 2021-07-27 广元博锐精工科技有限公司 Anti-seismic machine tool

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