CN207892992U - A kind of eccentric circular ring ramp type hydrostatic thrust bearing lubricating pad - Google Patents
A kind of eccentric circular ring ramp type hydrostatic thrust bearing lubricating pad Download PDFInfo
- Publication number
- CN207892992U CN207892992U CN201721559027.XU CN201721559027U CN207892992U CN 207892992 U CN207892992 U CN 207892992U CN 201721559027 U CN201721559027 U CN 201721559027U CN 207892992 U CN207892992 U CN 207892992U
- Authority
- CN
- China
- Prior art keywords
- lubricating pad
- fan
- circular ring
- eccentric circular
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a kind of eccentric circular ring ramp type hydrostatic thrust bearing lubricating pads, it is therefore an objective to solve the problem of that existing fan-shaped lubricating pad bearing capacity is low and lubrication failure easily occurs.Since existing fan-shaped lubricating pad is all made of the form of static pressure support, support its bearing capacity relatively low compared to dynamic pressure, but since hydrodynamic bearing is limited by rotating speed so that it cannot meet the requirement of lathe when stopping, starting.Therefore the utility model proposes fan-shaped lubricating pad is designed to ramp type, dynamic pressure is formed using its wedge shape between rotary table, and then on the basis of static pressure, bearing is made to generate dynamic pressure to compensate the hydrostatic pressures losses of lubricating oil.Lubricating pad main body is a segment in the utility model, and inside is a fan-shaped chamber, and fan-shaped chamber is gradually successively decreased along side in the circumferential deeply, and fan-shaped chamber bottom surface is a horizontal plane, is a ramp type eccentric circular ring on the outside of fan-shaped chamber, fuel feed hole is machined in fan-shaped chamber.The utility model is for heavy carrying platen.
Description
Technical field
The utility model is related to a kind of eccentric circular ring ramp type hydrostatic thrust bearing lubricating pads, belong to heavy machine tool technical field.
Background technology
Hydrostatic thrust bearing is the critical component greatly, in heavy-duty machinery field such as aerospace, military project, ship, because of its tool
There is the features such as large carrying capacity, stable and reliable operation and be widely used, but the quality of its own greasy property directly affects
Entire mechanized equipment reliability of operation.Improve the rotation speed of equipment the today especially quickly grown in high speed machining
Degree and machining accuracy become current urgent problem to be solved, are just included among these under high speed, heavily loaded extreme operating condition, gap lubrication
Oil film temperature rises sharply, viscosity rapid drawdown, oil film is drastically thinning until two frictions are secondary to form dry friction, so as to cause lubrication failure
Phenomenon.
Invention content
The utility model devises a kind of eccentric circular ring ramp type hydrostatic thrust bearing oil to solve above-mentioned critical issue
Pad is proposed fan-shaped lubricating pad being designed to ramp type, using the hydrostatic pressures losses for the dynamic pressure compensation lubricating oil that its wedge shape is formed, be solved big
Scale sector lubricating pad carries the small disadvantage of range.
Used technical solution is the utility model in order to solve the above technical problems：A kind of eccentric circular ring ramp type static pressure pushes away
Power bearing lubricating pad includes lubricating pad main body, and lubricating pad main body is a fan-shaped mechanism, and a fan-shaped oil pocket, institute are machined in the lubricating pad main body
It states and is machined with fuel feed hole on fan-shaped oil pocket, fuel feed hole setting is in fan-shaped oil pocket centre position, and the sector oil pocket depth is along oil pocket
Bottom circumferential direction is gradually successively decreased, and fan-shaped oil pocket bottom surface is a horizontal plane, and the sector oil pocket is provided with oil pocket side wall inside,
Oil pocket side-wall outer side is provided with eccentric circular ring sealing oil edge, and the eccentric circular ring sealing oil edge area accounts for the one third of lubricating pad main body area,
The eccentric circular ring sealing oil edge is tilted a certain angle in lubricating pad circumferential direction, and rotary table moves tangential direction and tilted always with inclined-plane
Direction is on the contrary, surrounding is machined with oil-recovery tank on the outside of the eccentric circular ring sealing oil edge.
Advantageous effect：
The processing and manufacturing of the utility model lubricating pad is simple and convenient, and the area for increasing its oil pocket compared to existing fan-shaped lubricating pad has
Effect increases its bearing capacity, and the oil-recovery tank of surrounding setting is effectively increased the heat dissipation ratio of deep fat, makes lubricating oil in oil pocket
Wen Sheng becomes smaller；Lubricating pad sealing oil edge has certain angle of inclination in lubricating pad circumferential direction, and inclined direction always with rotary work
Platform speed tangential direction just meets shape in this way on the contrary, to make to generate wedge gap between platen and inclined-plane lubricating pad
At the condition of dynamic pressure, dynamic pressure is generated by hydrostatic bearing, achievees the effect that dynamic and static pressure combines, improve the running accuracy of bearing and is added
A precision, the dynamic and static pressure loading capacity of oil film that this verified novel inclined-surface formula lubricating pad generates are increased to 20% to 150%, effectively solve
Friction failure and the problem of Lack of support during static pressure support.
Description of the drawings：
The utility model is further illustrated with reference to the accompanying drawings and examples.
Attached drawing 1：A kind of eccentric circular ring ramp type hydrostatic thrust bearing lubricating pad 3 dimensional drawing
Attached drawing 2：A kind of eccentric circular ring inclined-plane lubricating pad vertical view of embodiment
Attached drawing 3：Eccentric circular ring inclined-plane lubricating pad arranges schematic diagram along turret base in embodiment
Specific implementation mode：
It is specific embodiment, the utility model further elucidated above below.
As shown in Figure 1, a kind of eccentric circular ring ramp type hydrostatic thrust bearing lubricating pad includes lubricating pad main body（1）, lubricating pad main body
（1）For a fan-shaped mechanism, the lubricating pad main body（1）On be machined with a fan-shaped oil pocket（1-1）, the sector oil pocket（1-1）Depth
Along oil pocket bottom, circumferential direction is gradually successively decreased, and the sector oil pocket bottom is a horizontal plane, fan-shaped oil pocket（1-1）It is arranged inside
There is oil pocket side wall（1-3）, oil pocket side wall（1-3）Outside is provided with eccentric circular ring sealing oil edge（1-5）, the eccentric circular ring sealing oil edge（1-
5）Area accounts for lubricating pad main body（1）The one third of area, the eccentric circular ring sealing oil edge（1-5）Certain angle is tilted in lubricating pad circumferential direction
Degree, rotary table move tangential direction always with inclined-plane inclined direction on the contrary, the eccentric circular ring sealing oil edge（1-5）Outside surrounding
It is machined with oil-recovery tank, described two fan-shaped oil pockets（1-1）On be machined with fuel feed hole（1-2）, the fuel feed hole（1-2）It is arranged in sector
Oil pocket（1-1）Centre position.
Operation principle：By the eccentric circular ring inclined-plane lubricating pad of 12 the utility model（1）It is evenly arranged in hydrostatic thrust bearing bottom
On seat, and eccentric circular ring sealing oil edge（1-5）One end is placed upward, and rotary table is then mounted on eccentric circular ring inclined-plane lubricating pad（1）
On, wherein eccentric circular ring inclined-plane lubricating pad（1）Radial direction towards lathe base axis of rotation, when oil pump hydraulic oil by into
Oilhole（1-2）Continuously it is input to oil pocket（1-1）After forming certain pressure, one layer is formed between rotary table and pedestal
Oil film makes platen and inclined-plane lubricating pad（1）Between be in fully liquid lubricating status；When platen high speed rotation
When, due to platen and inclined-plane lubricating pad（1）Between relative motion and lubricating pad sealing oil edge（1-5）In lubricating pad circumferential direction side
There is certain angle of inclination upwards, and inclined direction is always with rotary table speed tangential direction on the contrary, to make lathe worker
Make platform and multiple inclined-plane lubricating pads（1）Between generate wedge gap, just meet the condition to form dynamic pressure in this way, produced by hydrostatic bearing
Lively pressure achievees the effect that dynamic and static pressure combines.
The advantages of the utility model：A kind of oil pocket bottom level of the eccentric circular ring ramp type hydrostatic thrust bearing lubricating pad,
Lubricating pad sealing oil edge is whole oblique in the circumferential, this to take full advantage of liquid using the novel fan-shaped lubricating pad of bevel-faced form
The advantages of dynamic and static last item is held, while overcoming the deficiency of the two.So that continuing to keep its bearing capacity, experience after oil film fever
It demonstrate,proves the dynamic and static pressure loading capacity of oil film that this novel lubricating pad generates and is increased to 20% to 150%, during efficiently solving static pressure support
It rubs and fails and carry insufficient problem, ensure that effective operating when machine tooling, improve the running accuracy of bearing and add
A precision.
Claims (2)
1. a kind of eccentric circular ring ramp type hydrostatic thrust bearing lubricating pad, it is characterised in that：The eccentric circular ring ramp type static pressure thrust axis
It includes lubricating pad main body to hold lubricating pad（1）, lubricating pad main body（1）For a fan-shaped mechanism, the lubricating pad main body（1）On be machined with a fan-shaped oil
Chamber（1-1）, the sector oil pocket（1-1）Depth is gradually successively decreased along side in the circumferential, the sector oil pocket（1-1）It is set inside
It is equipped with oil pocket side wall（1-3）, oil pocket side wall（1-3）Outside is an eccentric circular ring sealing oil edge（1-5）, it is described sector oil pocket in be machined with
Fuel feed hole（1-2）, fuel feed hole（1-2）It is arranged in fan-shaped oil pocket（1-1）Centre position, eccentric circular ring sealing oil edge（1-5）Outside four
Week is machined with oil-recovery tank（1-4）.
2. a kind of eccentric circular ring ramp type hydrostatic thrust bearing lubricating pad according to claim 1, it is characterised in that：The sector
Ring sealing oil edge（1-5）Area accounts for lubricating pad main body（1）The one third of area, the eccentric circular ring sealing oil edge（1-5）In lubricating pad circumferential direction
On be tilted a certain angle, rotary table movement tangential direction is always with inclined-plane inclined direction on the contrary, the fan-shaped oil when work
Chamber（1-1）Bottom is a horizontal plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721559027.XU CN207892992U (en) | 2017-11-21 | 2017-11-21 | A kind of eccentric circular ring ramp type hydrostatic thrust bearing lubricating pad |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721559027.XU CN207892992U (en) | 2017-11-21 | 2017-11-21 | A kind of eccentric circular ring ramp type hydrostatic thrust bearing lubricating pad |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207892992U true CN207892992U (en) | 2018-09-21 |
Family
ID=63547750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721559027.XU Expired - Fee Related CN207892992U (en) | 2017-11-21 | 2017-11-21 | A kind of eccentric circular ring ramp type hydrostatic thrust bearing lubricating pad |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207892992U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109236859A (en) * | 2018-11-20 | 2019-01-18 | 哈尔滨理工大学 | A kind of hydrostatic thrust bearing device for reducing hot oil and carrying |
| CN109977573A (en) * | 2019-04-01 | 2019-07-05 | 哈尔滨理工大学 | A kind of double square chamber lubricating pad oil film pressure field reconstructing method |
-
2017
- 2017-11-21 CN CN201721559027.XU patent/CN207892992U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109236859A (en) * | 2018-11-20 | 2019-01-18 | 哈尔滨理工大学 | A kind of hydrostatic thrust bearing device for reducing hot oil and carrying |
| CN109977573A (en) * | 2019-04-01 | 2019-07-05 | 哈尔滨理工大学 | A kind of double square chamber lubricating pad oil film pressure field reconstructing method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207892992U (en) | A kind of eccentric circular ring ramp type hydrostatic thrust bearing lubricating pad | |
| US10274007B2 (en) | Hybrid dynamic pressure gas thrust bearing | |
| CN106594076A (en) | Dynamic and static pressure mixed fan-shaped oil pad | |
| JP7292813B2 (en) | sliding parts | |
| EP3299648B1 (en) | Groove-type dynamic pressure gas radial bearing | |
| CN108563907A (en) | A kind of ramp type double square chamber hydrostatic thrust bearing dynamic pressure effect computational methods | |
| TW201219149A (en) | Rotary hydrostatic bearing working table | |
| CN103028954B (en) | A kind of floating hydrostatic slideway of constant current constant voltage compound and control method thereof | |
| CN105485167B (en) | A kind of axial support pads of thrust bearing | |
| CN206495889U (en) | A kind of fan-shaped lubricating pad of Hydrodynamic-static Thrust Bearings in Water Turbo rectangle arc chamber | |
| CN207953363U (en) | A kind of hybrid double square lubricating pad | |
| CN106499723A (en) | Sliding bearing | |
| CN206361018U (en) | A kind of fan-shaped lubricating pad of dynamic and static back arc of circle chamber | |
| CN105351362A (en) | Hydrostatic pressure supporting device with rectangular cavity | |
| CN102806507B (en) | Method for grinding sealing ring | |
| CN105402411A (en) | Sealing ring and mechanical sealing device with same | |
| CN207421129U (en) | A kind of I-shaped cavity ramp type hydrostatic thrust bearing lubricating pad | |
| CN201575067U (en) | High-speed angular contact ball bearing of two-groove light retainer | |
| CN204921698U (en) | Full static pressure base bearing of liquid of ball mill | |
| CN109899380A (en) | The dynamic and hydrostatic bearing to be cooperated by single tilting pad and static-pressure oil chamber | |
| CN206495890U (en) | A kind of Hydrodynamic-static Thrust Bearings in Water Turbo rectangle arc chamber rectangle lubricating pad | |
| CN201863005U (en) | Large-scale precision differential dynamic and static pressure rotary table | |
| CN207864436U (en) | Ball bearing and its retainer | |
| CN210859560U (en) | Double-oil-surface floating bearing | |
| CN206943219U (en) | A kind of rectangular cavity static pressure round guide lubricating pad |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180921 Termination date: 20191121 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |