CN205401429U - Motor high pressure oil film floating bearing - Google Patents
Motor high pressure oil film floating bearing Download PDFInfo
- Publication number
- CN205401429U CN205401429U CN201620254015.5U CN201620254015U CN205401429U CN 205401429 U CN205401429 U CN 205401429U CN 201620254015 U CN201620254015 U CN 201620254015U CN 205401429 U CN205401429 U CN 205401429U
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- China
- Prior art keywords
- oil
- lower oil
- latter half
- groove
- nozzle opening
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Abstract
The utility model relates to a motor high pressure oil film floating bearing, be main part cylindric and inside fretwork including the cover on the main shaft, the main part includes the first half and the latter half be equipped with in the first half and connect the oilhole of offering up a sacrifice of going up high -pressure oil feeding system be equipped with in the latter half and connect high -pressure oil feeding system's lower fuel feeding hole down the inside of the first half is equipped with the oil circuit the inside of the latter half is equipped with down the oil circuit still be equipped with the nozzle opening on the inner wall of the first half still be equipped with down the nozzle opening on the inner wall of the latter half. The beneficial effects of the utility model are that: 1, the resistance of main shaft reduces, does benefit to the start -up, 2, the extend bearing life -span, 3, adopt high -pressure fuel feeding, the lubricating oil that the nozzle opening sprayed has certain lifting force and restraining force to the main shaft, and the vibration that moves the main shaft has certain inhibitory action, 4, because the inside fuel feeding oil circuit that all is covered with of whole bearing lateral wall, it has fine effect to dispel the heat to the cooling of bearing.
Description
Technical field
This utility model relates to mechanical field, is specifically related to a kind of motor high pressure oil film floating bearing.
Background technology
The lubricating system of original motor bearings is: soak bottom bearing about 1/3rd in oil, when above-mentioned lubricating system is owing to starting, main shaft and bearing contact surfaces be not owing to having enough play, and comparison of resistance is big, and coefficient of friction is big, causing bearing easy to wear, additionally the radiating effect of bearing is also bad.
Utility model content
In sum, in order to overcome the deficiencies in the prior art, technical problem to be solved in the utility model is to provide a kind of motor high pressure oil film floating bearing.
The technical scheme that this utility model solves above-mentioned technical problem is as follows: a kind of motor high pressure oil film floating bearing, including the main body being enclosed within main shaft cylindrical and internal hollow out, described main body includes the first half and the latter half, the upper oil supplying hole being provided with in connection high-pressure fuel supply system in described the first half, the lower oil supplying hole being provided with under connection high-pressure fuel supply system on described the latter half, it is provided with oil circuit in the inside of described the first half, it is provided with lower oil circuit in the inside of described the latter half, nozzle opening on being additionally provided with on the inwall of described the first half, the inwall of described the latter half is additionally provided with lower nozzle opening, described upper oil supplying hole is connected with described upper nozzle opening by described upper oil circuit, described lower oil supplying hole is connected with described lower nozzle opening by described lower oil circuit.
The beneficial effects of the utility model are:
1, the drag reduction of main shaft, is beneficial to startup；
2, the frictional force between main shaft and bearing reduces, and extends bearing life；
3, adopting high-pressure oil feed, main shaft is had certain lifting force and restraining forces by the lubricating oil that nozzle opening ejects, and the vibration that main shaft is run has certain inhibitory action；
4, owing to whole bearing interior is all covered with oil feeding line, the cooling heat radiation of bearing there is good effect.
On the basis of technique scheme, this utility model can also do improvement further below:
Further, described upper oil circuit includes multiple upper oil duct, described upper oil duct is axially arranged and level runs through described the first half, multiple described upper oil ducts are annular and equally spaced to be distributed in described the first half, wherein the described upper oil duct of the superiors connects with described upper oil supplying hole, and described upper oil duct level runs through the sidewall of described the first half, on the two ends of described the first half are corresponding described, the position of oil duct port is provided with upper groove, the upper oil guide plate that upper groove can be sealed up it is provided with in described upper groove, the side of oil duct port is provided with oil guide groove on the arc matched with upper oil duct port at described upper oil guide plate on described, it is used for carrying transmission lubricating oil by the connection of described upper oil guide groove between different described upper oil ducts, last from the ejection of each self-corresponding described upper nozzle opening.
Adopt the level that has the beneficial effect that of above-mentioned further scheme to get through hole at the sidewall of the first half and can form oil circuit, reduce difficulty of processing.
Further, described lower oil circuit includes multiple lower oil duct, described lower oil duct is axially arranged and level runs through described the latter half, multiple described lower oil ducts are annular and equally spaced to be distributed in described the latter half, wherein undermost described lower oil duct connects with described lower oil supplying hole, the position of the corresponding described lower oil duct port in two ends in described the latter half is provided with low groove, the lower oil guide plate that low groove can be sealed up it is provided with in described low groove, on the side of described lower oil duct port, oil guide groove under the arc matched with lower oil duct port it is provided with at described lower oil guide plate, different described lower oil ducts is used for carrying transmission lubricating oil by the connection of described lower oil guide groove, last from the ejection of each self-corresponding described lower nozzle opening.
Adopt the level that has the beneficial effect that of the above-mentioned further scheme sidewall in the latter half to get oil circuit under through hole can be formed, reduce difficulty of processing equally.
Further, described upper oil guide plate is provided with the upper bolt hole for being fixed to by upper oil guide plate in described upper groove, and described upper bolt hole annular spread is on described inside and outside oil guide groove.
What adopt above-mentioned further scheme has the beneficial effect that the enhancing upper oil guide plate sealing intensity to upper groove, it is prevented that spray outside lubricating oil.
Further, described lower oil guide plate is provided with the lower bolt hole for being fixed in described low groove by lower oil guide plate, and described lower bolt hole annular spread is inside and outside described lower oil guide groove.
What adopt above-mentioned further scheme has the beneficial effect that the lower oil guide plate sealing intensity to low groove of enhancing, is prevented from outside lubricating oil and sprays.
Accompanying drawing explanation
Fig. 1 is three dimensional structure schematic diagram of the present utility model；
Fig. 2 is front view of the present utility model；
Fig. 3 is the A-A sectional view of Fig. 1；
Fig. 4 is the B-B sectional view of Fig. 4；
Fig. 5 is side view of the present utility model；
Fig. 6 is the C-C sectional view of Fig. 4；
Fig. 7 is the schematic diagram of upper oil guide plate；
Fig. 8 is the schematic diagram of lower oil guide plate.
In accompanying drawing, the list of parts representated by each label is as follows:
1, the first half, 2, the latter half, 3, upper oil supplying hole, 4, lower oil supplying hole, 5, upper nozzle opening, 6, lower nozzle opening, 7, upper oil duct, 8, lower oil duct, 9, upper oil guide plate, 10, upper oil guide groove, 11, lower oil guide plate, 12, lower oil guide groove, 13, upper bolt hole, 14, lower bolt hole.
Detailed description of the invention
Below in conjunction with accompanying drawing, principle of the present utility model and feature being described, example is served only for explaining this utility model, is not intended to limit scope of the present utility model.
As shown in Figure 1, a kind of motor high pressure oil film floating bearing, including the main body being enclosed within main shaft cylindrical and internal hollow out, described main body includes the first half 1 and the latter half 2, the upper oil supplying hole 3 being provided with in connection high-pressure fuel supply system in described the first half 1, the lower oil supplying hole 4 being provided with under connection high-pressure fuel supply system on described the latter half 2, it is provided with oil circuit in the inside of described the first half 1, it is provided with lower oil circuit in the inside of described the latter half 2, the inwall of described the first half 1 is additionally provided with nozzle opening 5, the inwall of described the latter half 2 is additionally provided with lower nozzle opening 6, described upper oil supplying hole 3 is connected with described upper nozzle opening 5 by described upper oil circuit, described lower oil supplying hole 4 is connected with described lower nozzle opening 6 by described lower oil circuit.When main shaft is when resting state, due to main shaft self gravity its can be close to the inwall of the latter half 2, the play of bearing and main shaft is zero, now start bearing lower end oil supply system fuel feeding, high-pressure fuel supply system is utilized to be sprayed from lower nozzle opening 6 by lubricating oil, the contact surface of main shaft and bearing can produce certain lifting force and be suspended by main shaft, starts bearing upper end oil supply system and spindle operation simultaneously.Injecting lubricating oil by upper oil supplying hole 3 and lower oil supplying hole 4, lubricating oil is filled between main shaft and bearing and the inwall of main body through upper oil circuit or lower oil circuit so that the drag reduction of main shaft, is more prone to start；Additionally the frictional force between main shaft and bearing reduces, it is possible to extend bearing life；Secondly adopting upper oil supplying hole 3 and lower oil supplying hole 4 all to adopt the lubricating oil that high-pressure oil feed, upper nozzle opening 5 and lower nozzle opening 6 eject that main shaft has certain lifting force and restraining forces, the vibration that main shaft is run has certain inhibitory action；Finally all it is covered with oil circuit or lower oil circuit due to the interior of whole bearing and the first half 1 and the latter half 2, the cooling heat radiation of bearing is had good effect.
As shown in figures 2-6, described upper oil circuit includes multiple upper oil duct 7, described upper oil duct 7 is axially arranged and level runs through described the first half 1, multiple described upper oil ducts 7 are annular and equally spaced to be distributed in described the first half 1, wherein the described upper oil duct 7 of the superiors connects with described upper oil supplying hole 3, on the two ends of described the first half 1 are corresponding described, the position of oil duct 7 port is provided with upper groove, the upper oil guide plate 9 that upper groove can be sealed up it is provided with in described upper groove, the side of oil duct 7 port is provided with oil guide groove 10 on the arc matched with upper oil duct 7 port at described upper oil guide plate 9 on described, transmission lubricating oil is carried by described upper oil guide groove 10 between different described upper oil ducts 7, finally spray from each self-corresponding described upper nozzle opening 5.
Described lower oil circuit includes multiple lower oil duct 8, described lower oil duct 8 is axially arranged and level runs through described the latter half 2, multiple described lower oil ducts 8 are annular and equally spaced to be distributed in described the latter half 2, wherein undermost described lower oil duct 8 connects with described lower oil supplying hole 4, the position of corresponding described lower oil duct 8 port in two ends in described the latter half 2 is provided with low groove, the lower oil guide plate 11 that low groove can be sealed up it is provided with in described low groove, on the side of described lower oil duct 8 port, oil guide groove 12 under the arc matched with lower oil duct 8 port it is provided with at described lower oil guide plate 11, different described lower oil ducts 8 carries transmission lubricating oil by described lower oil guide groove 12, finally spray from each self-corresponding described lower nozzle opening 6.
Upper oil circuit and lower oil circuit adopt the combination of above-mentioned upper oil duct 7, lower oil duct 8 and upper oil guide plate 9, lower oil guide plate 11, it is possible to be substantially reduced oil circuit and the difficulty of processing of lower oil circuit, and namely level is got through hole at the sidewall of main body and can be formed oil circuit.Move towards to be illustrated for the lubricating oil in the first half 1 below: lubricating oil is injected in the upper oil duct 7 of the superiors by upper oil supplying hole 3, then the lubricating oil in the upper oil duct 7 of the superiors flows in the upper oil guide groove 10 upper oil guide plate 9 from two ends, lasting injection along with lubricating oil, distribution of lubrication oil in oil guide groove 10, in other upper oil duct 7, is finally ejected between main shaft and bearing inner wall from each self-corresponding upper nozzle opening 5 and fills.In like manner can obtain the lubricating oil trend in the latter half 2.
As it is shown in fig. 7, be provided with the upper bolt hole 13 for being fixed to by upper oil guide plate 1 in described upper groove on described upper oil guide plate 1, and described upper bolt hole 13 annular spread is on described inside and outside oil guide groove 10.As shown in Figure 8, described lower oil guide plate 11 is provided with the lower bolt hole 14 for being fixed in described low groove by lower oil guide plate 11, and described lower bolt hole 14 annular spread is inside and outside described lower oil guide groove 12.Adopt above-mentioned design, strengthen the upper and lower oil guide plate sealing intensity to lower notches, it is prevented that spray outside lubricating oil.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all within spirit of the present utility model and principle, any amendment of making, equivalent replacement, improvement etc., should be included within protection domain of the present utility model.
Claims (5)
- null1. a motor high pressure oil film floating bearing，It is characterized in that，Including the main body being enclosed within main shaft cylindrical and internal hollow out，Described main body includes the first half (1) and the latter half (2)，Described the first half (1) is provided with the upper oil supplying hole (3) connecting upper high-pressure fuel supply system，Described the latter half (2) are provided with the lower oil supplying hole (4) of high-pressure fuel supply system under connecting，It is provided with upper oil circuit in the inside of described the first half (1)，It is provided with lower oil circuit in the inside of described the latter half (2)，The inwall of described the first half (1) is additionally provided with upper nozzle opening (5)，The inwall of described the latter half (2) is additionally provided with lower nozzle opening (6)，Described upper oil supplying hole (3) is connected with described upper nozzle opening (5) by described upper oil circuit，Described lower oil supplying hole (4) is connected with described lower nozzle opening (6) by described lower oil circuit.
- null2. high pressure oil film floating bearing according to claim 1，It is characterized in that，Described upper oil circuit includes multiple upper oil duct (7)，Described upper oil duct (7) is axially arranged and level runs through described the first half (1)，Multiple described upper oil ducts (7) are annular and equally spaced to be distributed in described the first half (1)，Wherein the described upper oil duct (7) of the superiors connects with described upper oil supplying hole (3)，At the two ends of described the first half (1), the position of corresponding described upper oil duct (7) port is provided with upper groove，The upper oil guide plate (9) that upper groove can be sealed up it is provided with in described upper groove，On the side of described upper oil duct (7) port, it is provided with oil guide groove (10) on the arc matched with upper oil duct (7) port at described upper oil guide plate (9)，It is used for carrying transmission lubricating oil by the connection of described upper oil guide groove (10) between different described upper oil ducts (7)，Last from the ejection of each self-corresponding described upper nozzle opening (5).
- null3. high pressure oil film floating bearing according to claim 1，It is characterized in that，Described lower oil circuit includes multiple lower oil duct (8)，Described lower oil duct (8) is axially arranged and level runs through described the latter half (2)，Multiple described lower oil ducts (8) are annular and equally spaced to be distributed in described the latter half (2)，Wherein undermost described lower oil duct (8) connects with described lower oil supplying hole (4)，And described lower oil duct (8) level runs through the sidewall of described the latter half (2)，The position of corresponding described lower oil duct (8) port in two ends in described the latter half (2) is provided with low groove，The lower oil guide plate (11) that low groove can be sealed up it is provided with in described low groove，On the side of described lower oil duct (8) port, it is provided with oil guide groove (12) under the arc matched with lower oil duct (8) port described lower oil guide plate (11)，Different described lower oil ducts (8) is used for carrying transmission lubricating oil by the connection of described lower oil guide groove (12)，Last from the ejection of each self-corresponding described lower nozzle opening (6).
- 4. high pressure oil film floating bearing according to claim 2, it is characterized in that, described upper oil guide plate (1) is provided with the upper bolt hole (13) for being fixed to by upper oil guide plate (1) in described upper groove, and described upper bolt hole (13) annular spread is on described inside and outside oil guide groove (10).
- 5. high pressure oil film floating bearing according to claim 3, it is characterized in that, described lower oil guide plate (11) is provided with the lower bolt hole (14) for being fixed to by lower oil guide plate (11) in described low groove, and described lower bolt hole (14) annular spread is inside and outside described lower oil guide groove (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620254015.5U CN205401429U (en) | 2016-03-30 | 2016-03-30 | Motor high pressure oil film floating bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620254015.5U CN205401429U (en) | 2016-03-30 | 2016-03-30 | Motor high pressure oil film floating bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205401429U true CN205401429U (en) | 2016-07-27 |
Family
ID=56419766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620254015.5U Withdrawn - After Issue CN205401429U (en) | 2016-03-30 | 2016-03-30 | Motor high pressure oil film floating bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205401429U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105673691A (en) * | 2016-03-30 | 2016-06-15 | 广西恒达电机科技有限公司 | Motor high-pressure oil film floating bearing |
| CN106438674A (en) * | 2016-10-21 | 2017-02-22 | 哈尔滨理工大学 | Tilting-pad thrust bearing device automatically adjusting oil film thickness |
| CN107120352A (en) * | 2017-04-27 | 2017-09-01 | 上海大学 | A kind of electro spindle dynamic and hydrostatic bearing with the annular oil supply tank of square shape |
| CN110524858A (en) * | 2019-08-30 | 2019-12-03 | 重庆和泰润佳股份有限公司 | Film-blowing process ventilated membrane embosses the molding machine in production line deeply online |
| CN112443640A (en) * | 2020-11-16 | 2021-03-05 | 林琳 | Hydraulic rotation power assisting device |
-
2016
- 2016-03-30 CN CN201620254015.5U patent/CN205401429U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105673691A (en) * | 2016-03-30 | 2016-06-15 | 广西恒达电机科技有限公司 | Motor high-pressure oil film floating bearing |
| CN105673691B (en) * | 2016-03-30 | 2018-09-14 | 广西恒达电机科技有限公司 | A kind of motor high pressure oil film floating bearing |
| CN106438674A (en) * | 2016-10-21 | 2017-02-22 | 哈尔滨理工大学 | Tilting-pad thrust bearing device automatically adjusting oil film thickness |
| CN107120352A (en) * | 2017-04-27 | 2017-09-01 | 上海大学 | A kind of electro spindle dynamic and hydrostatic bearing with the annular oil supply tank of square shape |
| CN110524858A (en) * | 2019-08-30 | 2019-12-03 | 重庆和泰润佳股份有限公司 | Film-blowing process ventilated membrane embosses the molding machine in production line deeply online |
| CN112443640A (en) * | 2020-11-16 | 2021-03-05 | 林琳 | Hydraulic rotation power assisting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160727 Effective date of abandoning: 20180914 |
|
| AV01 | Patent right actively abandoned |