CN203702960U - Bearing type rubber vibration isolator - Google Patents
Bearing type rubber vibration isolator Download PDFInfo
- Publication number
- CN203702960U CN203702960U CN201320797211.3U CN201320797211U CN203702960U CN 203702960 U CN203702960 U CN 203702960U CN 201320797211 U CN201320797211 U CN 201320797211U CN 203702960 U CN203702960 U CN 203702960U
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- block rubber
- rubber
- vibration isolator
- sleeve
- screw rod
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Abstract
The utility model belongs to vibration isolation buffering devices for equipment and discloses a bearing type rubber vibration isolator, which comprises a mounting screw, an upper gasket, an upper rubber block, a sleeve, a lower rubber block, a lower gasket, an inverted T-shaped base, and other components, wherein firstly the sleeve is sleeved with the upper rubber block and the lower rubber block; the mounting screw sequentially penetrates through the upper gasket, the sleeve, the lower gasket and the inverted T-shaped base from top to bottom; a round through hole is formed in the center of the inverted T-shaped base; an internal thread with a certain length matched with the thread section at the end part of the mounting screw is formed in the inverted T-shaped base from top to bottom, so as to finish packaging the vibration isolator. The rubber block structures in the bearing type rubber vibration isolator disclosed by the utility model have the characteristic of subsection stiffness, so that the vibration isolation can be achieved effectively, and the effects of buffering and overload resistance are achieved; meanwhile, when the upper rubber block and the lower rubber block are damaged to be ineffective, the sleeve in the middle and the screw can be well connected with the equipment, so that the effect of failure protection can be achieved.
Description
Technical field
The utility model belongs to a kind of equipment vibration isolation buffering device, and the vibration isolation that relates to the machinery equipments such as aircraft, naval vessel and vehicle is installed, and is specially adapted to exist the vibration isolation of equipment under the load environment such as impulsive load or larger overload to install.
Background technique
Rubber vibration isolator utilizes the superelasticity of rubber element and can produce the performance of moderate finite deformation, for vibration isolator provides stiffness characteristics; Utilize rubber material molecular chain and its expendable distortion dissipates vibration energy each other, for vibration isolator provides damping characteristic; Metallic member connects and structure support for vibration isolator provides upper and lower port.Existing rubber vibration isolator, in the time there is the load environment such as impulsive load or larger overload, vibration isolator cannot meet buffering and overload-resistant requirement.Install and need to take fail safe measure in the vibration isolation at the important airborne equipment such as motor, APU place, vibration isolator still can meet the safety connection of equipment after losing efficacy.
Model utility content
The utility model object: provide a kind of requirement that can meet fail safe, and block rubber structure wherein has segmentation stiffness characteristics, can effectively vibrate isolation, can also play the bearing type rubber vibration isolator of buffering and overload-resistant effect.
Technical solutions of the utility model: a kind of bearing type rubber vibration isolator, it is axially symmetric structure, comprise screw rod, Upper gasket, upper block rubber, lower block rubber, lower levelling plate, screw rod end thread section, ⊥ type base, sleeve are installed, the top of described ⊥ type base is provided with and the internal thread of screw rod being installed being matched, and screw rod is installed through sleeve; Upper gasket, lower levelling plate are annular gasket, and Upper gasket internal diameter matches with screw rod external diameter is installed, and lower levelling plate internal diameter matches with the ⊥ type boss of ⊥ type base; Described upper block rubber, lower block rubber are arranged between Upper gasket, lower levelling plate, and on it, the bottom round platform of block rubber packs in erection unit, and on round platform bottom surface and lower block rubber, interplanar leaves gap, between sleeve top and Upper gasket, leaves gap.
The side that upper block rubber, lower block rubber contact with Upper gasket, lower levelling plate is respectively arranged with upper block rubber groove and lower block rubber groove.
The external diameter of upper lower levelling plate is than the large 2mm of the external diameter of upper block rubber and lower block rubber.
The external diameter of sleeve is than the large 1mm of center-hole diameter of upper block rubber and lower block rubber.
Screw rod is installed and is exceeded 25～30mm than ⊥ type base, and be provided with thread section in installation screw rod end, for rubber vibration isolator is connected with basis.
On round platform bottom surface and lower block rubber, interplanar gap is 4mm.
The utility model beneficial effect:
1, the safety and reliability of installing due to aircraft vibration isolation is had relatively high expectations, and the vibration isolator that erection joint place adopts will have fail safety measure.This model utility vibration isolator is used the Structural Hardware support rubber pieces such as lower levelling plate, screw rod, sleeve and base, even after rubber is torn or is come off, Structural Hardware still can reliably connect, and to ensure the installation reliability of power plant, belongs to a kind of effectively safety measure;
2, described vibration isolator is made up of upper and lower block rubber, and the round platform of a high 16mm is arranged at upper block rubber bottom, makes block rubber structure have segmentation stiffness characteristics, both can effectively vibrate isolation, can also play buffering and overload-resistant effect.
3, on upper block rubber and lower block rubber against on lower levelling plate one end be respectively arranged with a groove, increased the free surface of rubber body and the ratio of compressing surface, thereby made vibration isolator there is better damping property.
Accompanying drawing explanation
Fig. 1 is the utility model bearing type rubber vibration isolator structural representation;
Fig. 2 is the utility model bearing type rubber vibration isolator sectional drawing;
Fig. 3 is the utility model bearing type rubber vibration isolator plan view.
Wherein, 1-installs screw rod, 2-Upper gasket, the upper block rubber of 3-, block rubber under 4-, 5-lower levelling plate, 6-screw rod 1 end thread section, 7-⊥ type base, block rubber groove under 8-, 9-sleeve, 10-erection unit, the upper block rubber round platform of 11-, the upper block rubber groove of 12-.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail, refers to Fig. 1 to Fig. 3.
The utility model bearing type rubber vibration isolator, for axially symmetric structure, comprise screw rod 1, Upper gasket 2, upper block rubber 3, lower block rubber 4, lower levelling plate 5, screw rod 1 end thread section 6, ⊥ type base 7, lower block rubber groove 8, sleeve 9, upper block rubber round platform 11 and upper block rubber groove 12 are installed.Described sleeve 9 overall length 78mm, it is the hole that 14mm, the degree of depth are 39mm that diameter has been opened in upper end, it is the hole that 15mm, the degree of depth are 39mm that diameter has been opened in lower end, is socketed in and installs on screw rod 1, and upper block rubber and lower block rubber are played to connection supporting effect.On described upper block rubber 3 and lower block rubber 4, be respectively arranged with a groove 8 and groove 12, increased the free surface of rubber body and the ratio of compressing surface, thereby made vibration isolator there is better damping property.The round platform 11 of one high 16mm is arranged at described upper block rubber 3 bottoms, for being connected with equipment 10.The diameter of described sleeve 9 is 18mm, than the large 1mm of center-hole diameter 17mm of upper block rubber and lower block rubber, and the pretension when installing.The tapped hole of diameter 12mm, a degree of depth 12mm has been opened on the top of described ⊥ type base 7, matches with installation screw rod 1 end thread section 6.Described Upper gasket 2, lower levelling plate 5 are annular gasket, Upper gasket internal diameter matches with installation screw rod 1 external diameter, lower levelling plate internal diameter matches with the ⊥ type boss of ⊥ type base 7, the external diameter of upper lower levelling plate is than the large 2mm of external diameter of upper block rubber 3 and lower block rubber 4, while preventing block rubber distortion, still keep in touch with pad rubber free surface.
After described vibration isolator has assembled, screw rod 1 is installed and is exceeded 25～30mm than ⊥ type base 7, and be provided with thread section 6 in installation screw rod 1 end, for rubber vibration isolator is connected with basis.
After described vibration isolator has assembled, upper block rubber 3, lower block rubber 4 are arranged between Upper gasket 2, lower levelling plate 5, and round platform 11 end faces mutually at a distance of 4mm, in the time that rubber is stressed, leave enough deformation spaces with lower block rubber 4 midplane one sides.
Described Upper gasket 2, sleeve 9, lower levelling plate 5 and ⊥ type base 7 are made by stainless steel 0Cr17Ni17Mo2, and polishing treatment is carried out on surface, to reach object corrosion-resistant and attractive in appearance.
The raw material of described upper block rubber 3 and lower block rubber 4 are made after by the multiple mixing ingredient of low-phenyl silicone rubber Material Addition, there is good heat resistance and damping capacity, this kind of melting silicone rubber material made 170 ℃ of sulfurations by specialized mould, and carry out post vulcanization, to improve the stability of rubber layer properties;
Described vibration isolator is made up of upper and lower block rubber, and the round platform of a high 16mm is arranged at upper block rubber bottom, makes block rubber structure have segmentation stiffness characteristics, both can effectively vibrate isolation, can also play buffering and overload-resistant effect.
On described upper block rubber and lower block rubber, be respectively arranged with a groove against upper lower levelling plate one end, increased the free surface of rubber body and the ratio of compressing surface, thereby made vibration isolator there is better damping property.
This model utility vibration isolator is used the Structural Hardware support rubber pieces such as lower levelling plate, bolt, sleeve and base; even after rubber is torn or is come off; Structural Hardware still can reliably connect, and to ensure the installation reliability of power plant, belongs to a kind of effectively safety measure.
Concrete installation steps are as follows:
1, rubber material molded vulcanization under certain process conditions is made respectively to block rubber and lower block rubber, the two is circular cylinder, and wherein going up block rubber bottom has the round platform of a high 16mm;
2, sleeve is opened downward compared with one end of macropore, opened compared with one end of aperture upwards, first upper block rubber is set on sleeve from top to bottom, the reeded one end of upper block rubber band upwards, downward with one end of round platform;
3, by downward the reeded one end of lower block rubber band, and by its being set on sleeve from bottom to top, adjust the position of sleeve, make the lower end of lower block rubber lower end and sleeve concordant, and make the upper end of lower block rubber and the round platform of upper block rubber bottom at a distance of 4mm, the external diameter of sleeve 9 is 18mm, than the large 1mm of center-hole diameter 17mm of upper block rubber and lower block rubber, for generation of pretightening force;
3, screw rod is installed from top to bottom successively through Upper gasket, sleeve, lower levelling plate and ⊥ type base, ⊥ type base center is provided with a manhole, and by lower and on have certain length internal thread, and screw rod end thread section be installed match;
4, assembled.
Claims (6)
1. a bearing type rubber vibration isolator, it is characterized in that, for axially symmetric structure, comprise screw rod (1), Upper gasket (2), upper block rubber (3), lower block rubber (4), lower levelling plate (5), installation screw rod (1) end thread section (6), ⊥ type base (7) and sleeve (9) are installed, the top of described ⊥ type base (7) is provided with and the internal thread of screw rod (1) being installed being matched, and screw rod is installed through sleeve; Upper gasket (2) and lower levelling plate (5) are annular gasket, and Upper gasket internal diameter matches with screw rod (1) external diameter is installed, and lower levelling plate internal diameter matches with the ⊥ type boss of ⊥ type base (7); Described upper block rubber (3), lower block rubber (4) are arranged between Upper gasket (2), lower levelling plate (5), the bottom round platform (11) of wherein going up block rubber (3) packs in erection unit, and the upper interplanar of round platform bottom surface and lower block rubber (4) leaves gap, between sleeve top and Upper gasket, leaves gap.
2. bearing type rubber vibration isolator according to claim 1, it is characterized in that, the side that upper block rubber (3), lower block rubber (4) contact with Upper gasket (2), lower levelling plate (5) is respectively arranged with upper block rubber groove (12) and lower block rubber groove (8).
3. bearing type rubber vibration isolator according to claim 2, is characterized in that, the external diameter of upper lower levelling plate is than the large 2mm of external diameter of upper block rubber (3) and lower block rubber (4).
4. bearing type rubber vibration isolator according to claim 3, is characterized in that, the external diameter of sleeve (9) is than the large 1mm of center-hole diameter of upper block rubber and lower block rubber.
5. bearing type rubber vibration isolator according to claim 4, is characterized in that, screw rod (1) is installed and is exceeded 25～30mm than ⊥ type base (7), and be provided with thread section (6) in installation screw rod (1) end, for rubber vibration isolator is connected with basis.
6. bearing type rubber vibration isolator according to claim 5, is characterized in that, the upper interplanar gap of round platform bottom surface and lower block rubber (4) is 4mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320797211.3U CN203702960U (en) | 2013-12-04 | 2013-12-04 | Bearing type rubber vibration isolator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320797211.3U CN203702960U (en) | 2013-12-04 | 2013-12-04 | Bearing type rubber vibration isolator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203702960U true CN203702960U (en) | 2014-07-09 |
Family
ID=51053407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320797211.3U Expired - Fee Related CN203702960U (en) | 2013-12-04 | 2013-12-04 | Bearing type rubber vibration isolator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203702960U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105370793A (en) * | 2015-12-08 | 2016-03-02 | 无锡亨宇减震器科技有限公司 | Adjustable rubber vibration isolating device |
| CN114771843A (en) * | 2022-06-16 | 2022-07-22 | 中国飞机强度研究所 | Seat vibration damping system in aviation aircraft manufacturing and vibration damping method thereof |
-
2013
- 2013-12-04 CN CN201320797211.3U patent/CN203702960U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105370793A (en) * | 2015-12-08 | 2016-03-02 | 无锡亨宇减震器科技有限公司 | Adjustable rubber vibration isolating device |
| CN114771843A (en) * | 2022-06-16 | 2022-07-22 | 中国飞机强度研究所 | Seat vibration damping system in aviation aircraft manufacturing and vibration damping method thereof |
| CN114771843B (en) * | 2022-06-16 | 2022-09-23 | 中国飞机强度研究所 | Seat vibration damping system in aviation aircraft manufacturing and vibration damping method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140709 Termination date: 20161204 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |