CN206361018U - A kind of fan-shaped lubricating pad of dynamic and static back arc of circle chamber - Google Patents
A kind of fan-shaped lubricating pad of dynamic and static back arc of circle chamber Download PDFInfo
- Publication number
- CN206361018U CN206361018U CN201621359596.5U CN201621359596U CN206361018U CN 206361018 U CN206361018 U CN 206361018U CN 201621359596 U CN201621359596 U CN 201621359596U CN 206361018 U CN206361018 U CN 206361018U
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- China
- Prior art keywords
- lubricating pad
- fan
- shaped
- dynamic
- oil
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- 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
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Abstract
A kind of fan-shaped lubricating pad of dynamic and static back arc of circle chamber.The utility model is related to a kind of Hydrodynamic-static Thrust Bearings in Water Turbo, it is therefore an objective to which it is small to solve the fan-shaped lubricating pad bearing capacity of existing hydrostatic support, numerical control machine tool than it is larger the problems such as.Although hydrodynamic bearing bearing capacity is high, hydrodynamic bearing is that will not form dynamic pressure support at low speeds, therefore proposes a kind of fan-shaped lubricating pad of dynamic and static back arc of circle chamber.Lubricating pad main body is a sector structure, is a circular shape in terms of the oil pocket vertical direction of lubricating pad, and vertical view is that a circle is located at lubricating pad geometric center position, and a fuel feed hole is machined with arc oil pocket, an oil-recovery tank is each processed in the both sides of the fan-shaped main body of lubricating pad.The utility model is used for large scale and carries platen.
Description
Technical field:
The utility model is related to a kind of lubricating pad of Hydrodynamic-static Thrust Bearings in Water Turbo.
Background technology:
Science and technology is the primary productive force, and the requirement more and more higher to heavy machining tool is continued to develop with science and technology.It is quiet
Press thrust bearing as supporting, transmission critical component, with that can avoid occurring creeping phenomenon under low speed processing conditions, work the longevity
The advantages of ordering long.And hydrodynamic bearing start or stop, low-speed heave-load with etc. under the conditions of all it cannot be guaranteed that formed hydrodynamic lubrication.
Then a kind of new dynamic and static back oil pad structure is devised, hydrodynamic bearing and hydrostatic bearing each advantage is contained, from low turn
Speed can keep good oil film rigidity and good load-carrying properties to high rotating speed, increase the range of speeds.
The content of the invention:
The purpose of this utility model is to design a kind of fan-shaped lubricating pad of dynamic and static back arc of circle chamber, solves hydrostatic support and fan
The small shortcoming of shape lubricating pad carrying scope.
The utility model solves the technical scheme that its technical problem used：A kind of dynamic and static back arc of circle chamber is fan-shaped
Lubricating pad includes lubricating pad main body, and lubricating pad main body is sector, and the oil pocket of lubricating pad is a circular shape in terms of vertical direction, and vertical view is a circle
Morpheme is machined with a fuel feed hole in lubricating pad geometric center on oil pocket, and lubricating pad sector main body both sides process an oil return respectively
Groove.
The utility model is compared with existing fan-shaped lubricating pad with advantages below：By the circumferential cloth of 24 the utility model lubricating pads
Put on hydrostatic support bearing, hydrostatic support bearing is arranged on large scale lathe base, is then arranged on platen
Above lubricating pad, lubricating oil is fully sent into fuel feed hole by oil pump, makes to form one layer of hydrodynamic oil film between supporting member and supported part,
Its lathe base and workbench are separated, its fully liquid is lubricated.When lathe startup work, machine tool chief axis rotates at a high speed,
Workbench rotates also with high speed, so that relative motion between platen and fan-shaped lubricating pad, because of lubricating pad vertical direction arc
Cavity configuration forms wedge gap with horizontal oil film on velocity attitude, under certain speed conditions, will according to dynamic pressure oil film theory
Dynamic pressure oil film is produced, and the generation of dynamic pressure oil film will greatly improve the bearing capacity of oil film, the carrying of empirical tests dynamic and static pressure oil film
Ability brings up to 20% to 165%, effectively solves the problem of hydrostatic support bearing capacity is low.
Brief description of the drawings:
Fig. 1 is the three-dimensional front view of the utility model, and Fig. 2 is the utility model 3-D view top view, and Fig. 3 is that this practicality is new
Type vertical direction view.
Embodiment:
Illustrated according to Fig. 1-3, dynamic and static back arc of circle chamber sector lubricating pad includes lubricating pad main body 1, lubricating pad main body is sector,
It is a circular shape 2 that the oil pocket vertical direction of lubricating pad, which is seen, and vertical view is that a circular lubricating pad geometric center that is located at is symmetrical, in oil pocket
On be machined with a fuel feed hole 5, process oil-recovery tank 3 and 4 respectively in the fan-shaped main body both sides of lubricating pad.By 24 the utility model lubricating pads
It is arranged circumferentially on hydrostatic support bearing, hydrostatic thrust bearing is arranged on lathe base, is then arranged on platen
Above lubricating pad, hydraulic oil is continuously sent into fuel feed hole 5 by oil pump, makes support member and one layer is formed between support member
Hydrodynamic oil film, lathe base is separated with workbench, lubricates its fully liquid.When lathe startup work, machine tool chief axis is high
Speed rotation, workbench rotates also with high speed, so that relative motion between platen and fan-shaped lubricating pad, because lubricating pad is vertically cut
Face arc-shaped cavity forms wedge gap in the movement direction with horizontal oil film, under certain speed conditions, theoretical according to dynamic pressure oil film
Dynamic pressure oil film will be produced, the generation of dynamic pressure oil film is by the great bearing capacity for improving oil film, and empirical tests dynamic and static pressure oil film is carried
Ability brings up to 20% to 165%, effectively solves the problem of hydrostatic support bearing capacity is low.
Claims (2)
1. a kind of fan-shaped lubricating pad of dynamic and static back arc of circle chamber, it is characterised in that：The fan-shaped lubricating pad of former fan-shaped chamber is improved to oil film
Main body is sector structure, and depression angle sees that oil pocket is circle, and oil pocket side is arcuate structure, and oil inlet pipe is connected with oil pocket,
There is an oil-recovery tank fan-shaped lubricating pad both sides respectively, and circular cavity is more uniform than fan-shaped chamber pressure distribution, reduces the pressure loss.
2. the fan-shaped lubricating pad of a kind of dynamic and static back arc of circle chamber according to claim 1, it is characterised in that：Horizontal rotation oil
Film is along velocity attitude and arc-shaped cavity formation wedge gap, so that producing dynamic pressure oil film greatly increases lubricating pad bearing capacity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621359596.5U CN206361018U (en) | 2016-12-12 | 2016-12-12 | A kind of fan-shaped lubricating pad of dynamic and static back arc of circle chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621359596.5U CN206361018U (en) | 2016-12-12 | 2016-12-12 | A kind of fan-shaped lubricating pad of dynamic and static back arc of circle chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206361018U true CN206361018U (en) | 2017-07-28 |
Family
ID=59373810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621359596.5U Expired - Fee Related CN206361018U (en) | 2016-12-12 | 2016-12-12 | A kind of fan-shaped lubricating pad of dynamic and static back arc of circle chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206361018U (en) |
-
2016
- 2016-12-12 CN CN201621359596.5U patent/CN206361018U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170728 Termination date: 20171212 |