CN206509890U - Grinding head device for dynamic and static pressure shafting - Google Patents
Grinding head device for dynamic and static pressure shafting Download PDFInfo
- Publication number
- CN206509890U CN206509890U CN201720096173.7U CN201720096173U CN206509890U CN 206509890 U CN206509890 U CN 206509890U CN 201720096173 U CN201720096173 U CN 201720096173U CN 206509890 U CN206509890 U CN 206509890U
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- Prior art keywords
- oil
- bearing shell
- dynamic
- static pressure
- head device
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Abstract
A kind of grinding head device for dynamic and static pressure shafting, includes with bearing shell housing（1）And bearing shell（2）Grinding head device body, in bearing shell housing（1）And bearing shell（2）Between be provided with the oil-feed oil circuit that at least two-way is used to form dynamic and static pressure liquid oil film, by the oil-feed oil circuit of two-way in bearing shell（2）The dynamic and static pressure liquid oil film of continuous uniform distribution is formed between rotary shaft, main oil-feed oil circuit is not used in bearing shell（2）Dynamic and static pressure liquid oil film is formed between rotary shaft, therefore improves the rigidity of dynamic and static pressure liquid oil film, bearing shell is improved（2）Rotating property between rotary shaft.
Description
First, technical field
The utility model is related to a kind of grinding head device, especially a kind of grinding head device for dynamic and static pressure shafting.
2nd, background technology
Because dynamic and static pressure shafting has stable transmission performance good, dynamic and static pressure shafting is the important component of lathe, dynamic and hydrostatic
The grinding head device of system is used for and rotary shaft connection, and the grinding head device that thus be accordingly used in dynamic and static pressure shafting is a kind of important lathe portion
Part, in the existing grinding head device for dynamic and static pressure shafting, even oil is not built up because the rigidity of liquid oil film is not enough
Film, ultimately results in main shaft and is blocked and can not rotate by bearing shell, can directly be destroyed bearing bush structure inside bearing shell when serious, whole axle
System directly scraps.
Based on existing technical problem, technical characteristic and technique effect, application technical scheme of the present utility model is made.
3rd, the content of the invention
Object of the present utility model is a kind of grinding head device for dynamic and static pressure shafting.
In order to overcome above-mentioned technical disadvantages, the purpose of this utility model is to provide a kind of bistrique for dynamic and static pressure shafting and filled
Put, therefore improve the rigidity of dynamic and static pressure liquid oil film, improve the rotating property between bearing shell and rotary shaft.
To reach above-mentioned purpose, the utility model is adopted the technical scheme that：Include with bearing shell housing and bearing shell
Grinding head device body, is provided with the oil-feed oil that at least two-way is used to form dynamic and static pressure liquid oil film between bearing shell housing and bearing shell
Road.
Due to devising grinding head device body, form continuous equal between bearing shell and rotary shaft by the oil-feed oil circuit of two-way
The dynamic and static pressure liquid oil film of even distribution, does not use main oil-feed oil circuit and dynamic and static pressure liquid oil is formed between bearing shell and rotary shaft
Film, therefore the rigidity of dynamic and static pressure liquid oil film is improved, improve the rotating property between bearing shell and rotary shaft.
The utility model is devised, the integrated bearing casing cabable in the way of the dynamic and static pressure liquid oil film for forming continuous uniform distribution
The quantity of oil-feed oil circuit between body and bearing shell.
The utility model is devised, and grinding head device body is set to also include sealing strip,
Bearing shell is arranged in bearing shell housing and oil duct is provided between bearing shell and bearing shell housing, and sealing strip is arranged on oil
The outer end oral area in the road and dynamic and static pressure liquid oil film position between bearing shell and bearing shell housing is provided with oil-feed oil circuit, in bearing shell
Oil sealing band position between bearing shell housing is provided with auxiliary oilhole.
The utility model is devised, and oil sump concave part 11 is provided with the inwall of bearing shell housing and on bearing shell housing
Main oil-hole is provided with, the output port of main oil-hole is arranged on oil sump concave part 11 and auxiliary oil is provided with bearing shell housing
Hole, auxiliary oilhole is arranged on the medial surface of main oil-hole and oil duct is provided with bearing shell housing, and oil duct is set to and main oil-hole
It is set to connect with the hydraulic oil liquid of same pressure with auxiliary oilhole insertion and main oil-hole and auxiliary oilhole.
The utility model is devised, and the center line of main oil-hole is set to overlap distribution with the center line of oil sump concave part 11 simultaneously
And the center line of auxiliary oilhole is set to be distributed in the medial surface of the center line of main oil-hole, the outer end oral area of oil duct is set to distribution
On the outer end oral area of bearing shell housing and oil duct inner oral area be arranged to extend to auxiliary oilhole medial surface.
The utility model is devised, and main oil-hole is set to six and six main oil-holes are set to along the periphery of bearing shell housing
It is uniformly distributed, auxiliary oilhole is set to two and aids in folder between the center line of oilhole and the vertical center line of bearing shell housing
Angle is set to 19-22 °.
The utility model is devised, and external annular groove body, intermediate annular groove body are respectively arranged with the side surface part of bearing shell
Through hole is provided with annular groove body and in external annular groove body.
The utility model is devised, and external annular groove body is set to distribution corresponding with the output port of main oil-hole and interior
Annular groove body is set to distribution corresponding with aiding in the output port of oilhole, and intermediate annular groove body is arranged on external annular groove
Between body and annular groove body.
The utility model is devised, and sealing strip is set to couple with bearing shell contact.
The utility model is devised, and main oil-hole, oil duct, external annular groove body and through hole are set to enter according to composition injecting type
The mode of oil circuit is distributed and aids in oilhole and annular groove body is set to be distributed in the way of immersion oil-feed oil circuit.
In the technical program, the grinding head device body for forming the dynamic and static pressure liquid oil film of continuous uniform distribution is important skill
Art feature, in the technical field for the grinding head device of dynamic and static pressure shafting, with novelty, creative and practicality, at this
Term in technical scheme is all that can be explained and be understood with patent document in the art.
4th, illustrate
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the accompanying drawing used required in description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is schematic diagram of the present utility model：Fig. 2 is the structural representation of bearing shell housing 1 of the present utility model.
5th, embodiment
According to guidelines for examination, to such as " having ", "comprising" and " comprising " term should used in the utility model
It is interpreted as the presence or addition for not allotting one or more of the other element or its combination.
, it is necessary to explanation in description of the present utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular
Directly ", the orientation or position relationship of the instruction such as " level ", " interior ", " outer " are the orientation or position relationship of general expression, merely to
It is easy to description the utility model and simplifies description, rather than indicates or imply that the device or element of meaning there must be specifically side
Position, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.In addition, term " first ",
" second ", " the 3rd " are only used for describing purpose, and it is not intended that indicating or implying relative importance.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected to by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in the utility model.
As long as in addition, technical characteristic involved in the utility model different embodiments disclosed below is each other
Not constituting conflict can just be combined with each other.
Below in conjunction with the utility model embodiment, the technical scheme in the utility model embodiment is carried out it is clear,
It is fully described by, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole embodiments.
Based on the embodiment in the utility model, what those of ordinary skill in the art were obtained under the premise of creative work is not made
Every other embodiment, belongs to the scope of the utility model protection.
Fig. 1 is one embodiment of the present utility model, illustrates the present embodiment with reference to accompanying drawing, includes bearing shell housing
1st, bearing shell 2 and sealing strip 3,
Bearing shell 2 is arranged in bearing shell housing 1 and oil duct 13, sealing strip 3 is provided between bearing shell 2 and bearing shell housing 1
Be arranged on the outer end oral area of oil duct 13 and the dynamic and static pressure liquid oil film position between bearing shell 2 and bearing shell housing 1 be provided with into
Oil circuit, the oil sealing band position between bearing shell 2 and bearing shell housing 1 is provided with auxiliary oilhole 14.
In the present embodiment, oil sump concave part 11 is provided with the inwall of bearing shell housing 1 and is set on bearing shell housing 1
Main oil-hole 12 is equipped with, the output port of main oil-hole 12 is arranged on oil sump concave part 11 and is provided with bearing shell housing 1 auxiliary
Oilhole 14 is helped, auxiliary oilhole 14 is arranged on the medial surface of main oil-hole 12 and oil duct 13, oil duct 13 are provided with bearing shell housing 1
It is set to be set to and the hydraulic pressure with pressure with main oil-hole 12 and the auxiliary insertion of oilhole 14 and main oil-hole 12 and auxiliary oilhole 14
Fluid is connected.
In the present embodiment, the center line of main oil-hole 12 be set to overlap with the center line of oil sump concave part 11 distribution and
The center line of auxiliary oilhole 14 is set to be distributed in the medial surface of the center line of main oil-hole 12, and the outer end oral area of oil duct 13 is set to
It is distributed on the outer end oral area of bearing shell housing 1 and the inner oral area of oil duct 13 is arranged to extend to the inner side of auxiliary oilhole 14
Face.
In the present embodiment, main oil-hole 12 is set to six and six main oil-holes 12 are set to week along bearing shell housing 1
While being uniformly distributed, auxiliary oilhole 14 is set to two and aids in the center line of oilhole 14 and the vertical center line of bearing shell housing 1
Between angle be set to 19 °.
In the present embodiment, external annular groove body 22, intermediate annular groove body 21 are respectively arranged with the side surface part of bearing shell 2
Through hole 23 is provided with annular groove body 24 and in external annular groove body 22.
In the present embodiment, external annular groove body 22 is set to distribution corresponding with the output port of main oil-hole 12 and interior
Annular groove body 24 is set to distribution corresponding with aiding in the output port of oilhole 14, and intermediate annular groove body 21 is arranged on outer shroud
Between connected in star body 22 and annular groove body 24.
In the present embodiment, sealing strip 3 is set to couple with the contact of bearing shell 2.
In the present embodiment, main oil-hole 12, oil duct 13, external annular groove body 22 and through hole 23 are set to according to composition injection
The mode of formula oil-feed oil circuit is distributed and aids in oilhole 14 and annular groove body 24 is set to according to immersion oil-feed oil circuit
Mode is distributed.
When hydraulic oil liquid is by main oil-hole 12, oil duct 13, external annular groove body 22 and through hole 23, in the oil of bearing shell housing 1
Dynamic and static pressure liquid oil film is formed on pond concave part 11, while hydraulic oil liquid enters by aiding in oilhole 14 and annular groove body 24
Enter to the dynamic and static pressure liquid oil film between the corresponding bearing shell 2 of the oil sealing band between bearing shell 2 and bearing shell housing 1 and rotary shaft
In.
Second embodiment of the present utility model, aid in oilhole 14 center line and bearing shell housing 1 vertical center line it
Between angle be set to 22 °.
3rd embodiment of the present utility model, aid in oilhole 14 center line and bearing shell housing 1 vertical center line it
Between angle be set to 19-22 °.
4th embodiment of the present utility model, aid in oilhole 14 center line and bearing shell housing 1 vertical center line it
Between angle be set to 20 °.
Through overtesting, the universal performance of the 4th embodiment of the present utility model preferably, turns when to different-diameter size
Moving axis, it can realize liquid oil film.
The utility model has lower feature：
1st, due to devising grinding head device body, by the oil-feed oil circuit of two-way between bearing shell 2 and rotary shaft the company of being formed
Continue equally distributed dynamic and static pressure liquid oil film, do not use main oil-feed oil circuit and sound hydraulic fluid is formed between bearing shell 2 and rotary shaft
Body oil film, therefore the rigidity of dynamic and static pressure liquid oil film is improved, improve the rotating property between bearing shell 2 and rotary shaft.
2nd, due to devising bearing shell housing 1 and bearing shell 2, main oil-hole 12, oil duct 13, external annular groove body 22 and through hole are passed through
23 injection hydraulic oil liquid is good in the dynamic and static pressure liquid oil film effect of the formation of oil sump concave part 11.
3rd, due to devising bearing shell housing 1 and bearing shell 2, by the immersion hydraulic pressure for aiding in oilhole 14 and annular groove body 24
Fluid, the dynamic and static pressure liquid oil film effect to the formation of oil sealing band is good.
4th, the restriction of number range has been carried out to planform due to devising, it is skill of the present utility model to make number range
Technical characteristic in art scheme, is not to be calculated by formula or test the technical characteristic drawn by limited number of time, experiment shows this
The technical characteristic of number range achieves good technique effect.
5th, due to devising technical characteristic of the present utility model, the work of set in the independent of technical characteristic and each other
With, by experiment show, property indices of the present utility model for existing property indices be at least 1.7 times, lead to
Crossing assessment has good market value.
Also other grinding head device bodies with forming the dynamic and static pressure liquid oil film of continuous uniform distribution are same or like
As technical characteristic be all one of embodiment of the present utility model, and each technical characteristic of embodiment described above can be carried out
Arbitrary combination, to meet Patent Law, patent regulation and the requirement of guidelines for examination, no longer to each in above-described embodiment
The embodiment of all possible combination of technical characteristic is all described.
Therefore it is every to include with bearing shell housing 1 and axle in the grinding head device technical field for dynamic and static pressure shafting
Watts 2 grinding head device body, at least two-way is provided between bearing shell housing 1 and bearing shell 2 to be used to form dynamic and static pressure liquid oil film
Oil-feed oil circuit technology contents all in protection domain of the present utility model.
Claims (10)
1. a kind of grinding head device for dynamic and static pressure shafting, it is characterized in that：Include with bearing shell housing（1）And bearing shell（2）'s
Grinding head device body, in bearing shell housing（1）And bearing shell（2）Between be provided with least two-way be used for form dynamic and static pressure liquid oil film
Oil-feed oil circuit.
2. the grinding head device according to claim 1 for dynamic and static pressure shafting, it is characterized in that：Divide according to continuous uniform is formed
The integrated bearing shell housing of mode of the dynamic and static pressure liquid oil film of cloth（1）And bearing shell（2）Between oil-feed oil circuit quantity.
3. the grinding head device according to claim 1 for dynamic and static pressure shafting, it is characterized in that：Grinding head device body is set to
Also include sealing strip（3）,
Bearing shell（2）It is arranged on bearing shell housing（1）In and in bearing shell（2）With bearing shell housing（1）Between be provided with oil duct（13）, it is close
Strip of paper used for sealing（3）It is arranged on oil duct（13）Outer end oral area and in bearing shell（2）With bearing shell housing（1）Between dynamic and static pressure liquid oil film
Position is provided with oil-feed oil circuit, in bearing shell（2）With bearing shell housing（1）Between oil sealing band position be provided with auxiliary oilhole（14）.
4. the grinding head device according to claim 3 for dynamic and static pressure shafting, it is characterized in that：In bearing shell housing（1）It is interior
Oil sump concave part 11 is provided with wall and in bearing shell housing（1）On be provided with main oil-hole（12）, main oil-hole（12）Output end
Mouth is arranged on oil sump concave part 11 and in bearing shell housing（1）On be provided with auxiliary oilhole（14）, aid in oilhole（14）Set
In main oil-hole（12）Medial surface and in bearing shell housing（1）In be provided with oil duct（13）, oil duct（13）It is set to and main oil-hole
（12）With auxiliary oilhole（14）Insertion and main oil-hole（12）With auxiliary oilhole（14）It is set to connect with the hydraulic oil liquid with pressure
It is logical.
5. the grinding head device according to claim 4 for dynamic and static pressure shafting, it is characterized in that：Main oil-hole（12）Center line
It is set to overlap with the center line of oil sump concave part 11 and is distributed and aids in oilhole（14）Center line be set to be distributed in main oil
Hole（12）Center line medial surface, oil duct（13）Outer end oral area be set to be distributed in bearing shell housing（1）Outer end oral area on
And oil duct（13）Inner oral area be arranged to extend to auxiliary oilhole（14）Medial surface.
6. the grinding head device according to claim 4 for dynamic and static pressure shafting, it is characterized in that：Main oil-hole（12）It is set to six
Individual and six main oil-holes（12）It is set to along bearing shell housing（1）Periphery be uniformly distributed, aid in oilhole（14）It is set to two
And aid in oilhole（14）Center line and bearing shell housing（1）Vertical center line between angle be set to 19-22 °.
7. the grinding head device according to claim 3 for dynamic and static pressure shafting, it is characterized in that：In bearing shell（2）Side surface part
It is respectively arranged with external annular groove body（22）, intermediate annular groove body（21）With annular groove body（24）And it is annular outside recessed
Cell body（22）In be provided with through hole（23）.
8. the grinding head device according to claim 4 for dynamic and static pressure shafting, it is characterized in that：External annular groove body（22）If
It is set to and main oil-hole（12）Output port it is corresponding distribution and annular groove body（24）It is set to and auxiliary oilhole（14）
The corresponding distribution of output port, intermediate annular groove body（21）It is arranged on external annular groove body（22）With annular groove body
（24）Between.
9. the grinding head device according to claim 3 for dynamic and static pressure shafting, it is characterized in that：Sealing strip（3）Be set to
Bearing shell（2）Contact couples.
10. the grinding head device according to claim 8 for dynamic and static pressure shafting, it is characterized in that：Main oil-hole（12）, oil duct
（13）, external annular groove body（22）And through hole（23）It is set to be distributed and aid in the way of injecting type oil-feed oil circuit is constituted
Oilhole（14）With annular groove body（24）It is set to be distributed in the way of immersion oil-feed oil circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720096173.7U CN206509890U (en) | 2017-01-25 | 2017-01-25 | Grinding head device for dynamic and static pressure shafting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720096173.7U CN206509890U (en) | 2017-01-25 | 2017-01-25 | Grinding head device for dynamic and static pressure shafting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206509890U true CN206509890U (en) | 2017-09-22 |
Family
ID=59866621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720096173.7U Withdrawn - After Issue CN206509890U (en) | 2017-01-25 | 2017-01-25 | Grinding head device for dynamic and static pressure shafting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206509890U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106826545A (en) * | 2017-01-25 | 2017-06-13 | 宋志勇 | For the grinding head device of dynamic and static pressure shafting |
| CN108547824A (en) * | 2018-06-22 | 2018-09-18 | 中国船舶重工集团公司第七0四研究所 | The suspension oil cylinder of more static pressure cavity configurations |
-
2017
- 2017-01-25 CN CN201720096173.7U patent/CN206509890U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106826545A (en) * | 2017-01-25 | 2017-06-13 | 宋志勇 | For the grinding head device of dynamic and static pressure shafting |
| CN108547824A (en) * | 2018-06-22 | 2018-09-18 | 中国船舶重工集团公司第七0四研究所 | The suspension oil cylinder of more static pressure cavity configurations |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170922 Effective date of abandoning: 20190430 |
|
| AV01 | Patent right actively abandoned |