CN105333011A - Static pressure supporting oil pad with Wang-word-shaped cavity - Google Patents
Static pressure supporting oil pad with Wang-word-shaped cavity Download PDFInfo
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- CN105333011A CN105333011A CN201510871225.9A CN201510871225A CN105333011A CN 105333011 A CN105333011 A CN 105333011A CN 201510871225 A CN201510871225 A CN 201510871225A CN 105333011 A CN105333011 A CN 105333011A
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- oil
- static pressure
- lubricating pad
- king
- wang
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Abstract
The invention discloses a static pressure supporting oil pad with a Wang-word-shaped cavity. In large vertical numerical control machining equipment, the thermal deformation amount of the force of an oil film is high, an oil throwing amount is increased, and a great static pressure loss is generated under a heavy-load high-speed running working condition; the temperature rise of lubricant oil is high, and then power consumption due to a friction resistance is high, so that the transmission efficiency is greatly reduced, and the machining accuracy is reduced. In order to solve the problem, the invention discloses that the oil cavity of the static pressure oil pad is designed to be Wang-word-shaped, the bearing capacity is increased through increasing the area of the oil cavity and the transmission efficiency is increased through reducing the temperature rise of the lubricant oil, and then the deformation of the oil film in machining engineering is effectively improved, so that a static pressure thrust bearing efficiently runs.
Description
Technical field
The present invention relates to a kind of cavity structure of simple and effective hydrostatic support lubricating pad, in particular king's font chamber hydrostatic support lubricating pad.
Background technique
Hydrostatic bearing because its bearing capacity is large, little, the rigidity advantages of higher of stable and reliable operation, surface friction drag to be widely used in the jumbo of China and to become core component, China starts to strengthen the oil pocket shape research to heavy hydrostatic support lubricating pad.Heavy duty runs up under working condition, the power of oil film, and heat distortion amount is large, and getting rid of oil mass increases, and produces very large hydrostatic pressures losses; The temperature rise of lubricant oil is large, and then causes the power consumpiton caused by surface friction drag large, and transmission efficiency is reduced greatly, and machining accuracy declines, and machine breakdown time serious, brings loss to economy.
Summary of the invention
Emphasis of the present invention solves and improves bearing capacity, and the temperature rise reducing lubricant oil reduces hydrostatic pressures losses and improves the problem of transmission efficiency, thus it is simple to propose a kind of structure, and rationally effective king's font oil pocket hydrostatic support lubricating pad addresses this problem with this.
As follows in order to capture this difficult problem the technical solution used in the present invention: king's font chamber its major character of hydrostatic support lubricating pad is quadrant, centre is king's font oil pocket, wherein the area of oil pocket accounts for 60% of whole lubricating pad area, lubricating pad total thickness be 20mm, the degree of depth of oil pocket is 9mm.In oil pocket, there are two filler openings, facilitate hydraulic oil to enter into filler opening.
The present invention has following benefit compared with existing technology: in king's font oil pocket, the temperature rise of lubricant oil is little, and surface friction drag is little, reduces the energy ezpenditure that surface friction drag produces, hydrostatic thrust bearing high efficiency is operated.Compared with I-shaped chamber, effective bearing area strengthens, and improve bearing capacity, the force deformation amount of oil film is little, gets rid of oil mass and reduces, greatly reduce hydrostatic pressures losses.Process fairly simple with fan-shaped chamber structure compared, cost is low, and bearing capacity is more big.For under extreme operating condition, hydrostatic support friction inefficacy provides one comparatively reasonably scheme.Also for the correlation theory of hydrostatic support provides technical support.
Accompanying drawing explanation
Fig. 1 is the 3 dimensional drawing of lubricating pad, and Fig. 2 is 1/12nd erection drawing of single lubricating pad and base, and Fig. 3 is the sketch that 12 lubricating pads arrange along base.
Embodiment
In conjunction with each Figure of description explanation, hydrostatic support king font lubricating pad 1 is lubricating pad agent structure, shape is fan-shaped, and lubricating pad upper end is the oil pocket 1-1 of king's font, has two filler opening 1-2 and 1-3 hydraulic oil to flow into oil pocket 1-1 by filler opening 1-2 and 1-3 in oil pocket.Lubricating pad total thickness is 20mm, and the oil pocket degree of depth is 9mm.
Working principle: during work, 12 identical lubricating pads 1 are arranged on base 2 uniformly, then rotation workbench of machine tool is arranged on king's font lubricating pad, when hydraulic oil is input to oil pocket 1-1 by filler opening 1-2 and 1-3, hydraulic oil forms very large pressure at oil pocket 1-1, finally due to the continuous input of hydraulic oil thus worktable by jack-up, cause defining the thin oil film of one deck between lubricating pad and revolving table, rotation workbench of machine tool and king's font lubricating pad 1 are in Liquid Lubrication Condition completely.Usually when rotation workbench of machine tool is subject to high-speed overload time, supporting oil slick thickness reduces, and heating value increases and worktable and base 2 are out of shape and also become greatly, and hydraulic oil gets rid of oil mass increasing, cause lubricating pad 1 and rotation workbench of machine tool directly to contact formation dry friction time serious, and then occur that friction was lost efficacy.But due to king's font lubricating pad 1 cavity shape structure distribution ratio more symmetrically, under external load function, king's font chamber oil-film force amount of deformation is less in addition.So when lubricating pad 1 is under hydraulic fluid pressure effect, its circumference gets rid of oil mass and can occur significantly to reduce thus the distortion of oil film also can reduce accordingly, considerably reduces hydrostatic pressures losses and ensure that the thickness of oil film is relatively stable.Meanwhile, the temperature rise of lubricant oil is minimized, and the power loss produced is reduced greatly, improve the running efficiency of bearing due to surface friction drag, improves oil film in course of working and generates heat greatly and the phenomenon of bearing capacity deficiency, improve machining accuracy.
Claims (1)
1. king's font chamber hydrostatic support lubricating pad, it is characterized in that: lubricating pad main body (1), lubricating pad main body (1) is quadrant, has king's font oil pocket (1-1) therein, and king's font oil pocket (1-1) end face processes two oil inlet holes (1-2) and (1-3);
King's font chamber its major character of hydrostatic support lubricating pad is quadrant, and centre is king's font oil pocket, and wherein the area of oil pocket accounts for 60% of whole lubricating pad area, lubricating pad total thickness be 20mm, the degree of depth of oil pocket is 9mm, has two filler openings, facilitate hydraulic oil to enter into filler opening in oil pocket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510871225.9A CN105333011A (en) | 2015-12-02 | 2015-12-02 | Static pressure supporting oil pad with Wang-word-shaped cavity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510871225.9A CN105333011A (en) | 2015-12-02 | 2015-12-02 | Static pressure supporting oil pad with Wang-word-shaped cavity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105333011A true CN105333011A (en) | 2016-02-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510871225.9A Pending CN105333011A (en) | 2015-12-02 | 2015-12-02 | Static pressure supporting oil pad with Wang-word-shaped cavity |
Country Status (1)
| Country | Link |
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| CN (1) | CN105333011A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106984979A (en) * | 2017-04-09 | 2017-07-28 | 北京工业大学 | A kind of groined type chamber static pressure panoramic table lubricating pad |
| CN107299939A (en) * | 2017-04-09 | 2017-10-27 | 北京工业大学 | A kind of fan-shaped chamber static pressure panoramic table lubricating pad with rounded corners |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08320016A (en) * | 1995-05-24 | 1996-12-03 | Mitsubishi Heavy Ind Ltd | Tilting pad thrust bearing |
| US5829338A (en) * | 1997-03-03 | 1998-11-03 | Fmc Corporation | Pump having unidirectional tapered land thrust bearing cluster |
| CN202428573U (en) * | 2011-10-28 | 2012-09-12 | 佛山市科达石材机械有限公司 | Saw frame guiding device of gang saw machine and gang saw machine |
| CN103256305A (en) * | 2013-05-30 | 2013-08-21 | 哈尔滨理工大学 | Tilting-type oil pad of hydrostatic thrust bearing |
| CN204592002U (en) * | 2015-03-23 | 2015-08-26 | 哈尔滨理工大学 | The tilting-type lubricating pad of a kind of fan-shaped chamber hydrostatic thrust bearing |
| CN204716760U (en) * | 2015-03-25 | 2015-10-21 | 哈尔滨理工大学 | A kind of tilting-type lubricating pad of round chamber hydrostatic thrust bearing |
-
2015
- 2015-12-02 CN CN201510871225.9A patent/CN105333011A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08320016A (en) * | 1995-05-24 | 1996-12-03 | Mitsubishi Heavy Ind Ltd | Tilting pad thrust bearing |
| US5829338A (en) * | 1997-03-03 | 1998-11-03 | Fmc Corporation | Pump having unidirectional tapered land thrust bearing cluster |
| CN202428573U (en) * | 2011-10-28 | 2012-09-12 | 佛山市科达石材机械有限公司 | Saw frame guiding device of gang saw machine and gang saw machine |
| CN103256305A (en) * | 2013-05-30 | 2013-08-21 | 哈尔滨理工大学 | Tilting-type oil pad of hydrostatic thrust bearing |
| CN204592002U (en) * | 2015-03-23 | 2015-08-26 | 哈尔滨理工大学 | The tilting-type lubricating pad of a kind of fan-shaped chamber hydrostatic thrust bearing |
| CN204716760U (en) * | 2015-03-25 | 2015-10-21 | 哈尔滨理工大学 | A kind of tilting-type lubricating pad of round chamber hydrostatic thrust bearing |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106984979A (en) * | 2017-04-09 | 2017-07-28 | 北京工业大学 | A kind of groined type chamber static pressure panoramic table lubricating pad |
| CN107299939A (en) * | 2017-04-09 | 2017-10-27 | 北京工业大学 | A kind of fan-shaped chamber static pressure panoramic table lubricating pad with rounded corners |
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Application publication date: 20160217 |