CN105697544A - Static spherical thrust bearing with self-feedback throttling function - Google Patents
Static spherical thrust bearing with self-feedback throttling function Download PDFInfo
- Publication number
- CN105697544A CN105697544A CN201610244679.8A CN201610244679A CN105697544A CN 105697544 A CN105697544 A CN 105697544A CN 201610244679 A CN201610244679 A CN 201610244679A CN 105697544 A CN105697544 A CN 105697544A
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- China
- Prior art keywords
- oil
- ring
- type
- feed back
- ball bearing
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C32/00—Bearings not otherwise provided for
- F16C32/06—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings
- F16C32/0629—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings supported by a liquid cushion, e.g. oil cushion
- F16C32/064—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings supported by a liquid cushion, e.g. oil cushion the liquid being supplied under pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C32/00—Bearings not otherwise provided for
- F16C32/06—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings
- F16C32/0629—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings supported by a liquid cushion, e.g. oil cushion
- F16C32/064—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings supported by a liquid cushion, e.g. oil cushion the liquid being supplied under pressure
- F16C32/0651—Details of the bearing area per se
- F16C32/0655—Details of the bearing area per se of supply openings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C32/00—Bearings not otherwise provided for
- F16C32/06—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings
- F16C32/0629—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings supported by a liquid cushion, e.g. oil cushion
- F16C32/064—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings supported by a liquid cushion, e.g. oil cushion the liquid being supplied under pressure
- F16C32/0651—Details of the bearing area per se
- F16C32/0659—Details of the bearing area per se of pockets or grooves
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
- Magnetic Bearings And Hydrostatic Bearings (AREA)
Abstract
The invention discloses a static spherical thrust bearing with a self-feedback throttling function. The static spherical thrust bearing comprises a rotor, an upper bearing block, a lower bearing block and a spherical bearing, wherein a plurality of oil grooves, oil inlets and oil lines are formed in the spherical bearing. A self-feedback throttling way is adopted, and a throttler is not needed to be additionally provided, so that various problems brought by a small-hole throttler in the prior art are solved. The static spherical thrust bearing has the advantages of simple structure, low manufacturing cost, high bearing capacity and the like.
Description
Technical field
The present invention relates to a kind of static pressure spheric thrust bearing adopting self feed back to throttle, belong to thrust bearing field。
Background technology
The throttle style that the widely used orifice restriction of traditional static pressure spheric thrust bearing, capillary-compensated and aperture and self feed back combine。Static pressure spheric thrust bearing to orifice restriction, owing to orifice restriction device internal diameter is typically smaller than 0.3 millimeter, therefore manufacture difficulty is big, manufacturing cost is high, and owing to internal diameter is less, it is easy to block。For the static pressure spheric thrust bearing of capillary restrictor, owing to capillary restrictor is generally longer, adnexa is complicated greatly, causes that manufacturing cost is high。
Summary of the invention
Goal of the invention: for above-mentioned prior art, it is proposed to a kind of static pressure spheric thrust bearing with self feed back throttling, eliminates reducer structure。
Technical scheme: a kind of static pressure spheric thrust bearing with self feed back throttling, including rotor, top chock, step, ball bearing, described ball bearing is positioned at top chock and step connects the cavity formed, and described rotor connects ball bearing；
Surface along described ball bearing, the first half set gradually from the top down in oil-feed tank in ring-type, ring-type oil-recovery tank in self feed back oil groove, ring-type, on static pressure chamber, set gradually under ring-type under oil-feed tank, ring-type oil-recovery tank, lower static pressure chamber under self feed back oil groove, ring-type in the latter half from bottom to top, the horizontal circle side face of ball bearing is provided with annular bearings oil-recovery tank；It is provided with the section roller bearing oil-recovery tank connected with cavity at described top chock with the junction of step, the joint face of top chock and step is provided with several oilholes connecting described section roller bearing oil-recovery tank；
Be provided with from top to down at the center of described rotor and be communicated to the total fuel feed hole within ball bearing, be provided with inside described ball bearing fuel feed hole, on self feed back path, on way to cycle oil, lower fuel feed hole, lower self feed back path, lower way to cycle oil；Wherein, the position, centre of sphere place that in described ring-type, oil-feed tank is positioned at ball bearing by upper fuel feed hole with total fuel feed hole is connected, the position, centre of sphere place that under ring-type, oil-feed tank is positioned at ball bearing by lower fuel feed hole with total fuel feed hole is connected, in ring-type, self feed back oil groove is connected with lower static pressure chamber by upper self feed back path, under ring-type, self feed back oil groove is connected with upper static pressure chamber by lower self feed back path, in ring-type, oil-recovery tank is connected with annular bearings oil-recovery tank by upper way to cycle oil, and under ring-type, oil-recovery tank is connected with annular bearings oil-recovery tank by lower way to cycle oil。
Further, in described ring-type in oil-feed tank, ring-type in self feed back oil groove, ring-type oil-recovery tank, upper static pressure chamber symmetrical about the horizontal central plane of ball bearing with oil-recovery tank under self feed back oil groove, ring-type under oil-feed tank, ring-type under ring-type, lower static pressure chamber respectively。
Beneficial effect: a kind of static pressure spheric thrust bearing with self feed back throttling provided by the invention, adopt the throttle style of self feed back, without additionally increasing reducer, solve the various problems brought because of orifice restriction device in prior art, therefore there is the advantages such as simple in construction, low cost of manufacture, bearing capacity be big。
Accompanying drawing explanation
Fig. 1 is a kind of static pressure spheric thrust bearing structural representation with self feed back throttling；
The ball bearing structural representation of Fig. 2 spheric thrust bearing of the present invention。
Detailed description of the invention
Below in conjunction with accompanying drawing the present invention done and further explain。
As it is shown in figure 1, a kind of static pressure spheric thrust bearing with self feed back throttling, including rotor 1, top chock 3, step 7, ball bearing 13。Top chock 3 and step 7 are closely joined together, and ball bearing 13 is positioned at top chock 3 and step 7 connects the cavity formed。Rotor 1 connects ball bearing 13 and is fixedly connected。
As shown in Figure 2, surface along ball bearing 13, the first half set gradually from the top down in ring-type in oil-feed tank 15, ring-type oil-recovery tank 17 in self feed back oil groove 16, ring-type, on static pressure chamber 18, set gradually under ring-type under oil-feed tank 19, ring-type oil-recovery tank 21, lower static pressure chamber 22 under self feed back oil groove 20, ring-type in the latter half from bottom to top, the horizontal circle side face of ball bearing 13 is provided with annular bearings oil-recovery tank 6。It is provided with the section roller bearing oil-recovery tank 12 connected with cavity in the junction of top chock 3 with step 7, the joint face of top chock 3 and step 7 is provided with several oilholes 11 connecting section roller bearing oil-recovery tank 12。Wherein, upper annular oil-feed tank 15, in self feed back oil groove 16, ring-type, oil-recovery tank 17, upper static pressure chamber 18 are symmetrical about the horizontal central plane of ball bearing 13 with oil-recovery tank 21, lower static pressure chamber 22 under self feed back oil groove 20, ring-type under oil-feed tank under ring-type 19, ring-type respectively in ring-type。
It is provided with from top to down at the center of rotor 1 and is communicated to the total fuel feed hole 14 within ball bearing 13, for oily to input pressure in bearing by outside oil-servicing facilities。Be provided with inside ball bearing 13 fuel feed hole 2, on self feed back path 4, on way to cycle oil 5, lower fuel feed hole 8, lower self feed back path 9, lower way to cycle oil 10。Wherein, the position, centre of sphere place that in ring-type, oil-feed tank 15 is positioned at ball bearing 13 by upper fuel feed hole 2 with total fuel feed hole 14 is connected, the position, centre of sphere place that under ring-type, oil-feed tank 19 is positioned at ball bearing 13 by lower fuel feed hole 8 with total fuel feed hole 14 is connected, and in ring-type, under oil-feed tank 15 and ring-type, the effect of oil-feed tank 19 is uniformly to be delivered in the gap between bearing and base by oily for external pressure。In ring-type, self feed back oil groove 16 is connected with lower static pressure chamber 22 by upper self feed back path 4, under ring-type, self feed back oil groove 20 is connected with upper static pressure chamber 18 by lower self feed back path 9, in ring-type, oil-recovery tank 17 is connected with annular bearings oil-recovery tank 6 by upper way to cycle oil 5, and under ring-type, oil-recovery tank 21 is connected with annular bearings oil-recovery tank 6 by lower way to cycle oil 10。
During work, assume that ball bearing 13 bears downward external applied load, then under the effect of external force, ball bearing 13 will move downward, thus causing in ring-type on oil-feed tank 15 and ring-type that the bearing clearance between self feed back oil groove 16 increases, and under ring-type, under oil-feed tank 19 and ring-type, bearing clearance between self feed back oil groove 20 reduces。In ring-type, in oil-feed tank 15 and ring-type, bearing clearance between self feed back oil groove 16 increases, being flowed out into, by oil-feed tank in ring-type 15, the resistance reduction that in ring-type, the pressure oil of self feed back oil groove 16 bears by making, increasing thus causing entering the pressure oil pressure in self feed back oil groove 16 and lower static pressure chamber 22 in ring-type。Under ring-type, under oil-feed tank 19 and ring-type, bearing clearance between self feed back oil groove 20 reduces, being flowed out into, by oil-feed tank under ring-type 19, the resistance increase that under ring-type, the pressure oil of self feed back oil groove 20 bears by making, reducing thus causing entering the pressure oil pressure in self feed back oil groove 19 and upper static pressure chamber 18 under ring-type。The pressure in the upper static pressure chamber 18 of ball bearing 13 reduces and the pressure in lower static pressure chamber 22 increases, and by making ball bearing 13 provide bearing capacity upwards, is used for resisting external applied load。
The above is only the preferred embodiment of the present invention; it should be pointed out that, for those skilled in the art, under the premise without departing from the principles of the invention; can also making some improvements and modifications, these improvements and modifications also should be regarded as protection scope of the present invention。
Claims (2)
1. the static pressure spheric thrust bearing with self feed back throttling, including rotor (1), top chock (3), step (7), ball bearing (13), described ball bearing (13) is positioned at top chock (3) and step (7) connects the cavity formed, and described rotor (1) connects ball bearing (13)；It is characterized in that:
Surface along described ball bearing (13), oil-recovery tank (17), upper static pressure chamber (18) in self feed back oil groove (16), ring-type is set gradually in oil-feed tank in ring-type (15), ring-type from the top down in the first half, set gradually under ring-type under oil-feed tank (19), ring-type oil-recovery tank (21), lower static pressure chamber (22) under self feed back oil groove (20), ring-type in the latter half from bottom to top, the horizontal circle side face of ball bearing (13) is provided with annular bearings oil-recovery tank (6)；It is provided with section roller bearing oil-recovery tank (12) connected with cavity in the junction of described top chock (3) with step (7), the joint face of top chock (3) and step (7) is provided with several oilholes (11) connecting described section roller bearing oil-recovery tank (12)；
It is provided with from top to down and is communicated to total fuel feed hole (14) that ball bearing (13) is internal at the center of described rotor (1), be provided with upper fuel feed hole (2), upper self feed back path (4), upper way to cycle oil (5), lower fuel feed hole (8), lower self feed back path (9), lower way to cycle oil (10) in described ball bearing (13) inside；Wherein, the position, centre of sphere place that in described ring-type, oil-feed tank (15) is positioned at ball bearing (13) by upper fuel feed hole (2) with total fuel feed hole (14) is connected, the position, centre of sphere place that under ring-type, oil-feed tank (19) is positioned at ball bearing (13) by lower fuel feed hole (8) with total fuel feed hole (14) is connected, in ring-type, self feed back oil groove (16) is connected with lower static pressure chamber (22) by upper self feed back path (4), under ring-type, self feed back oil groove (20) is connected with upper static pressure chamber (18) by lower self feed back path (9), in ring-type, oil-recovery tank (17) is connected with annular bearings oil-recovery tank (6) by upper way to cycle oil (5), under ring-type, oil-recovery tank (21) is connected with annular bearings oil-recovery tank (6) by lower way to cycle oil (10)。
2. the static pressure spheric thrust bearing with self feed back throttling according to claim 1, it is characterised in that: in described ring-type, in oil-feed tank (15), ring-type, in self feed back oil groove (16), ring-type, oil-recovery tank (17), upper static pressure chamber (18) are symmetrical about the horizontal central plane of ball bearing (13) with oil-recovery tank (21), lower static pressure chamber (22) under self feed back oil groove (20), ring-type under oil-feed tank under ring-type (19), ring-type respectively。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610244679.8A CN105697544B (en) | 2016-04-19 | 2016-04-19 | A kind of static pressure spheric thrust bearing with self feed back throttling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610244679.8A CN105697544B (en) | 2016-04-19 | 2016-04-19 | A kind of static pressure spheric thrust bearing with self feed back throttling |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105697544A true CN105697544A (en) | 2016-06-22 |
| CN105697544B CN105697544B (en) | 2018-02-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610244679.8A Active CN105697544B (en) | 2016-04-19 | 2016-04-19 | A kind of static pressure spheric thrust bearing with self feed back throttling |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106764353A (en) * | 2016-12-19 | 2017-05-31 | 安徽天裕汽车零部件制造有限公司 | A kind of static pressure button-head hinge using two-way internal-feedback throttling technology |
| CN106763137A (en) * | 2016-12-20 | 2017-05-31 | 安徽天裕汽车零部件制造有限公司 | A kind of big carrying static pressure ball head articulated mechanism with internal-feedback throttling device |
| CN114151445A (en) * | 2021-12-08 | 2022-03-08 | 江苏领臣精密机械有限公司 | Self-feedback hydrostatic pressure universal shaft head and hydrostatic pressure rotary table |
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| CN200993159Y (en) * | 2006-12-21 | 2007-12-19 | 正泰机械有限公司 | Balltype dynamic-static hydraulic bearing |
| CN101836011A (en) * | 2007-10-23 | 2010-09-15 | 学校法人东京电机大学 | Seismic isolation system and seismic isolation structure |
| CN103486137A (en) * | 2013-09-27 | 2014-01-01 | 昆山凯诺尔金属制品有限公司 | Bearing ball and manufacturing method thereof |
| CN203906567U (en) * | 2014-06-16 | 2014-10-29 | 宁波百沃精工轴承有限公司 | Bearing for swing saw motor |
| CN104295605A (en) * | 2014-09-23 | 2015-01-21 | 哈尔滨工程大学 | Annular belt compound throttling static-pressure air spherical bearing |
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2016
- 2016-04-19 CN CN201610244679.8A patent/CN105697544B/en active Active
Patent Citations (5)
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| CN200993159Y (en) * | 2006-12-21 | 2007-12-19 | 正泰机械有限公司 | Balltype dynamic-static hydraulic bearing |
| CN101836011A (en) * | 2007-10-23 | 2010-09-15 | 学校法人东京电机大学 | Seismic isolation system and seismic isolation structure |
| CN103486137A (en) * | 2013-09-27 | 2014-01-01 | 昆山凯诺尔金属制品有限公司 | Bearing ball and manufacturing method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106764353A (en) * | 2016-12-19 | 2017-05-31 | 安徽天裕汽车零部件制造有限公司 | A kind of static pressure button-head hinge using two-way internal-feedback throttling technology |
| CN106763137A (en) * | 2016-12-20 | 2017-05-31 | 安徽天裕汽车零部件制造有限公司 | A kind of big carrying static pressure ball head articulated mechanism with internal-feedback throttling device |
| CN114151445A (en) * | 2021-12-08 | 2022-03-08 | 江苏领臣精密机械有限公司 | Self-feedback hydrostatic pressure universal shaft head and hydrostatic pressure rotary table |
| CN114151445B (en) * | 2021-12-08 | 2023-11-24 | 江苏领臣精密机械有限公司 | Self-feedback hydrostatic universal shaft head and hydrostatic turntable |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105697544B (en) | 2018-02-23 |
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Address after: 210093 Nanjing University Science Park, 22 Hankou Road, Gulou District, Nanjing City, Jiangsu Province Patentee after: Southeast University Address before: 211189 No. 2 Southeast University Road, Jiangning District, Nanjing, Jiangsu Patentee before: Southeast University |