CN104675898A - Large-damping adjustable secondary vibration isolator - Google Patents
Large-damping adjustable secondary vibration isolator Download PDFInfo
- Publication number
- CN104675898A CN104675898A CN201410751902.9A CN201410751902A CN104675898A CN 104675898 A CN104675898 A CN 104675898A CN 201410751902 A CN201410751902 A CN 201410751902A CN 104675898 A CN104675898 A CN 104675898A
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- CN
- China
- Prior art keywords
- vibration isolation
- casing
- stage vibration
- isolation device
- damp adjustable
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F7/00—Vibration-dampers; Shock-absorbers
- F16F7/01—Vibration-dampers; Shock-absorbers using friction between loose particles, e.g. sand
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention relates to a large-damping adjustable secondary vibration isolator comprising an upper cover plate (1), upper elastic components (3) fastened to the upper portion of a box (4) through upper fastening bolts (2), a baseplate (10) and lower elastic components (9) fastened to the lower portion of the box (4) through lower fastening bolts (8). The box (4) is filled with a damping material (6), and an opening (5) used for filling of the damping material is further arranged in the box (4). The vibration isolator is arranged under an equipment foundation. The adjustable secondary vibration isolator can be used for primary vibration isolation as well as secondary vibration isolation. The vibration isolator is low in inherent frequency, adjustable in mass of the middle box and good in damping effect and is convenient to transport and install as being of an integral structure.
Description
Technical field
The present invention relates to a kind of large damp adjustable two-stage vibration isolation device, belong to noise and vibration control field in Environmental Engineering.
Technical background
In order to solve the noise and vibration that the equipment such as water pump heat pump produce, therefore devise various vibration isolator.But all there are some defects.The particularly vibration isolator of two-stage vibration isolation, its defect is: in the middle of (1), vibration isolation frame quality is unadjustable.(2) structural integrity is poor, and inconvenience is installed in transport.(3) two-stage vibration isolation system footprint area is large.(4) the low easy generation secondary vibration of vibrating isolation system damping.
The present invention is the design carried out according to two-stage vibration isolation principle on Combined vibration isolator (patent No. ZL2010.2.0140630.6) with combined type vibration isolator (patent No. ZL 2,013 2 0491115.6) basis, is used in particular for two-stage vibration isolation and uses.
Summary of the invention
For solving above-mentioned deficiency of the prior art, the open a kind of large damp adjustable two-stage vibration isolation device of the present invention, object is to provide that a kind of low frequency vibration isolation is effective and volume is little, vibration isolator easy for installation.
The present invention is realized by following technological means:
A kind of large damp adjustable two-stage vibration isolation device, it is characterized in that comprising upper cover plate, upper elastic member is fastened on casing top by top clamping bolt, base plate, lower elastic member are fastened on lower box by bottom clamping bolt; Described box house is filled with damping material, casing is also provided with the perforate for filling damping material.
Described upper cover plate periphery is provided with stiffening rib.
Described damping material is sand.
Described damping material can be calculated selected suitable quality according to actual requirement and two-stage vibration isolation principle and be filled by perforate scene.
Described clamping bolt one end, top is fixed by screw and casing, and the other end can slide in the unthreaded hole of upper cover plate.
Described bottom half is provided with angle bar, and angle bar side and wall box seam are fixed, and opposite side and bottom half horizontal position remain basically stable, and clamping bolt one end, bottom is fixed by screw and base plate, and the other end can slide in the unthreaded hole of angle bar.
Described casing relies on angle bar to be connected with other large damp adjustable two-stage vibration isolation device casing, forms larger vibrating isolation system
Advantage of the present invention and beneficial effect are: provide a kind of large damp adjustable two-stage vibration isolation device, this vibration isolator middle housing (referring to vibration isolation frame quality) is adjustable and low frequency vibration isolation is effective, volume is little, and natural frequency is low, integrity integrative-structure, and transport is with easy for installation.
Accompanying drawing explanation
Fig. 1 is the present invention's large damp adjustable two-stage vibration isolation device structural representation;
In figure: 1, upper cover plate, 2, upper bolt, 3, upper elastic member, 4, casing, 5, perforate, 6, damping material, 7, angle bar, 8, lower bolt, 9, lower elastic member, 10, base plate.
Embodiment
Embodiment 1
As shown in Figure 1, a kind of large damp adjustable two-stage vibration isolation device, comprise upper cover plate 1, upper elastic member 3 is fastened on casing 4 top by top clamping bolt 2, base plate 10, lower elastic member 9 are fastened on casing 4 bottom by bottom clamping bolt 8; Described casing 4 inside is filled with damping material 6, casing 4 is also provided with the perforate 5 for filling damping material.Upper cover plate 1 periphery is provided with stiffening rib.Damping material 6 is sand.Damping material can be selected suitable quality (calculating according to two-stage vibration isolation principle) according to actual requirement and be filled by perforate 5 scene.Top clamping bolt 2 one end is fixed by screw and casing 4, and the other end can slide in the unthreaded hole of upper cover plate 1.Be provided with angle bar 7 bottom casing 4, angle bar 7 side and the seam of casing 4 sidewall are fixed, and opposite side and bottom half horizontal position remain basically stable, and bottom clamping bolt 8 one end is fixed by screw and base plate 10, and the other end can slide in the unthreaded hole of angle bar 7.Casing 4 relies on angle bar 7 to connect with large damp adjustable two-stage vibration isolation device casing identical in addition, forms larger vibrating isolation system.
This vibration isolator is placed in below equipment Foundations.Described adjustable two-stage vibration isolation device both can be used for a vibration isolation (note, calculate vibration isolation frame quality, avoid system resonance by two-stage vibration isolation principle), can be again two-stage vibration isolation and used.This vibration isolator natural frequency is low, middle housing quality is adjustable, damping good, and vibration isolator is integrity structure, transport and easy for installation.
Wherein:
1. upper cover plate plays elastic elements and equipment effect;
2. upper bolt plays connection and compresses elastic element effect;
3. upper elastic member spring or Rubber shock-absorbing pad, plays vibration isolation effect;
4. casing is two-stage vibration isolation frame, elastic elements, rises and regulates vibration isolation frame mass action;
5. perforate plays and fills with into sand effect;
6. damping material can be sand, plays quality of regulation and damping function;
7. the vibration isolator that the fastening elastic element of angle bar is identical in addition with connection;
8. lower bolt compresses elastic element, plays connection function;
9. lower elastic member spring or Rubber shock-absorbing pad, plays vibration isolation effect;
10. base plate is laid elastic element and is installed vibration isolator.
Claims (7)
1. a large damp adjustable two-stage vibration isolation device, it is characterized in that comprising upper cover plate (1), upper elastic member (3) is fastened on casing (4) top by top clamping bolt (2), base plate (10), lower elastic member (9) are fastened on casing (4) bottom by bottom clamping bolt (8); Described casing (4) inside is filled with damping material (6), casing (4) is also provided with the perforate (5) for filling damping material.
2. large damp adjustable two-stage vibration isolation device according to claim 1, is characterized in that described upper cover plate (1) periphery is provided with stiffening rib.
3. large damp adjustable two-stage vibration isolation device according to claim 1, is characterized in that described damping material (6) is sand.
4. the large damp adjustable two-stage vibration isolation device according to claim 1 or 3, is characterized in that described damping material can be calculated selected suitable quality according to actual requirement and two-stage vibration isolation principle and be filled by perforate (5) scene.
5. large damp adjustable two-stage vibration isolation device according to claim 1, it is characterized in that described top clamping bolt (2) one end is fixed by screw and casing (4), the other end can slide in the unthreaded hole of upper cover plate (1).
6. large damp adjustable two-stage vibration isolation device according to claim 1, it is characterized in that described casing (4) bottom is provided with angle bar (7), angle bar (7) side and casing (4) sidewall seam are fixed, opposite side and bottom half horizontal position remain basically stable, bottom clamping bolt (8) one end is fixed by screw and base plate (10), and the other end can slide in the unthreaded hole of angle bar (7).
7. large damp adjustable two-stage vibration isolation device according to claim 6, is characterized in that: described casing (4) relies on angle bar (7) to connect with large damp adjustable two-stage vibration isolation device casing identical in addition, forms larger vibrating isolation system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410751902.9A CN104675898A (en) | 2014-12-10 | 2014-12-10 | Large-damping adjustable secondary vibration isolator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410751902.9A CN104675898A (en) | 2014-12-10 | 2014-12-10 | Large-damping adjustable secondary vibration isolator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104675898A true CN104675898A (en) | 2015-06-03 |
Family
ID=53311346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410751902.9A Pending CN104675898A (en) | 2014-12-10 | 2014-12-10 | Large-damping adjustable secondary vibration isolator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104675898A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106705273A (en) * | 2016-12-28 | 2017-05-24 | 珠海格力电器股份有限公司 | Pipeline vibration damping device and air conditioner |
| CN114962536A (en) * | 2022-05-11 | 2022-08-30 | 中国人民解放军海军工程大学 | Marine integrated vibration damping device with particle damper and control method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85104304A (en) * | 1985-06-05 | 1986-12-03 | 新西兰发展财务公司 | Friction energy absorption plant and energy-absorbing method |
| DE4230103A1 (en) * | 1991-12-11 | 1993-06-17 | Widmer Hans Peter | Building frame with vibration dampening - has rigidly connected individual ports with cavities filled with dampening material compacted by vibrations |
| JP2006162008A (en) * | 2004-12-09 | 2006-06-22 | Daiwarashi Co Ltd | Article supporting pad and article supporting device |
| CN102966697A (en) * | 2012-11-01 | 2013-03-13 | 佛山市百安居减震科技有限公司 | Combined vibration isolation mounting for subways |
| CN103047332A (en) * | 2012-12-31 | 2013-04-17 | 南京航空航天大学 | Vibration control device with vibration isolation and absorption functions |
| CN103291796A (en) * | 2013-06-05 | 2013-09-11 | 南京航空航天大学 | Particle damping vibration absorbing device |
-
2014
- 2014-12-10 CN CN201410751902.9A patent/CN104675898A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85104304A (en) * | 1985-06-05 | 1986-12-03 | 新西兰发展财务公司 | Friction energy absorption plant and energy-absorbing method |
| DE4230103A1 (en) * | 1991-12-11 | 1993-06-17 | Widmer Hans Peter | Building frame with vibration dampening - has rigidly connected individual ports with cavities filled with dampening material compacted by vibrations |
| JP2006162008A (en) * | 2004-12-09 | 2006-06-22 | Daiwarashi Co Ltd | Article supporting pad and article supporting device |
| CN102966697A (en) * | 2012-11-01 | 2013-03-13 | 佛山市百安居减震科技有限公司 | Combined vibration isolation mounting for subways |
| CN103047332A (en) * | 2012-12-31 | 2013-04-17 | 南京航空航天大学 | Vibration control device with vibration isolation and absorption functions |
| CN103291796A (en) * | 2013-06-05 | 2013-09-11 | 南京航空航天大学 | Particle damping vibration absorbing device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106705273A (en) * | 2016-12-28 | 2017-05-24 | 珠海格力电器股份有限公司 | Pipeline vibration damping device and air conditioner |
| CN114962536A (en) * | 2022-05-11 | 2022-08-30 | 中国人民解放军海军工程大学 | Marine integrated vibration damping device with particle damper and control method thereof |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150603 |
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| RJ01 | Rejection of invention patent application after publication |