CN103967934A - Vibration isolating bearing - Google Patents
Vibration isolating bearing Download PDFInfo
- Publication number
- CN103967934A CN103967934A CN201410209384.8A CN201410209384A CN103967934A CN 103967934 A CN103967934 A CN 103967934A CN 201410209384 A CN201410209384 A CN 201410209384A CN 103967934 A CN103967934 A CN 103967934A
- Authority
- CN
- China
- Prior art keywords
- groove
- vibration isolation
- bearing
- bolt
- oil
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Abstract
The invention provides a vibration isolating bearing and belongs to the field of mechanical technology. The vibration isolating bearing solves the technical problems that in the prior art, a bearing does not have an ideal vibration isolating effect, is short in service life, is not environmentally friendly and the like. The vibration isolating bearing comprises a cylindrical bearing bush, wherein a plurality of grooves which are uniformly distributed in the circumferential direction are formed in the outer side of the bearing bush, each groove is internally provided with a vibration isolating assembly, and the outer end of each vibration isolating assembly extends out of the corresponding groove. The vibration isolating bearing provided by the invention has the advantages of good vibration isolating effect, long service life, energy conservation, environmental friendliness and the like and can support long time service.
Description
Technical field
The invention belongs to field of mechanical technique, relate to bearing means, especially relate to a kind of vibration isolation bearing.
Background technique
Bearing is in mechanical transmission course, to work the parts of fixing and reducing load friction factor, in the time that other parts produce relative movement each other on axle, bearing can supported mechanical solid of rotation, and friction factor and the retainer shaft central position that can reduce in power transmission process are fixed.Because tend to produce vibration between mechanical solid of rotation and bearing, easily damage machinery and bearing, working life is short, in prior art, eliminate vibration by add isolation mounting on bearing, the isolation mounting here refers to connection device and basic elastic element, can reduce and eliminate by equipment to be delivered to basic vibration force and to be delivered to the vibration of equipment by basis.It can change the rigid joint of vibration source and ground into resilient connection, utilizes elastic support that one system is reduced extrinsic motivated is played to the ability of response, the transmission of isolated or damping vibration energy.Prior art middle (center) bearing adopts pad to carry out vibration isolation mostly, but pad vibration isolating effect is poor, and bearing capacity is low, easily occurs deterioration phenomenon, and working life is short.In addition,, when bearing working, between bearing shell and rotating shaft, require to have the oil film lubricate that one deck is very thin, if insufficient lubrication, between bearing shell and rotating shaft, just have directly friction, friction can produce very high temperature, and bearing shell also may be because the factors such as load is excessive, excess Temperature cause tile kilning.In prior art, be generally directly on bearing shell, to open oil hole, lubricant oil enters between bearing shell and rotating shaft by oil hole, if seem comparatively inconvenient with isolation mounting oiling on bearing.
For prior art is improved, people have carried out long-term exploration, have proposed various solutions.For example, Chinese patent literature discloses a kind of hydraulic damping bearing [application number: CN200810135908.8], comprise that one for connecting the inner ring of the first member, have one coaxially arranged with inner ring, for connecting the outer ring of second component, there is radial arrangement between inner ring and outer ring, the annular support coaxial with it, there is radial arrangement between inner ring and outer ring, the cyclic spring shock reducing structure coaxial with it, wherein inner ring and outer ring support each other diametrically by support and the shock reducing structure coaxial with it, wherein, between inner ring and outer ring, there are two chambeies being axially separated from each other, wherein support comprises at least one passage, this passage is by two chamber hydraulic connectings each other, described at least one channel axis is to passing support, and its axial end is vertically to each chamber opening.
Although such scheme has solved the deficiencies in the prior art to a certain extent, but complicated integral structure, cyclic spring shock reducing structure easily produces torque force in vibration isolation process, thus infringement shock reducing structure itself, in addition, cyclic spring shock reducing structure vibration isolating effect is poor, bearing capacity is low, and working life is short, easily occurs deterioration phenomenon, in addition do not solve, the problem of oiling inconvenience.
Summary of the invention
The object of the invention is for the problems referred to above, a kind of vibration isolation bearing is provided; Solve the existing vibration isolating effect of prior art undesirable, the technical problem of the fragile grade of isolation mounting.
For achieving the above object, the present invention has adopted following technical proposal: the present invention includes tubular bearing shell, described bearing shell outside is provided with some at the equally distributed groove of circumferencial direction, is respectively equipped with a vibration isolation assembly in each groove, and the outer end of described vibration isolation assembly exceeds outside groove.
In above-mentioned vibration isolation bearing, described vibration isolation assembly comprises the vibration isolation lid being arranged in groove, have vibration-absorption structure at vibration isolation lid, below vibration-absorption structure, be provided with positioning plate, at least one first screw bolt passes vibration isolation lid and vibration-absorption structure, the lower end of the first described bolt is fixed on positioning plate and the first bolt and vibration isolation lid and vibration-absorption structure Spielpassung respectively, described vibration isolation lid end is also equipped with at least one the second bolt, described second is bolted to bottom land and the second bolt and the vibration isolation lid Spielpassung of groove, between described vibration isolation lid lower end and groove bottom land, be provided with gap.
In above-mentioned vibration isolation bearing, described vibration isolation lid bottom is provided with containing groove, and described vibration-absorption structure is arranged in containing groove, and described positioning plate is arranged on the notch place of containing groove, the first described bolt is through containing groove, and the second described bolt is positioned at the outside of containing groove.
In above-mentioned vibration isolation bearing, described vibration-absorption structure comprises the vibration isolation plate of some stacked settings, and described vibration isolation plate is made up of rigid material.
In above-mentioned vibration isolation bearing, the top that the top of described vibration isolation lid is exposed to groove and vibration isolation lid has the attachment face that is circular arc; The bolt head countersunk head of the first bolt upper end is in vibration isolation lid, and the bolt head countersunk head of the second bolt upper end is in vibration isolation lid.
In above-mentioned vibration isolation bearing, the bottom land of described groove is provided with rigid gasket, and described positioning plate is pressed on rigid gasket, and the second described bolt lower end is passed rigid gasket and is fixed on bottom land and the second bolt and the rigid gasket Spielpassung of groove.
In above-mentioned vibration isolation bearing, on described bearing shell, be also provided with lubricating structure, described lubricating structure is arranged on bearing shell top.
In above-mentioned vibration isolation bearing, described lubricating structure comprises the arc oil groove that is arranged on bearing shell upper inside wall, this arc oil groove is axially placed in the middle setting of bearing shell, the two ends of described arc oil groove are respectively equipped with and are positioned at bearing shell upper inside wall and symmetrically arranged oil film formation groove, described oil film forms groove and is watt type and extending axially along bearing shell, form groove bottom at each oil film and be respectively equipped with the oil storage sewage groove that the degree of depth is greater than oil film formation groove top, described arc oil groove middle part is provided with the oil hole that is positioned at bearing shell top and connects the inside and outside side of bearing shell, form the oil outlet that is respectively equipped with at least one on groove and extends to bearing shell end face at each oil film.
In above-mentioned vibration isolation bearing, described bearing shell top outer is provided with the groove described in, and the upper end of described oil hole is positioned at the bottom land of this groove, and the cross section of described oil storage sewage groove is circular arc.
In above-mentioned vibration isolation bearing, be provided with on the vibration isolation assembly in the groove of oil hole and have the oil inlet hole that runs through this vibration isolation assembly, described oil inlet hole and oil hole connect.
Compared with prior art, the invention has the advantages that: 1, because the outer end of vibration isolation assembly exceeds outside groove, when therefore whole vibration isolation bearing is installed on bearing support, be point-like contact, and unconventional contact is conducive to improve effectiveness in vibration suppression.2, carry out absorbing vibrational energy by the deformation of vibration isolation assembly, vibration isolating effect is good, and bearing capacity is high.3, vibration isolation and oil-feed are integrated, facilitate oil-feed, in addition, the absorbing sheet endurance that rigid material is made, be difficult for aging, long service life, high-low temperature resistant, adapts to rugged environment work, suitable application area is wide.
Brief description of the drawings
Fig. 1 is sectional structure schematic diagram provided by the invention.
Fig. 2 is A-A sectional view along the line in Fig. 1.
Fig. 3 is side-looking structural representation provided by the invention.
Fig. 4 is vibration isolation assembly enlarged view provided by the invention.
In figure, bearing shell 1, groove 2, vibration isolation assembly 3, vibration isolation lid 4, vibration-absorption structure 5, positioning plate 6, the first bolt 7, the second bolt 8, gap 9, containing groove 10, vibration isolation plate 11, attachment face 12, rigid gasket 13, lubricating structure 14, arc oil groove 15, oil film form groove 16, oil storage sewage groove 17, oil outlet 18, oil hole 19, oil inlet hole 20.
Embodiment
As Figure 1-4, this vibration isolation bearing comprises tubular bearing shell 1, and bearing shell 1 outside is provided with some at the equally distributed groove 2 of circumferencial direction, is respectively equipped with a vibration isolation assembly 3 in each groove 2, and the outer end of vibration isolation assembly 3 exceeds outside groove 2.Because the outer end of vibration isolation assembly 3 exceeds outside groove, when therefore whole vibration isolation bearing is installed on bearing support, be point-like contact, and unconventional contact is conducive to improve effectiveness in vibration suppression.
More particularly, vibration isolation assembly 3 comprises the vibration isolation lid 4 being arranged in groove 2, have vibration-absorption structure 5 at vibration isolation lid 4, below vibration-absorption structure 5, be provided with positioning plate 6, at least one the first bolt 7 is successively through vibration isolation lid 4 and vibration-absorption structure 5, the lower end of the first described bolt 7 is fixed on positioning plate 6 and the first bolt 7 and vibration isolation lid 4 and vibration-absorption structure 5 Spielpassung respectively, described vibration isolation lid 4 ends are also equipped with at least one the second bolt 8, the second described bolt 8 is fixed on bottom land and second bolt 8 and vibration isolation lid 4 Spielpassung of groove 2, between described vibration isolation lid 4 lower ends and groove 2 bottom lands, be provided with gap 9.
Vibration isolation lid 4 bottoms are provided with containing groove 10, and described vibration-absorption structure 5 is arranged in containing groove 10, and described positioning plate 6 is arranged on the notch place of containing groove 10, and the first described bolt 7 is through containing groove 10, and the second described bolt 8 is positioned at the outside of containing groove 10.Vibration-absorption structure 5 comprises the vibration isolation plate 11 of some stacked settings, and described vibration isolation plate 11 is made up of rigid material.The top that the top of vibration isolation lid 4 is exposed to groove 2 and vibration isolation lid 4 has the attachment face 12 that is circular arc; The bolt head countersunk head of the first bolt 7 upper ends is in the bolt head countersunk head of vibration isolation lid 4, the second bolt 8 upper ends in vibration isolation lid 4.This structure is conducive to vibration isolation lid 4 coincide with the attachment face of bearing mounting base, improves working stability.The bottom land of groove 2 is provided with rigid gasket 13, and positioning plate 6 is pressed on rigid gasket 13, and the second described bolt 8 lower ends are passed rigid gasket 13 and are fixed on bottom land and second bolt 8 and rigid gasket 13 Spielpassung of groove 2.
On bearing shell 1, be also provided with lubricating structure 14, described lubricating structure 14 is arranged on bearing shell 1 top.Specifically, lubricating structure 14 comprises the arc oil groove 15 that is arranged on bearing shell 1 upper inside wall, this arc oil groove 15 is axially placed in the middle setting of bearing shell 1, the two ends of described arc oil groove 15 are respectively equipped with and are positioned at bearing shell 1 upper inside wall and symmetrically arranged oil film formation groove 16, described oil film forms groove 16 and is watt type and extending axially along bearing shell 1, form groove 16 bottoms at each oil film and be respectively equipped with the oil storage sewage groove 17 that the degree of depth is greater than oil film formation groove 16 tops, described arc oil groove 15 middle parts are provided with the oil hole 19 that is positioned at bearing shell 1 top and connects bearing shell 1 outside, form the oil outlet 18 that is respectively equipped with at least one on groove 16 and extends to bearing shell 1 end face at each oil film.Bearing shell 1 top outer is provided with the groove 2 described in, and the upper end of described oil hole 19 is positioned at the bottom land of this groove 2, and the cross section of described oil storage sewage groove 17 is circular arc.Be provided with on the vibration isolation assembly 3 in the groove 2 of oil hole 19 and have the oil inlet hole 20 that runs through this vibration isolation assembly 3, described oil inlet hole 20 connects with oil hole 19.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendments or supplement or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Although more used bearing shell 1, groove 2, vibration isolation assembly 3, vibration isolation lid 4, vibration-absorption structure 5, positioning plate 6, the first bolt 7, the second bolt 8, gap 9, containing groove 10, vibration isolation plate 11, attachment face 12, rigid gasket 13, lubricating structure 14, arc oil groove 15, oil film to form the terms such as groove 16, oil storage sewage groove 17, oil outlet 18, oil hole 19, oil inlet hole 20 herein, do not got rid of the possibility that uses other term.Use these terms to be only used to describe more easily and explain essence of the present invention, they are construed to any additional restriction is all contrary with spirit of the present invention.
Claims (10)
1. a vibration isolation bearing, comprise tubular bearing shell (1), it is characterized in that, described bearing shell (1) outside is provided with some at the equally distributed groove of circumferencial direction (2), in each groove (2), be respectively equipped with a vibration isolation assembly (3), the outer end of described vibration isolation assembly (3) exceeds outside groove (2).
2. vibration isolation bearing according to claim 1, it is characterized in that, described vibration isolation assembly (3) comprises the vibration isolation lid (4) being arranged in groove (2), have vibration-absorption structure (5) at vibration isolation lid (4), be provided with positioning plate (6) in vibration-absorption structure (5) below, at least one the first bolt (7) is successively through vibration isolation lid (4) and vibration-absorption structure (5), the lower end of described the first bolt (7) is fixed on positioning plate (6) above and the first bolt (7) and vibration isolation lid (4) and vibration-absorption structure (5) Spielpassung respectively, described vibration isolation lid (4) end is also equipped with at least one the second bolt (8), described the second bolt (8) is fixed on bottom land and second bolt (8) and vibration isolation lid (4) Spielpassung of groove (2), between described vibration isolation lid (4) lower end and groove (2) bottom land, be provided with gap (9).
3. vibration isolation bearing according to claim 2, it is characterized in that, described vibration isolation lid (4) bottom is provided with containing groove (10), described vibration-absorption structure (5) is arranged in containing groove (10), described positioning plate (6) is arranged on the notch place of containing groove (10), described the first bolt (7) is through containing groove (10), and described the second bolt (8) is positioned at the outside of containing groove (10).
4. according to the vibration isolation bearing described in claim 2 or 3, it is characterized in that, described vibration-absorption structure (5) comprises the vibration isolation plate (11) of some stacked settings, and described vibration isolation plate (11) is made up of rigid material.
5. according to the vibration isolation bearing described in claim 2 or 3, it is characterized in that, the top that the top of described vibration isolation lid (4) is exposed to groove (2) and vibration isolation lid (4) has the attachment face (12) that is circular arc; The bolt head countersunk head of the first bolt (7) upper end is in vibration isolation lid (4), and the bolt head countersunk head of the second bolt (8) upper end is in vibration isolation lid (4).
6. according to the vibration isolation bearing described in claim 2 or 3, it is characterized in that, the bottom land of described groove (2) is provided with rigid gasket (13), it is upper that described positioning plate (6) is pressed on rigid gasket (13), and described the second bolt (8) lower end is passed rigid gasket (13) and is fixed on bottom land and second bolt (8) and rigid gasket (13) Spielpassung of groove (2).
7. according to the bearing vibration isolation assembly described in claim 1 or 2 or 3, it is characterized in that, on described bearing shell (1), be also provided with lubricating structure (14), described lubricating structure (14) is arranged on bearing shell (1) top.
8. vibration isolation bearing according to claim 7, it is characterized in that, described lubricating structure (14) comprises the arc oil groove (15) that is arranged on bearing shell (1) upper inside wall, this arc oil groove (15) is axially placed in the middle setting of bearing shell (1), the two ends of described arc oil groove (15) are respectively equipped with and are positioned at bearing shell (1) upper inside wall and symmetrically arranged oil film formation groove (16), described oil film forms groove (16) and is watt type and extending axially along bearing shell (1), form groove (16) bottom at each oil film and be respectively equipped with the oil storage sewage groove (17) that the degree of depth is greater than oil film formation groove (16) top, described arc oil groove (15) middle part is provided with the oil hole (19) that is positioned at bearing shell (1) top and connects bearing shell (1) outside, form the oil outlet (18) that is respectively equipped with at least one on groove (16) and extends to bearing shell (1) end face at each oil film.
9. vibration isolation bearing according to claim 8, it is characterized in that, described bearing shell (1) top outer is provided with the groove (2) described in, the upper end of described oil hole (19) is positioned at the bottom land of this groove (2), and the cross section of described oil storage sewage groove (17) is circular arc.
10. vibration isolation bearing according to claim 9, it is characterized in that, be provided with on the vibration isolation assembly (3) in the groove (2) of oil hole (19) and have the oil inlet hole (20) that runs through this vibration isolation assembly (3), described oil inlet hole (20) connects with oil hole (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410209384.8A CN103967934A (en) | 2014-05-17 | 2014-05-17 | Vibration isolating bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410209384.8A CN103967934A (en) | 2014-05-17 | 2014-05-17 | Vibration isolating bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103967934A true CN103967934A (en) | 2014-08-06 |
Family
ID=51237820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410209384.8A Withdrawn CN103967934A (en) | 2014-05-17 | 2014-05-17 | Vibration isolating bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103967934A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110462229A (en) * | 2017-03-24 | 2019-11-15 | 三菱重工业株式会社 | Bearing shell, tilting pad bearing and the rotating machinery of tilting pad bearing |
-
2014
- 2014-05-17 CN CN201410209384.8A patent/CN103967934A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110462229A (en) * | 2017-03-24 | 2019-11-15 | 三菱重工业株式会社 | Bearing shell, tilting pad bearing and the rotating machinery of tilting pad bearing |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205190527U (en) | Damping type water lubrication thrust bearing made of baked clay that can incline | |
| RU2014128501A (en) | SLIDING BEARING AND DEVICE CONTAINING A COMBINATION OF SLIDING AND BEARING PISTON BEARING COMBINATION | |
| CN102384184B (en) | Self-aligning hydraulic clutch release bearing | |
| CN102788113A (en) | Squeeze film damper for transmission shafting | |
| CN103953642A (en) | Sliding bearing device capable of isolating vibration | |
| CN201383727Y (en) | Oiliness sliding bearing system and applied motor thereof | |
| CN103967934A (en) | Vibration isolating bearing | |
| CN104315111A (en) | Gear transmission shaft device | |
| CN203906538U (en) | Sliding bearing device with vibration isolation function | |
| CN201991948U (en) | Needle roller bearing retainer | |
| CN203868125U (en) | Bimetallic balanced bearing | |
| CN102927196B (en) | Extrusion oil film damper running synchronously with propulsion shaft system | |
| CN203906556U (en) | Bearing vibration-isolation component capable of realizing oil injection | |
| CN201902463U (en) | Bearing pedestal assembly for ball high-speed main shaft | |
| CN201774348U (en) | Adjustable shaft seal structure of electric motor | |
| CN201915909U (en) | Screw oil pumping unit seal | |
| CN209621872U (en) | A kind of bearing holder device for eliminating bearing stress | |
| CN203880210U (en) | Lubrication protection structure for valve rod nut part of small-aperture valve | |
| CN208849597U (en) | A kind of electric machine vibration reducer | |
| CN202228361U (en) | Rolling rotor type compressor | |
| CN202550766U (en) | Forced lubricating device for motor bearing | |
| CN103982548A (en) | Bimetallic balance bearing | |
| CN207086951U (en) | A kind of top adjustment spacer | |
| CN202140499U (en) | Novel flywheel assembly | |
| CN201475160U (en) | Low-noise deep groove ball bearing with oil groove structural retainer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C04 | Withdrawal of patent application after publication (patent law 2001) | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20140806 |